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

Maintaining and repairing the device

8.4 Installing and removing hardware

8.4 Installing and removing hardware
8.4.1

Replacing the backup battery

Requirements
● The device is disconnected from the power supply.
● The power supply connector is pulled out.
● The device is open, see the section "Opening and closing the backplane cover
(Page 75)".
● A replacement battery is included
Procedure
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 is no longer 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.
1. Remove the labeled connector.
2. The battery is fastened with a Velcro
fastener.
Grip the labeled battery and carefully pull
it out.
For installation, proceed in the reverse order and reconnect the device.
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SIMATIC IPC477E PRO
Operating Instructions, 08/2017, A5E39912462-AA