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11-37
11-5 Periodic Maintenance
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
11
Error and Maintenance
Replacing the Absolute Encoder Battery
Replace the absolute encoder backup battery if it has been used for more than 3 years or if an
absolute encoder system down error (Alarm No.40) has occurred.
Replacement Battery Model and Specifications
Mounting the Backup Battery
Mounting the Battery for the First Time
Connect the absolute encoder battery to the motor, then set up the absolute encoder.Refer to
"Absolute Encoder Setup" (P.9-6).
Once the absolute encoder battery is attached, it is recommended that the control power
supply be turned ON and OFF once a day to refresh the battery.
If you neglect to refresh the battery, battery errors occurs due to voltage delay in the battery.
Replacing the Battery
If a battery warning occurs, the absolute encoder power supply must be replaced.
Replace the battery with the control power supply of the drive ON. If the battery is replaced with
the control power supply of the drive OFF, data held in the encoder is lost.
Precautions for Correct Use
If the absolute encoder is cleared using the front panel or the absolute values are cleared using
communications, all error and multi-rotation data is lost and the absolute encoder must be set up.
Refer to "Absolute Encoder Setup" (P.9-6).
Item
Specifications
Name
Absolute Encoder Backup Battery Unit
Model
R88A-BAT01G
Battery model
ER6V (Toshiba)
Battery voltage
3.6 V
Current
capacity
2,000 mA • h
ABS
Содержание OMNUC G5 R88D-KN series
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