Siemens SIMATIC IPC277D Operating Instructions Manual page 86

Device maintenance and repairs
8.3 Installing and removing hardware
Procedure - removal
NOTICE
Time may be deleted
The time will be deleted if it takes you longer than 30 seconds to replace the battery. The
device is no longer synchronous. Time-controlled programs will no longer run or will run at
the wrong time. This may damage the plant.
Reset the time for the device.
86
Pull the hook in direction of the
arrow.
Push the battery holder in the
direction of the arrow while keep-
ing the hook pulled.
Disconnect the battery plug
Remove the battery and battery
holder.
Operating Instructions, 12/2016, A5E03409486-AE
SIMATIC IPC277D