Maintaining and servicing your device
7.4 Removing and installing hardware
SIMATIC IPC677E
102 Operating Instructions, 04/2019, A5E45117996-AA
7.4.5 Replacing the bus board
Requirement
● The device is disconnected from the mains and all connecting cables have been
removed.
● The device is open, see important information regarding this under Opening the Device
(Page 71).
Procedure - Removal
1. Remove all modules from the slots.
2. Remove the marked screws on the bus board.
3. Remove the marked screws.
4. Remove the back-up battery holder, see Changing the backup battery (Page 98).
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