Maintaining and servicing your device
7.4 Installing and removing hardware
SIMATIC IPC477D, IPC477D PRO
154 Operating Instructions, 11/2016, A5E31347228-AF
Installing and removing hardware
7.4.1
Replacing back-up battery (device with 12" display)
Requirement
● The device is disconnected from the power supply.
● The device is open, see the section "Opening the built-in unit (Page 133)".
● Replacement battery
The time setting 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.
Reset the device time.
Remove the marked battery connector.
Grip the marked battery and pull it up and
out of its holder.
For installation, follow the removal steps in reverse order and close the device.
General safety instructions (Page 41)
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