Maintenance and service
11.1 Removing and installing hardware components
SIMATIC Rack PC 840 V2
Operating Instructions, Edition 05/2006, A5E00248055-04
11-5
11.1.3
Removing the bus board
Preparation
1. Disconnect the device from mains and unplug all cables.
2. Open the device.
Removing the bus board
How to remove the bus board
1. Remove all modules from their slots
2. Disconnect all connectors from the
bus board.
3. Remove the three screws holding the
bus board
4. Remove the one screw on the
outside of the cubicle rear wall.
5. Remove the bus board from the
motherboard.
