Replacing The Back-Up Battery In The Aop30 Operator Panel - Siemens SINAMICS DCM Operating Instructions Manual

Maintenance

11.2 Replacing the back-up battery in the AOP30 operator panel

11.2 Replacing the back-up battery in the AOP30 operator panel
Table 11- 1
Type
Manufacturer
Nominal capacity
Maximum permissible charging current
Self-discharge at 20 °C
Service life (in backup mode)
Service life (in operation)
Replacing
1. Switch the unit into a no-voltage condition.
2. Open the cabinet.
3. Disconnect the 24 V DC power supply and communications line on the operator panel.
4. Open the cover of the battery compartment.
5. Remove the old battery.
6. Insert the new battery.
7. Close the cover of the battery compartment.
8. Reconnect the 24 V DC power supply and communications line.
9. Close the cabinet.
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Technical specifications of the backup battery
CR2032 3 V lithium battery
Maxell, Sony, Panasonic
220 mAh
10 mA (restricted to <2 mA in operator panel)
1 %/year
> 1 year at 70 °C; >1.5 years at 20 °C
> 2 years
SINAMICS DCM Control Module
Operating Instructions, 06.2010, C98130-A7067-A1-02-7619