PRECIX 4X4 CONTROLLER UDATE

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14 Mar 2021 15:34 #202216 by chalky
Hi all , newbie here from the uk in desperate need of some help . Ive got a 2001 precix 4x4 machine that i would like to upgrade the motion control . Its currently using galli motion control boards which were upgraded some 8years ago from the linux floppy drive to ethernet ( before my ownership ). it has servo motors which i believe are Astromechs with renco encoders and the gold copley 800-760 drivers.
My question is can i replace all of the galli control boards and use an offline motion control system such as the SMS5-N-N and use both my current servo motors and motor drivers ????
ANY HELP WOULD BE MUCH APPRECIATED
MANY THANKS IN ADVANCE

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16 Mar 2021 22:29 #202532 by andypugh

My question is can i replace all of the galli control boards and use an offline motion control system such as the SMS5-N-N and use both my current servo motors and motor drivers ????


Maybe. But only if the existing drives accept step-dir control.

Why not use LinuxCNC instead?

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23 Mar 2021 14:49 #203395 by chalky
Replied by chalky on topic PRECIX 4X4 CONTROLLER UDATE
Hi Andy thanks for your reply , can you suggest the Linux route please. ? Parts required to connect to existing dc servo motors and Copley corps 800-760 anologue drivers ? I’m grateful for any help /advise your able to offer . I opened up the control box last weekend to try and see what parts were used and it just looks a complete mess so I would really like to update it .

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23 Mar 2021 15:33 #203402 by andypugh
You do realise that you are asking this on the LinuxCNC forum? A forum dedicated to the LinuxCNC CNC controller?

www.linuxnc.org

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23 Mar 2021 15:53 #203406 by Aciera
Replied by Aciera on topic PRECIX 4X4 CONTROLLER UDATE

Parts required to connect to existing dc servo motors and Copley corps 800-760 anologue drivers ?


I guess you'll want to use LinuxCNC with a Mesa card to interface with your drives. Do you have a manual for the drives?

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25 Mar 2021 14:50 #203621 by chalky
Replied by chalky on topic PRECIX 4X4 CONTROLLER UDATE
No info on drives , took 1 out the other day to take some info off it and took photo at same time . I’ve attached the photo
Attachments:

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27 Mar 2021 21:40 #203840 by andypugh
Looks like a DC servo drive, tacho feedback, +/-10V control.
(Going by the pin names)

Having a look around on the Copley Controls web site, I found this:
www.copleycontrols.com/wp-content/upload...00_Series-Manual.pdf
Which is for "200" series drives, but oddly these have model numbers like "800-07" so the description there might be similar to your drives.

In any case, it looks like a job for a Mesa 7i77 or a Pico PPMC.

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08 Apr 2021 12:45 #205320 by randypetersen
I switched my precix machine to linuxcnc, you can find my thread here:
www.forum.linuxcnc.org/27-driver-boards/...cix-5x10-cnc?start=0

Let me know if you have any questions, I will do my best to answer them.

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