Driver alarm output to Myplasm input

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MDGCompany
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Driver alarm output to Myplasm input

Post by MDGCompany »

HELP please.
I have 4 HB808C hybrid closed loop stepper motor drivers and I want to connect these to the E-stop input on the Myplasm controller.

When I fault a drive and measure the ALM+ and ALM- outputs I get no voltage reading etc.
Here is the pic from the HB808C manual.
What I want to do is to run all of the alarm outputs in series and trigger a relay with a dry contact if any of these fault for any reason that will stop the program. Can anyone help me with how this wiring would be accomplished please.
ALARM SIGNAL WIRING.jpg

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cuttinparts
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Re: Driver alarm output to Myplasm input

Post by cuttinparts »

I am guessing the alarm output from the HB808C goes low to ground when an alarm is triggered. I am not an electronics guy but you may be able to do this with a 5vdc relay. Will take some experimentation I am sure but should be easily done. Hopefully someone else here with more electronics experience can help.
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