Pnoz s4 safety relay, For your safety, Unit features – Pilz PNOZ s4 C 48-240VACDC 3 n/o 1 n/c User Manual
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PNOZ s4
Operating Manual PNOZ s4
21396-EN-12
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PNOZ s4 safety relay
The safety relay provides a safety-related interruption of a safety circuit.
The safety relay meets the requirements of EN 60947-5-1, EN 60204-1 and VDE 0113-1
and may be used in applications with
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E-STOP pushbuttons
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Safety gates
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Light beam devices
and as a safety component for lifts in accordance with Annex IV of the directive 95/16/EC
and EN 81-1.
For your safety
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Only install and commission the unit if you have read and understood these operating
instructions and are familiar with the applicable regulations for health and safety at work
and accident prevention.
Ensure VDE and local regulations are met, especially those relating to safety.
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Any guarantee is rendered invalid if the housing is opened or unauthorised modifica-
tions are carried out.
Unit features
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Positive-guided relay outputs:
– 3 safety contacts (N/O), instantaneous
– 1 auxiliary contact (N/C), instantaneous
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1 semiconductor output
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Connection options for:
– E-STOP pushbutton
– Safety gate limit switch
– Start button
– Light beam device
– PSEN
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A connector can be used to connect 1 PNOZsigma contact expansion module
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Operating modes can be set via rotary switch
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LED indicator for:
– Supply voltage
– Input status, channel 1
– Input status, channel 2
– Switch status of the safety contacts
– Start circuit
– Errors
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Plug-in connection terminals (either spring-loaded terminal or screw terminal)