Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 1 May 2014 05:25, Bill  wrote:

> Thanks to your help, the configuration is working, (I've still to check out
> the homing/limits and spindle) but I am working hard at trying to get the 2
> wire ULN3003 driver to  perform.

Do you have a strong reason for wanting to build a not-very-good,
unipolar stepper drive with no current control?

A cheap TB6560 board from eBay will work better, and might even end up
cheaper at the rate you seem to be using up ULNs at.
http://www.ebay.com/itm/350922320630 as a random example.


-- 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Todd Zuercher]

Oops spell checker changed "debounce" to "denounce".

- Original Message -
From: "Todd Zuercher" 
To: "Enhanced Machine Controller (EMC)" 
Sent: Monday, April 14, 2014 11:09:19 PM
Subject: Re: [Emc-users] Linuxcnc stepper mill configuration

I agree, the only time I have found denounce really useful with a limit-switch, 
was to compensate for a failing cable with an intermittent short (until I can 
find a round-tuit to replace the cable).

- Original Message -
From: "Marius Liebenberg" 
To: emc-users@lists.sourceforge.net
Sent: Monday, April 14, 2014 1:21:37 AM
Subject: Re: [Emc-users] Linuxcnc stepper mill configuration

Hi Bill
Please dont apologize for asking questions. Were here to help you man. I 
was not offended at all.
You are falling into a trap that many people seem to do when working 
with a new setup. I have a golden rule that says - "One thing at a time"
Change and fix one thing at a time and start with the most obvious 
problem. Always measure the result of your change. And dont move on 
until you have found an answer for that particular problem.
Oh and you know the definition of insanity - doing the same thing over 
and over and expecting a different result every time.

Use the "Show Hal Configuration" function under the machine menu to look 
at the physical condition of the limit inputs to make sure that they are 
in the correct startup condition that you expected. Put a watch on them 
and change the switches on by one to see that they all do as you 
expected. Unless you have a lot of noise on your system, the debounce is 
normally not required.


On 2014-04-13 05:41, Bill Brettle wrote:
> Sorry Marius,
>
> I did read your message and I thought I had tried it together with a
> multitude of other configs, but I must have either missed it put a typo in
> the line somewhere, anyhow, my sincere apologies.
>
> I thought I had it then I found I had some wiring problems (as Gene
> said)(LM7805 and LM7905 are different). Between fixing these and helping
> look after my 5yr old Grandson who is on school vacation, I haven't
> achieved much.
>
> Yesterday I finally got LCNC connected to my mill and immediately received
> messages *"joint 0 limit switch X".*
>
> I googled this and found that the problem was BOUNCE and I needed to run a
> "debounce" commands. I found two methods (see "debounce" file). The first
> was to be included in custom.hal which I did and received an error message
> "parport.0.pin-10-in already exists"
>
> I deleted this and added the second method to BillsMill.hal this time I got
> the LINUXCNC ERROR attached. Now I'm bushed, Where do I go from here?
>
> Incidentally, what to I do with the other items in the Debug file
> information?
>
> Sorry to be such a pest.
>
> Regards Bill
>
>
> On Mon, Apr 7, 2014 at 12:27 AM, Marius Liebenberg
> wrote:
>
>> I thought that was exactly what I explained. Make me think of Eric
>> Clapton - I must be invisible :)
>>
>> On 2014-04-06 16:21, andy pugh wrote:
>>> On 6 April 2014 14:14, Bill Brettle  wrote:
>>>
>>>> I've worked hard at my .ini and Hal but can't get rid of that error.
>>> The problem is still there and still the same cause.
>>>
>>> You have:
>>> setp parport.0.pin-01-out-invert
>>>
>>> You should have:
>>> setp parport.0.pin-01-out-invert 1
>>>
>>> or, if you prefer:
>>> setp parport.0.pin-01-out-invert true
>>>
>>> "setp takes two arguments" means that a setp command needs to know
>>> which pin to set _and_ what value to set it to.
>>>
>> --
>>
>> Regards /Groete
>>
>> Marius D. Liebenberg
>> +27 82 698 3251
>> +27 12 743 6064
>> QQ 1767394877
>>
>>
>>
>> --
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>>
>>
>> --
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>> Continuously Automate Build, Test & Deployment
>> Start a new project now. Try Jenkins in the cloud.
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>>
>>
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Todd Zuercher]

I agree, the only time I have found denounce really useful with a limit-switch, 
was to compensate for a failing cable with an intermittent short (until I can 
find a round-tuit to replace the cable).

- Original Message -
From: "Marius Liebenberg" 
To: emc-users@lists.sourceforge.net
Sent: Monday, April 14, 2014 1:21:37 AM
Subject: Re: [Emc-users] Linuxcnc stepper mill configuration

Hi Bill
Please dont apologize for asking questions. Were here to help you man. I 
was not offended at all.
You are falling into a trap that many people seem to do when working 
with a new setup. I have a golden rule that says - "One thing at a time"
Change and fix one thing at a time and start with the most obvious 
problem. Always measure the result of your change. And dont move on 
until you have found an answer for that particular problem.
Oh and you know the definition of insanity - doing the same thing over 
and over and expecting a different result every time.

Use the "Show Hal Configuration" function under the machine menu to look 
at the physical condition of the limit inputs to make sure that they are 
in the correct startup condition that you expected. Put a watch on them 
and change the switches on by one to see that they all do as you 
expected. Unless you have a lot of noise on your system, the debounce is 
normally not required.


On 2014-04-13 05:41, Bill Brettle wrote:
> Sorry Marius,
>
> I did read your message and I thought I had tried it together with a
> multitude of other configs, but I must have either missed it put a typo in
> the line somewhere, anyhow, my sincere apologies.
>
> I thought I had it then I found I had some wiring problems (as Gene
> said)(LM7805 and LM7905 are different). Between fixing these and helping
> look after my 5yr old Grandson who is on school vacation, I haven't
> achieved much.
>
> Yesterday I finally got LCNC connected to my mill and immediately received
> messages *"joint 0 limit switch X".*
>
> I googled this and found that the problem was BOUNCE and I needed to run a
> "debounce" commands. I found two methods (see "debounce" file). The first
> was to be included in custom.hal which I did and received an error message
> "parport.0.pin-10-in already exists"
>
> I deleted this and added the second method to BillsMill.hal this time I got
> the LINUXCNC ERROR attached. Now I'm bushed, Where do I go from here?
>
> Incidentally, what to I do with the other items in the Debug file
> information?
>
> Sorry to be such a pest.
>
> Regards Bill
>
>
> On Mon, Apr 7, 2014 at 12:27 AM, Marius Liebenberg
> wrote:
>
>> I thought that was exactly what I explained. Make me think of Eric
>> Clapton - I must be invisible :)
>>
>> On 2014-04-06 16:21, andy pugh wrote:
>>> On 6 April 2014 14:14, Bill Brettle  wrote:
>>>
>>>> I've worked hard at my .ini and Hal but can't get rid of that error.
>>> The problem is still there and still the same cause.
>>>
>>> You have:
>>> setp parport.0.pin-01-out-invert
>>>
>>> You should have:
>>> setp parport.0.pin-01-out-invert 1
>>>
>>> or, if you prefer:
>>> setp parport.0.pin-01-out-invert true
>>>
>>> "setp takes two arguments" means that a setp command needs to know
>>> which pin to set _and_ what value to set it to.
>>>
>> --
>>
>> Regards /Groete
>>
>> Marius D. Liebenberg
>> +27 82 698 3251
>> +27 12 743 6064
>> QQ 1767394877
>>
>>
>>
>> --
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>>
>>
>> --
>> Put Bad Developers to Shame
>> Dominate Development with Jenkins Continuous Integration
>> Continuously Automate Build, Test & Deployment
>> Start a new project now. Try Jenkins in the cloud.
>> http://p.sf.net/sfu/13600_Cloudbees
>>
>>
>> ___
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>> https://lists.sourceforge.net/lists/listinfo/emc-users

-- 

Regards /Groete

Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064
QQ 1767394877

--
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a

Re: [Emc-users] Linuxcnc stepper mill configuration

[Marius Liebenberg]

Hi Bill
Please dont apologize for asking questions. Were here to help you man. I 
was not offended at all.
You are falling into a trap that many people seem to do when working 
with a new setup. I have a golden rule that says - "One thing at a time"
Change and fix one thing at a time and start with the most obvious 
problem. Always measure the result of your change. And dont move on 
until you have found an answer for that particular problem.
Oh and you know the definition of insanity - doing the same thing over 
and over and expecting a different result every time.

Use the "Show Hal Configuration" function under the machine menu to look 
at the physical condition of the limit inputs to make sure that they are 
in the correct startup condition that you expected. Put a watch on them 
and change the switches on by one to see that they all do as you 
expected. Unless you have a lot of noise on your system, the debounce is 
normally not required.


On 2014-04-13 05:41, Bill Brettle wrote:
> Sorry Marius,
>
> I did read your message and I thought I had tried it together with a
> multitude of other configs, but I must have either missed it put a typo in
> the line somewhere, anyhow, my sincere apologies.
>
> I thought I had it then I found I had some wiring problems (as Gene
> said)(LM7805 and LM7905 are different). Between fixing these and helping
> look after my 5yr old Grandson who is on school vacation, I haven't
> achieved much.
>
> Yesterday I finally got LCNC connected to my mill and immediately received
> messages *"joint 0 limit switch X".*
>
> I googled this and found that the problem was BOUNCE and I needed to run a
> "debounce" commands. I found two methods (see "debounce" file). The first
> was to be included in custom.hal which I did and received an error message
> "parport.0.pin-10-in already exists"
>
> I deleted this and added the second method to BillsMill.hal this time I got
> the LINUXCNC ERROR attached. Now I'm bushed, Where do I go from here?
>
> Incidentally, what to I do with the other items in the Debug file
> information?
>
> Sorry to be such a pest.
>
> Regards Bill
>
>
> On Mon, Apr 7, 2014 at 12:27 AM, Marius Liebenberg
> wrote:
>
>> I thought that was exactly what I explained. Make me think of Eric
>> Clapton - I must be invisible :)
>>
>> On 2014-04-06 16:21, andy pugh wrote:
>>> On 6 April 2014 14:14, Bill Brettle  wrote:
>>>
 I've worked hard at my .ini and Hal but can't get rid of that error.
>>> The problem is still there and still the same cause.
>>>
>>> You have:
>>> setp parport.0.pin-01-out-invert
>>>
>>> You should have:
>>> setp parport.0.pin-01-out-invert 1
>>>
>>> or, if you prefer:
>>> setp parport.0.pin-01-out-invert true
>>>
>>> "setp takes two arguments" means that a setp command needs to know
>>> which pin to set _and_ what value to set it to.
>>>
>> --
>>
>> Regards /Groete
>>
>> Marius D. Liebenberg
>> +27 82 698 3251
>> +27 12 743 6064
>> QQ 1767394877
>>
>>
>>
>> --
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>>
>>
>> --
>> Put Bad Developers to Shame
>> Dominate Development with Jenkins Continuous Integration
>> Continuously Automate Build, Test & Deployment
>> Start a new project now. Try Jenkins in the cloud.
>> http://p.sf.net/sfu/13600_Cloudbees
>>
>>
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users

-- 

Regards /Groete

Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064
QQ 1767394877

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Sunday 13 April 2014 02:36:39 Bill Brettle did opine:

> Sorry Marius,
> 
> I did read your message and I thought I had tried it together with a
> multitude of other configs, but I must have either missed it put a typo
> in the line somewhere, anyhow, my sincere apologies.
> 
> I thought I had it then I found I had some wiring problems (as Gene
> said)(LM7805 and LM7905 are different). Between fixing these and helping
> look after my 5yr old Grandson who is on school vacation, I haven't
> achieved much.
> 
> Yesterday I finally got LCNC connected to my mill and immediately
> received messages *"joint 0 limit switch X".*
> 
> I googled this and found that the problem was BOUNCE and I needed to run
> a "debounce" commands. I found two methods (see "debounce" file). The
> first was to be included in custom.hal which I did and received an
> error message "parport.0.pin-10-in already exists"
> 
> I deleted this and added the second method to BillsMill.hal this time I
> got the LINUXCNC ERROR attached. Now I'm bushed, Where do I go from
> here?
> 
> Incidentally, what to I do with the other items in the Debug file
> information?
> 
> Sorry to be such a pest.
> 
> Regards Bill
Now your debounce additions are all munged.

