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Sigma II User's Manual
Using the Panel Operator
YASKAWA
200V
SERVOPACK
SGDM-
1. Press the MODE/SET key to select the auxiliary function mode.
MODE/SET
DATA/
CHARGE
POWER
2. Press the Up Arrow
3. Press the DATA/SHIFT key for a minimum of one second, and the display will
be as shown below.
4. Press the MODE/SET key. The display will change as shown below and the off-
set will be automatically adjusted.
5. Press the DATA/SHIFT key for a minimum of one second to return to the auxil-
iary function mode display.
This completes the automatic adjustment of the motor current detection offset.
T
Manually Adjusting the Motor Current Detection Offset
Follow the procedure below to manually adjust the current detection offset.
• When making manual adjustments, run the motor at a speed of approximately 100rpm, and adjust
the Motor Current Detection Offset until the torque ripple, observed with the analog monitor, is mini-
mized. (Refer to Section 6.5 Analog Monitor.)
Adjust the U-phase and V-phase offsets alternately several times until these offsets are well balanced.
or Down Arrow
Flashing
for one
second
IMPORTANT
7-51
Chapter 7: Using the Digital Operator
key to select the parameter Fn00E.
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