Starting Up
6-22
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Guides
Figure 6-4 Inserting an Interface Submodule in a CPU
Covering Unused Submodule Slots
On delivery, all the submodule slots are secured with a submodule cover. The
cover is attached to the frame of the card slot with screws.
Leave unused submodule slots secured.
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