7i80hd + 7i33 + 7i37 + 7i84

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15 Jul 2021 18:42 #214914 by vre
Replied by vre on topic 7i80hd + 7i33 + 7i37 + 7i84
Because i can't find how to change the output voltage of 7i33
what settings must change for 0-2.5-5 V analog output ?

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15 Jul 2021 19:43 - 15 Jul 2021 22:10 #214922 by PCW
Replied by PCW on topic 7i80hd + 7i33 + 7i37 + 7i84
You would need to set the PWM channel offset mode true
and bound the PID output to 2.5 (with a PWM scale of 10)

This assumes you are running LinuxCNC 2.8.1 or greater
Last edit: 15 Jul 2021 22:10 by PCW.

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15 Jul 2021 23:51 - 15 Jul 2021 23:54 #214949 by vre
Replied by vre on topic 7i80hd + 7i33 + 7i37 + 7i84
From these settings linuxcnc.org/docs/html/man/man9/pid.9.html
pid output bound is this?

pid.N.output float out

The output of the PID loop, which goes to some actuator such as a motor.
 

Last edit: 15 Jul 2021 23:54 by vre.

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18 Jul 2021 18:20 #215244 by vre
Replied by vre on topic 7i80hd + 7i33 + 7i37 + 7i84
How to bound the PID output to 2.5 what are the settings?

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18 Jul 2021 20:58 #215254 by PCW
Replied by PCW on topic 7i80hd + 7i33 + 7i37 + 7i84
Via the PID maxoutput pin

for example:

setp pid.5.maxoutput 2.5

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