When you define a debounce module, you are doubleing up on the modules ID,  
remove the first ".0".#. so that you have debounce.0.in debounce.1.in yadda 
yadda.
 
> 
> On Mon, Apr 7, 2014 at 12:27 AM, Marius Liebenberg
> 
> wrote:
> > I thought that was exactly what I explained. Make me think of Eric
> > Clapton - I must be invisible :)
> > 
> > On 2014-04-06 16:21, andy pugh wrote:
> > > On 6 April 2014 14:14, Bill Brettle  wrote:
> > >> I've worked hard at my .ini and Hal but can't get rid of that
> > >> error.
> > > 
> > > The problem is still there and still the same cause.
> > > 
> > > You have:
> > > setp parport.0.pin-01-out-invert
> > > 
> > > You should have:
> > > setp parport.0.pin-01-out-invert 1
> > > 
> > > or, if you prefer:
> > > setp parport.0.pin-01-out-invert true
> > > 
> > > "setp takes two arguments" means that a setp command needs to know
> > > which pin to set _and_ what value to set it to.
> > 
> > --
> > 
> > Regards /Groete
> > 
> > Marius D. Liebenberg
> > +27 82 698 3251
> > +27 12 743 6064
> > QQ 1767394877
> > 
> > 
> > 
> > --
> >  ___
> > Emc-users mailing list
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> > https://lists.sourceforge.net/lists/listinfo/emc-users


Cheers, Gene
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 soap, ballot, jury, and ammo. Please use in that order."
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US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill Brettle]

Sorry Marius,

I did read your message and I thought I had tried it together with a
multitude of other configs, but I must have either missed it put a typo in
the line somewhere, anyhow, my sincere apologies.

I thought I had it then I found I had some wiring problems (as Gene 
said)(LM7805 and LM7905 are different). Between fixing these and helping
look after my 5yr old Grandson who is on school vacation, I haven't
achieved much.

Yesterday I finally got LCNC connected to my mill and immediately received
messages *"joint 0 limit switch X".*

I googled this and found that the problem was BOUNCE and I needed to run a
"debounce" commands. I found two methods (see "debounce" file). The first
was to be included in custom.hal which I did and received an error message
"parport.0.pin-10-in already exists"

I deleted this and added the second method to BillsMill.hal this time I got
the LINUXCNC ERROR attached. Now I'm bushed, Where do I go from here?

Incidentally, what to I do with the other items in the Debug file
information?

Sorry to be such a pest.

Regards Bill


On Mon, Apr 7, 2014 at 12:27 AM, Marius Liebenberg
wrote:

> I thought that was exactly what I explained. Make me think of Eric
> Clapton - I must be invisible :)
>
> On 2014-04-06 16:21, andy pugh wrote:
> > On 6 April 2014 14:14, Bill Brettle  wrote:
> >
> >> I've worked hard at my .ini and Hal but can't get rid of that error.
> > The problem is still there and still the same cause.
> >
> > You have:
> > setp parport.0.pin-01-out-invert
> >
> > You should have:
> > setp parport.0.pin-01-out-invert 1
> >
> > or, if you prefer:
> > setp parport.0.pin-01-out-invert true
> >
> > "setp takes two arguments" means that a setp command needs to know
> > which pin to set _and_ what value to set it to.
> >
>
> --
>
> Regards /Groete
>
> Marius D. Liebenberg
> +27 82 698 3251
> +27 12 743 6064
> QQ 1767394877
>
>
>
> --
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>


BillsMill.hal
Description: Binary data


linuxcnc
Description: Binary data


debounce
Description: Binary data
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Marius Liebenberg]

I thought that was exactly what I explained. Make me think of Eric 
Clapton - I must be invisible :)

On 2014-04-06 16:21, andy pugh wrote:
> On 6 April 2014 14:14, Bill Brettle  wrote:
>
>> I've worked hard at my .ini and Hal but can't get rid of that error.
> The problem is still there and still the same cause.
>
> You have:
> setp parport.0.pin-01-out-invert
>
> You should have:
> setp parport.0.pin-01-out-invert 1
>
> or, if you prefer:
> setp parport.0.pin-01-out-invert true
>
> "setp takes two arguments" means that a setp command needs to know
> which pin to set _and_ what value to set it to.
>

-- 

Regards /Groete

Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064
QQ 1767394877


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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 6 April 2014 14:14, Bill Brettle  wrote:

> I've worked hard at my .ini and Hal but can't get rid of that error.

The problem is still there and still the same cause.

You have:
setp parport.0.pin-01-out-invert

You should have:
setp parport.0.pin-01-out-invert 1

or, if you prefer:
setp parport.0.pin-01-out-invert true

"setp takes two arguments" means that a setp command needs to know
which pin to set _and_ what value to set it to.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Sunday 06 April 2014 09:24:35 Bill Brettle did opine:

> Hi all,
> 
> I've worked hard at my .ini and Hal but can't get rid of that error.
> 
> I realised that I can change the wiring on my spindle relay and get rid
> of the offending line but that has moved the problem down to my setp
> enable file and that one's got me beat it doesnt matter if I have the
> "invert" in or out.  Googling has given me nothing.
> 
> Any other brains to ask?
> 
> Bill

Probably, but I just looked at the error again, and it leads to a question:

when linuxcnc isn't running, do you have, in the output of "lsmod" a normal 
linux parport_pc driver?  If you do, its grabbing the parport hardware 
which is the initiator of the error, and you must prevent that.

In your /etc/modprobe.d directory, you will need an emc.conf file, or a 
linuxcnc.conf file, which contains this:

# Remove the '#' before 'install' below to prevent regular Linux programs
# from accessing the parallel port.  This also means that the linux
# parport number may not be used to identify the port in a
# loadrt hal_parport.
install parport_pc /bin/true

And reboot.
> 
> PS. I'll be praying for you, I was scheduled to have some shoulder tears
> repaired next year but I've reconsidered. 9 months of agony after
> surgery and a 37% chance of recurrence.  B
> 
> On Sun, Apr 6, 2014 at 5:53 PM, Gene Heskett  wrote:
> > On Sunday 06 April 2014 03:38:15 Bill Brettle did opine:
> > > Thankyou both
> > > 
> > > First, the LOW on pin 1 was 0v sorry to muddy the waters.
> > > 
> > > Second, I corrected the "-out-invert" problem now I get this Error
> > > message "Debug file information:
> > > Can not find -sec MOT -var MOT -num 1
> > > Can not find -sec IO -var IO -num 1
> > > Can not find -sec LINUXCNC -var NML_FILE -num 1
> > > Can not find -sec EMC -var NML_FILE -num 1
> > > BillsMill.hal:24: setp requires 2 arguments, 1 given
> > 
> > Humm, do you as the linuxcnc user, have write perms in the
> > linuxcnc/config/BillsMill directory tree?  I don't recall ever seeing
> > an error like that.
> > 
> > Yes, setp needs a pin or parameter argument first, then a value to set
> > it at.  Can be true/false or a floating point value depending on the
> > pin or parameter you are setting.  Some pins only exist as parameters
> > as has been pointed out.
> > 
> > > 6953
> > > 
> > >   PID TTY  STAT   TIME COMMAND"
> > > 
> > > What does all this mean?
> > > 
> > > Third, I have included the line net
> > > "Xhome parport.0.pin-10-in=> axis.0.home-sw-in axis.0.neg-lim-sw-in
> > > axis.0.pos-lim-sw-in"
> > > 
> > > Is this OK?
> > 
> > If all switches are NO and wired in parallel so they close when
> > touched, or all switches are NC and wired in series so the chain
> > opens when touched, it should just work.  You will need a voltage
> > feed to set the logic when they operate of course. With a current
> > limit, say a 4.7k resistor.
> > 
> > > Stepper configuration article says this:
> > > "### Shared home switches all on one parallel port pin?
> > > ### that's ok, hook the same signal to all the axes, but be sure to
> > > ### set HOME_IS_SHARED and HOME_SEQUENCE in the ini file.  See the
> > > ### user manual!"
> > > 
> > > Is this necessary ? if so, where and what do I enter in my .ini?
> > 
> > Yes, generally speaking. That way the home search sequence is done in
> > the order specified.  Just like the manual says.
> > 
> > > Hope I'm making sense
> > > 
> > > Regards Bill
> > > 
> > > PS Gene, Hows the back going, any news on the op.? B
> > 
> > Gah, a top poster.  I'm fat, dumb and unhappy till next Tuesday
> > afternoon when I have an appointment with a neurosurgeon to discuss
> > it.
> > 
> > > On Sat, Apr 5, 2014 at 11:51 PM, Gene Heskett  
wrote:
> > > > On Saturday 05 April 2014 09:28:28 Bill Brettle did opine:
> > > > > Hi again everyone
> > > > > 
> > > > >  Pin No. 01 on my BOB is enable, and unless it is on HIGH the
> > > > >  motion
> > > > > 
> > > > > commands are blocked, I've discovered that the input from the
> > > > > computer on this pin is 5v (ie HIGH) but the BOB inverts this so
> > > > > that the output is about 2v (ie Low) so what I now want to do is
> > > > > to invert the output from the computer.
> > > > 
> > > > First off, if its only going down to 2 volts, you have a hardware
> > > > problem. A fairly serious, something is trying to pull it up, and
> > > > may have already blown that gate on your BOB.  Maker and model of
> > > > the BOB?
> > > > 
> > > > Second off "setp parport.0.pin-#-out-invert" in your .hal file
> > > > will do the inversion.
> > > > 
> > > > > There are some example on how to do this in an LCNC
> > > > > document titled Stepper Configuration. (with part of that
> > > > > document Attached) When I put that into my HAL file I get an
> > > > > error message as shown on the top line of that attachment.
> > > > > 
> > > > > I have the opposite problem with my spindle which turns on when
> > > > > I start the program and turns off at 

Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill Brettle]

Hi all,

I've worked hard at my .ini and Hal but can't get rid of that error.

I realised that I can change the wiring on my spindle relay and get rid of
the offending line but that has moved the problem down to my setp enable
file and that one's got me beat it doesnt matter if I have the "invert" in
or out.  Googling has given me nothing.

Any other brains to ask?

Bill

PS. I'll be praying for you, I was scheduled to have some shoulder tears
repaired next year but I've reconsidered. 9 months of agony after surgery
and a 37% chance of recurrence.  B


On Sun, Apr 6, 2014 at 5:53 PM, Gene Heskett  wrote:

