Pilz PNOZ X4 - Unit Features; Safety Features; Block Diagram;Terminal Configuration

PNOZ X4
Operating Manual PNOZ X4
19894-EN-07
7
Unit features
} Positive-guided relay outputs:
– 3 safety contacts (N/O), instantaneous
– 1 auxiliary contact (N/C), instantaneous
} Connection options for:
– E-STOP pushbuttons
– Safety gate limit switches
– Start button
– Light guards and safety switches
} LED display for:
– Supply voltage
– Switch status of the safety contacts
} 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.
Block diagram/terminal configuration
Types: AC
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)