Replacing The Absolute Encoder Battery (Abs) - Omron OMNUC W Series User Manual

Troubleshooting
5-6

Replacing the Absolute Encoder Battery (ABS)

Replace the absolute encoder backup battery if it has been used for at least five years, or
if an A.83 (battery error) alarm occurs.
H Battery Model and Specifications
Item
Model and name
Battery model
Battery voltage
Current capacity
Note Refer to 2-10 Absolute Encoder Backup Battery Specifications for dimensions and wiring details.
H Battery Replacement Procedure
• Replace the battery using the following replacement procedure. After replacing the battery, if a A.81
(backup error) alarm does not occur, the replacement is completed. If an A.81 alarm occurs, you need
to set up the absolute encoder.
1. Turn ON the power supply to the Servo Driver's control circuit.
S Turn ON the power supply to the Servo Driver's control circuit only. This will supply power to the
absolute encoder.
2. Replace the battery.
S Remove the old battery from the Servo Driver's battery holder, and disconnect the connector to the
battery from the battery connector CN8.
S Place the new battery in the battery holder, and insert the connector correctly into battery connec-
tor CN8.
3. Turn the power supply OFF, then ON again.
S After correctly connecting the new battery, turn OFF the power supply to the Servo Driver, then
turn it ON again.
S If a Servo Driver alarm is not displayed, battery replacement is completed.
Note If A.81 (backup error) is displayed, you need to set up the absolute encoder. Refer to 4-2-2
Absolute Encoder Setup and Battery Changes, and perform the setup and make the initial
settings for the Motion Control Unit.
AUDIN - 7 bis rue de Tinqueux - 51100 Reims - France - Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : info@audin.fr
R88A-BAT01W (up to 5 kW), R88A-BAT02W (6 kW to 15 kW) (Absolute Encoder
Backup Battery Unit)
ER3V (Toshiba)
3.6 V
1,000 mASh
Specification
Chapter 5
5-21