5i25 / 7i76 / 7i85 - swapping Dsub connectors over?

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5 years 5 months ago #208820 by Muzzer
As part of my system build, I've stripped down the bench top setup and am getting the components ready to go into the actual cabinet. I had the system (lathe) working with my 7i76 on the main D connector of the 5i25 and the 7i85 on a second D connector coming off the pin header of the 5i25 via a ribbon cable.

Due to the way the boards need to be wired up in the cabinet, I've ended up swapping the 7i76 and 7i85 across, so that the 7i85 is now on the main D connector etc. Obviously this won't simply work as before but I'm not sure how to reconfigure it. Do I need to change the bitfile or run some sort of setup to point the 5i25 to the new arrangement of the 7i76 and 7i85?

Hopefully I haven't created a big job for myself here by swapping them over!

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5 years 5 months ago #208822 by PCW
You would need a 5I25_7i85_7i76.bit bitfile rather than the standard
5i25_7i76_7i85 bitfile. Is that a 7I85 or 7I85S?

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5 years 5 months ago #208824 by Muzzer
It's the straight 7i85

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5 years 5 months ago #208828 by PCW

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5 years 5 months ago #208830 by Muzzer
Brilliant! Many thanks for the prompt and helpful reply. I'll have a go at that later.

I didn't think of this potential complication until after I'd mounted the boards!

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5 years 5 months ago #208902 by Muzzer
I seem to have reflashed it OK but after a restart when I try to run LinuxCNC, I get

./hallib/Bantam_v1.hal:27: Pin 'hm2_5i25.0.7i76.0.0.input-00' does not exist

Do I need to rename some of the nets relating to the 7i76 address in the HAL file now? Although I don't have all the inputs connected up again yet, I don't think it's even getting to that stage.

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5 years 5 months ago #208906 by tommylight
Do you have VField power going to 7i76?

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5 years 5 months ago #208910 by Muzzer
It wasn't but I reconnected it (CR2 now comes on) and restarted. Now I am back in play, so the changes seem to have been made successfully. Thanks for your patience - it had to be simple!

Back to the cabinet build again....

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