8.8 Custom Tuning
8.8.5 Automatically Adjusted Function Settings
8-49
8.8.5
Automatically Adjusted Function Settings
You cannot use vibration suppression functions at the same time. Other automatic function set-
tings are the same as for autotuning without a host reference. Refer to the following section.
8.6.6 Automatically Adjusted Function Settings on page 8-32
8.8.6
Tuning Example for Tuning Mode 2 or 3
Step Measurement Display Examples Operation
1
The positioning time is measured after the moment of inertia
ratio (Pn103) is set correctly.
Tuning is completed if the specifications are met.
The tuning results are saved in the SERVOPACK.
2
The positioning time will be reduced if the feedforward level is
increased.
Tuning is completed if the specifications are met. The tuning
results are saved in the SERVOPACK.
If overshooting occurs before the specifications are met, pro-
ceed to step 3.
3
Overshooting will be reduced if the feedback level is
increased.
If the overshooting is eliminated, proceed to step 4.
4
The graph shows overshooting that occurred when the feed-
forward level was increased even more after step 3. In this
state, overshooting occurs, but the positioning settling time
is shorter. Tuning is completed if the specifications are met.
The tuning results are saved in the SERVOPACK. If over-
shooting occurs before the specifications are met, repeat
steps 3 and 4.
If vibration occurs before the overshooting is eliminated, the
vibration is suppressed with the notch filters and anti-reso-
nance control.
5 − The tuning results are saved in the SERVOPACK.
Position
deviation
Reference
speed
Positioning
completion signal
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