5. Click the Adjust Button.
ð
The values that result from automatic adjustment will be displayed in the New
Boxes.
Fig. 194: Adjust the Motor Current Detection Signal Offsets - Adjust
This concludes the procedure to automatically adjust the motor current detection signal
offset.
7.13.3 Manual Adjustment
You can use this function if you automatically adjust the motor current detection signal
offset and the torque ripple is still too large.
If the offset is incorrectly adjusted with this function, the Servomotor char-
acteristics may be adversely affected.
Observe the following precautions when you manually adjust the offset.
– Operate the Servomotor at a speed of approximately 100 min
-1
.
– Adjust the offset while monitoring the torque reference with the
analog monitor until the ripple is minimized.
– Adjust the offsets for the phase-U current and phase-V current of the
Servomotor so that they are balanced. Alternately adjust both offsets
several times.
Sigma-7 Series SERVOPACKs
Application Functions
Adjusting the Motor Current Detection Signal Offset > Manual Adjustment
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