Installing And Removing Hardware; Replacing The Backup Battery - Siemens SIMATIC IPC477E Operating Instructions Manual

Maintaining and servicing your device

7.4 Installing and removing hardware

7.4 Installing and removing hardware
7.4.1

Replacing the backup battery

Requirements
• The device is disconnected from the power supply.
• The device is open, see the section "Open the device. (Page 80)".
• Replacement battery
Procedure
Removal
NOTICE
Time setting is lost
The time and the setup settings are deleted if it takes longer than 30 seconds to replace the
battery. The device time may no longer be synchronized. Time-controlled programs will no
longer run or will run at the wrong time. This may damage the plant.
Set the device time again.
Note
Writing down the BIOS settings
Make a note of the current BIOS setup settings or save them as a user profile in the BIOS
setup Exit menu. You will find a list for noting the settings in the BIOS description.
92
Operating Instructions, 11/2020, A5E37455003-AF
SIMATIC IPC477E