Siemens SIMOTION Series Commissioning And Hardware Installation Manual page 188

Service and maintenance
11.4 Installing/removing the back-up battery of the SIMOTION P320-4
Procedure
Steps for replacing the battery:
1. Open the battery compartment.
2. Remove the battery holder.
3. Unplug the battery connector.
4. Connect the battery plug to the new battery.
5. Remove the old battery from the holder.
6. Secure the new battery in the holder.
7. Close the battery compartment.
188
SIMOTION P320-4 E / P320-4 S
Commissioning and Hardware Installation Manual, 11/2016