11-3
11-1 Troubleshooting
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
11
Troubleshooting and Maintenance
Replacing the Servomotor or Servo Drive
Use the following procedure to replace the Servomotor or Servo Drive.
Replacing the Servomotor
1. Replace the motor.
2. Perform origin adjustment (for position control).
When the motor is replaced, the motor's origin position (phase Z) may deviate, so origin
adjustment must be performed.
Refer to the position controller's manual for details on performing origin adjustment.
3. Set up the absolute encoder.
If a motor with an absolute encoder is used, the absolute value data in the absolute encoder is
cleared when the motor is replaced, so setup is again required.
The multi-rotation data will be different from before it was replaced, so initialize the Motion Control
Unit settings.
For details, refer to "Absolute Encoder Setup"(P.9-4).
Replacing the Servo Drive
1. Copy the parameters.
Use a software tool such as the CX-Drive to read and save all parameter settings from the
Servo Drive.
2. Replace the Servo Drive.
3. Reset the parameters.
Use a software tool such as the CX-Drive to set and transfer all parameter settings to the Servo
Drive.
4. Set up the absolute encoder.
If a motor with an absolute encoder is used, the absolute value data in the absolute encoder is
cleared when the Servo Drive is replaced, so setup is again required.
The multi-rotation data will be different from before it was replaced, so initialize the Motion Control
Unit settings.
For details, refer to "Absolute Encoder Setup"(P.9-4).
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