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
Replied by Gruntled Raptor on topic Mesa 7i95 PWM Output
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
Replied by Gruntled Raptor on topic Mesa 7i95 PWM Output
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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