Siemens Simatic S7-400 - Manual (Page 340)

Analog Modules
5-124
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Terminal Assignment Diagram of the SM 431; AI 8 RTD 16 Bit
SO0
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
SE+0
SE–0
AGND
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
INTF
EXTF
Word 0
Word 2
Word 4
Word 6
Word 1
Word 3
Word 5
Word 7
SO1
SE+1
SE–1
AGND
SO2
SE+2
SE–2
AGND
SO3
SE+3
SE–3
AGND
SO4
SE+4
SE–4
AGND
SO5
SE+5
SE–5
AGND
SO6
SE+6
SE–6
AGND
SO7
SE+7
SE–7
AGND
Figure 5-39 Terminal Assignment Diagram of the SM 431; AI 8 x RTD x 16 Bit