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The connections look OK

If you set the PWM value to 0, does GPI0 017 go false?

I don't see that the PWM scale was set so anything >= 1 will be full scale
(default PWM scaling is 1.00 = full scale)

If the PWM values are in percent, you probably wantsetp hm2_7i76e.0.pwmgen.00.scale 100

in the hal file



 

I've got to get better at asking the right questions... Using the old config:

signal 'sj'
motion.analog-out-00, and
hm2_7i76e.0.pwmgen.00.value

All these values update as M67 changes the output.

hm2_7i76e.0.gpio.017.in toggles to True when the gcode starts running.

Does everything seem mapped right for the PWM to reach pin 1 on a 5 axis breakout board? Should that be on hm2_7i76e.0.gpio.017.in? Maybe the code is fine, and I should be chasing down a hardware issue?