Siemens Simatic M7-400 Reference Manual page 202

Digital Modules
Terminal Assignment and Block Diagram of the SM 422;
DO 8 120/230 VAC/5 A
Process
Figure 4-19 Terminal Assignment and Block Diagram of the SM 422; DO 8
4-80
1 INFT
2 EXTF
3
4 0
5 1L
6 F100
1N
7
8
9
10 1
2L
11
12 F200
13
2N
14
15
2
16 3L
17 F300
18 3N
19
20
21
3
22 4L
23 F400
24
4N
25
26
27
4
28 5L
29
F500
30 5N
31
32
33
5
34 6L
35 F600
36 6N
37
38
39
6
7L
40
41
F700
42 7N
43
44
45
7
46 8L
47 F800
8N
48
S7-400, M7-400 Programmable Controllers Module Specifications
Module
t
120/230 VAC/5 A
A5E00069467-07