Re: [Emc-users] 7i90 not listed in pnc

[jeremy youngs]

Ok, so much for links.
Ok, called Peter today, got a bit of help and syntax to get these pins to
show, got that accomplished, git mesaflash installed, verified invocation
in terminal.
I get this message no matter what I tell pnc it is. 5i25,7i43 etc . All
give me the same you haven forgot to assign pwm/ step to x,y,z, axis.
Peter had suggested trying a Sim . I did an axis Sim and it appears that
Hal is empty, so I'm not understanding how to lie to this thing well enough
to get around this. I was advised by pcw not to update to 2.7.12 as it
suffers bugginess in the 7i90 7i43 as well. I'm not desperate for this to
work, but parts keep showing up for this machine and I would like this to
be able to read my encoders so I can find out what they are. Thanks gents
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Re: [Emc-users] 7i90 not listed in pnc

[jeremy youngs]

On Thu, May 3, 2018, 21:13 jeremy youngs  wrote:

> Ok, called Peter today, got a bit of help and syntax to get these pins to
> show, got that accomplished, git mesaflash installed, verified invocation
> in terminal.
> I get this message no matter what I tell pnc it is. 5i25,7i43 etc . All
> give me the same you haven forgot to assign pwm/ step to x,y,z, axis.
> Peter had suggested trying a Sim . I did an axis Sim and it appears that
> Hal is empty, so I'm not understanding how to lie to this thing well enough
> to get around this. I was advised by pcw not to update to 2.7.12 as it
> suffers bugginess in the 7i90 7i43 as well. I'm not desperate for this to
> work, but parts keep showing up for this machine and I would like this to
> be able to read my encoders so I can find out what they are. Thanks gents
>
> https://drive.google.com/file/d/1ZKFgGfvRCEKiSiwzWoXOk9er7-l-GQdo/view?usp=drivesdk
>
https://drive.google.com/file/d/15kKmBb3mn9nJMu4ZBhFOedJJVuMOrxu9/view?usp=drivesdk
The second pic is of a score I made on Facebook. A bit 30 devlieg qc
spindle for $50 plus 17 shipping. That was a mood brightener.
This may post twice as I forgot to make links, but they are all public.
Thanks again fellas

>
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Re: [Emc-users] Rpi

[Jon Elson]

On 05/02/2018 11:56 PM, Chris Albertson wrote:

Yes, the Begal Board Black (BBB) has much lower general CPU performance
compared to the Raspberry Pibut MUCH better IO performance especially with
those on-chip PRUs.
Well, I use this to test the CRAMPS boards, and also run my 
laser photoplotter and just set up a
one-axis positioner at work.  While it is not QUITE as 
snappy to update the display as a fast X86 CPU, is is 
TOTALLY adequate for most purposes.  Especially when using 
the PRU to handle the step generation task.


But still if you have a garage to store the computer and AC mains available
for power why care about a few cubic inches and 20 watts of power?   Gene
suggested an Intel Atom based PC.  Those work.   But I find that one can
buy Dell server that has come off lease.   These can come in 1U size
chassis which is very compact.   Prices are very low and you get a full
computer with power, chassis and so on.  Smaller than a tower but still
typically space for a PCIe card.  Newegg.com is a reliable source, a top
their retailer but eBay might have lower prices.  I've seen a usable rack
mount server go for $100.

If you go with rack-mount servers, note that there usually 
are NO expansion slots.  So, you can't add a video or 
parport card.  If you go with the small form factor (SFF) or 
ultra-small (USFF) boxes, you will be limited to no, or only 
half-height PCI slots.  This can be a problem with some add-ons.


The Intel (and clone) mini-ITX boards can be put in the 7" 
cube boxes and make a very compact system that can hold 
full-height cards.  I've built up a few of them.


Jon


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[Emc-users] Gildemeister NEF CT20

[Horváth Csaba]

Hi All,

If You have Gildemaister lathe width EPL2 controller, please help me!


Can someone take a photo about the inside of EPL2 rack. It would be 
could if the IC label (74HC02, HC04, ICM7556, etc.) would be visible. 
Someone has repaired the machine before me, and it is possible that 
someone has swapped some one ICs.

I need the picture about section that is under the power supply.
It is urgent for me!
Thank you for helping me!


Regards, Csaba


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Re: [Emc-users] Rpi

[Gene Heskett]

On Thursday 03 May 2018 00:56:41 Chris Albertson wrote:

> Yes, the Begal Board Black (BBB) has much lower general CPU
> performance compared to the Raspberry Pibut MUCH better IO performance
> especially with those on-chip PRUs.
>
> But still if you have a garage to store the computer and AC mains
> available for power why care about a few cubic inches and 20 watts of
> power?   Gene suggested an Intel Atom based PC.  Those work.   But I
> find that one can buy Dell server that has come off lease.   These can
> come in 1U size chassis which is very compact.   Prices are very low
> and you get a full computer with power, chassis and so on.  Smaller
> than a tower but still typically space for a PCIe card.  Newegg.com is
> a reliable source, a top their retailer but eBay might have lower
> prices.  I've seen a usable rack mount server go for $100.

I've bought a couple old dell optiplex's, both desktops that can stand on 
end, that have run LinuxCNC very well, for under a hundred dollar bill 
from pcliquidaters.com, who are now showing stuff as low as $55.
Plenty of power, good video, and with a $40 64G SSD for a drive, its 
quite a bit faster than it was with a 2T spinning rust drive in it. Only 
64GB doesn't cramp it, df says 29% used. Neither does the only 2GB of 
ddr2. Works fine. Dual core Pentium D running at 3.4GHz.

> My main development PC is a used HP workstation, 12-core Xeon, 64GB
> RAM Nvidia GPU for about $550.  The leasing companies have thousand of
> these and they have to dump them into a market where world wide PC
> sales is declining year to year.
>
> On Wed, May 2, 2018 at 7:17 PM, Jon Elson  
wrote:
> > On Wednesday 02 May 2018 11:16:29 jeremy youngs wrote:
> > Given my issues with this computer I have decided to stop
> > beating a dead horse. I'm going to rpi 3 this thing.
> 
>  Oh, one other option is the Beagle Bone.  This has the option of
>  using
> >
> > the PRU (programmable Realtime Unit) which is a 32-bit 200 MIPS
> > microcontroller to do step generation.  The Machinekit fork of
> > LinuxCNC supports this.  There is the CRAMPS board (disclaimer - I
> > sell these) that puts 6 small stepper drivers and other I/O right on
> > top of the Beagle Bone for a VERY compact system.  You can net into
> > the Bone with either Ethernet or USB, or connect a keyboard and
> > mouse via USB and a monitor via mini-HDMI.
> >
> > Jon
> >
> >
> >
> > 
> > --
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-- 
Cheers, Gene Heskett
--
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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