Connection Diagrams - WIKA ELS Betriebsanleitung

5. Commissioning, operation
RC elements for reed contacts 40 ... 100 VA
Voltage
AC 24 V
AC 48 V
EN
AC 115 V
AC 230 V
Connection with capacitive load
AC voltage current limitation
e.g. for electronic time relay
S1
+
AC 230 V
–
Current limitation, DC voltage
e.g. for PLC, PCS and cables > 50 m
S1
+
DC 24 V
–

Connection diagrams

Colour coding per IEC 757
Number of switch points
1 level switch point
(change-over contact)
14
Resistance
47 Ω
100 Ω
470 Ω
1,000 Ω
R
S
R
S
C
To increase the service life of the contacts, we recommend
operation with a contact protection relay.
Capacitance
0.33 μF
0.33 μF
0.33 μF
0.33 μF
R = 220 Ω (for AC 230 V)
S
C
C₁ = internal capacitance
1
Relay
R = 22 Ω (47 Ω for contacts ≤ 10 VA)
S
C₁ = internal capacitance
1
PLC
Connection housing
GY 1
BN 2 L1
BK 3
Operating instructions float switch, model ELS
Type of RC element
B 3/24
B 3/48
B 3/115
B 3/230