Siemens Simatic M7-400 Reference Manual page 288

Analog Modules
Terminal Assignment Diagram of the SM 431; AI 8
1
2
3
4
5
6
7
V
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
M ANA
26
27
28
29
V
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Figure 5-26 Terminal Assignment Diagram of the SM 431; AI 8 x 13 Bit
5-72
Voltage
measurement
MV0+
CH0
M0–
MV1+
CH1
A
M1–
MV2+
CH2
M2–
MV3+
CH3
M3–
M
ANA
MV4+
CH4
M4–
MV5+
CH5
A
M5–
MV6+
CH6
M6–
MV7+
CH7
M7–
S7-400, M7-400 Programmable Controllers Module Specifications
13 Bit
Current measure-
ment
MV0+
MI0+
Word 0 CH0
MI0+
M0–
MV1+
MI1+
Word 2 CH1
MI1+
M1–
MV2+
MI2+
Word 4 CH2
MI2+
M2–
MV3+
MI3+
Word 6 CH3
MI3+
M3–
MV4+
MI4+
Word 8 CH4
MI4+
M4–
MV5+
MI5+
Word 10 CH5
MI5+
M5–
MV6+
MI6+
Word 12 CH6
MI6+
M6–
MV7+
MI7+
CH7
Word 14
MI7+
M7–
Resistance mea-
surement
M0+
M0–
CH0 Word 0
IC0+
IC0–
M1+
M1–
CH2 Word 4
IC1+
IC1–
M2+
M2–
CH4 Word 8
IC2+
IC2–
M3+
M3–
CH6 Word 12
IC3+
IC3–
A5E00069467-07