Re: [Emc-users] Pendant recommendations

[Sven Wesley]

2013/6/10 jrmitchellj . :
> The jog-it is an open source project, so you can reprogram it any way you
> like.
> I agree with you about the home function, and have changed it on my unit.
> (I was one of hte kickstarter investors).
>
> Ray
>
> --J. Ray Mitchell Jr.
> jrmitche...@gmail.com
> (818)324-7573


Unfortunately no response from the guy yet.

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Re: [Emc-users] Pendant recommendations

[jrmitchellj .]

The jog-it is an open source project, so you can reprogram it any way you
like.
I agree with you about the home function, and have changed it on my unit.
(I was one of hte kickstarter investors).

Ray

--J. Ray Mitchell Jr.
jrmitche...@gmail.com
(818)324-7573


“Truth is treason in the Empire of Lies.” — Ron Paul




On Mon, Jun 10, 2013 at 8:03 AM, Dave  wrote:

> On 6/10/2013 10:50 AM, Sven Wesley wrote:
> > 2013/6/2 Bruce Layne:
> >
> >> I highly recommend the JogIt! pendant.
> >>
> > They sure look really fine, but I still don't like the idea of having
> > the home button being the largest most centric object on the pendant.
> > Homing is made once, zeroing would have been much more logical to me.
> > But I'm willing to buy a pair anyway cause I like the idea, I think I
> > have to e-mail the guy again.
> >
> > /S
> >
> >
>
> They were cheap, and the guy was selling them on Ebay, but the last I
> checked he was not there.   Also there was none for sale directly from
> his website.
>
> I agree about the home button.   Why would you even want that on a pendant?
>
> I bought a "standard" Chinese model which is available from many
> different sellers - I'm still waiting for it to arrive from Hong Kong.
>
> Dave Cole
>
>
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Re: [Emc-users] Pendant recommendations

[Dave]

On 6/10/2013 10:50 AM, Sven Wesley wrote:
> 2013/6/2 Bruce Layne:
>
>> I highly recommend the JogIt! pendant.
>>  
> They sure look really fine, but I still don't like the idea of having
> the home button being the largest most centric object on the pendant.
> Homing is made once, zeroing would have been much more logical to me.
> But I'm willing to buy a pair anyway cause I like the idea, I think I
> have to e-mail the guy again.
>
> /S
>
>

They were cheap, and the guy was selling them on Ebay, but the last I 
checked he was not there.   Also there was none for sale directly from 
his website.

I agree about the home button.   Why would you even want that on a pendant?

I bought a "standard" Chinese model which is available from many 
different sellers - I'm still waiting for it to arrive from Hong Kong.

Dave Cole

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Re: [Emc-users] Pendant recommendations

[Sven Wesley]

2013/6/2 Bruce Layne :
> I highly recommend the JogIt! pendant.

They sure look really fine, but I still don't like the idea of having
the home button being the largest most centric object on the pendant.
Homing is made once, zeroing would have been much more logical to me.
But I'm willing to buy a pair anyway cause I like the idea, I think I
have to e-mail the guy again.

/S

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Re: [Emc-users] Pendant recommendations

[Dave]

Thanks John,

I like that.   Simple yet effective.

Dave

On 6/3/2013 11:20 AM, John Thornton wrote:
> I added a front and rear view of the touchscreen on the BP to the gallery.
>
> http://gnipsel.com/shop/bp1/bp1.xhtml
>
> JT
> On 6/3/2013 8:20 AM, Dave wrote:
>
>> On 6/3/2013 8:41 AM, John Thornton wrote:
>>  
>>> I can take a
>>> more recent photo in a bit and add it to my web site if your interested
>>> in seeing it.
>>>
>>>
>> Please do if you have the time.
>>
>> I'm going back and forth on how to mount the screen to the arm..   I may
>> use just use the Vesa mount, but then I have to build/find some type of
>> swivel setup.
>>
>> This was a Boss 5 mill so it already has a substantial arm on the
>> machine already.
>>
>> Thanks,  Dave
>>
>> --
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Re: [Emc-users] Pendant recommendations

[andy pugh]

On 3 June 2013 18:15, Jon Elson  wrote:

> The whole purpose of this is to save digital inputs.

The matrix_kb component might be useful for this too. Things don't
have to be in a square physical array to be wired as a matrix.

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Re: [Emc-users] Pendant recommendations

[Stephen Dubovsky]

FYI, I did something similar to Jon and used only 2 wires for the 3 feed
rates.  Though, I left the smallest (X1) increment as the unconnected one
to use as the default if one of the other two weren't active.  So if the
switch is between positions, flaky contact, broken wire, etc it defaults to
the smallest increment.

