Sigma II User’s Manual Chapter 7: Using the Digital Operator
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7.2.11 Adjusting the Motor Current Detection Offset
Motor current detection offset adjustment is performed at Yaskawa before shipping.
Normally, the user does not need to perform this adjustment. Make this adjustment
only if highly accurate adjustment is required to reduce torque ripple caused by
current offset.
The following sections describe automatic and manual adjustment of the current
detection offset.
Automatic Adjustment of the Motor Current Detection Offset
Use the following procedure to perform automatic adjustment of the current
detection offset.
Using the Hand-held Digital Operator
1. Press the DSPL/SET key to select the auxiliary function mode.
2. Select the parameter Fn00E.
Press the
Left Arrow or Right Arrow key to select the digit.
Press the
Left Arrow or Right Arrow key to change the value.
3. Press the DATA/ENTER key, and the display will be as shown below.
• If this function, particularly manual adjustment, is executed carelessly, it may degrade the
performance of the servo drive.
• Automatic adjustment is possible only with power supplied to the main circuits ON and with the servo
OFF.
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