Connecting inputs
55
1SVC 440 795 M1100
Increasing the input current
The following input circuit can be used in order to prevent
interference and also when using two-wire proximity
switches:
Figure: 37: Increasing the input current
A resistor can be connected in series with the circuit shown
in order to restrict the inrush current.
Figure: 38: Limitation of the inrush current with a resistor
L1
N
R10R9R8R7R6R5R4R3R2R1E+ E– R11 R12 NNL
115/230 V h
F1
100 nF/275 V h
h
When using a 100 nF capacitor, the drop-out time of the
input increases by 80 (66.6) ms at 50 (60) Hz.
L1
N
R10R9R8R7R6R5R4R3R2R1E+ E– R11 R12 NNL
115/230 V h
F1
100 nF/275 V h
1 kO
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