Pilz PNOZ s4 C 48-240VACDC 3 n/o 1 n/c - Manual (Page 5)

PNOZ s4
Operating Manual PNOZ s4
21396­EN­13 5
INFORMATION
This gives advice on applications and provides information on special fea­
tures.
PNOZ s4 safety relay
The safety relay provides a safety­related interruption of a safety circuit.
The safety relay meets the requirements of EN 60947­5­1, EN 60204­1 and VDE 0113­1
and may be used in applications with
} E­STOP pushbuttons
} Safety gates
} Light beam devices
Units with the following order numbers can be used as a safety component for lifts in ac­
cordance with Annex IV of the directive 95/16/EC and EN 81­1:
} 750 104
} 751 104
} 750 134
} 751 134
For your safety
} 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.
} Any guarantee is rendered invalid if the housing is opened or unauthorised modifica­
tions are carried out.
} With railway applications in accordance with EN 50155: The unit may only be access­
ible for maintenance and repair and not during operation.
Unit features
} Positive­guided relay outputs:
– 2 safety contacts (N/O), instantaneous
– 1 auxiliary contact (N/C), instantaneous
} 1 semiconductor output
} Connection options for:
– E­STOP pushbutton
– Safety gate limit switch
– Start button
– Light beam device
– PSEN