Siemens SIMATIC S7-400 Reference Manual page 239

Connection diagram for SM 431; AI 8 x 14 bit
Figure 5-25
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
1
2
3
L+
4
5
6
7
8
9
10
11
V
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
V
29
30
31
32
33
V
34
35
36
37
38
Tr
39
40
41
42
43
Tr
44
45
46
47
M
48
Connection diagram for SM 431; AI 8 x 14 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+
Word 8
CH4
M4-
M5+
CH5 Word 10
M5-
M6+
Word 12
CH6
M6-
M7+
CH7
Word 14
M7-
M
Analog modules
Resistance measurement
Resistance thermometer
M0+
M0-
Word 0
CH0
IC0+
IC0-
M1+
M1-
CH2
Word 4
IC1+
IC1-
M2+
M2-
Word 8
CH4
IC2+
IC2-
M3 +
M3-
CH6
Word 12
IC3 +
IC3-
M
239