PSEN cs4.2a
Operating Manual PSEN cs4.2a
1003575-EN-08
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Classification according to ZVEI, CB24I
The following tables describe the classes and specific values of the product interface and
the classes of interfaces compatible with it. The classification is described in the ZVEI posi-
tion paper "Classification of Binary 24 V Interfaces - Functional Safety aspects covered by
dynamic testing".
Input
Interfaces
Drain
Class
C2
Source
Class
C2, C3
Drain parameters
Test pulse duration, safety outputs
500 µs
Min. test pulse interval
1,25 ms
Min. input resistance
6,6 Ohm
Max. capacitive load
18 pF
Single-pole output
Interfaces
Source
Interface
Sensor
Class
C2
Drain
Class
C1, C2
Source parameters
Max. test pulse duration
450 µs
Max. rated current
0,1 A
Max. capacitive load
0,4 µF
