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

PNOZ s4.1
Operating Manual PNOZ s4.1
21890-EN-05
3
Safety relay PNOZ s4.1
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
} E-STOP pushbuttons
} Safety gates
} Light beam devices
It is suitable for use in furnaces in accordance with EN 50156-1.
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.
Unit features
} Positive-guided relay outputs:
– 3 safety contacts (N/O), instantaneous
– 1 auxiliary contact (N/C), instantaneous
} 1 semiconductor output
} Connection options for:
– E-STOP pushbuttons
– Safety gate limit switches
– Reset buttons
– Light beam devices
– PSEN
– Safety valves for furnaces
} A connector can be used to connect 1 PNOZsigma contact expansion module
} Operating modes can be set via rotary switch
} LED indicator for:
– Supply voltage
– Input status, channel 1
– Input status, channel 2
– Switch status of the safety contacts
– Start circuit
– Errors
} Plug-in connection terminals (either spring-loaded terminal or screw terminal)