Siemens SIMATIC Rack PC 840 - Removal and Installation of an Expansion Module

SIMATIC Rack PC 840 Expansions
4-13
SIMATIC Rack PC 840 Manual
A5E00104826-03
4.4.2 Removal and Installation of an Expansion Module
Proceed as follows:
1. Open the housing as described in Section 4.1.
2. Remove all connectors from the expansion module and note the assignment.
3. Remove the device for holding down the modules as described in Section 4.4.1.
4. Undo the screws on the slot plate of the module.
5. Pull the module out of the slot.
6. Proceed in the reverse order to install the new expansion module.
Slots for expansion modules
Screws at
slot plate
Figure 4-9 Removal/Installation of an Expansion Module