beautypg.com

Siemens Simatic S7-400 User Manual

Page 202

background image

Digital Modules

4-80

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

Terminal Assignment and Block Diagram of the SM 422;
DO 8

120/230 VAC/5 A

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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

1L

1N

1

2L

0

7L

7N

7

8L

6

3L

3N

3

4L

2

5L

5N

5

6L

4

Data register and bus control

LED control

t

F100

F200

F300

F400

F500

F600

F700

F800

6N

8N

2N

4N

INFT
EXTF

Process

Module

Figure 4-19

Terminal Assignment and Block Diagram of the SM 422; DO 8

120/230 VAC/5 A

This manual is related to the following products: