Siemens Simatic 620 - Manual (Page 76)

SIMATIC Box PC 620 Expansions
4-16
SIMATIC Box PC 620 Manual
A5E00131465-01
4.4.2 Removal and Installation of an Expansion Card
Proceed as follows:
1. Open the housing as described in Section 4.1.
2. Remove all connectors from the expansion card and note the assignment.
3. Remove the device for holding down the modules as described in Section 4.4.1.
4. Undo the screw 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 card.
Slots for expansion cards Device for holding down the modules
Figure 4-11 Removal/Installation of an Expansion Card