Siemens Simatic M7-400 Reference Manual page 325

Terminal Assignment Diagram of the SM 431; AI 16
INTF
1
EXTF
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Figure 5-36 Terminal Assignment Diagram of the SM 431; AI 16 x 16 Bit
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Thermocouples
Voltage measurement
Current measurement
L+ L+
M0+
CH0
M0–
M1+
CH1
M1–
M2+
CH2
V
M2–
M3+
CH3
V
M3–
M4+
CH4
M4–
M5+
CH5
M5–
M6+
CH6
M6–
M7+
CH7
M7–
M8+
CH8
A
M8–
M9+
CH9
A
M9–
M10+
CH10
A
M10–
M11+
CH11
A
M11–
M12+
CH12
Tr
M12–
M13+
CH13
Tr
M13–
M14+
CH14
Tr
M14–
M15+
CH15
Tr
M15–
M M
16 Bit
Resistance measurement
Resistance thermometer
M0+
Word 0
M0–
CH0
IC0+
Word 2
IC0–
M1+
Word 4
M1–
CH2
IC1+
Word 6
IC1–
M2+
Word 8
M2–
CH4
IC2+
Word 10
IC2–
M3+
Word 12
M3–
CH6
IC3+
Word 14
IC3–
M4+
Word 16
M4–
CH8
IC4+
Word 18
IC4–
M5+
Word 20
M5–
CH10
IC5+
Word 22
IC5–
M6+
Word 24
M6–
CH12
IC6+
Word 26
IC6–
M7+
Word 28
M7–
CH14
IC7+
Word 30
IC7–
Analog Modules
Word 0
Word 4
Word 8
Word 12
Word 16
Word 20
Word 24
Word 28
5-109