Pilz P2HZ X1 - General Safety Precautions; Unit Features; Safety Features

P2HZ X1
Operating Manual P2HZ X1
20124-EN-09
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For your safety
The unit meets all the necessary conditions for safe operation. However, please note the
following:
} Note for overvoltage category III: If voltages higher than low voltage (>50 VAC or >120
VDC) are present on the unit, connected control elements and sensors must have a rated
insulation voltage of at least 250 V.
Unit features
} Positive-guided relay outputs:
– 3 safety contacts (N/O), instantaneous
– 1 auxiliary contact (N/C), instantaneous
} 2 semiconductor outputs
} Connection options for:
– 2 control elements (pushbuttons)
} LED display for:
– Supply voltage
– Switch status of the safety contacts
} Semiconductor outputs signal:
– Supply voltage is present
– Switch status of the safety contacts
Safety features
The two-hand control 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 circuit prevents a further press stroke in the case of:
– Relay failure
– Contact welding
– Coil defect on a relay
– Open circuit
– Short circuit