Siemens SIMATIC S7-300 Module data - Module View and Block Diagram of the SM 331; AI 8 X RTD

Analog Modules
4-126
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Use of the module in the distributed peripheral ET 200M
When you use the SM 331; AI 8 x RTD in the distributed peripheral ET 200M, you
must have one of the following IM 153 x:
• IM 153-1; ab 6ES7153-1AA03-0XB0, E 01
• IM 153-2; ab 6ES7153-2AA02-0XB0, E 05
• IM 153-2; ab 6ES7153-2AB01-0XB0, E 04
Terminal connection diagram and block diagram of the SM 331; AI 8 x RTD
I
c
4+
2
20
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
DC
to
DC
ADC
DAC
L+ M-
Back-
plane
bus
ac-
tiva-
tion
ADC
DAC
ADC
DAC
ADC
DAC
22
40
21
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
K6
I
c
4-
I
c
7+
K7
M7+
M7-
I
c
7-
M
L+
M4-
I
c
0+
K0
M0+
I
c
0-
I
c
1+
K1
M1+
I
c
1-
I
c
2+
M2+
I
c
2-
I
c
3+
K3
M3+
M3-
I
c
3-
M0-
M1-
K2
M2-
K1
I
c6
+
I
c6
-
M6-
M6+
K5
M5-
M5+
I
c5-
I
c5
+
M4+
K4
M
L+
Fault indicator – red
SF
Figure 4-41 Module View and Block Diagram of the SM 331; AI 8 x RTD