Siemens Simatic S7-400 - Page 305

Circuit diagram for SM 431; AI 8 x 16 bit
R0
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
M0+
M0+
M0-
INTF
EXTF
V
A
V
A
Tr
Tr
R1
M1+
M1+
M1-
R2
M2+
M2+
M2-
R3
M3 +
M3 +
M3-
R4
M4+
M4+
M4-
R5
M5+
M5+
M5-
R6
M6+
M6+
M6-
R7
M7+
M7+
M7-
0
1
2
3
4
5
6
7
R0
M0+
M0+
M0-
A
A
V
V
Tr
Tr
R1
M1+
M1+
M1-
R2
M2+
M2+
M2-
R3
M3 +
M3 +
M3-
R4
M4+
M4+
M4-
R5
M5+
M5+
M5-
R6
M6+
M6+
M6-
R7
M7+
M7+
M7-
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
6ES7431-7KF00-6AA06ES7492-1AL00-0AA0
Optional connector
(screw-type)
Connector with
temperature reference
Thermocouples
Voltage measurement
Current measurement
Word 0
Word 1
Word 2
Word 3
Word 4
Word 5
Word 6
Word 7
Figure 5-39 Circuit diagram for SM 431; AI 8 x 16 bit
Analog modules
5.25 Analog input module SM 431; AI 8 x 16 Bit (6ES7431-7KF00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 305