Leadshine EL8-EC Series, Руководство пользователя

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User manual of EL8-EC***F AC Servo
90
Pr2.23
Label Position command FIR filter Mode PP
H
M
CS
P
Range 0~10000 Unit 0.1ms Default 0 Index 2223h
Activation Disable axis
As shown below, when target velocity Vc square wave command reaches Vc, it becomes
trapezoidal wave after filtering.
Velocity
(RPM)
Position
command
before filtering
Position command
after filtering
Filter
switching
time
Time
Vc
Position command
FIR filter set
time(ms)
Pr2.23 x 0.1ms
As shown below, when target velocity Vc trapezoidal command reaches Vc, it becomes S wave
after filtering.
Velocity
(RPM)
Position
command
before filtering
Position command
after filtering
Time
Vc
Position command
FIR filter set
time(ms)
Pr2.23 x 0.1ms
Usually applied when there is rather sharp acceleration which might cause motor overshoot or
undershoot. To smoothen command signal, reduces impact to machines and eliminate vibration. If
Pr2.23 is set too high, overall time will be lengthened.
**Please wait for command to stop and after filter idle time to modify Pr2.23.
Filter switching time = (Pr2.23 set value x 0.1ms + 0.25ms)
Pr2.31
Label 5
th
resonant frequency Mode F
Range
50~400
0
Unit Hz Default 4000 Index 2231h
Activation Immediate
To set zero-valued eigenfrequency of 5
th
resonant notch filter. Pr2.31 corresponds to machine
specific resonant frequency.
Notch filter deactivated if Pr2.31 is set to any value.