Pilz PNOZ s3 User Manual

PNOZ s3
Operating Manual PNOZ s3
21395-EN-12
8
Unit features
} Positive-guided relay outputs:
– 2 safety contacts (N/O), instantaneous
} 1 semiconductor output
} Connection options for:
– E-STOP pushbuttons
– Safety gate limit switches
– Start buttons
– Light grids and safety switches with detection of shorts across contacts
} 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 channel 1/2
– Start circuit
– Error
} Plug-in connection terminals (either spring-loaded terminal or screw terminal)
} See order reference for unit types
Safety features
The safety relay meets the following safety requirements:
} The circuit is redundant with built-in self-monitoring.
} The safety function remains effective in the case of a component failure.
} The correct opening and closing of the safety function relays is tested automatically in
each on-off cycle.

Pilz PNOZ s3 Specifications

General

Product Type	Safety Relay
Safety Integrity Level	SIL CL 3
Supply Voltage	24 V DC
Number of Auxiliary Contacts	1
Width	22.5 mm
Rated Operational Current Ie	6 A
Protection Class	IP20
Stop Category	0
Standards	EN ISO 13849-1, IEC 62061, EN 60947-5-1, EN 60204-1
Weight	150 g
Number of Safety Contacts	3
Ambient Temperature	-10 to 55 °C