> On Sunday 06 April 2014 03:38:15 Bill Brettle did opine:
>
> > Thankyou both
> >
> > First, the LOW on pin 1 was 0v sorry to muddy the waters.
> >
> > Second, I corrected the "-out-invert" problem now I get this Error
> > message "Debug file information:
> > Can not find -sec MOT -var MOT -num 1
> > Can not find -sec IO -var IO -num 1
> > Can not find -sec LINUXCNC -var NML_FILE -num 1
> > Can not find -sec EMC -var NML_FILE -num 1
> > BillsMill.hal:24: setp requires 2 arguments, 1 given
>
> Humm, do you as the linuxcnc user, have write perms in the
> linuxcnc/config/BillsMill directory tree?  I don't recall ever seeing an
> error like that.
>
> Yes, setp needs a pin or parameter argument first, then a value to set it
> at.  Can be true/false or a floating point value depending on the pin or
> parameter you are setting.  Some pins only exist as parameters as has been
> pointed out.
>
> > 6953
> >   PID TTY  STAT   TIME COMMAND"
> >
> > What does all this mean?
> >
> > Third, I have included the line net
> > "Xhome parport.0.pin-10-in=> axis.0.home-sw-in axis.0.neg-lim-sw-in
> > axis.0.pos-lim-sw-in"
> >
> > Is this OK?
>
> If all switches are NO and wired in parallel so they close when touched, or
> all switches are NC and wired in series so the chain opens when touched, it
> should just work.  You will need a voltage feed to set the logic when they
> operate of course. With a current limit, say a 4.7k resistor.
>
> > Stepper configuration article says this:
> > "### Shared home switches all on one parallel port pin?
> > ### that's ok, hook the same signal to all the axes, but be sure to
> > ### set HOME_IS_SHARED and HOME_SEQUENCE in the ini file.  See the
> > ### user manual!"
> >
> > Is this necessary ? if so, where and what do I enter in my .ini?
>
> Yes, generally speaking. That way the home search sequence is done in the
> order specified.  Just like the manual says.
>
> > Hope I'm making sense
> >
> > Regards Bill
> >
> > PS Gene, Hows the back going, any news on the op.? B
>
> Gah, a top poster.  I'm fat, dumb and unhappy till next Tuesday afternoon
> when I have an appointment with a neurosurgeon to discuss it.
> >
> > On Sat, Apr 5, 2014 at 11:51 PM, Gene Heskett  wrote:
> > > On Saturday 05 April 2014 09:28:28 Bill Brettle did opine:
> > > > Hi again everyone
> > > >
> > > >  Pin No. 01 on my BOB is enable, and unless it is on HIGH the motion
> > > >
> > > > commands are blocked, I've discovered that the input from the
> > > > computer on this pin is 5v (ie HIGH) but the BOB inverts this so
> > > > that the output is about 2v (ie Low) so what I now want to do is to
> > > > invert the output from the computer.
> > >
> > > First off, if its only going down to 2 volts, you have a hardware
> > > problem. A fairly serious, something is trying to pull it up, and may
> > > have already blown that gate on your BOB.  Maker and model of the
> > > BOB?
> > >
> > > Second off "setp parport.0.pin-#-out-invert" in your .hal file will do
> > > the inversion.
> > >
> > > > There are some example on how to do this in an LCNC
> > > > document titled Stepper Configuration. (with part of that document
> > > > Attached) When I put that into my HAL file I get an error message as
> > > > shown on the top line of that attachment.
> > > >
> > > > I have the opposite problem with my spindle which turns on when I
> > > > start the program and turns off at an M3 Code.
> > >
> > > Apply that same setp to the parport pin that enables the spindle.
> > > IOW your setp parport.0.pin-9-invert TRUE becomes
> > > setp parport.0.pin-9-out-invert TRUE
> > >
> > > Same syntax for its pin 1
> > >
> > > > Until I get this sorted out I can't sort out the other problems.
> > > >
> > > > I have included my .HAL and .INI files. As an ex Architect, ex
> > > > Pastor, and ex Taxi Driver, I'm pretty much out of my depth, so
> > > > could someone please check these to make sure that I'm not making a
> > > > complete mash of them.
> > > >
> > > > Regards Bill
> > >
> > > You also have 4 stepgens configured in your .hal file, but only 3 in
> > > your .ini file.  That likely will cause errors when you get that far.
> > >
> > > And, are you sure that the stepgen config is correct?
> > >
> > > > On Wed, Apr 2, 2014 at 7:46 PM, andy pugh 
> wrote:
> > > > > On 2 April 2014 05:51, Bill Brettle  wrote:
> > > > > > 1. how is Xenable triggered, i

Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Sunday 06 April 2014 03:38:15 Bill Brettle did opine:

> Thankyou both
> 
> First, the LOW on pin 1 was 0v sorry to muddy the waters.
> 
> Second, I corrected the "-out-invert" problem now I get this Error
> message "Debug file information:
> Can not find -sec MOT -var MOT -num 1
> Can not find -sec IO -var IO -num 1
> Can not find -sec LINUXCNC -var NML_FILE -num 1
> Can not find -sec EMC -var NML_FILE -num 1
> BillsMill.hal:24: setp requires 2 arguments, 1 given

Humm, do you as the linuxcnc user, have write perms in the 
linuxcnc/config/BillsMill directory tree?  I don't recall ever seeing an 
error like that.

Yes, setp needs a pin or parameter argument first, then a value to set it 
at.  Can be true/false or a floating point value depending on the pin or 
parameter you are setting.  Some pins only exist as parameters as has been 
pointed out.

> 6953
>   PID TTY  STAT   TIME COMMAND"
> 
> What does all this mean?
> 
> Third, I have included the line net
> "Xhome parport.0.pin-10-in=> axis.0.home-sw-in axis.0.neg-lim-sw-in
> axis.0.pos-lim-sw-in"
> 
> Is this OK?

If all switches are NO and wired in parallel so they close when touched, or 
all switches are NC and wired in series so the chain opens when touched, it 
should just work.  You will need a voltage feed to set the logic when they 
operate of course. With a current limit, say a 4.7k resistor.

> Stepper configuration article says this:
> "### Shared home switches all on one parallel port pin?
> ### that's ok, hook the same signal to all the axes, but be sure to
> ### set HOME_IS_SHARED and HOME_SEQUENCE in the ini file.  See the
> ### user manual!"
> 
> Is this necessary ? if so, where and what do I enter in my .ini?

Yes, generally speaking. That way the home search sequence is done in the 
order specified.  Just like the manual says.
 
> Hope I'm making sense
> 
> Regards Bill
> 
> PS Gene, Hows the back going, any news on the op.? B

Gah, a top poster.  I'm fat, dumb and unhappy till next Tuesday afternoon 
when I have an appointment with a neurosurgeon to discuss it.
> 
> On Sat, Apr 5, 2014 at 11:51 PM, Gene Heskett  wrote:
> > On Saturday 05 April 2014 09:28:28 Bill Brettle did opine:
> > > Hi again everyone
> > > 
> > >  Pin No. 01 on my BOB is enable, and unless it is on HIGH the motion
> > > 
> > > commands are blocked, I've discovered that the input from the
> > > computer on this pin is 5v (ie HIGH) but the BOB inverts this so
> > > that the output is about 2v (ie Low) so what I now want to do is to
> > > invert the output from the computer.
> > 
> > First off, if its only going down to 2 volts, you have a hardware
> > problem. A fairly serious, something is trying to pull it up, and may
> > have already blown that gate on your BOB.  Maker and model of the
> > BOB?
> > 
> > Second off "setp parport.0.pin-#-out-invert" in your .hal file will do
> > the inversion.
> > 
> > > There are some example on how to do this in an LCNC
> > > document titled Stepper Configuration. (with part of that document
> > > Attached) When I put that into my HAL file I get an error message as
> > > shown on the top line of that attachment.
> > > 
> > > I have the opposite problem with my spindle which turns on when I
> > > start the program and turns off at an M3 Code.
> > 
> > Apply that same setp to the parport pin that enables the spindle.
> > IOW your setp parport.0.pin-9-invert TRUE becomes
> > setp parport.0.pin-9-out-invert TRUE
> > 
> > Same syntax for its pin 1
> > 
> > > Until I get this sorted out I can't sort out the other problems.
> > > 
> > > I have included my .HAL and .INI files. As an ex Architect, ex
> > > Pastor, and ex Taxi Driver, I'm pretty much out of my depth, so
> > > could someone please check these to make sure that I'm not making a
> > > complete mash of them.
> > > 
> > > Regards Bill
> > 
> > You also have 4 stepgens configured in your .hal file, but only 3 in
> > your .ini file.  That likely will cause errors when you get that far.
> > 
> > And, are you sure that the stepgen config is correct?
> > 
> > > On Wed, Apr 2, 2014 at 7:46 PM, andy pugh  wrote:
> > > > On 2 April 2014 05:51, Bill Brettle  wrote:
> > > > > 1. how is Xenable triggered, it doesn't appear to be going high
> > > > 
> > > > Xenable isn't a HAL pin, so I assume that it is a signal that is
> > > > created in your HAL file.
> > > > You probably want to connect it to axis.0.amp-enable-out.
> > > > http://www.linuxcnc.org/docs/html/man/man9/motion.9.html
> > > > 
> > > > > My setup is a 3 axis, 2 wire connection. The 2 wires require B &
> > > > > C (or A
> > > > 
> > > > &
> > > > 
> > > > > D) phases and provides the other phases as inversions of the
> > > > > phases provided.
> > > > 
> > > > Does that work? I thought that the step sequence required each
> > > > phase to be completely off some of the time.
> > 
> > We normally call that A/B/Z where A&B have a 90 degree relationship
> > looking something like 2 square waves, out of time by half the peri

Re: [Emc-users] Linuxcnc stepper mill configuration

[Marius Liebenberg]

On 2014-04-06 06:37, Bill Brettle wrote:
> Thankyou both
>
> First, the LOW on pin 1 was 0v sorry to muddy the waters.
>
> Second, I corrected the "-out-invert" problem now I get this Error message
> "Debug file information:
> Can not find -sec MOT -var MOT -num 1
> Can not find -sec IO -var IO -num 1
> Can not find -sec LINUXCNC -var NML_FILE -num 1
> Can not find -sec EMC -var NML_FILE -num 1
> BillsMill.hal:24: setp requires 2 arguments, 1 given
This means that you probably did not tell setp what to to set the pin 
to. Usuall it will be - setp parport.0.pin-02-out-invert 1

> 6953
>PID TTY  STAT   TIME COMMAND"
>
> What does all this mean?
>
> Third, I have included the line net
> "Xhome parport.0.pin-10-in=> axis.0.home-sw-in axis.0.neg-lim-sw-in
> axis.0.pos-lim-sw-in"
>
> Is this OK?

Should work ok
> Stepper configuration article says this:
> "### Shared home switches all on one parallel port pin?
> ### that's ok, hook the same signal to all the axes, but be sure to
> ### set HOME_IS_SHARED and HOME_SEQUENCE in the ini file.  See the
> ### user manual!"
>
> Is this necessary ? if so, where and what do I enter in my .ini?
Yes otherwise lcnc does not now how to handle the limits. This is a very 
good read.
http://www.linuxcnc.org/docs/html/config/ini_config.html

> Hope I'm making sense
>
> Regards Bill
>
> PS Gene, Hows the back going, any news on the op.? B
>
>
>
> On Sat, Apr 5, 2014 at 11:51 PM, Gene Heskett  wrote:
>
>> On Saturday 05 April 2014 09:28:28 Bill Brettle did opine:
>>
>>> Hi again everyone
>>>
>>>   Pin No. 01 on my BOB is enable, and unless it is on HIGH the motion
>>> commands are blocked, I've discovered that the input from the computer
>>> on this pin is 5v (ie HIGH) but the BOB inverts this so that the output
>>> is about 2v (ie Low) so what I now want to do is to invert the output
>>> from the computer.
>> First off, if its only going down to 2 volts, you have a hardware problem.
>> A fairly serious, something is trying to pull it up, and may have already
>> blown that gate on your BOB.  Maker and model of the BOB?
>>
>> Second off "setp parport.0.pin-#-out-invert" in your .hal file will do the
>> inversion.
>>
>>> There are some example on how to do this in an LCNC
>>> document titled Stepper Configuration. (with part of that document
>>> Attached) When I put that into my HAL file I get an error message as
>>> shown on the top line of that attachment.
>>>
>>> I have the opposite problem with my spindle which turns on when I start
>>> the program and turns off at an M3 Code.
>>>
>> Apply that same setp to the parport pin that enables the spindle.
>> IOW your setp parport.0.pin-9-invert TRUE becomes
>> setp parport.0.pin-9-out-invert TRUE
>>
>> Same syntax for its pin 1
>>
>>> Until I get this sorted out I can't sort out the other problems.
>>>
>>> I have included my .HAL and .INI files. As an ex Architect, ex Pastor,
>>> and ex Taxi Driver, I'm pretty much out of my depth, so could someone
>>> please check these to make sure that I'm not making a complete mash of
>>> them.
>>>
>>> Regards Bill
>> You also have 4 stepgens configured in your .hal file, but only 3 in your
>> .ini file.  That likely will cause errors when you get that far.
>>
>> And, are you sure that the stepgen config is correct?
>>> On Wed, Apr 2, 2014 at 7:46 PM, andy pugh  wrote:
 On 2 April 2014 05:51, Bill Brettle  wrote:
> 1. how is Xenable triggered, it doesn't appear to be going high
 Xenable isn't a HAL pin, so I assume that it is a signal that is
 created in your HAL file.
 You probably want to connect it to axis.0.amp-enable-out.
 http://www.linuxcnc.org/docs/html/man/man9/motion.9.html

> My setup is a 3 axis, 2 wire connection. The 2 wires require B & C
> (or A
 &

> D) phases and provides the other phases as inversions of the phases
> provided.
 Does that work? I thought that the step sequence required each phase
 to be completely off some of the time.
>> We normally call that A/B/Z where A&B have a 90 degree relationship looking
>> something like 2 square waves, out of time by half the period of the wave
>> at each logic level. Z is only active during the once per revolution index
>> pulse.
>>
 There are 4 patterns, and you have 4 codes, so it should be possible
 to make it work.
 Looking at (for example) pattern 8
 http://www.linuxcnc.org/docs/html/hal/rtcomps.html#sec:Stepgen
 Does show the phases you describe, I can't decide if that will drive a
 unipolar motor, or if is is designed as a differential drive to a
 driver.