Stephen


On Mon, Jun 3, 2013 at 1:15 PM, Jon Elson  wrote:

> Marius Liebenberg wrote:
> > Jon
> > Do you care to elaborate on the diode encoder?
> >
> Down at the bottom of this page is a link to a pdf file with the
> schematic.
> http://pico-systems.com/pendant.html
>
>  This one encoder X, Y and Z, feedrate and spindle
> overrides.  The diodes convert the single pole switch so it
> creates a binary code, which is then decoded in the HAL
> file.  I have HAL files linked there for two versions.  The
> UPC pendant file matches the schematic, the PPMC pendant
> is a bit different, it has 4 axes before the spindle and feedrate
> settings.  These connect to the digital inputs of my
> motion control boards, which require a sinking-type switch.
> In a case where the contacts need a voltage source, the
> diodes would be reversed.
>
> The whole purpose of this is to save digital inputs.  On the
> UPC/Minimill setup, I had already used up all my encoder
> counters, so I interfaced the MPG also through digital
> inputs, and was running very short.  The multiplexing
> allowed me to have 5 or 6 selections (axes plus overrides)
> as well as 3 rate selections with only 5 wires and 5 digital
> inputs.
>
> Jon
>
>
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Re: [Emc-users] Pendant recommendations

[Jon Elson]

Marius Liebenberg wrote:
> Jon
> Do you care to elaborate on the diode encoder?
>   
Down at the bottom of this page is a link to a pdf file with the
schematic.
http://pico-systems.com/pendant.html

 This one encoder X, Y and Z, feedrate and spindle
overrides.  The diodes convert the single pole switch so it
creates a binary code, which is then decoded in the HAL
file.  I have HAL files linked there for two versions.  The
UPC pendant file matches the schematic, the PPMC pendant
is a bit different, it has 4 axes before the spindle and feedrate
settings.  These connect to the digital inputs of my
motion control boards, which require a sinking-type switch.
In a case where the contacts need a voltage source, the
diodes would be reversed.

The whole purpose of this is to save digital inputs.  On the
UPC/Minimill setup, I had already used up all my encoder
counters, so I interfaced the MPG also through digital
inputs, and was running very short.  The multiplexing
allowed me to have 5 or 6 selections (axes plus overrides)
as well as 3 rate selections with only 5 wires and 5 digital
inputs.

Jon

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Re: [Emc-users] Pendant recommendations

[John Thornton]

I added a front and rear view of the touchscreen on the BP to the gallery.

http://gnipsel.com/shop/bp1/bp1.xhtml

JT
On 6/3/2013 8:20 AM, Dave wrote:
> On 6/3/2013 8:41 AM, John Thornton wrote:
>> I can take a
>> more recent photo in a bit and add it to my web site if your interested
>> in seeing it.
>> 
> Please do if you have the time.
>
> I'm going back and forth on how to mount the screen to the arm..   I may
> use just use the Vesa mount, but then I have to build/find some type of
> swivel setup.
>
> This was a Boss 5 mill so it already has a substantial arm on the
> machine already.
>
> Thanks,  Dave
>
> --
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Re: [Emc-users] Pendant recommendations

[andy pugh]

On 3 June 2013 14:22, Dave  wrote:

> Have you had that horizontal mill for a while?   I don't remember seeing
> that in your other photos.

It's a universal mill, and spends most of its time being vertical.
That is it set up in the gear hobbing configuration.
The vertical head is dangling from the ceiling just out of shot (you
can see the chains of the little hoist I use)

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Re: [Emc-users] Pendant recommendations

[Dave]

On 6/3/2013 8:51 AM, andy pugh wrote:
> On 3 June 2013 12:41, John Thornton  wrote:
>
>
>> MPG mount http://gnipsel.com/shop/bp1/bp1-01.xhtml
>> Selector switches http://gnipsel.com/shop/bp1/bp1-07.xhtml
>>  
> My MPG is also fixed, but in a less ergonomic place.
> https://picasaweb.google.com/lh/photo/AfcLxywbiVM3Op2P8rhXFtMTjNZETYmyPJy0liipFm0?feat=directlink
> It is the brass knob under the monitor.
>
> It is actually one of these switches:
> http://www.ebay.co.uk/itm/160392668169
> And because my machine is running resolvers the counting is actually
> by a software counter running in the servo thread. But it seems to
> work fine so far despite only being 16 clicks per rev.
>
>

Nice...  can't beat that MPG for cost!   :-)  Nice PC box also.

Have you had that horizontal mill for a while?   I don't remember seeing 
that in your other photos.

Nice size.

Dave

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Re: [Emc-users] Pendant recommendations

[Dave]

On 6/3/2013 8:41 AM, John Thornton wrote:
> I can take a
> more recent photo in a bit and add it to my web site if your interested
> in seeing it.
>
Please do if you have the time.

I'm going back and forth on how to mount the screen to the arm..   I may 
use just use the Vesa mount, but then I have to build/find some type of 
swivel setup.

This was a Boss 5 mill so it already has a substantial arm on the 
machine already.

