Pid allways positive

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19 Jul 2021 22:49 - 20 Jul 2021 00:19 #215350 by alkabal
Pid allways positive was created by alkabal
Hi all.

Did you know a way for prevent pid to output negative value ?

I have managed a hal config as absolue with acceleration/deceleration ramp for a mill spindle but using halscope when i try to stop spindle at some point the pid try to send negative value, off course i haven't issue for the ral use due to the impossibility for the card to output negative value.

(Problem solved adding a pin to my component for stopping pid if value are less than 0 if mode is absolue.)

Br
 
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Last edit: 20 Jul 2021 00:19 by alkabal.

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