Yaskawa Sigma-5 User Manual: Operation of Digital Operator - Manual (Page 69)

3.2 Operations
3-35
9
head1
3
Utility Function Mode
3 Turn ON the servo ON (/S-ON) signal.
4
Adjust the phase-U offset.
Press the
or Key to
adjust the offset amount.
Adjust the offset amount by 10 in the
direction that the torque ripple is
reduced.
Adjustment range: -512 to +511
(ZADJIU: Offset value of phase-U cur-
rent)
5
Adjust the phase-V offset.
Press the Key. The cursor
moves to the phase-V side.
6
Press the or Key to
adjust the offset amount.
Adjust the offset amount by 10 in the
direction that the torque ripple is
reduced.
Adjustment range: -512 to +511
(ZADJIV: Offset value of phase-V cur-
rent)
Repeat the operations of steps 4 to 6 (phase-U and-V alternately) until adjusting the offset amounts
both for phase-U and -V in both directions cannot reduce the torque ripple any more.
Then, perform the same operation by adjusting by smaller amount.
7
Press the Key to save the result
of adjustment in the SERVOPACK.
When the saving is completed, the sta-
tus display shows “DONE” for one sec-
ond. The status display then returns to
show “RUN” again.
8
Press the Key.
The display returns to the main menu
of the utility function mode.
(cont’d)
Step Display after Operation Keys Operation
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