Thanks,  Dave

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Re: [Emc-users] Pendant recommendations

[Dave]

On 6/3/2013 8:48 AM, Mark Wendt wrote:
> On Mon, Jun 3, 2013 at 8:42 AM, Dave  wrote:
>
>
>>> Dave,
>>>
>>> I've got both on my machine - one of the Keling MPG's and also a
>>>
>> joystick.
>>  
>>> They have different uses the way I have them set up.  With the MPG, I can
>>> move the machine exactly .1, .01, and .001 in any axis.  With the joy
>>>
>> stick
>>  
>>> I can do rapid moves by holding the stick over.  Depends on what you
>>>
>> want.
>>  
>>> Mark
>>>
>>>
>> --
>>  
>>>
>>>
>> I was thinking that a Joystick would be great for a plasma cutter, but I
>> need to do touch offs with the mill and that is a different situation.
>>
>> I'll see how this Chinese joystick works out.   On the low $ end of
>> pendants, it seems that the Chinese have the market cornered.
>>
>> I don't see the Jog it! being sold on Ebay or anywhere else for that
>> matter.
>>
>> Thanks,
>>
>> Dave
>>
>>  
>
> For touch-offs you are probably better set with the MPG.  Be nice if they
> had a built-in joystick on the MPG I have.  The nice thing about most of
> the joysticks is they're USB, so don't require a second parport.  Also, a
> lot of the MPG's require an adapter to go from the DB25 parallel port to
> the DB-something or other the MPG uses.  The adapter also requires 5 VDC,
> which is gotten from a spare USB port.
>
> Mark
> --
>
>

>>For touch-offs you are probably better set with the MPG.

That is what I was thinking...


I think I will just run it into a cheap BOB and then onto the LPT 
port.   That should make the wiring easy.

Dave



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Re: [Emc-users] Pendant recommendations

[andy pugh]

On 3 June 2013 12:41, John Thornton  wrote:

> MPG mount http://gnipsel.com/shop/bp1/bp1-01.xhtml
> Selector switches http://gnipsel.com/shop/bp1/bp1-07.xhtml

My MPG is also fixed, but in a less ergonomic place.
https://picasaweb.google.com/lh/photo/AfcLxywbiVM3Op2P8rhXFtMTjNZETYmyPJy0liipFm0?feat=directlink
It is the brass knob under the monitor.

It is actually one of these switches:
http://www.ebay.co.uk/itm/160392668169
And because my machine is running resolvers the counting is actually
by a software counter running in the servo thread. But it seems to
work fine so far despite only being 16 clicks per rev.

-- 
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http://www.ifixit.com/Manifesto

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Re: [Emc-users] Pendant recommendations

[Mark Wendt]

On Mon, Jun 3, 2013 at 8:42 AM, Dave  wrote:

> > Dave,
> >
> > I've got both on my machine - one of the Keling MPG's and also a
> joystick.
> > They have different uses the way I have them set up.  With the MPG, I can
> > move the machine exactly .1, .01, and .001 in any axis.  With the joy
> stick
> > I can do rapid moves by holding the stick over.  Depends on what you
> want.
> >
> > Mark
> >
> --
> >
> >
> I was thinking that a Joystick would be great for a plasma cutter, but I
> need to do touch offs with the mill and that is a different situation.
>
> I'll see how this Chinese joystick works out.   On the low $ end of
> pendants, it seems that the Chinese have the market cornered.
>
> I don't see the Jog it! being sold on Ebay or anywhere else for that
> matter.
>
> Thanks,
>
> Dave
>


For touch-offs you are probably better set with the MPG.  Be nice if they
had a built-in joystick on the MPG I have.  The nice thing about most of
the joysticks is they're USB, so don't require a second parport.  Also, a
lot of the MPG's require an adapter to go from the DB25 parallel port to
the DB-something or other the MPG uses.  The adapter also requires 5 VDC,
which is gotten from a spare USB port.

Mark
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Re: [Emc-users] Pendant recommendations

[John Thornton]

The black arm was left over from the Anilam control that I removed. The 
arm pivots but I never pivot it. It would be simple to construct one. I 
now have a desktop touch screen and just popped the cover off the base 
and screwed it down to the arm then put the cover back on. I can take a 
more recent photo in a bit and add it to my web site if your interested 
in seeing it.

JT

On 6/3/2013 7:34 AM, Dave wrote:
> Mounting to the table... that sounds very practical.   I never thought
> of that.
>
> John how are you holding your screen?  Is that something you made up?
>
> Thanks,  Dave
>
>
> On 6/3/2013 7:41 AM, John Thornton wrote:
>> A commercial pendant could be ok on a knee mill if you have the holder
>> for it but I've found just mounting the MPG to the table and having a
>> selector switch for each axis and for increments much easier to operate.
>> I use a joypad on my plasma for rough positioning but it would be
>> awkward to use/store on my BP knee mill.
>>
>> MPG mount http://gnipsel.com/shop/bp1/bp1-01.xhtml
>> Selector switches http://gnipsel.com/shop/bp1/bp1-07.xhtml
>>
>> These are always in the same place so I don't even have to look at them
>> to use them... YMMV
>>
>> JT
>>
>> On 6/2/2013 2:16 PM, Dave wrote:
>> 
>>> I want to buy a pendant for use with a Bridgeport CNC mill I have
>>> converted to Linuxcnc.
>>>
>>> I think I want an MPG with axes selection, but tell me if you disagree.
>>>
>>> I don't want to make my own as I have way too much other work to do
>>> right now.  I am really looking for an off the shelf hardware solution.
>>> If it requires some hal configuration, I am not worried about that.
>>>
>>> What do you guys recommend?
>>>
>>> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>>>
>>> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>>>
>>> How practical are USB joysticks for use as pendants on a milling machine?
>>> If you are using a USB joystick as a pendant, which model are you using??
>>>
>>> Thanks,
>>>
>>> Dave
>>>
>>> --
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Re: [Emc-users] Pendant recommendations

