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Classification according to ZVEI, CB24I
17
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
Source
Class
Drain parameters
Max. test pulse duration
Min. test pulse interval
Min. input resistance
Max. capacitive load
Single-pole output
Interfaces
Source
Class
Drain
Class
Parameter source
Max. test pulse duration
Max. rated current
Max. capacitive load
Operating Manual PSEN sl2-IL1/2/3-P
1005909-EN-02
C2
C2, C3
0,5 ms
2 ms
2,7 kOhm
1 nF
C2
C1, C2
450 µs
0,1 A
70 nF
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