Siemens Simatic S7-400 - Manual (Page 479)

M7-400 Expansions
12-9
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
3
0 8
6
7
9 12
10 13
11 14
CPU 486-3/
CPU 488-3 EXM 478
Slot n n+2 n+3 n+4 n+1
Figure 12-5 Submodule Receptacle Numbers for the CPU 486-3, CPU 488-3, and
EXM 478