> The attached BillsMill.hal shows how I have configured the pins ie
> by
 just

> omitting configurations for A & D, I don't know how this will work.
 You may need to choose pattern 6 or 8 (the actual phase excitation
 will be the same with either in your situation). These are the
 patterns that output the full 4 combinations on just two pins.
>>>

Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill Brettle]

Thankyou both

First, the LOW on pin 1 was 0v sorry to muddy the waters.

Second, I corrected the "-out-invert" problem now I get this Error message
"Debug file information:
Can not find -sec MOT -var MOT -num 1
Can not find -sec IO -var IO -num 1
Can not find -sec LINUXCNC -var NML_FILE -num 1
Can not find -sec EMC -var NML_FILE -num 1
BillsMill.hal:24: setp requires 2 arguments, 1 given
6953
  PID TTY  STAT   TIME COMMAND"

What does all this mean?

Third, I have included the line net
"Xhome parport.0.pin-10-in=> axis.0.home-sw-in axis.0.neg-lim-sw-in
axis.0.pos-lim-sw-in"

Is this OK?

Stepper configuration article says this:
"### Shared home switches all on one parallel port pin?
### that's ok, hook the same signal to all the axes, but be sure to
### set HOME_IS_SHARED and HOME_SEQUENCE in the ini file.  See the
### user manual!"

Is this necessary ? if so, where and what do I enter in my .ini?

Hope I'm making sense

Regards Bill

PS Gene, Hows the back going, any news on the op.? B



On Sat, Apr 5, 2014 at 11:51 PM, Gene Heskett  wrote:

> On Saturday 05 April 2014 09:28:28 Bill Brettle did opine:
>
> > Hi again everyone
> >
> >  Pin No. 01 on my BOB is enable, and unless it is on HIGH the motion
> > commands are blocked, I've discovered that the input from the computer
> > on this pin is 5v (ie HIGH) but the BOB inverts this so that the output
> > is about 2v (ie Low) so what I now want to do is to invert the output
> > from the computer.
>
> First off, if its only going down to 2 volts, you have a hardware problem.
> A fairly serious, something is trying to pull it up, and may have already
> blown that gate on your BOB.  Maker and model of the BOB?
>
> Second off "setp parport.0.pin-#-out-invert" in your .hal file will do the
> inversion.
>
> > There are some example on how to do this in an LCNC
> > document titled Stepper Configuration. (with part of that document
> > Attached) When I put that into my HAL file I get an error message as
> > shown on the top line of that attachment.
> >
> > I have the opposite problem with my spindle which turns on when I start
> > the program and turns off at an M3 Code.
> >
> Apply that same setp to the parport pin that enables the spindle.
> IOW your setp parport.0.pin-9-invert TRUE becomes
> setp parport.0.pin-9-out-invert TRUE
>
> Same syntax for its pin 1
>
> > Until I get this sorted out I can't sort out the other problems.
> >
> > I have included my .HAL and .INI files. As an ex Architect, ex Pastor,
> > and ex Taxi Driver, I'm pretty much out of my depth, so could someone
> > please check these to make sure that I'm not making a complete mash of
> > them.
> >
> > Regards Bill
>
> You also have 4 stepgens configured in your .hal file, but only 3 in your
> .ini file.  That likely will cause errors when you get that far.
>
> And, are you sure that the stepgen config is correct?
> > On Wed, Apr 2, 2014 at 7:46 PM, andy pugh  wrote:
> > > On 2 April 2014 05:51, Bill Brettle  wrote:
> > > > 1. how is Xenable triggered, it doesn't appear to be going high
> > >
> > > Xenable isn't a HAL pin, so I assume that it is a signal that is
> > > created in your HAL file.
> > > You probably want to connect it to axis.0.amp-enable-out.
> > > http://www.linuxcnc.org/docs/html/man/man9/motion.9.html
> > >
> > > > My setup is a 3 axis, 2 wire connection. The 2 wires require B & C
> > > > (or A
> > >
> > > &
> > >
> > > > D) phases and provides the other phases as inversions of the phases
> > > > provided.
> > >
> > > Does that work? I thought that the step sequence required each phase
> > > to be completely off some of the time.
>
> We normally call that A/B/Z where A&B have a 90 degree relationship looking
> something like 2 square waves, out of time by half the period of the wave
> at each logic level. Z is only active during the once per revolution index
> pulse.
>
> > > There are 4 patterns, and you have 4 codes, so it should be possible
> > > to make it work.
> > > Looking at (for example) pattern 8
> > > http://www.linuxcnc.org/docs/html/hal/rtcomps.html#sec:Stepgen
> > > Does show the phases you describe, I can't decide if that will drive a
> > > unipolar motor, or if is is designed as a differential drive to a
> > > driver.
> > >
> > > > The attached BillsMill.hal shows how I have configured the pins ie
> > > > by
> > >
> > > just
> > >
> > > > omitting configurations for A & D, I don't know how this will work.
> > >
> > > You may need to choose pattern 6 or 8 (the actual phase excitation
> > > will be the same with either in your situation). These are the
> > > patterns that output the full 4 combinations on just two pins.
> > >
> > > > 3. I have developed my Gcode files with CNCSimulatorPro but I found
> > > > out that LCNC cannot read these even though I have saved them as
> > > > .ngc.
> > >
> > > What do they look like? How does LinuxCNC fail to read them?
> > >
> > >
> > > --
> > > atp
> > > If you can't fix it, you don't own it.
> > > http://www.ifixit.com/Ma

Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Saturday 05 April 2014 09:28:28 Bill Brettle did opine:

> Hi again everyone
> 
>  Pin No. 01 on my BOB is enable, and unless it is on HIGH the motion
> commands are blocked, I've discovered that the input from the computer
> on this pin is 5v (ie HIGH) but the BOB inverts this so that the output
> is about 2v (ie Low) so what I now want to do is to invert the output
> from the computer.

First off, if its only going down to 2 volts, you have a hardware problem.  
A fairly serious, something is trying to pull it up, and may have already 
blown that gate on your BOB.  Maker and model of the BOB?

Second off "setp parport.0.pin-#-out-invert" in your .hal file will do the 
inversion.

> There are some example on how to do this in an LCNC
> document titled Stepper Configuration. (with part of that document
> Attached) When I put that into my HAL file I get an error message as
> shown on the top line of that attachment.
> 
> I have the opposite problem with my spindle which turns on when I start
> the program and turns off at an M3 Code.
> 
Apply that same setp to the parport pin that enables the spindle.
IOW your setp parport.0.pin-9-invert TRUE becomes
setp parport.0.pin-9-out-invert TRUE

Same syntax for its pin 1

> Until I get this sorted out I can't sort out the other problems.
> 
> I have included my .HAL and .INI files. As an ex Architect, ex Pastor,
> and ex Taxi Driver, I'm pretty much out of my depth, so could someone
> please check these to make sure that I'm not making a complete mash of
> them.
> 
> Regards Bill

You also have 4 stepgens configured in your .hal file, but only 3 in your 
.ini file.  That likely will cause errors when you get that far.
 
And, are you sure that the stepgen config is correct?
> On Wed, Apr 2, 2014 at 7:46 PM, andy pugh  wrote:
> > On 2 April 2014 05:51, Bill Brettle  wrote:
> > > 1. how is Xenable triggered, it doesn't appear to be going high
> > 
> > Xenable isn't a HAL pin, so I assume that it is a signal that is
> > created in your HAL file.
> > You probably want to connect it to axis.0.amp-enable-out.
> > http://www.linuxcnc.org/docs/html/man/man9/motion.9.html
> > 
> > > My setup is a 3 axis, 2 wire connection. The 2 wires require B & C
> > > (or A
> > 
> > &
> > 
> > > D) phases and provides the other phases as inversions of the phases
> > > provided.
> > 
> > Does that work? I thought that the step sequence required each phase
> > to be completely off some of the time.

We normally call that A/B/Z where A&B have a 90 degree relationship looking 
something like 2 square waves, out of time by half the period of the wave 
at each logic level. Z is only active during the once per revolution index 
pulse.

> > There are 4 patterns, and you have 4 codes, so it should be possible
> > to make it work.
> > Looking at (for example) pattern 8
> > http://www.linuxcnc.org/docs/html/hal/rtcomps.html#sec:Stepgen
> > Does show the phases you describe, I can't decide if that will drive a
> > unipolar motor, or if is is designed as a differential drive to a
> > driver.
> > 
> > > The attached BillsMill.hal shows how I have configured the pins ie
> > > by
> > 
> > just
> > 
> > > omitting configurations for A & D, I don't know how this will work.
> > 
> > You may need to choose pattern 6 or 8 (the actual phase excitation
> > will be the same with either in your situation). These are the
> > patterns that output the full 4 combinations on just two pins.
> > 
> > > 3. I have developed my Gcode files with CNCSimulatorPro but I found
> > > out that LCNC cannot read these even though I have saved them as
> > > .ngc.
> > 
> > What do they look like? How does LinuxCNC fail to read them?
> > 
> > 
> > --
> > atp
> > If you can't fix it, you don't own it.
> > http://www.ifixit.com/Manifesto
> > 
> > 
> > --
> >  ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users


Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 5 April 2014 12:42, Bill Brettle  wrote:

> computer. There are some example on how to do this in an LCNC document
> titled Stepper Configuration. (with part of that document Attached) When I
> put that into my HAL file I get an error message as shown on the top line
> of that attachment.

"BillsMill.hal:24: parameter or pin 'parport.0.pin-09-invert' not found"

The parameter is actually called:
parport.0.pin-09-out-invert
You omitted the "out"

You will have the same problem a few lines later with pin 01.

-- 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill Brettle]

Hi again everyone

 Pin No. 01 on my BOB is enable, and unless it is on HIGH the motion
commands are blocked, I've discovered that the input from the computer on
this pin is 5v (ie HIGH) but the BOB inverts this so that the output is
about 2v (ie Low) so what I now want to do is to invert the output from the
computer. There are some example on how to do this in an LCNC document
titled Stepper Configuration. (with part of that document Attached) When I
put that into my HAL file I get an error message as shown on the top line
of that attachment.

I have the opposite problem with my spindle which turns on when I start the
program and turns off at an M3 Code.

Until I get this sorted out I can't sort out the other problems.

I have included my .HAL and .INI files. As an ex Architect, ex Pastor, and
ex Taxi Driver, I'm pretty much out of my depth, so could someone please
check these to make sure that I'm not making a complete mash of them.

Regards Bill




On Wed, Apr 2, 2014 at 7:46 PM, andy pugh  wrote:

> On 2 April 2014 05:51, Bill Brettle  wrote:
>
> > 1. how is Xenable triggered, it doesn't appear to be going high
>
> Xenable isn't a HAL pin, so I assume that it is a signal that is
> created in your HAL file.
> You probably want to connect it to axis.0.amp-enable-out.
> http://www.linuxcnc.org/docs/html/man/man9/motion.9.html
>
> > My setup is a 3 axis, 2 wire connection. The 2 wires require B & C (or A
> &
> > D) phases and provides the other phases as inversions of the phases
> > provided.
>
> Does that work? I thought that the step sequence required each phase
> to be completely off some of the time.
> There are 4 patterns, and you have 4 codes, so it should be possible
> to make it work.
> Looking at (for example) pattern 8
> http://www.linuxcnc.org/docs/html/hal/rtcomps.html#sec:Stepgen
> Does show the phases you describe, I can't decide if that will drive a
> unipolar motor, or if is is designed as a differential drive to a
> driver.
>
> > The attached BillsMill.hal shows how I have configured the pins ie by
> just
> > omitting configurations for A & D, I don't know how this will work.
>
> You may need to choose pattern 6 or 8 (the actual phase excitation
> will be the same with either in your situation). These are the
> patterns that output the full 4 combinations on just two pins.
>
> > 3. I have developed my Gcode files with CNCSimulatorPro but I found out
> > that LCNC cannot read these even though I have saved them as .ngc.
>
> What do they look like? How does LinuxCNC fail to read them?
>
>
> --
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
>
>
> --
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>


enabling
Description: Binary data


BillsMill.hal
Description: Binary data


BillsMill.ini
Description: application/wine-extension-ini
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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 2 April 2014 05:51, Bill Brettle  wrote:

> 1. how is Xenable triggered, it doesn't appear to be going high

Xenable isn't a HAL pin, so I assume that it is a signal that is
created in your HAL file.
You probably want to connect it to axis.0.amp-enable-out.
http://www.linuxcnc.org/docs/html/man/man9/motion.9.html

> My setup is a 3 axis, 2 wire connection. The 2 wires require B & C (or A &
> D) phases and provides the other phases as inversions of the phases
> provided.

