Maintaining and servicing your device
7.4 Installing and removing hardware
SIMATIC IPC477D, IPC477D PRO
Operating Instructions, 11/2016, A5E31347228-AF
155
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 built-in unit (Page 133)".
● Replacement battery
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.
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)
Repair information (Page 150)
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