
SIMATIC Rack PC 840 Expansions
4-19
SIMATIC Rack PC 840 Manual
A5E00104826-03
4.8
Removal and Installation of the Motherboard
1. Open the housing as described in Section 4.1.
2. Remove all the modules from the slots (proceed as described in Section 4.4.2).
3. Remove the bus board as described in Section 4.7.
4. Remove all cables from the motherboard and note down their assignment.
5. Undo the screws and the three hex bolts on the motherboard. Undo the ten hex
screws at the ports on the outside of the housing.
6. Proceed in reverse order to refit the motherboard.
Fixing screws on the motherboard
Figure 4-14 Fixing Screws on the Motherboard
The motherboard is available as a spare part without processor, memory modules
and bus board.
Summary of Contents for SIMATIC Box PC 840
Page 8: ...Preface viii SIMATIC Rack PC 840 Manual A5E00104826 03 ...
Page 179: ...B 1 SIMATIC Rack PC 840 Manual A5E00104826 03 Technical Specifications B ...
Page 208: ...Glossary Glossary 22 SIMATIC Rack PC 840 Manual A5E00104826 03 ...
Page 212: ...Index Index 4 SIMATIC Rack PC 840 Manual A5E00104826 03 ...