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11-22
11-5 Periodic Maintenance
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
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 display 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.9-4).
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 will occur 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 driver ON. If the battery is replaced
with the control power supply of the driver OFF, data held in the encoder will be lost.
Once the absolute encoder battery has been replaced, clear the battery warning by alarm clear
from the front panel. Refer to "Alarm Clear"(P.9-25) for information on clearing alarms.
Note. If the absolute encoder is cleared using the front panel or the absolute values are cleared using
communications, all error and multi-rotation data will be lost and the absolute encoder must be set
up. Refer to "Absolute Encoder Setup"(P.9-4).
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
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