Shihlin electric SDP Series, Manual

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For the response level setting, it is recommended to adjust response level from low to high
gradually. If the default value is too high, it would very likely to cause resonance.
The applicable load inertia ratio is a reference data, and its applicable range varies with
different systems.
5.3.4 Tuning in manual mode
If auto tuning function cannot meet the user’s requirement, tuning in manual mode can be
used to adjust gain parameters.
Manually tuning mode
In position and speed mode, the machine stiffness and the application will affect the selection
of response bandwidth. Generally, for machines that require high precision, high response
bandwidth is needed. However, increasing the response might cause mechanical resonance.
Thus, machinery with higher stiffness is used to solve this problem.
When the allowable response bandwidth is unknown, you should set a smaller gain value first,
and gradually increase the gain parameter values until the machine resonance occurs, and
then decrease the gain value. The following are the user-defined gain parameter values of
each control modes.
Name
Parameter
abbreviation
Parameter
code
Setting
range
Unit
Default
value
Control
mode
Resonance
suppression low-
pass filter
NLP PB03 0~10000 0.1ms 10 ALL
Position feed-
forward gain
FFC PB05 0~200 % 0 Pt, Pr
Servo motor load
inertia ratio
GD1 PB06 0~1200
0.1
times
70 ALL
Position loop gain PG1 PB07 4~1024 rad/s 45 Pt, Pr
Speed loop gain VG1 PB08 40~9000 rad/s 183 ALL
Speed integral
gain
VIC PB09 1~1000 ms 34 ALL
Speed feed-
forward gain
VFG PB10 0~200 % 0 S, T