Step/Dir Servo Spindle Kicking My Butt - No Reverse

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04 Apr 2023 19:11 #268281 by Mike Connelly
It must be version dependent. I can kill M4 by commenting out the *REVERSE* variables. Glad it's fixed in the current release, as it was just shit luck that I decided to put them in even though the docs said I didn't need to.

I appreciate you taking the time to look into this.

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04 Apr 2023 19:24 #268282 by blazini36
Didn't make any diagrams but there's nothing complicated about it. If you're getting movement than the step pins are probably fine but you have an issue with your direction pins. Since step pulses are registering uou probably don't have the 7i76e DIR+ and DIR- connected to pins 10 and 22 of the DYN4 DB25.

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04 Apr 2023 19:26 #268283 by blazini36

It might be that it's version dependent, current 2.10 works with M4
without any MAX_REVERSE_VELOCITY or MIN_REVERSE_VELOCITY
settings in the ini file
 

Somebody always finds the bug the hard way

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04 Apr 2023 21:50 #268293 by Mike Connelly
The step/dir wiring is correct. While I was chasing my tail I'd dicked up a .hal file, which is now fixed. M3 & M4 are working and turning in the correct directions.

Many thanks to you and others that offered help.
The following user(s) said Thank You: tommylight

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