Does that work? I thought that the step sequence required each phase
to be completely off some of the time.
There are 4 patterns, and you have 4 codes, so it should be possible
to make it work.
Looking at (for example) pattern 8
http://www.linuxcnc.org/docs/html/hal/rtcomps.html#sec:Stepgen
Does show the phases you describe, I can't decide if that will drive a
unipolar motor, or if is is designed as a differential drive to a
driver.

> The attached BillsMill.hal shows how I have configured the pins ie by just
> omitting configurations for A & D, I don't know how this will work.

You may need to choose pattern 6 or 8 (the actual phase excitation
will be the same with either in your situation). These are the
patterns that output the full 4 combinations on just two pins.

> 3. I have developed my Gcode files with CNCSimulatorPro but I found out
> that LCNC cannot read these even though I have saved them as .ngc.

What do they look like? How does LinuxCNC fail to read them?


-- 
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If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill Brettle]

Hi everyone

If I sound confused, Good I am.

1. how is Xenable triggered, it doesn't appear to be going high

2. Attached is a file called uln2003.hal which is a file I downloaded and
have used as a basis for my .hal. It is for a 2 axis 4 wire connection and
sets out the pins for A B C an D phases. If he went to 3 axis he would have
run out of pins.

My setup is a 3 axis, 2 wire connection. The 2 wires require B & C (or A &
D) phases and provides the other phases as inversions of the phases
provided.

The attached BillsMill.hal shows how I have configured the pins ie by just
omitting configurations for A & D, I don't know how this will work.

3. I have developed my Gcode files with CNCSimulatorPro but I found out
that LCNC cannot read these even though I have saved them as .ngc.

Can I convert the files I have or to rewrite them and if so what software
will help me produce them.

Thankyouall

Bill






On Sun, Mar 30, 2014 at 4:14 PM, Marius Liebenberg
wrote:

> Sorry about the double posts my mail client said the message was not
> sent and it could not save it so I redid the message.
>
> On 2014-03-30 08:09, Marius Liebenberg wrote:
> > Bill
> > I looked at your files but I could see nothing obviously wrong with
> > them. Did you ever edit these files with a widows based editor?
> > It sometime helps to restart the terminal session if you get funnies
> > that just happen without explanation.
> >
> > Please explain the other strange files in your directory, they are a bit
> > confusion.
> >
> >
> > On 2014-03-29 09:44, Bill wrote:
> >> Thankyou Marius. So simple when you know how
> >>
> >>
> >>
> >> Hi everyone,
> >>
> >>
> >>
> >> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
> >>
> >>
> >>
> >> When I tried to run LCNC,  it wouldn't run and gave me an error message
> >>
> >>
> >>
> >> The attachment includes that error message together with my LinuxCNC
> folder
> >> which will give all my settings
> >>
> >>
> >>
> >> Thanks for your help
> >>
> >>
> >>
> >> Bill
> >>
> >>
> >>
> >>
> >>
> >> ---Original Message---
> >>
> >>
> >>
> >> From: Marius Liebenberg
> >>
> >> Date: 03/29/14 15:21:00
> >>
> >> To: emc-users@lists.sourceforge.net
> >>
> >> Subject: Re: [Emc-users] Error Messages
> >>
> >>
> >>
> >> There is a button at the bottom of the screen "Select All" Press that
> >>
> >> and then open gedit. Right click and paste the contents of the error
> screen.
> >>
> >>
> >>
> >>
> >>
> >> On 2014-03-29 05:41, Bill Brettle wrote:
> >>
> >>> My Mill would not connect and I received a fairly long message entitled
> >>> "LinuxCNC Errors" which stated in the header "When reporting
> >>> problems,please include all the information below in your message."
> >>> However, I cannot copy, print, or in any other may transmit this
> >>> information.
> >>> ?
> >>> Regards Bill  [?]
> >>
> -
> >>
> >>
> >>> ___
> >>> Emc-users mailing list
> >>> Emc-users@lists.sourceforge.net
> >>> https://lists.sourceforge.net/lists/listinfo/emc-users
> >>
> >>
> >> --
> >>
> >>
> >>
> >> Regards /Groete
> >>
> >>
> >>
> >> Marius D. Liebenberg
> >>
> >> +27 82 698 3251
> >>
> >> +27 12 743 6064
> >>
> >> QQ 1767394877
> >>
> >>
> >>
> >>
> -
> >>
> >>
> >> ___
> >>
> >> Emc-users mailing list
> >>
> >> Emc-users@lists.sourceforge.net
> >>
> >> https://lists.sourceforge.net/lists/listinfo/emc-users
> >>
> >>
> >>
> --
> >>
> >>
> >> ___
> >> Emc-users mailing list
> >> Emc-users@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/emc-users
>
> --
>
> Regards /Groete
>
> Marius D. Liebenberg
> +27 82 698 3251
> +27 12 743 6064
> QQ 1767394877
>
>
>
> --
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>


BillsMill.ini
Description: Binary data


BillsMill.hal
Description: Binary data


unl2003.hal
Description: Binary data
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Marius Liebenberg]

Sorry about the double posts my mail client said the message was not 
sent and it could not save it so I redid the message.

On 2014-03-30 08:09, Marius Liebenberg wrote:
> Bill
> I looked at your files but I could see nothing obviously wrong with
> them. Did you ever edit these files with a widows based editor?
> It sometime helps to restart the terminal session if you get funnies
> that just happen without explanation.
>
> Please explain the other strange files in your directory, they are a bit
> confusion.
>
>
> On 2014-03-29 09:44, Bill wrote:
>> Thankyou Marius. So simple when you know how
>>
>>
>>
>> Hi everyone,
>>
>>
>>
>> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
>>
>>
>>
>> When I tried to run LCNC,  it wouldn't run and gave me an error message
>>
>>
>>
>> The attachment includes that error message together with my LinuxCNC folder
>> which will give all my settings
>>
>>
>>
>> Thanks for your help
>>
>>
>>
>> Bill
>>
>>
>>
>>
>>
>> ---Original Message---
>>
>>
>>
>> From: Marius Liebenberg
>>
>> Date: 03/29/14 15:21:00
>>
>> To: emc-users@lists.sourceforge.net
>>
>> Subject: Re: [Emc-users] Error Messages
>>
>>
>>
>> There is a button at the bottom of the screen "Select All" Press that
>>
>> and then open gedit. Right click and paste the contents of the error screen.
>>
>>
>>
>>
>>
>> On 2014-03-29 05:41, Bill Brettle wrote:
>>
>>> My Mill would not connect and I received a fairly long message entitled
>>> "LinuxCNC Errors" which stated in the header "When reporting
>>> problems,please include all the information below in your message."
>>> However, I cannot copy, print, or in any other may transmit this
>>> information.
>>> ?
>>> Regards Bill  [?]
>> -
>>
>>
>>> ___
>>> Emc-users mailing list
>>> Emc-users@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>>
>> --
>>
>>
>>
>> Regards /Groete
>>
>>
>>
>> Marius D. Liebenberg
>>
>> +27 82 698 3251
>>
>> +27 12 743 6064
>>
>> QQ 1767394877
>>
>>
>>
>> -
>>
>>
>> ___
>>
>> Emc-users mailing list
>>
>> Emc-users@lists.sourceforge.net
>>
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>>
>> --
>>
>>
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users

-- 

Regards /Groete

Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064
QQ 1767394877


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Re: [Emc-users] Linuxcnc stepper mill configuration

[Marius Liebenberg]

Bill
I looked at your files but I could see nothing obviously wrong with 
them. Did you ever edit these files with a widows based editor?
It sometime helps to restart the terminal session if you get funnies 
that just happen without explanation.

Please explain the other strange files in your directory, they are a bit 
confusion.


On 2014-03-29 09:44, Bill wrote:
> Thankyou Marius. So simple when you know how
>
>
>
> Hi everyone,
>
>
>
> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
>
>
>
> When I tried to run LCNC,  it wouldn't run and gave me an error message
>
>
>
> The attachment includes that error message together with my LinuxCNC folder
> which will give all my settings
>
>
>
> Thanks for your help
>
>
>
> Bill
>
>   
>
>   
>
> ---Original Message---
>
>   
>
> From: Marius Liebenberg
>
> Date: 03/29/14 15:21:00
>
> To: emc-users@lists.sourceforge.net
>
> Subject: Re: [Emc-users] Error Messages
>
>   
>
> There is a button at the bottom of the screen "Select All" Press that
>
> and then open gedit. Right click and paste the contents of the error screen.
>
>   
>
>   
>
> On 2014-03-29 05:41, Bill Brettle wrote:
>
>> My Mill would not connect and I received a fairly long message entitled
>> "LinuxCNC Errors" which stated in the header "When reporting
>> problems,please include all the information below in your message."
>> However, I cannot copy, print, or in any other may transmit this
>> information.
>> ?
>> Regards Bill  [?]
> -
>
>
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>   
>
> --
>
>   
>
> Regards /Groete
>
>   
>
> Marius D. Liebenberg
>
> +27 82 698 3251
>
> +27 12 743 6064
>
> QQ 1767394877
>
>   
>
> -
>
>
> ___
>
> Emc-users mailing list
>
> Emc-users@lists.sourceforge.net
>
> https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
> --
>
>
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users

-- 

Regards /Groete

Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064
QQ 1767394877

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Marius Liebenberg]

Bill
I looked at your files but I could not see anything wrong with them. Did 
you ever edit these files in a windows editor?
Sometimes it helps to restart the terminal session whe you get funnies 
that cannot be explained.

Please explain the other strange files in your directory, they dont make 
sense at all.



On 2014-03-29 09:44, Bill wrote:
> Thankyou Marius. So simple when you know how
>
>
>
> Hi everyone,
>
>
>
> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
>
>
>
> When I tried to run LCNC,  it wouldn't run and gave me an error message
>
>
>
> The attachment includes that error message together with my LinuxCNC folder
> which will give all my settings
>
>
>
> Thanks for your help
>
>
>
> Bill
>
>   
>
>   
>
> ---Original Message---
>
>   
>
> From: Marius Liebenberg
>
> Date: 03/29/14 15:21:00
>
> To: emc-users@lists.sourceforge.net
>
> Subject: Re: [Emc-users] Error Messages
>
>   
>
> There is a button at the bottom of the screen "Select All" Press that
>
> and then open gedit. Right click and paste the contents of the error screen.
>
>   
>
>   
>
> On 2014-03-29 05:41, Bill Brettle wrote:
>
>> My Mill would not connect and I received a fairly long message entitled
>> "LinuxCNC Errors" which stated in the header "When reporting
>> problems,please include all the information below in your message."
>> However, I cannot copy, print, or in any other may transmit this
>> information.
>> ?
>> Regards Bill  [?]
> -
>
>
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>   
>
> --
>
>   
>
> Regards /Groete
>
>   
>
> Marius D. Liebenberg
>
> +27 82 698 3251
>
> +27 12 743 6064
>
> QQ 1767394877
>
>   
>
> -
>
>
> ___
>
> Emc-users mailing list
>
> Emc-users@lists.sourceforge.net
>
> https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
> --
>
>
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users

-- 

Regards /Groete

Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064
QQ 1767394877

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Saturday 29 March 2014 18:18:45 andy pugh did opine:

> Having looked at the config which you attached, I am rather puzzled.
> There seem to be many more files than I would expect, files named the
> same as pins. Very peculiar.
> 
How did you unpack that zip? I couldn't get anything out of it that was 
readable here.

To Bill:  Please do not archive or compress the files, just attach them.  
Generally our email agents can read it just fine then.

