Siemens Simatic M7-400 Reference Manual page 348

Analog Modules
Terminal Assignment Diagram of the SM 431; AI 8
INTF
EXTF
0
1
2
3
4
5
6
7
6ES7492-1AL00-0AA0
Figure 5-42 Terminal Assignment Diagram SM 431; AI 8 x 16 Bit
5-132
Optional connector
(screw-type)
1
2
3
4
5
6
7
8
9
M0+
M0+
10
R0
11
12 M0–
13
M1+
14
M1+
15
R1
16
M1–
17
18
M2+
19
M2+
20
A
R2
21
M2–
22
23
24
M3+
M3+
25
V
R3
26
27 M3–
28
M4+
29
M4+
30
V
R4
31
M4–
32
33
M5+
34
M5+
35
A
R5
36
M5–
37
38
39
M6+
40 M6+
Tr
R6
41
42 M6–
43
44 M7+
M7+
45
Tr
R7
46
M7–
47
48
S7-400, M7-400 Programmable Controllers Module Specifications
16 Bit
Connector with Thermocouples
temperature reference Voltage measurement
Current measurement
M0+
M0+
CH0
R0
M0–
M1+
M1+
CH1
R1
M1–
M2+
M2+
V
CH2
R2
M2–
M3+
M3+
CH3
V
R3
M3–
M4+
M4+
A
CH4
R4
M4–
M5+
M5+
A
CH5
R5
M5–
M6+
M6+
CH6
Tr
R6
M6–
M7+
M7+
CH7
Tr
R7
M7–
6ES7431-7KF00-6AA0
Word 0
Word 1
Word 2
Word 3
Word 4
Word 5
Word 6
Word 7
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