Pilz PNOZ s4 User Manual

PNOZ s4
Operating Manual PNOZ s4
21396-EN-21
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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
Interface Module
Class C0
Source
Interface Sensor
Class C1, C2, C3
Drain parameters
Max. test pulse duration 2 ms
Min. input resistance 0,5 kOhm
Max. capacitive load 10 nF
Relay outputs
Interfaces
Source
Interface Module
Class A
Drain
Interface Actuator
Class A
Source parameters
Min. switching voltage 12 V
Max. switching voltage 250 V
Min. switching current 0,003 A
Max. switching current 6 A
Potential isolation Yes

Pilz PNOZ s4 Specifications

General

Safety category	4
Performance level	e
SIL CL	3
Supply voltage	24V DC
Number of safety contacts	3
Number of auxiliary contacts	1
Stop category	0 / 1
Width	45 mm
Depth	121 mm
Rated operational current Ie	6 A
Standards	EN ISO 13849-1, EN 62061