> On 29 March 2014 20:41, andy pugh  wrote:
> > On 29 March 2014 07:44, Bill  wrote:
> >> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
> > 
> > What did you edit it with?
> > 
> > The error message is:
> > 
> > BillsMill.hal:1: Unknown command 'شھّ'
> > 
> > Which looks like the hal file is not a plain text file any more.
> > 
> > 
> > --
> > atp
> > If you can't fix it, you don't own it.
> > http://www.ifixit.com/Manifesto


Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 


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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

Having looked at the config which you attached, I am rather puzzled.
There seem to be many more files than I would expect, files named the
same as pins. Very peculiar.


On 29 March 2014 20:41, andy pugh  wrote:
> On 29 March 2014 07:44, Bill  wrote:
>
>> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
>>
>
> What did you edit it with?
>
> The error message is:
>
> BillsMill.hal:1: Unknown command 'Ôªø'
>
> Which looks like the hal file is not a plain text file any more.
>
>
> --
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto



-- 
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If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 29 March 2014 07:44, Bill  wrote:

> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
>

What did you edit it with?

The error message is:

BillsMill.hal:1: Unknown command 'Ôªø'

Which looks like the hal file is not a plain text file any more.


-- 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Marius Liebenberg]

Dont worry it took me a while first time as well.
On 2014-03-29 09:44, Bill wrote:
> Thankyou Marius. So simple when you know how
>
>
>
> Hi everyone,
>
>
>
> I rewrote my BillsMill.hal based on one in LinuxCNC forum Sept 2012
>
>
>
> When I tried to run LCNC,  it wouldn't run and gave me an error message
>
>
>
> The attachment includes that error message together with my LinuxCNC folder
> which will give all my settings
>
>
>
> Thanks for your help
>
>
>
> Bill
>
>   
>
>   
>
> ---Original Message---
>
>   
>
> From: Marius Liebenberg
>
> Date: 03/29/14 15:21:00
>
> To: emc-users@lists.sourceforge.net
>
> Subject: Re: [Emc-users] Error Messages
>
>   
>
> There is a button at the bottom of the screen "Select All" Press that
>
> and then open gedit. Right click and paste the contents of the error screen.
>
>   
>
>   
>
> On 2014-03-29 05:41, Bill Brettle wrote:
>
>> My Mill would not connect and I received a fairly long message entitled
>> "LinuxCNC Errors" which stated in the header "When reporting
>> problems,please include all the information below in your message."
>> However, I cannot copy, print, or in any other may transmit this
>> information.
>> ?
>> Regards Bill  [?]
> -
>
>
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>   
>
> --
>
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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 28 March 2014 02:50, Bill  wrote:
>
> I can't see how to do any of this with the stepconfig wizard, and if I just
> edit the BillsMill.hal file it will revert when I sun stepcon

That's just the way it is if you have an unconventional setup. (ie,
not step-dir drives).

See Stepconf as a utility to give you the basic file structure, and
then make all further config changes by editing the INI and HAL.

You can save a tiny bit of CPU by removing the addf parport.0.reset line.

-- 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Friday 28 March 2014 00:47:59 Bill did opine:

> Hi everyone
> 
> After three weeks I've got the latency down under 10,000 and received
> and installed my breakout board. Now I'm trying to get it going.
> 
> With unipolar stepper motors and 2 wire uln2003 stepper drivers need to
> alter the  to 5,5,5 or 6,6,6 , the step and
> direction to A- and B+ , and remove the  reset 1> command. ( thanks Andy for the linuxcnc forum of Sept 2012)
> 
> I can't see how to do any of this with the stepconfig wizard, and if I
> just edit the BillsMill.hal file it will revert when I sun stepconf.
> 
> So please let me know how I can edit this confuguration.
> 
> Regards Bill
> 
Long time between posts, Bill.

Stepconfig was designed to get you going, so the machine could be moved.

But once I had done that, I have never ran it again.  The formats in the 
BillsMill.ini and BillsMill.hal can be edited with something like gedit to 
fine tune and improve how the machine works.

Since you are driving the uln2003 unipolar drivers directly, you do not 
want the parport reset statement in your .hal file.

So remove this line near the top of your .hal file

setpparport.0.reset-timesomenumber

Then scroll down thru the file, removing any statements like this

setpparport.0.pin-02-out-reset  1

That follow any of xstepA,B,C, ystepA,B,C, or zstepA,B,C assignments to 
that same pin-##-out

That should get you moving, albeit at limited power & speed with that 
driver.  And it might need current limiting resistors to prevent 
overheating the ULN2003, IIRC its current limit is half an amp for all 
combined outputs.  Some ohms law checks will determine that at the drivers 
supply voltage.  Using higher voltage, up to 90% of the the uln2003's 
ratings, with current limiting resistors (they will be big power types and 
will get hot) will gain you speed.

How many wires on your motors? 5,5,5 might not be the correct stepgen mode 
in the "loadrt" line that calls it in to be used.

Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 


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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill]

Hi everyone

After three weeks I've got the latency down under 10,000 and received and
installed my breakout board. Now I'm trying to get it going. 

With unipolar stepper motors and 2 wire uln2003 stepper drivers need to
alter the  to 5,5,5 or 6,6,6 , the step and
direction to A- and B+ , and remove the 
command. ( thanks Andy for the linuxcnc forum of Sept 2012)

I can't see how to do any of this with the stepconfig wizard, and if I just
edit the BillsMill.hal file it will revert when I sun stepconf.

So please let me know how I can edit this confuguration.

Regards Bill 
 
 
 
 
---Original Message---
 
From: Gene Heskett
Date: 03/08/14 14:40:52
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Linuxcnc stepper mill configuration
 
On Friday 07 March 2014 23:06:00 Bill did opine:
 
> Hi Gene and Andy
>
> I guess I'm convinced that I need bigger motors but until I see some
> movement I don't want to do anything.
 
If you want to see movement without letting the smoke out, and here I am
assuming the + end of your 24 volt supply is being fed to the common
centertap of all windings of the motor, you need a current limiter to
protect the ULN2003 that will only allow about .5 amps to flow.  IIRC from
reading the spec sheet that the winding R was around 5 ohms for the
unipolar version.  Basically you will need to drop 21.5 more volts in order
to arrive at the .5 amp current figure. At .5 amps, the 5 ohm winding will
be dropping 2.5 volts.  So 24-2.5=21.5, times 2 because its .5 amps, that
would be a 43 ohm resistor and it will need to be sized for a wattage
dissipation of a hair over 20 watts. A 50 ohm 25 watt adjustable power
resistor, using most of it would be about right.  Then you can apply power
and see if the motor runs when jogged.  It probably won't run long enough
to see it jog without that current limiting resistor.
 
> What Torque do you both Suggest
 
The comments re ball screws vs conventional is quite valid, the ball screw
moves at 95+% energy efficiency, while the conventional screw, even in ACME
thread, is about 35% at best because you'll need to count the drag of the
threads in the nut and the drag of the end thrust containment. And the ball
screws, properly fitted will have backlashes in the thousandth of an inch
or less, whereas the conventional screw and nut can wear from 3 thou if
just adjusted, to 7 thou in one half hour long job. To get drive power,
fairly fine threads are used on the regular screw, but the ball screws have
relatively coarse threads. a single start 16mm ball screw will move the
table 5mm per turn for example. Typical gains would be 2 times faster, and
twice as much push with the ball screw.
 
In short, make it work with what you have, and if thats not good enough,
you "scratch the next itch".  Its what I've been doing for the last 65
years since I quit school & went to work fixing these new-fangled things
called tv's for a living, about 1948 or 49.  Switched to broadcasting by
getting a 1st phone in '62, and the rest is history, working the last 18
years that I worked as the Chief and often only engineer at WDTV.
>
> I'll carry on with calculations in the meantime then I can shop around.
>
> Thanks again
> Bill
>
 
 
Cheers, Gene
--
"There are four boxes to be used in defense of liberty:
  soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
 
NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.
 
 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Friday 07 March 2014 23:06:00 Bill did opine:

> Hi Gene and Andy
> 
> I guess I'm convinced that I need bigger motors but until I see some
> movement I don't want to do anything.

If you want to see movement without letting the smoke out, and here I am 
assuming the + end of your 24 volt supply is being fed to the common 
centertap of all windings of the motor, you need a current limiter to 
protect the ULN2003 that will only allow about .5 amps to flow.  IIRC from 
reading the spec sheet that the winding R was around 5 ohms for the 
unipolar version.  Basically you will need to drop 21.5 more volts in order 
to arrive at the .5 amp current figure. At .5 amps, the 5 ohm winding will 
be dropping 2.5 volts.  So 24-2.5=21.5, times 2 because its .5 amps, that 
would be a 43 ohm resistor and it will need to be sized for a wattage 
dissipation of a hair over 20 watts. A 50 ohm 25 watt adjustable power 
resistor, using most of it would be about right.  Then you can apply power 
and see if the motor runs when jogged.  It probably won't run long enough 
to see it jog without that current limiting resistor.

> What Torque do you both Suggest

The comments re ball screws vs conventional is quite valid, the ball screw 
moves at 95+% energy efficiency, while the conventional screw, even in ACME 
thread, is about 35% at best because you'll need to count the drag of the 
threads in the nut and the drag of the end thrust containment. And the ball 
screws, properly fitted will have backlashes in the thousandth of an inch 
or less, whereas the conventional screw and nut can wear from 3 thou if 
just adjusted, to 7 thou in one half hour long job. To get drive power, 
fairly fine threads are used on the regular screw, but the ball screws have 
relatively coarse threads. a single start 16mm ball screw will move the 
table 5mm per turn for example. Typical gains would be 2 times faster, and 
twice as much push with the ball screw.

In short, make it work with what you have, and if thats not good enough, 
you "scratch the next itch".  Its what I've been doing for the last 65 
years since I quit school & went to work fixing these new-fangled things 
called tv's for a living, about 1948 or 49.  Switched to broadcasting by 
getting a 1st phone in '62, and the rest is history, working the last 18 
years that I worked as the Chief and often only engineer at WDTV.
> 
> I'll carry on with calculations in the meantime then I can shop around.
> 
> Thanks again
> Bill
> 


Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.


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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Friday 07 March 2014 22:46:26 andy pugh did opine:

> On 8 March 2014 02:27, Gene Heskett  wrote:
> > And that 24 volts, that is 9 more than the ULN2003 will be happy at
> 
> No, the ULN is rated to 50V

It might be rated at 50 volts Andy, but its also rated at .5 amps.  It 
doesn't chop to regulate the motors current.  Ergo it turns on with 50 
volts available, the motor has perhaps 6 ohms of resistance per winding.  
So you either put a 100 ohm lotsa watts resistor in series with the winding 
centertap, or you have a bowl of popcorn with bits of epoxy B scattered 
about. Thats a good way to get a decent speed but wastes a lot of power 
too.

The Fairchild (old) data sheet I looked at tonight recommended 15 volts or 
less.  The package is still a 16 or 18 pin dip, and more than 2 watts 
dissipation will soon cook it.  The minidip doesn't lend itself to having 
heat sinks glued to it.  With the thermal R of the package, you might get 
by, with a good heat sink, 650 ma through it.  I have blown a couple 
playing.  Its not at all hard to do with a 3 amp, 13 volt CB radio supply.

Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.


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Re: [Emc-users] Linuxcnc stepper mill configuration

[Kirk Wallace]

On 03/07/2014 05:56 PM, Bill wrote:
> Thanks Andy
>
> How do I do speed/force/power calculations?
>
> Bill

You could try to fit a pulley to where the hand wheels are now. Then 
wrap with a string and hang a weight to the string. Keep adding weight 
until the axis moves the way you want. The torque will be the weight 
times the radius of the pulley. A spring scale would probably more 
convenient to use, if you happen to have one. You will also need to add 
some torque to account for cutting forces. If you have leadscrews 
instead of ball screws, the cutting torque will need to be much higher. 
I strongly suggest having preloaded ball screws to reduce the torque 
needed, but more importantly, get rid of backlash.


-- 
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http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/

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Re: [Emc-users] Linuxcnc stepper mill configuration

[jeremy youngs]

http://pminmo.com/
this is a great site to find calculations and explanations on , i studied
it intently , good luck



jeremy youngs


On Fri, Mar 7, 2014 at 9:42 PM, Bill  wrote:

> Hi Gene and Andy
>
> I guess I'm convinced that I need bigger motors but until I see some
> movement I don't want to do anything.
>
> What Torque do you both Suggest
>
> I'll carry on with calculations in the meantime then I can shop around.
>
> Thanks again
> Bill
>
>
>
>
> --
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> Perforce.
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill]

Hi Gene and Andy

I guess I'm convinced that I need bigger motors but until I see some
movement I don't want to do anything.

