Siemens Simatic S7-400 User Manual
Page 288
Analog Modules
5-72
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Terminal Assignment Diagram of the SM 431; AI 8
13 Bit
MANA
V
A
V
A
Voltage
measurement
Current measure-
ment
Resistance mea-
surement
MV0+
MV0+
M0+
M0–
M1+
M1–
M2+
M2–
M3+
M3–
M0–
MV1+
M1–
MV2+
M2–
MV3+
M3–
M
MV4+
M4–
MV5+
M5–
MV6+
M6–
MV7+
M7–
MV7+
MI7+
MI7+
M7–
MV6+
MI6+
MI6+
M6–
MV5+
MI5+
MI5+
M5–
MV4+
MI4+
MI4+
M4–
MV3+
MI3+
MI3+
M3–
MV2+
MI2+
MI2+
M2–
MV1+
MI1+
MI1+
M1–
MI0+
MI0+
M0–
IC0+
IC0–
IC1+
IC1–
IC2+
IC2–
IC3+
IC3–
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH0
CH2
CH4
CH6
ANA
29
30
31
32
33
34
35
36
37
39
40
41
42
43
44
45
46
47
48
38
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Word 0
Word 2
Word 4
Word 6
Word 8
Word 10
Word 12
Word 14
Word 0
Word 4
Word 8
Word 12
Figure 5-26
Terminal Assignment Diagram of the SM 431; AI 8 x 13 Bit