Connection Scheme; Figure 5: Pins - SICK SK 20.2 Bedienungsanleitung

3.4 Connection scheme

Shield
Wire bridge
"program"
U
18-30 V
Cable shield
ground clamp
PE

NOTE
Both power supplies U

NOTE
U and U
1

NOTE
Observe the encoder manufacturer's wiring instructions.

NOTE
Potential equalisation to the encoder's PE is recommended.
8026616/2021-03-11 • Subject to change without notice • SICK AG • Waldkirch • Germany • www.sick.com
Signal converter SK 20.2
41
Clock +
42
Clock -
21
Data +
Data -
22
Ground
44
U
24
1
23
13
14
25
U
1
1
45
0 V
and U
1
may be fed from one source if no galvanic insulation is needed.
2
SK 20.2
12
31
11
32
35
15
34
33
max. 50 mA
43 Ground connection

Figure 5: Pins

are required.
2
27
0-10 V
Signal ground
4-20 mA
Shield
U
U
2
2
18-30 V
0 V
+ U
max. 30 V
Ready
signal
Relay
B
PLC