PP 7i92/C11G problem

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27 Jul 2018 08:38 #114939 by crowloy
Replied by crowloy on topic PP 7i92/C11G problem
Not sure how though. I've got a C11G Bob connected which has two relays. and they are powering another couple of 12v relays todo the actual switching at the mill. The unpleasant thing is that they are not connected to the mill at this time. they are sitting on my bench where I am looking at them switching.

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27 Jul 2018 08:53 #114940 by tommylight
Replied by tommylight on topic PP 7i92/C11G problem
Check that wiring again, there is something wrong there. Are you powering the 7i92 and the BOB with the same power supply? Please do not.

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31 Jul 2018 21:15 #115259 by crowloy
Replied by crowloy on topic PP 7i92/C11G problem
you were right about the back EMF. Added a couple of 1n4148 diodes across the terminals of the relays, and we are back in business.

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01 Aug 2018 16:34 #115323 by Clive s
Replied by Clive s on topic PP 7i92/C11G problem
Would you mind giving a bit more info on your set up. ie what version of PP. Have you had to change any of the general python files or have you managed it just with the Hal and ini files.

I have version 2.4 that I use on a pcnc1100 that I have fitted a spindle encoder and three mpg's to a 7i85.

But I would like to see if I can get PP onto a Warco mill. with a Mesa 7i92 and connected to standard bob's

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01 Aug 2018 18:17 - 01 Aug 2018 18:19 #115334 by crowloy
Replied by crowloy on topic PP 7i92/C11G problem

Clive s wrote: Would you mind giving a bit more info on your set up. ie what version of PP. Have you had to change any of the general python files or have you managed it just with the Hal and ini files.

I have version 2.4 that I use on a pcnc1100 that I have fitted a spindle encoder and three mpg's to a 7i85.

But I would like to see if I can get PP onto a Warco mill. with a Mesa 7i92 and connected to standard bob's


once I selected a Mesa board which was the 7i92. This was because it's ethernet and fully supported by PP. Now, I could have screwed up when I selected the CNC4PC C11G board. I decided on this one because it's supported by Mesa and has a PWM spindle control giving me 0-10v for my G0704 spindle board. Also a chargepump function is built into the board.
Once I had those, I connected everything together and discovered that the ini and Hal files for PP only needed a few changes and was mostly working. And this is with the default .bin file from Tormach. I had to switch over to the proper .bin though as the charge pump and spindle control's are defined differantly by Mesa. Basically the chargepump and spindle PWM pin definitions needed to be reversed. Someone posted a .hal file on this thread that I don't think works. There is no spindle definition at all in the file. Right now I have full functionality of a 2.4 PP with the least amount of changes I could get away with. that will help when there is a upgrade again.
Last edit: 01 Aug 2018 18:19 by crowloy.
The following user(s) said Thank You: Clive s

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01 Aug 2018 18:29 - 01 Aug 2018 18:29 #115336 by PCW
Replied by PCW on topic PP 7i92/C11G problem

I had to switch over to the proper .bin though as the charge pump and spindle control's are defined differantly by Mesa.


Actually its not so much that Mesa defines them differently but that the Tormach breakout does not use
PWM for the spindle (it uses pulse frequency) and theC11G uses PWM, so you must use a C11G compatible
bitfile to get PWM on the proper pin.
Last edit: 01 Aug 2018 18:29 by PCW.

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01 Aug 2018 20:06 #115342 by Clive s
Replied by Clive s on topic PP 7i92/C11G problem

Right now I have full functionality of a 2.4 PP with the least amount of changes I could get away with. that will help when there is a upgrade again.


Thank you for your time with this. I did try your ini files and hal files but they crashed out (for me anyway) with the usbio stuff in the hal file. I commented all that out but then it failed with one of the python files.

Would you be willing to publish the contents of the Tormach mill folder. Or perhaps email me with it.

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01 Aug 2018 20:34 #115344 by Robi63
Replied by Robi63 on topic PP 7i92/C11G problem
I posted the .hal file and it works perfectly with the C11GS card.

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02 Aug 2018 07:27 #115379 by Clive s
Replied by Clive s on topic PP 7i92/C11G problem

Robi63 wrote: I posted the .hal file and it works perfectly with the C11GS card.


Thanks Rob I did download your files but not test yet. Did you have to edit any of the PP code apart from ini and hal files.

Also what version of PP are you using.

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02 Aug 2018 09:15 #115382 by Robi63
Replied by Robi63 on topic PP 7i92/C11G problem
use PP v 2.0.4
I tried to go to v2.1.3 but I failed

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