7i95T convert all step/dir to PWM?

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05 Dec 2024 14:28 - 05 Dec 2024 14:29 #316016 by heathmanc
7i95T convert all step/dir to PWM? was created by heathmanc
I’ve got an issue. I have a 7i95T board and Pico Systems brushless DC drivers that take PWM input. I assume I need a new firmware to convert all step/dir to PWM? Can anyone help me?  Additionally, I assume this won’t interfere with the 2 serial ports?
Charles
Last edit: 05 Dec 2024 14:29 by heathmanc.

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05 Dec 2024 18:01 #316033 by PCW
Replied by PCW on topic 7i95T convert all step/dir to PWM?
7I95T firmware with all step/dir replaced with PWM/Dir

 

File Attachment:

File Name: 7i95t_pwmd.zip
File Size:275 KB


 
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05 Dec 2024 20:28 #316041 by heathmanc
Replied by heathmanc on topic 7i95T convert all step/dir to PWM?
Thanks! Greatly appreciated! I assume I can use a SPINx1 on one of those PWM/dir channels?

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05 Dec 2024 20:30 #316042 by PCW
Replied by PCW on topic 7i95T convert all step/dir to PWM?
Sure.

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05 Dec 2024 22:11 #316054 by heathmanc
Replied by heathmanc on topic 7i95T convert all step/dir to PWM?
Sorry to bother you some more. I happen to have a ton of cards I bought years ago lying around. Do you think a better solution might be a 7i80hd-25, use a 7i52s configured for 6x PWM output and 6 encoder inputs (only using 3 of each for now). I have a 7i44 and multiple input/output card options.

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05 Dec 2024 23:03 - 05 Dec 2024 23:06 #316059 by PCW
Replied by PCW on topic 7i95T convert all step/dir to PWM?
It would be about the same, but you would likely need to add 
some additional I/O cards for general purpose inputs and outputs.
(that are built in on the the 7I95T)
Last edit: 05 Dec 2024 23:06 by PCW.

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15 Dec 2024 21:32 #316716 by heathmanc
Replied by heathmanc on topic 7i95T convert all step/dir to PWM?
Thanks for the feedback. Any tips on creating a pin file for the 7i95t firmware you sent to use in mesaCT?

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15 Dec 2024 21:42 - 15 Dec 2024 21:59 #316719 by PCW
Replied by PCW on topic 7i95T convert all step/dir to PWM?
I'm not sure how MesaCT determines card resources.

Is this PWM setup for interfacing with PWM motor drives
and using encoder feedback?

If so, a 7I97T configuration would be close
(with perhaps some PWM frequency/mode changes)
 
Last edit: 15 Dec 2024 21:59 by PCW.

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