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(b) Relevant parameter modification
After the Inertia estimation, some parameters related to control gain performance would be
modified automatically.
Resonance suppression low-pass filter
Position feed-forward gain
Load to motor inertia ratio
After the calculation completed, users must terminate the “Auto tuning control panel” in order to
record the relevant parameters. If users already know the low frequency gain and inertia ratio of the
system, they could also set the bandwidth value desired to calculate the optimum value for
controller.
4.6. Automatic offset of analog input
When the external speed analog command input is 0V, there may be still a offset voltage which will
cause a slow motor rotation. The user could compensate this bias by the automatic offset function in
the diagnostic display mode. Follow the steps to execute automatic offset of analog input:
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