[Dave]

On 6/3/2013 5:08 AM, Mark Wendt wrote:
> On Sun, Jun 2, 2013 at 3:16 PM, Dave  wrote:
>
>
>> I want to buy a pendant for use with a Bridgeport CNC mill I have
>> converted to Linuxcnc.
>>
>> I think I want an MPG with axes selection, but tell me if you disagree.
>>
>> I don't want to make my own as I have way too much other work to do
>> right now.  I am really looking for an off the shelf hardware solution.
>> If it requires some hal configuration, I am not worried about that.
>>
>> What do you guys recommend?
>>
>> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>>
>> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>>
>> How practical are USB joysticks for use as pendants on a milling machine?
>> If you are using a USB joystick as a pendant, which model are you using??
>>
>> Thanks,
>>
>> Dave
>>
>>  
>
> Dave,
>
> I've got both on my machine - one of the Keling MPG's and also a joystick.
> They have different uses the way I have them set up.  With the MPG, I can
> move the machine exactly .1, .01, and .001 in any axis.  With the joy stick
> I can do rapid moves by holding the stick over.  Depends on what you want.
>
> Mark
> --
>
>
I was thinking that a Joystick would be great for a plasma cutter, but I 
need to do touch offs with the mill and that is a different situation.

I'll see how this Chinese joystick works out.   On the low $ end of 
pendants, it seems that the Chinese have the market cornered.

I don't see the Jog it! being sold on Ebay or anywhere else for that matter.

Thanks,

Dave




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Re: [Emc-users] Pendant recommendations

[Dave]

Mounting to the table... that sounds very practical.   I never thought 
of that.

John how are you holding your screen?  Is that something you made up?

Thanks,  Dave


On 6/3/2013 7:41 AM, John Thornton wrote:
> A commercial pendant could be ok on a knee mill if you have the holder
> for it but I've found just mounting the MPG to the table and having a
> selector switch for each axis and for increments much easier to operate.
> I use a joypad on my plasma for rough positioning but it would be
> awkward to use/store on my BP knee mill.
>
> MPG mount http://gnipsel.com/shop/bp1/bp1-01.xhtml
> Selector switches http://gnipsel.com/shop/bp1/bp1-07.xhtml
>
> These are always in the same place so I don't even have to look at them
> to use them... YMMV
>
> JT
>
> On 6/2/2013 2:16 PM, Dave wrote:
>
>> I want to buy a pendant for use with a Bridgeport CNC mill I have
>> converted to Linuxcnc.
>>
>> I think I want an MPG with axes selection, but tell me if you disagree.
>>
>> I don't want to make my own as I have way too much other work to do
>> right now.  I am really looking for an off the shelf hardware solution.
>> If it requires some hal configuration, I am not worried about that.
>>
>> What do you guys recommend?
>>
>> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>>
>> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>>
>> How practical are USB joysticks for use as pendants on a milling machine?
>> If you are using a USB joystick as a pendant, which model are you using??
>>
>> Thanks,
>>
>> Dave
>>
>> --
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Re: [Emc-users] Pendant recommendations

[John Thornton]

A commercial pendant could be ok on a knee mill if you have the holder 
for it but I've found just mounting the MPG to the table and having a 
selector switch for each axis and for increments much easier to operate. 
I use a joypad on my plasma for rough positioning but it would be 
awkward to use/store on my BP knee mill.

MPG mount http://gnipsel.com/shop/bp1/bp1-01.xhtml
Selector switches http://gnipsel.com/shop/bp1/bp1-07.xhtml

These are always in the same place so I don't even have to look at them 
to use them... YMMV

JT

On 6/2/2013 2:16 PM, Dave wrote:
> I want to buy a pendant for use with a Bridgeport CNC mill I have
> converted to Linuxcnc.
>
> I think I want an MPG with axes selection, but tell me if you disagree.
>
> I don't want to make my own as I have way too much other work to do
> right now.  I am really looking for an off the shelf hardware solution.
> If it requires some hal configuration, I am not worried about that.
>
> What do you guys recommend?
>
> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>
> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>
> How practical are USB joysticks for use as pendants on a milling machine?
> If you are using a USB joystick as a pendant, which model are you using??
>
> Thanks,
>
> Dave
>
> --
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Re: [Emc-users] Pendant recommendations

[Mark Wendt]

On Sun, Jun 2, 2013 at 3:16 PM, Dave  wrote:

>
> I want to buy a pendant for use with a Bridgeport CNC mill I have
> converted to Linuxcnc.
>
> I think I want an MPG with axes selection, but tell me if you disagree.
>
> I don't want to make my own as I have way too much other work to do
> right now.  I am really looking for an off the shelf hardware solution.
> If it requires some hal configuration, I am not worried about that.
>
> What do you guys recommend?
>
> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>
> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>
> How practical are USB joysticks for use as pendants on a milling machine?
> If you are using a USB joystick as a pendant, which model are you using??
>
> Thanks,
>
> Dave
>


Dave,

I've got both on my machine - one of the Keling MPG's and also a joystick.
They have different uses the way I have them set up.  With the MPG, I can
move the machine exactly .1, .01, and .001 in any axis.  With the joy stick
I can do rapid moves by holding the stick over.  Depends on what you want.

