M7-400 Expansions
12-8
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Numbering of the Submodule Receptacles
Each receptacle (slot) for an interface submodule has a submodule receptacle
number assigned to it. The submodule receptacle number depends on the
configuration of your CPU or FM. The submodule slot numbers are shown in
Figures 12-4 and 12-5.
You require these submodule receptacle numbers for configurations that you make
in the BIOS setup or to determine the I/O addresses of an interface submodule.
0
15
3
4
69
710
811
FM 456-4 EXM 478
Slot n n+1 n+2 n+3
Figure 12-4 Submodule Receptacle Numbers for the FM 456-4 and EXM 478
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