Leuze electronic S20 Series Operation Instructions Manual page 17

Electrical connection
Unscrew the housing cover.
Connect the contact block according to the circuit diagram.
+24V
-A1
0V
PE
Figure 7.3: Connection example S20-P3C1-M20-FH
+24V
-A1
0V
PE
Figure 7.4: Connection example S20-P1C1-M20-FH
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11 12 21 22
S20-P3C1-M20-FH
21 22 13 14
S20-P1C1-M20-FH
1 1 1
2 2 2
-A3
A1 S22 S12 S31 S33
MSI-SR4
A2
Var. B
-K3
Var. A
-K4 -K3 -K4
1 2
1 1
2 2
-A3
A1 S22 S12 S31 S33
MSI-SR4
A2
Var. B
-K3
Var. A
-K4 -K3 -K4
-K3
-K4
L+ L+
1 1
-S1
2 2
S34 S35 13 23 33
14 24 34
*
A1
-K3
A2
*
A1
-K4
A2
L- L-
-K3
-K4
L+ L+
1 1
-S1
2 2
S34 S35 13 23 33
14 24 34
*
A1
-K3
A2
*
A1
-K4
A2
L- L-
+24V
L+
1
2
41
42
x1
x2
L-
0V
PE
+24V
L+
1
2
41
42
x1
x2
L-
0V
PE