Installing And Removing Hardware; Built-In Unit; Replacing Back-Up Battery (Devices With 15", 19" Or 22" Display) - Siemens SIMATIC IPC477E Operating Instructions Manual

7.4

Installing and removing hardware

7.4.1

Built-in unit

7.4.1.1

Replacing back-up battery (devices with 15", 19" or 22" display)

Requirements
● The device is disconnected from the power supply.
● The device is open, see the section "Opening the device (Page 79)".
● 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.
SIMATIC IPC477E
Operating Instructions, 12/2016, A5E37455003-AB
Maintaining and servicing your device
7.4 Installing and removing hardware
91