What Torque do you both Suggest

I'll carry on with calculations in the meantime then I can shop around.

Thanks again
Bill
 
 
 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 8 March 2014 02:27, Gene Heskett  wrote:
> And that 24 volts, that is 9 more than the ULN2003 will be happy at

No, the ULN is rated to 50V



-- 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Friday 07 March 2014 21:04:23 Bill did opine:

> Hi Gene
> 
> I've attached it as a PDF
> 
> Bill
> 
Looks like and reads like the same motor as my html link below.  And at 
only 24 volts, the speed is perhaps 200 rpm maximum.  I'm with Andy over 
across the pond, thats awful small.

And that 24 volts, that is 9 more than the ULN2003 will be happy at unless 
enough series resistance is inserted in the common leg of the motor to make 
sure the total currents do not exceed 500ma.  Otherwise the chip will break 
its mirror and let out the smoke. Without the smoke, they never work again.

Can you put a pix of this machine up one of the pastebin's.?  Set it to 
expire in 2 or 3 days and post the link pastebin gives you.  Put something 
on the table, like a 12 oz can of soda so we can judge scale a bit better.
> 
> 
> ---Original Message---
> 
> From: Gene Heskett
> Date: 8/03/2014 10:48:23 AM
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] Linuxcnc stepper mill configuration
> 
> On Friday 07 March 2014 19:22:40 Bill did opine:
> > Hi Gene
> > 
> > Sorry the link got mixed up in the email so here it goes again, I've
> > emailed it to myself as well so I can check it.
> > 
> > http://www.robosoftsystems.co
> > in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%2
> > 0M otor pdf
> 
> Link still bummed here,
> as I see it, it should be
> 
> <http://www.robosoftsystems.co.in/roboshop/Minbea%2014PM-
> M201%20Unipolar%20Motor.pdf>
> 
> I haven't turned word wrap off, but that should work for 99% of the
> email agents and browsers out there.  You'll note that I surrounded it
> with <>, and I added 2 periods that are missing in your text above.
> 
> Except that it doesn't, lemme go find it again.
> 
> The link from here, to the html page is:
> 
> <http://www.robosoftsystems.co.in/roboshop/index.php/motor-
> accessories/servo-stepper-motors/minebea-14pm-m201-unipolar-stepper-
> motor.html>
> 
> should get you to the web page of that motor.  Where the .pdf's are I
> haven't a clue. But I think from the model number that it is the same
> motor.
> 
> Is it?
> 
> > Regards Bill
> > 
> > PS Broncos won, after the very hot days of February this is not too
> > bad. Mostly night games.B
> 
> Hope you enjoyed it. I'm not that huge a football fan but must say I do
> enjoy a well played, everyone equal game now and then.
> 
> Cheers, Gene
> --
> "There are four boxes to be used in defense of liberty:
>   soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page <http://geneslinuxbox.net:6309/gene>
> 
> NOTICE: Will pay 100 USD for an HP-4815A defective but
> complete probe assembly.
> 
> 
> 
> -
> 
> Subversion Kills Productivity. Get off Subversion & Make the Move to
> Perforce.
> With Perforce, you get hassle-free workflows. Merge that actually works.
> Faster operations. Version large binaries.  Built-in WAN optimization
> and the
> freedom to use Git, Perforce or both. Make the move to Perforce.
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Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.


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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 8 March 2014 01:56, Bill  wrote:

> How do I do speed/force/power calculations?

Well, basically, you use Physics. Where do you want to start?

Binary question search 1: Do you know what torque is?

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill]

Thanks Andy

How do I do speed/force/power calculations?

Bill
 
 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 8 March 2014 00:44, Gene Heskett  wrote:
>> http://www.robosoftsystems.co
>> in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20M
>> otor pdf
>>
> Link still bummed here,

Using Peter Blodow's version of the link I found a truly tiny stepper.

Holding Torque Nm (kg.cm)
0.049 (0.5)

My lathe uses 2.5 Nm steppers and is OK, but can't push a big drill.
Your steppers can move the table with the right gearing, but that will
not be a fast machine. Have you (Bill)  done any
speed/force/torque/power calculations?

It is possible that I am wrong, but your motors seem undersized by
orders of magnitude.

-- 
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Friday 07 March 2014 19:22:40 Bill did opine:

> Hi Gene
> 
> Sorry the link got mixed up in the email so here it goes again, I've
> emailed it to myself as well so I can check it.
> 
> http://www.robosoftsystems.co
> in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20M
> otor pdf
> 
Link still bummed here,
as I see it, it should be 



I haven't turned word wrap off, but that should work for 99% of the email 
agents and browsers out there.  You'll note that I surrounded it with <>, 
and I added 2 periods that are missing in your text above.

Except that it doesn't, lemme go find it again.

The link from here, to the html page is:



should get you to the web page of that motor.  Where the .pdf's are I 
haven't a clue. But I think from the model number that it is the same 
motor.

Is it?

> Regards Bill
> 
> PS Broncos won, after the very hot days of February this is not too bad.
> Mostly night games.B

Hope you enjoyed it. I'm not that huge a football fan but must say I do 
enjoy a well played, everyone equal game now and then.

Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.


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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill]

Hi Gene

Sorry the link got mixed up in the email so here it goes again, I've emailed
it to myself as well so I can check it.

http://www.robosoftsystems.co
in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20Motor
pdf
 
Regards Bill

PS Broncos won, after the very hot days of February this is not too bad.
Mostly night games.B
 
 
---Original Message---
 
From: Gene Heskett
Date: 03/07/14 21:30:12
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Linuxcnc stepper mill configuration
 
On Friday 07 March 2014 06:25:36 Bill did opine:
 
> Hi Gene
>
> Well I sat down this afternoon and worked on the configuration from
> scratch and it seemed to go OK . I can't try it yet because I am still
> waiting for the Breakout boards, they are on a slow boat from China. I
> still have to work out how to change the hal to make the stepconf type
> 5 as my steppers and driver don't suit step/dir.
>
> I am actually building it because I am experimenting with Magnetic
> Motors and Wind Generators. The shaft and rotors on the magentic can
> spin very fast so the rotors have to be very accurate. More accurate
> than I can make with a circle cutter and spade bits.
>
> I am considering counter balancing the z axis as this is the heaviest
> load on the motors, the motors will be running on 19 volts so that
> should give them some oomph.
>
> My wife just came home from the church Kid's Club she's helping with a
> the moment. We've had our tea of a meat and a chicken  hot5 pie.
> Delicious!!
>
> I've just taken a guess with the motor sizes but if they are too slow
> I'll just have to upgrade, but slow speed is not a great problem it can
> take all day if it needs to. I'm looking at the linuxcnc documentation
> on fixing SMI issues at the moment to see if I can get away from the
> potholes with the computer. I'm getting about 30,000ns max Jitter at
> the moment. This is a dedicated computer, it isn't even connected to
> the Internet (Linux Livid won t recognise the USB Dongle).
>
>  This was meant to be an economy project but a few cooked Arduino boards
> has blown the budget.
>
> These are the links to the breakout board and the Stepper motors (For
> which I gave the wrong size)
> http://www.tecnoflexo.com.br/site/fotos/download/17/17.pdf
 
Which looks like a capable interface/breakout.
 
> http://www.robosoftsystems.co
> in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20M
> otor pdf
 
This one does not resolve even when stripped to the basic site name.
IOW, unreachable from here.
>
> It's great to have our advice, I've been googling everywhere and never
> found how to contact people like this.
>
>  Thankyou for your advice.
>
> Regards Bill
>
> ( I'm off to watch the football, the local team the Brisbane Broncos are
> playing the North Queensland Cowboys for the first game of the year)  B
>
> 
> -- Subversion Kills Productivity. Get off Subversion & Make the Move
> to Perforce. With Perforce, you get hassle-free workflows. Merge that
> actually works. Faster operations. Version large binaries.  Built-in
> WAN optimization and the freedom to use Git, Perforce or both. Make the
> move to Perforce.
> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.c
> lktrk ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
 
 
Cheers, Gene
--
"There are four boxes to be used in defense of liberty:
  soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
 
NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.
 
 
-

Subversion Kills Productivity. Get off Subversion & Make the Move to
Perforce.
With Perforce, you get hassle-free workflows. Merge that actually works.
Faster operations. Version large binaries.  Built-in WAN optimization and
the
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Peter Blodow]

Gentlemen,
due to the automatic line feed and another error there are two dots 
missing in the URL.

Correlctly it has to be:



Greetings
Peter

Am 07.03.2014 12:27, schrieb Gene Heskett:

http://www.robosoftsystems.co
in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20M
otor pdf

> This one does not resolve even when stripped to the basic site name.
> IOW, unreachable from here.
>


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Re: [Emc-users] Linuxcnc stepper mill configuration

[andy pugh]

On 7 March 2014 04:35, Gene Heskett  wrote:
>> I have minebea 17PM-M201-02 6wire HYbrid stepper motors driven by
>> ULN2003a 2 wire drivers unipolar.
>
> This seems a bit puny to me, or your are geared down pretty slow, and with
> the voltage limits imposed by those drivers, it is not going to be very
> fast.

ULN2003 can go to 50V, though the current capability isn't huge.

Unipolar is a bit old-school. I am fairly sure that any unipolar motor
can be run bipolar, and eBay is awash with cheap multi-axis drives.


-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Friday 07 March 2014 06:25:36 Bill did opine:

> Hi Gene
> 
> Well I sat down this afternoon and worked on the configuration from
> scratch and it seemed to go OK . I can't try it yet because I am still
> waiting for the Breakout boards, they are on a slow boat from China. I
> still have to work out how to change the hal to make the stepconf type
> 5 as my steppers and driver don't suit step/dir.
> 
> I am actually building it because I am experimenting with Magnetic
> Motors and Wind Generators. The shaft and rotors on the magentic can
> spin very fast so the rotors have to be very accurate. More accurate
> than I can make with a circle cutter and spade bits.
> 
> I am considering counter balancing the z axis as this is the heaviest
> load on the motors, the motors will be running on 19 volts so that
> should give them some oomph.
> 
> My wife just came home from the church Kid's Club she's helping with a
> the moment. We've had our tea of a meat and a chicken  hot5 pie.
> Delicious!!
> 
> I've just taken a guess with the motor sizes but if they are too slow
> I'll just have to upgrade, but slow speed is not a great problem it can
> take all day if it needs to. I'm looking at the linuxcnc documentation
> on fixing SMI issues at the moment to see if I can get away from the
> potholes with the computer. I'm getting about 30,000ns max Jitter at
> the moment. This is a dedicated computer, it isn't even connected to
> the Internet (Linux Livid won t recognise the USB Dongle).
> 
>  This was meant to be an economy project but a few cooked Arduino boards
> has blown the budget.
> 
> These are the links to the breakout board and the Stepper motors (For
> which I gave the wrong size)
> http://www.tecnoflexo.com.br/site/fotos/download/17/17.pdf

Which looks like a capable interface/breakout.

> http://www.robosoftsystems.co
> in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20M
> otor pdf

This one does not resolve even when stripped to the basic site name.
IOW, unreachable from here.
> 
> It's great to have our advice, I've been googling everywhere and never
> found how to contact people like this.
> 
>  Thankyou for your advice.
> 
> Regards Bill
> 
> ( I'm off to watch the football, the local team the Brisbane Broncos are
> playing the North Queensland Cowboys for the first game of the year)  B
> 
> 
> -- Subversion Kills Productivity. Get off Subversion & Make the Move
> to Perforce. With Perforce, you get hassle-free workflows. Merge that
> actually works. Faster operations. Version large binaries.  Built-in
> WAN optimization and the freedom to use Git, Perforce or both. Make the
> move to Perforce.
> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.c
> lktrk ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users


Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.


