Mesa 7i95 PWM Output

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14 May 2022 17:27 #242962 by M_tz3
Mesa 7i95 PWM Output was created by M_tz3
Hello Guys,

I have a 7i95 Card for my Mill, because 7i76 is out of stock everywhere in my region. I want to replace the spindle with a PWM controlled spindle.
How can I get a PWM Signal out of this card? My Mill only use 3 Axis, so is there any posibility to use one of the not used Step outputs for this?
If yes, how can I do this?

Thank you for your help.
Kind Regards
Matthias

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14 May 2022 17:31 #242963 by PCW
Replied by PCW on topic Mesa 7i95 PWM Output
Yes, you would use 7i95_1pwmd.bit firmware that replaces the last stepgen
(stepgen 5) with a PWMgen

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14 May 2022 19:51 #242971 by M_tz3
Replied by M_tz3 on topic Mesa 7i95 PWM Output
Oh thats sounds nice :)
After flashing, I can use it as usual over pwmgen.0 ?

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14 May 2022 20:18 #242972 by Gruntled Raptor
I have the opposite problem, I cannot for love nor money get a 7i95 anywhere. 7i76 on the other hand is available.

I would happily get you a 7176 and pay the difference if you'd like.

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14 May 2022 20:29 #242973 by PCW
Replied by PCW on topic Mesa 7i95 PWM Output
Yes, its PWM 0 on the 7I95 StepGen 5 connector

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14 May 2022 20:31 - 14 May 2022 20:32 #242975 by M_tz3
Replied by M_tz3 on topic Mesa 7i95 PWM Output
@ Gruntled Raptor:
The Problem is, in my Machine the Stepper controller got a short circuit inside, when the mesa board was connected. I don't think the board was damaged by this, but I want to be safe, so I have to wait for my new Stepper driver, so I can connect it and test the board again.
Did you find a 7i76E? I need a version with Ethernet connection.

@PCW: Thank you for your Help :)
Last edit: 14 May 2022 20:32 by M_tz3.

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15 May 2022 12:54 #243015 by Gruntled Raptor
Fortunately, MESA had some proto 7I96S going so I've ordered one of them, should be fine for what you want though too?

store.mesanet.com/index.php?route=produc..._id=374&search=7I96S

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