Siemens Simatic M7-400 Reference Manual page 210

Digital Modules
Terminal Assignment Diagram of the SM 422; DO 16
Process
Byte 0
Byte 1
Figure 4-21 Terminal Assignment Diagram of the SM 422; DO 16
4-88
1
INTF
2 EXTF
3
4 0
5 1L1
6
1
7 2L1
8
2
9 3L1
10
3
11 4L1
12
13
14
15 4
16 5L1
17 5
18 6L1
19 6
20 7L1
21 7
22 8L1
23
24
25
26
27
0
28 9L1
29 1
30 10L1
31
2
32 11L1
33
3
34 12L1
35
36
37
38
39 4
40 13L1
41 5
42 14L1
43 6
44 15L1
45
7
46 16L1
47
48
S7-400, M7-400 Programmable Controllers Module Specifications
20-120 VAC/2 A
Module
t
20-120 VAC/2 A
A5E00069467-07