Siemens SIMATIC S7-400 Reference Manual page 275

Connection diagram for SM 431; AI 16 x 16 bit
Figure 5-33
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
INTF
1
EXTF
2
3
L+
4
5
6
7
8
9
10
11
V
12
13
V
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
29
30
A
31
32
33
A
34
35
A
36
37
38
Tr
39
40
Tr
41
42
43
Tr
44
45
Tr
46
47
M
48
Connection diagram for SM 431; AI 16 x 16 bit
Thermocouples
Voltage measurement
Current measurement
L+
M0+
CH0 Word 0
M0-
M1+
CH1 Word 2
M1-
M2+
CH2
Word 4
M2-
M3 +
CH3 Word 6
M3-
M4+
CH4 Word 8
M4-
M5+
CH5 Word 10
M5-
M6+
CH6 Word 12
M6-
M7+
CH7 Word 14
M7-
M8+
CH8 Word 16
M8-
M9+
Word 18
CH9
M9-
M10+
CH10 Word 20
M10-
M11+
CH11 Word 22
M11-
M12+
CH12 Word 24
M12-
M13+
Word 26
CH13
M13-
M14+
CH14
Word 28
M14-
M15+
CH15
Word 30
M15-
M
Analog modules
Resistance measurement
Resistance thermometer
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-
M4+
M4-
CH8 Word 16
IC4+
IC4-
M5+
M5-
CH10
Word 20
IC5+
IC5-
M6+
M6-
CH12 Word 24
IC6+
IC6-
M7+
M7-
CH14 Word 28
IC7+
IC7-
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