SICK SK 20.2 - Connection Scheme

Signal converter SK 20.2
27
3.4 Connection scheme
Figure 5: Pins

NOTE
Both power supplies U
1
and U
2
are required.

NOTE
U
1
and U
2
may be fed from one source if no galvanic insulation is needed.

NOTE
Observe the encoder manufacturer’s wiring instructions.

NOTE
Potential equalisation to the encoder’s PE is recommended.
41
25
35
33
42
45
15
34
44
12
24
13
31
23
14
32
21
22
SK 20.2
43
11
Ready
signal
PLC
Signal ground
Shield
U
1
Clock +
Ground
Shield
Clock -
Data +
Data -
Wire bridge
"program"
SSI encoder
Analog
output
Ground connection
U
1
U
1
18-30 V
0 V
U
2
18-30 V
U
2
max. 30 V
+ U
B
4-20 mA
0-10 V
0 V
max. 50 mA
Relay
Cable shield
ground clamp
PE
8026616/2021-03-11 • Subject to change without notice • SICK AG • Waldkirch • Germany • www.sick.com