5.27 Adjusting the Motor Current Detection Signal Offset
5.27.2 Manual Adjustment
5
Device-
S
pecific
S
etting
s
5-85
Preparations
Always check the following before you manually adjust the motor current detection signal off-
set.
•
The parameters must not be write prohibited.
Operating Procedure
Use the following procedure to manually adjust the motor current detection signal offset.
1.
Operate the Servomotor at approximately 100 min
-1
.
2.
Click the
Servo Drive
Button in the workspace of the Main Window of the Sig-
maWin+.
3.
Select
Adjust the Motor Current Detection Signal Offsets
in the Menu Dialog Box.
The Adjust the Motor Current Detection Signal Offsets Dialog Box will be displayed.
4.
Click the
Continue
Button.
5.
Click the
Manual Adjustment
Tab in the Adjust the Motor Current Detection Offset Dia-
log Box.
6.
Set the
Channel
Box in the
Motor Current Detection Offset
Area to
U-phase.
7.
Use the
+1
and -
1
Buttons to adjust the offset for phase U.
Change the offset by about 10 in the direction that reduces the torque ripple.
Adjustment range: -512 to +511
8.
Set the
Channel
Box in the
Motor Current Detection Offset
Area to
V-phase.
9.
Use the
+1
and -
1
Buttons to adjust the offset for phase V.
Change the offset by about 10 in the direction that reduces the torque ripple.