Mark
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Re: [Emc-users] Pendant recommendations

[Bruce Layne]

On 06/02/2013 04:17 PM, Erik Friesen wrote:

> It is set up so that a second button
> has to be pressed to enable jogging to prevent accidental jogging.  Is
> there some equivalent safety feature on the Jog It! pendant?

Nope.  The JogIt pendant is a very simple device.  Pushing any button 
sends a keyboard command, the same as if the key was pressed on a 
keyboard.  The difference is, the pendant buttons are specific to 
running a CNC machine, the simplified pendant keypad is laid out 
ergonomically for CNC control, and the keys are labeled for their CNC 
function as opposed to a regular keyboard that has letters and numbers 
and symbols spread all over the place.

There is a pair of buttons to increase and decrease the jog speed so you 
can jog slowly for delicate work or you can go fast if you're in a hurry 
when making long moves.  There are six dedicated buttons for jogging the 
X, Y and Z axes, each in both directions.  The JogIt pendant also allows 
homing, running programs, stopping programs, pausing and resuming 
programs, control of two dedicated outputs AUX1 and AUX2 which might be 
used for flood and mist coolant in some applications.

Because the JogIt pendant is essentially a keyboard and it's open 
source, you could easily add a normally open push button in series with 
the power from the USB port, so that button would need to be pressed 
before the other buttons were active, but so far I haven't found it to 
be a big problem.  I just don't press buttons when I shouldn't.  :-)

An MPG is very cool and definitely has the real CNC feel about it, but I 
find the JogIt to be quite adequate for my needs, and I do love the 
plug-n-play aspect of it.  If you have an open USB port for the JogIt, 
it's gonna work with no HAL file manipulation, no wiring, no searching 
the internet after it doesn't work, etc.

There are a couple of demo videos on the KickStarter page I linked to in 
my last post.  Here it is again.

http://www.kickstarter.com/projects/1651082654/jog-it-open-source-controller-pendant-for-emc2-and

Here's the direct link to the video showing the JogIt pendant 
controlling a machine via LinuxCNC.

http://youtu.be/WcQDt7Doo5w
(4:35 video)



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Re: [Emc-users] Pendant recommendations

[Don Stanley]

Hi Dave;
Take a look at X-keys @www.xkeys.com
When they are programed to emulate the keyboard keys
of AXIS, you can control all the machine functions
with the hand held pendant. This really simplifies
the operations for me allowing manual operation of the
all the mills functions or at the mill setup and program control.

My choice is the X-keys MWII which allows 39 functions
on 4" by 7" pendant.

You will need access to MS$ system to program the keys
with the software the company provides via Internet.
After programed simply plug into the computer USB port
 with the computer keyboard not in Caps Lock and go to work.

I would not recommend programming the home function
on the pendant. That is the one key capable of disaster if
unintentionally pressed.

 Hope this helps
Don



On Mon, Jun 3, 2013 at 1:26 AM, Marius Liebenberg wrote:

> Jon
> Do you care to elaborate on the diode encoder?
>
> On 2013/06/03 02:42 AM, Jon Elson wrote:
> > Dave wrote:
> >> I've look at the CNC4PC pendants and I have looked at the pendants on
> >> Ebay.
> > I think the CNC4PC is a pretty good design, and should be reasonably
> > robust.
> > I have basically duplicated the function of that unit myself.  The
> > only change
> > I made was to reverse the polarity of the white button, so it is
> > normally open.
> > This enabled the MPG when pushed.  When not pushed, the MPG has
> > no effect of the machine.  The only reason I made my own is the CNC4PC
> > is a bit expensive for what is in it.  I also added a diode encoder so I
> > could control 4 axes plus spindle override and feed override with only
> > 3 wires to 3 digital inputs.  (Another 2 for the rate select switch.)
> >
> > Jon
> >
> >
>
> --
> Regards / Groete
>
> Marius D. Liebenberg
> MasterCut cc
> Cel: +27 82 698 3251
> Tel: +27 12 743 6064
> Fax: +27 86 551 8029
> Skype: marius_d.liebenberg
>
>
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Re: [Emc-users] Pendant recommendations

[Marius Liebenberg]

Jon
Do you care to elaborate on the diode encoder?

