Closed Loop Mode

6 months 3 weeks ago #29534913 by Aakash
Closed Loop Mode was created by Aakash
I am using MDC2460 with DC Geared motor which contains quadrature encoders. I have connected them in the molex connector. MDC2460 is connected via USB & commanded via Linux API and have also been tested using RoboRun utility in Windows. I am successful in obtaining absolute speed & counter values. When I send GO/MVEL/PR commands in closed loop(velocity & position relative) mode the motor doesn't move, I have tried the same thing with RoboRun. In RoborRun application I can't get feedback signal. PID values were 1, 1, 0. I have tried disabling pulse input, disabling closed loop error detection according to some online FAQ but that hasn't solved the problem yet. I want to implement closed loop velocity & closed loop position relative modes, what should I change in order to get it working?

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2 months 2 weeks ago #29534985 by texacoon
Replied by texacoon on topic Closed Loop Mode
Aakash sounds like your having issues like I'm having with my MDC2460 - Did you ever get any feedback from support?  My issue is my dc (brushed) motors are designed to run fwd and rev.  When I operate it in RoboRun+ I can only move forward only - however, my Motor 1 is operating backward.. Tried "INVERT" and nothing happens.   I'm starting to think the MDC2460 has issues.  I even updated the software to the 2... version and still nothing.  Seems there is a lack of support with RobteQ.  I'm still waiting for an email for close to two weeks now and made phone calls and the support guy is out.

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