Siemens Simatic M7-400 Reference Manual page 317

Terminal Assignment Diagram of the SM 431; AI 16 x 13 Bit
Figure 5-34 Terminal Assignment Diagram of the SM 431; AI 16 x 13 Bit
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Voltage measurement
Current measurement
1
2
3
L+
L+
4
5
6 M0+
7
M0–
8
M1+
9 M1–
10
11
M2+
12 M2–
13
M3+
14
M3–
15
16
M4+
Tr
17
M4–
18
M5+
Tr
19
M5–
20
21 M6+
Tr
22
M6–
23
M7+
Tr
24
M7–
25
26
27
28
M8+
29
M8–
30
M9+
31
M9–
32
33 M10+
34 M10–
35 M11+
36 M11–
37
38
M12+
Tr
39
M12–
40
M13+
Tr
41
M13–
42
43 M14+
Tr
44 M14–
45 M15+
Tr
46
M15–
47
M M
48
Word 0
CH0
Word 2
CH1
Word 4
CH2
CH3 Word 6
Word 8
CH4
Word 10
CH5
Word 12
CH6
Word 14
CH7
Word 16
CH8
Word 18
CH9
CH10 Word 20
CH11
Word 22
Word 24
CH12
Word 26
CH13
Word 28
CH14
Word 30
CH15
Analog Modules
5-101