Connection and circuit diagram for SM 421; DI 16 x UC 24/60 V
L
N
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
1 N
1
2
4 N
4
5
6
0
2 N
3 N
3
5 N
6 N
7 N
7
8 N
0
9 N
1
10 N
2
11 N
3
12 N
4
13 N
5
14 N
6
15 N
7
16 N
INTF
EXTF
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
Process
Module
Front connector jumper
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Adaptation
Data register and bus control
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Input
Diagnostics
Figure 4-6
Connection and circuit diagram for SM 421; DI 16 x UC 24/60 V
Technical specifications for SM 421; DI 16 x UC 24/60 V
Dimensions and weight
Dimensions W x H x D (mm)
25 x 290 x 210
Weight
ca. 600 g
Module-specific data
Digital modules
4.10 Digital input module SM 421; DI 16 x UC 24/60 V (6ES7421-7DH00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
113