On 2013/06/03 02:42 AM, Jon Elson wrote:
> Dave wrote:
>> I've look at the CNC4PC pendants and I have looked at the pendants on 
>> Ebay.
> I think the CNC4PC is a pretty good design, and should be reasonably 
> robust.
> I have basically duplicated the function of that unit myself.  The 
> only change
> I made was to reverse the polarity of the white button, so it is 
> normally open.
> This enabled the MPG when pushed.  When not pushed, the MPG has
> no effect of the machine.  The only reason I made my own is the CNC4PC
> is a bit expensive for what is in it.  I also added a diode encoder so I
> could control 4 axes plus spindle override and feed override with only
> 3 wires to 3 digital inputs.  (Another 2 for the rate select switch.)
>
> Jon
>
>

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Re: [Emc-users] Pendant recommendations

[Dave]

Thanks everyone for the feedback.

I'm hesitant to do a USB interface with an MPG wheel so I think I will 
stick to an LPT port interface for this machine and give that a go.
That should be simple and reliable.

I ordered one of the CNC4PC "like" units off of Ebay.   $92 including 
shipping.

Dave





On 6/2/2013 6:34 PM, andy pugh wrote:
> On 2 June 2013 22:51, Florian Rist  wrote:
>
>
>>http://www.ebay.de/itm/170979265195
>>   But I guess the USB dongles is
>> a HID device, so it should not be too difficult.
>>  
> Someone on the forum has one largely working with hal_input, but there
> is as-yet no way to use the LCD.
>
> I asked one of the manufacturers if they wanted to lend me one to
> write a HAL driver, but they weren't interested.
>
> The JogIt! is plug-and-play because it works entirely by keypress
> emulation. This also means that you might not always be able to rely
> on the key-up signal arriving when you expect.
>
> My preference would be for an all-realtime pendant. The Mesa 7i73 is
> the ideal thing for the interfacing, but is just a bare PCB so isn't
> what the OP was after. It shouldn't be particularly difficult to put
> one in one of these though: http://www.ebay.co.uk/itm/261182593565
>
>


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Re: [Emc-users] Pendant recommendations

[andy pugh]

On 3 June 2013 01:18, Florian Rist  wrote:

>>  Mesa 7i73

> Thanks for the hint. This looks good and its cheep.

It is less cheap if you need an interface board for it, but if you
have the smart-serial port free on a 7i76 or 7i77 then it's perfect.

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Re: [Emc-users] Pendant recommendations

[Jon Elson]

Dave wrote:
> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>   
I think the CNC4PC is a pretty good design, and should be reasonably robust.
I have basically duplicated the function of that unit myself.  The only 
change
I made was to reverse the polarity of the white button, so it is 
normally open.
This enabled the MPG when pushed.  When not pushed, the MPG has
no effect of the machine.  The only reason I made my own is the CNC4PC
is a bit expensive for what is in it.  I also added a diode encoder so I
could control 4 axes plus spindle override and feed override with only
3 wires to 3 digital inputs.  (Another 2 for the rate select switch.)

Jon

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Re: [Emc-users] Pendant recommendations

[Florian Rist]

Hi Andy

> My preference would be for an all-realtime pendant. The Mesa 7i73 is
> the ideal thing for the interfacing, 

Thanks for the hint. This looks good and its cheep.

cu
Flo

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Re: [Emc-users] Pendant recommendations

[andy pugh]

On 2 June 2013 22:51, Florian Rist  wrote:

>   http://www.ebay.de/itm/170979265195
>  But I guess the USB dongles is
> a HID device, so it should not be too difficult.

Someone on the forum has one largely working with hal_input, but there
is as-yet no way to use the LCD.

I asked one of the manufacturers if they wanted to lend me one to
write a HAL driver, but they weren't interested.

The JogIt! is plug-and-play because it works entirely by keypress
emulation. This also means that you might not always be able to rely
on the key-up signal arriving when you expect.

My preference would be for an all-realtime pendant. The Mesa 7i73 is
the ideal thing for the interfacing, but is just a bare PCB so isn't
what the OP was after. It shouldn't be particularly difficult to put
one in one of these though: http://www.ebay.co.uk/itm/261182593565

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Re: [Emc-users] Pendant recommendations

[Florian Rist]

Hi,
I don't have a tested recomendation, but from time to time I'm looking
at these cheep wireless USB hand wheels:

  http://www.ebay.de/itm/170979265195
The only problem: it's wireless and I cant see how careful security
features were implemented (if at all). Each command sent from the
pendant should be echoed by the host and confirmed by the pendant. Ah,
and of course there are not Linux driver. But I guess the USB dongles is
a HID device, so it should not be too difficult.

See you
flo

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Re: [Emc-users] Pendant recommendations

[Gene Heskett]

On Sunday 02 June 2013 17:28:20 Dave did opine:

> I want to buy a pendant for use with a Bridgeport CNC mill I have
> converted to Linuxcnc.
> 
> I think I want an MPG with axes selection, but tell me if you disagree.
> 
> I don't want to make my own as I have way too much other work to do
> right now.  I am really looking for an off the shelf hardware solution.
> If it requires some hal configuration, I am not worried about that.
> 
> What do you guys recommend?
> 
> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
> 
> I've look at the CNC4PC pendants and I have looked at the pendants on
> Ebay.
> 
> How practical are USB joysticks for use as pendants on a milling
> machine? If you are using a USB joystick as a pendant, which model are
> you using??
> 
> Thanks,
> 
> Dave

I had a Saitek configured to run mine with, but it turned out to be useless 
because they have no position feedback, so you don't know when you are off 
centered and moving another axis when you THINK you are only moving one 
axis.  Possibly some other brand might give you a 'fence' you would have to 
overcome that would prevent moving an axis you didn't want to move, but the 
highly thought of Saitek isn't it.  I have many of the parts to cobble up a 
box with 4 encoders on it, derived from some 24 volt mini steppers driving 
comparators, one for each axis, but they are all still in the box.  
Interfacing that would of course require all of a 2nd parport on a 4 axis 
machine.  I lost my round tuit.
 
> 
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Re: [Emc-users] Pendant recommendations

[Ed Nisley]

On 06/02/2013 03:16 PM, Dave wrote:
> If you are using a USB joystick as a pendant, which model are you using??

At least for my Sherline, a Logitech Dual-Action gamepad works 
wonderfully well. Here's the initial description:

http://softsolder.com/2010/10/23/logitech-gamepad-as-emc2-pendant-eagle-schematics-for-the-joggy-thing/

It gives direct four-axis control: XY on the left, ZA on the right. The 
buttons along the top provide full-speed rapids and the joysticks go 
down to crawling speeds.

The HAL circuitry detects which joystick axis starts moving and locks 
out all the others, which prevents inadvertent motion along an axis that 
you've already lined up against an edge. The buttons don't have that 
lockout, so you can slew diagonally at high speed when that's appropriate.

More HAL wiring uses two of the four buttons on the cable side as an 
E-stop button: you must push both buttons to trigger the stop. Agreed, 
software should be in the E-stop loop, but this is a Sherline... and I 
haven't ever used those buttons, come to think of it, because shutting 
off the power to the motor driver box works even better.

> How practical are USB joysticks for use as pendants on a milling machine?

Probably not very, at least on a real milling machine that's spraying 
coolants and hot chips and piles of swarf all over. On the other hand, 
gamepads are cheap and easily replaceable, so you don't form a deep 
emotional attachment to them...

-- 
Ed
softsolder.com

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Re: [Emc-users] Pendant recommendations

[Erik Friesen]

I use a universal xbox style gamepad with my cnc router.  The joysticks are
proportional, and I have three jog speeds set up on different buttons.
 Left joystick is XY and right is Z.  It is set up so that a second button
has to be pressed to enable jogging to prevent accidental jogging.  Is
there some equivalent safety feature on the Jog It! pendant?


On Sun, Jun 2, 2013 at 4:07 PM, Stephen Dubovsky wrote:

> Haven't used it much but I have the CNC4PC MPG12.  Appears well made.  Im
> pretty sure its the same as the ones on ebay at 1/2 the price (I didn't
> know at the time.)  The difference between the 4 and 6 axis ones are the
> pin in the selector switch is moved to allow more/less rotation.  So either
> one could be converted to the other.  Im using the 5 & 6 'axis' as a feed
> and spindle speed override.  The cable is fairly thick/heavy (trying to
> pull it off the table if you just lay it somewhere non ferrous) but the
> magnets are really strong.  It will stick to a vertical ferrous surface NO
> problem.  I wired it into the mesa board and not a parallel port.  I would
> buy another (but this time get it off ebay for less $)
>
> Stephen
>
>
> On Sun, Jun 2, 2013 at 3:16 PM, Dave  wrote:
>
> >
> > I want to buy a pendant for use with a Bridgeport CNC mill I have
> > converted to Linuxcnc.
> >
> > I think I want an MPG with axes selection, but tell me if you disagree.
> >
> > I don't want to make my own as I have way too much other work to do
> > right now.  I am really looking for an off the shelf hardware solution.
> > If it requires some hal configuration, I am not worried about that.
> >
> > What do you guys recommend?
> >
> > If the pendant gets bumped, I don't want it fracture and fly apart, etc.
> >
> > I've look at the CNC4PC pendants and I have looked at the pendants on
> Ebay.
> >
> > How practical are USB joysticks for use as pendants on a milling machine?
> > If you are using a USB joystick as a pendant, which model are you using??
> >
> > Thanks,
> >
> > Dave
> >
> >
> >
> --
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> > It's a free troubleshooting tool designed for production
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> >
>
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Re: [Emc-users] Pendant recommendations

[Stephen Dubovsky]

Haven't used it much but I have the CNC4PC MPG12.  Appears well made.  Im
pretty sure its the same as the ones on ebay at 1/2 the price (I didn't
know at the time.)  The difference between the 4 and 6 axis ones are the
pin in the selector switch is moved to allow more/less rotation.  So either
one could be converted to the other.  Im using the 5 & 6 'axis' as a feed
and spindle speed override.  The cable is fairly thick/heavy (trying to
pull it off the table if you just lay it somewhere non ferrous) but the
magnets are really strong.  It will stick to a vertical ferrous surface NO
problem.  I wired it into the mesa board and not a parallel port.  I would
buy another (but this time get it off ebay for less $)

Stephen


On Sun, Jun 2, 2013 at 3:16 PM, Dave  wrote:

