Excessive delay using RS232?
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13 years 5 months ago #17718981 by dcconner
Excessive delay using RS232? was created by dcconner
I'm using RS-232 in open loop mode. We have a PID loop running at 20ms that calculates the output to the roboteq.<BR><BR>There is a delay of 60 msec between when we send the command, and when the motors respond. The encoder response and motor output ('?V') both show response after 60 msec. <BR><BR>Our encoders provide feedback at 10ms, so this delay is beyond what I expected based on the loop timings and sample delays.<BR><BR>The 60 msec delay is in place whether I look at a step up response or a step down response.<BR><BR>Is there anyway to speed the response up? (I've tried removing deadband and increasing the acceleration.)<BR><BR>
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