--
Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
With Perforce, you get hassle-free workflows. Merge that actually works. 
Faster operations. Version large binaries.  Built-in WAN optimization and the
freedom to use Git, Perforce or both. Make the move to Perforce.
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Friday 07 March 2014 05:34:21 Bill did opine:

> Hi Gene
> 
> Well I sat down this afternoon and worked on the configuration from
> scratch and it seemed to go OK . I can't try it yet because I am still
> waiting for the Breakout boards, they are on a slow boat from China. I
> still have to work out how to change the hal to make the stepconf type
> 5 as my steppers and driver don't suit step/dir.
> 
> I am actually building it because I am experimenting with Magnetic
> Motors and Wind Generators. The shaft and rotors on the magentic can
> spin very fast so the rotors have to be very accurate. More accurate
> than I can make with a circle cutter and spade bits.
> 
> I am considering counter balancing the z axis as this is the heaviest
> load on the motors, the motors will be running on 19 volts so that
> should give them some oomph.
> 
> My wife just came home from the church Kid's Club she's helping with a
> the moment. We've had our tea of a meat and a chicken  hot5 pie.
> Delicious!!
> 
> I've just taken a guess with the motor sizes but if they are too slow
> I'll just have to upgrade, but slow speed is not a great problem it can
> take all day if it needs to. I'm looking at the linuxcnc documentation
> on fixing SMI issues at the moment to see if I can get away from the
> potholes with the computer. I'm getting about 30,000ns max Jitter at
> the moment. This is a dedicated computer, it isn't even connected to
> the Internet (Linux Livid won t recognise the USB Dongle).

30,000ns jitter?  That isn't very good although we did stumble around with 
similar figure 10 years ago.  I think the worst box I ever tried had jitter 
in milliseconds, but it was also running the nvidia closed source drivers. 
Changing to the VESA drivers brought it under 20 u-s, 20,000 ns, and it 
would run my mill up to about 7 or 8 ipm.  The intel atom boards many of us 
are using now will show jitters in the 2000 to 3500 ns range and can run my 
lathe, which has more motor voltage, at 60 ipm for the Z, Y is similar, but 
runs into the end of the screw since the range is only a fat 2", so fast 
its hard to tell.
> 
>  This was meant to be an economy project but a few cooked Arduino boards
> has blown the budget.
> 
I hear that!  I have a collection of the xylotex driver boards I raid for 
heat sinks occasionally.  Currently using a 7 pack of the 2M542 drivers 
from eBay. Bulletproof it seems.

> These are the links to the breakout board and the Stepper motors (For
> which I gave the wrong size)
> http://www.tecnoflexo.com.br/site/fotos/download/17/17.pdf
> http://www.robosoftsystems.co
> in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20M
> otor pdf
>
I'll look at these after I hit send, the links are a bit mangled here.  I 
should have advised that when posting a link, surround them with a pair of 
<>, the majority of email agents will search more that one line looking for 
the > and the browser is much happier.
  
> It's great to have our advice, I've been googling everywhere and never
> found how to contact people like this.
> 
>  Thankyou for your advice.

Let me be first to advertise that I did not write the bible on this.  This 
is the users list, and for getting your hands dirty, there is also a 
developers list.  Many of the authors and code contributers hang out on 
both lists however.  There is also wiki.linuxcnc.org where you can grab the 
latest docs, or maybe figure out how to do something semi-odd.

The developers are, ATM, largely tied up trying to get the next, V2.6.0 
release out the door.  If you haven't updated since the cd install, the 
current 2.5.3 is quite an upgrade over the cd version and I think, 
compatible with most of the old configuration options. Do a "sudo update-
manager", enter your user password, don't let it upgrade to 12.04, but do 
let it update everything else. That does need a net connection of course, 
but not direct, your local net should be NAT'ed in the router as it will 
then be protected by the routers firewall.  I like a router with enough 
resources to be reflashable with DD.WRT, its solid enough the hackers see 
what it is and give up. If they can elicit a response from it, but that is 
up to you and how you have it configured.

The most recent addition to my mill is an 'endoscope' camera to help me 
register the front and back sides of a pcb, or some such twaddle.  Ball 
screws are laying on top of the tool cabinet for it also, but I broke the 
drive on my toy lathe while getting started on the nut holders for the 
screws, and don't quite have it back among the living yet. Putting a 1 hp 
treadmill motor on a 7x12 is pushing drive components into the high failure 
mode. :)  By the weekend perhaps,

> Regards Bill
> 
> ( I'm off to watch the football, the local team the Brisbane Broncos are
> playing the North Queensland Cowboys for the first game of the year)  B

Is it cool enough to play already?  We still have snow here.

Cheers, Gene
-- 
"There are four box

Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill]

Hi Gene

Well I sat down this afternoon and worked on the configuration from scratch
and it seemed to go OK . I can't try it yet because I am still waiting for
the Breakout boards, they are on a slow boat from China. I still have to
work out how to change the hal to make the stepconf type 5 as my steppers
and driver don't suit step/dir.

I am actually building it because I am experimenting with Magnetic Motors
and Wind Generators. The shaft and rotors on the magentic can spin very fast
so the rotors have to be very accurate. More accurate than I can make with a
circle cutter and spade bits.

I am considering counter balancing the z axis as this is the heaviest load
on the motors, the motors will be running on 19 volts so that should give
them some oomph. 

My wife just came home from the church Kid's Club she's helping with a the
moment. We've had our tea of a meat and a chicken  hot5 pie. Delicious!!

I've just taken a guess with the motor sizes but if they are too slow I'll
just have to upgrade, but slow speed is not a great problem it can take all
day if it needs to. I'm looking at the linuxcnc documentation on fixing SMI
issues at the moment to see if I can get away from the potholes with the
computer. I'm getting about 30,000ns max Jitter at the moment. This is a
dedicated computer, it isn't even connected to the Internet (Linux Livid won
t recognise the USB Dongle). 

 This was meant to be an economy project but a few cooked Arduino boards has
blown the budget.

These are the links to the breakout board and the Stepper motors (For which
I gave the wrong size)
http://www.tecnoflexo.com.br/site/fotos/download/17/17.pdf
http://www.robosoftsystems.co
in/roboshop/media/catalog/product/pdf/Minebea%2014PM-M201%20Unipolar%20Motor
pdf

It's great to have our advice, I've been googling everywhere and never found
how to contact people like this.

 Thankyou for your advice.

Regards Bill

( I'm off to watch the football, the local team the Brisbane Broncos are
playing the North Queensland Cowboys for the first game of the year)  B
 
--
Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
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Faster operations. Version large binaries.  Built-in WAN optimization and the
freedom to use Git, Perforce or both. Make the move to Perforce.
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Thursday 06 March 2014 22:56:56 Bill did opine:

New first, we would rather not have to sort the order of reading a message, 
so we discourage top posting.

> Hi Gene
> 
> I building a DIY desktop mill (moving table) 420x300mm bed 3 axis

Nice size, could do, if its level enough, pcb etching nicely, or wood panel 
carving too.
 
> I have minebea 17PM-M201-02 6wire HYbrid stepper motors driven by
> ULN2003a 2 wire drivers unipolar.

This seems a bit puny to me, or your are geared down pretty slow, and with 
the voltage limits imposed by those drivers, it is not going to be very 
fast.  To move fast with steppers, you need high voltage at the driver, and 
the driver needs to enforce the currant limits via high speed choppers.  
The xylotex board can handle up to 2.5 amps of motor at 28 volts applied, 
and I have used them myself, but the A3977 IC that is the heart of those 
does have a tendency to fail with popping noises.  That will drive a nema 
23 motor at 250 oz/in, direct coupled to the screw, in can move a 20 tpi 
screw at 10 ipm while doing a reasonable cut.

> I am using a HY-JK02-m breakout board

Link?  Not at all familiar with what you have in upside down country.

I've got a pair of CNC4PC's C1G interface boards, nice, leds on all signals 
so you can see whats going on pretty easy.
 
> My Computer is a HP thinkcentre Pentium iv Running Linux 10.04 only.

If you have installed using the cdrom image from linuxcnc.org,  Follow that 
instructions to run latency-test to see if that machine is a good 
candidate, quite a few motherboards do not have the required steadiness of 
Irq timing that it takes to run LinuxCNC well.  This translates to losing 
top speeds because the uneven heartbeat leads to motor stalls.

The usual for the man pages is man 9 latency-test for instance.

Then post the "jitter" results.

> The machine has been built for a year but I have been trying to sort out
> the computer side  ever since (Except for four months touring the
> Murray and Murrumbidgee Rivers and cruising around New Zealand, I live
> at Deception Bay in Australia.) I've had enough of Arduino.

The Arduino's generally don't have the muscle, but sitting in the bull pen 
for linuxcnc is the BeagleBone Black, occasionally letting out a roar we 
hear about on this list.  It has copious I/O facilities and some features 
that promise to run steppers even faster than we can on an Intel Atom 
motherboard, which I am using 2 of here.

Interface capes/breakout boards, whatever they are called on the "bones" 
are in final development, sample boards at the board houses from several of 
this lists suppliers.  So watch the list, when they are ready for sale, the 
announcements will probably be right here.

> Thankyou for your quick reply

As I said, welcome to the list, Bill.  I hope you will find it useful, I 
sure have.  And I could use some company in the old farts camp, I am 
halfway around my 80th trip around this star we call the sun myself.
 
> Regards Bill

[...]

Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.


--
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Bill]

Hi Gene

I building a DIY desktop mill (moving table) 420x300mm bed 3 axis

I have minebea 17PM-M201-02 6wire HYbrid stepper motors driven by ULN2003a 2
wire drivers unipolar.

I am using a HY-JK02-m breakout board

My Computer is a HP thinkcentre Pentium iv Running Linux 10.04 only.

The machine has been built for a year but I have been trying to sort out the
computer side  ever since (Except for four months touring the Murray and
Murrumbidgee Rivers and cruising around New Zealand, I live at Deception Bay
in Australia.) I've had enough of Arduino.

Thankyou for your quick reply

Regards Bill
 
 
 
 
---Original Message---
 
From: Gene Heskett
Date: 03/07/14 11:03:08
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Linuxcnc stepper mill configuration
 
On Thursday 06 March 2014 19:54:11 Bill did opine:
 
> Hi Everyone
> My Name is Bill, I'm an aged pensioner and new to cnc
>
> When I open the linuxcnc configuration wizard and click "modify a
> Configuration" I am sent to a "Modify Existing configuration" window.
>
> I select the machine I wish to use and click "open" but nothing happens.
>
> What am I doing wrong.
>
> Regards Bill
 
First, welcome Bill, its a great hobby for the later years, been retired
close to 12 years myself.
 
Second, it sounds as if you ran the servo configurator rather than the
stepgen config generator, so lets start by asking you to describe your
machine.
 
Mill, lathe, some other critter?
 
what kind of motors?
 
what kind of motor drivers?
 
general description of the driving computer?
 
 
Cheers, Gene
--
"There are four boxes to be used in defense of liberty:
  soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
 
NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.
 
 
-

Subversion Kills Productivity. Get off Subversion & Make the Move to
Perforce.
With Perforce, you get hassle-free workflows. Merge that actually works.
Faster operations. Version large binaries.  Built-in WAN optimization and
the
freedom to use Git, Perforce or both. Make the move to Perforce.
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Re: [Emc-users] Linuxcnc stepper mill configuration

[Gene Heskett]

On Thursday 06 March 2014 19:54:11 Bill did opine:

> Hi Everyone
> My Name is Bill, I'm an aged pensioner and new to cnc
> 
> When I open the linuxcnc configuration wizard and click "modify a
> Configuration" I am sent to a "Modify Existing configuration" window.
> 
> I select the machine I wish to use and click "open" but nothing happens.
> 
> What am I doing wrong.
> 
> Regards Bill

First, welcome Bill, its a great hobby for the later years, been retired 
close to 12 years myself.

Second, it sounds as if you ran the servo configurator rather than the 
stepgen config generator, so lets start by asking you to describe your 
machine.

Mill, lathe, some other critter?

what kind of motors?

what kind of motor drivers?

general description of the driving computer?


Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

NOTICE: Will pay 100 USD for an HP-4815A defective but
complete probe assembly.


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[Emc-users] Linuxcnc stepper mill configuration

[Bill]

Hi Everyone
My Name is Bill, I'm an aged pensioner and new to cnc

When I open the linuxcnc configuration wizard and click "modify a
Configuration" I am sent to a "Modify Existing configuration" window.

I select the machine I wish to use and click "open" but nothing happens.

What am I doing wrong.

Regards Bill
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Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
With Perforce, you get hassle-free workflows. Merge that actually works. 
Faster operations. Version large binaries.  Built-in WAN optimization and the
freedom to use Git, Perforce or both. Make the move to Perforce.
http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
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