>
> I want to buy a pendant for use with a Bridgeport CNC mill I have
> converted to Linuxcnc.
>
> I think I want an MPG with axes selection, but tell me if you disagree.
>
> I don't want to make my own as I have way too much other work to do
> right now.  I am really looking for an off the shelf hardware solution.
> If it requires some hal configuration, I am not worried about that.
>
> What do you guys recommend?
>
> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>
> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>
> How practical are USB joysticks for use as pendants on a milling machine?
> If you are using a USB joystick as a pendant, which model are you using??
>
> Thanks,
>
> Dave
>
>
> --
> Get 100% visibility into Java/.NET code with AppDynamics Lite
> It's a free troubleshooting tool designed for production
> Get down to code-level detail for bottlenecks, with <2% overhead.
> Download for free and get started troubleshooting in minutes.
> http://p.sf.net/sfu/appdyn_d2d_ap2
> ___
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> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>
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Re: [Emc-users] Pendant recommendations

[sam sokolik]

you really want a real jog wheel..(mpg)  Once you use one - you 
will  never want anything else...  (really - you do)  :)

sam

On 06/02/2013 02:34 PM, Bruce Layne wrote:
> I highly recommend the JogIt! pendant.  I bought four of them via a
> KickStarter campaign.  There's a Mach version and a LinuxCNC version.
> They're awesome.  I use the small Logitech K400 wireless keyboard and
> touchpad to load the program and I do everything else with the JogIt!
> pendant.  I could use the small K400 keyboard as a wireless pendant, but
> it's still a lot larger than the pendant and the JogIt! pendant has
> dedicated keys for everything.  It plugs into a USB port and is truly
> plug-n-play with LinuxCNC.
>
> I know this sounds like a commercial, but I have no financial interest
> and am just a happy customer.  I have four, and I think I'm going to buy
> two more!
>
> http://www.kickstarter.com/projects/1651082654/jog-it-open-source-controller-pendant-for-emc2-and
>
>
>
> On 06/02/2013 03:16 PM, Dave wrote:
>> I want to buy a pendant for use with a Bridgeport CNC mill I have
>> converted to Linuxcnc.
>>
>> I think I want an MPG with axes selection, but tell me if you disagree.
>>
>> I don't want to make my own as I have way too much other work to do
>> right now.  I am really looking for an off the shelf hardware solution.
>> If it requires some hal configuration, I am not worried about that.
>>
>> What do you guys recommend?
>>
>> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>>
>> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>>
>> How practical are USB joysticks for use as pendants on a milling machine?
>> If you are using a USB joystick as a pendant, which model are you using??
>>
>> Thanks,
>>
>> Dave
>
> --
> Get 100% visibility into Java/.NET code with AppDynamics Lite
> It's a free troubleshooting tool designed for production
> Get down to code-level detail for bottlenecks, with <2% overhead.
> Download for free and get started troubleshooting in minutes.
> http://p.sf.net/sfu/appdyn_d2d_ap2
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Re: [Emc-users] Pendant recommendations

[Bruce Layne]

I highly recommend the JogIt! pendant.  I bought four of them via a 
KickStarter campaign.  There's a Mach version and a LinuxCNC version.  
They're awesome.  I use the small Logitech K400 wireless keyboard and 
touchpad to load the program and I do everything else with the JogIt! 
pendant.  I could use the small K400 keyboard as a wireless pendant, but 
it's still a lot larger than the pendant and the JogIt! pendant has 
dedicated keys for everything.  It plugs into a USB port and is truly 
plug-n-play with LinuxCNC.

I know this sounds like a commercial, but I have no financial interest 
and am just a happy customer.  I have four, and I think I'm going to buy 
two more!

http://www.kickstarter.com/projects/1651082654/jog-it-open-source-controller-pendant-for-emc2-and



On 06/02/2013 03:16 PM, Dave wrote:
> I want to buy a pendant for use with a Bridgeport CNC mill I have
> converted to Linuxcnc.
>
> I think I want an MPG with axes selection, but tell me if you disagree.
>
> I don't want to make my own as I have way too much other work to do
> right now.  I am really looking for an off the shelf hardware solution.
> If it requires some hal configuration, I am not worried about that.
>
> What do you guys recommend?
>
> If the pendant gets bumped, I don't want it fracture and fly apart, etc.
>
> I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.
>
> How practical are USB joysticks for use as pendants on a milling machine?
> If you are using a USB joystick as a pendant, which model are you using??
>
> Thanks,
>
> Dave


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Re: [Emc-users] Pendant recommendations

[Dave]

I want to buy a pendant for use with a Bridgeport CNC mill I have 
converted to Linuxcnc.

I think I want an MPG with axes selection, but tell me if you disagree.

I don't want to make my own as I have way too much other work to do 
right now.  I am really looking for an off the shelf hardware solution.
If it requires some hal configuration, I am not worried about that.

What do you guys recommend?

If the pendant gets bumped, I don't want it fracture and fly apart, etc.

I've look at the CNC4PC pendants and I have looked at the pendants on Ebay.

How practical are USB joysticks for use as pendants on a milling machine?
If you are using a USB joystick as a pendant, which model are you using??

Thanks,

Dave

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