Siemens SINAMICS Series Operating Instructions Manual page 704

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

● Insert the protective cover

● Hold the new CUD at an angle of 10° to 15° at the connector and parallel to the side

● Press the CUD onto the terminal strip

● Pull out the mounting aid

● Screw the CUD tight and attach all the components again that were removed from the old

CUD. Reconnect the connections.

Replacement/installation of a CUD in the right slot

A CUD is installed in the right slot in the same way as in the left slot.

For simple handling, it is recommended that you swing out the electronics plate slightly.

Make sure that the mounting sockets are covered by the mounting aid.

Replacing the back-up battery in the AOP30 operator panel

Manufacturer

Nominal capacity

Self-discharge at 20 °C

Service life (in backup mode)

Service life (during operation)

1. Disconnect the SINAMICS DCM from the power supply

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.

Technical specifications of the backup battery

so that the mounting sockets below it are covered.

CR2032 3 V lithium battery

Maxell, Sony, Panasonic

> 1 year at 70 °C; >1.5 years at 20 °C

Operating Instructions, 12/2018, A5E34763375A

SINAMICS DCM DC Converter