Pilz P2HZ X1 - Operating Modes and Timing

P2HZ X1
Operating Manual P2HZ X1
20124-EN-09
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Semiconductor output supply voltage Y35:
} A high signal is present at semiconductor output Y35 if the supply voltage is present and
the internal fuse has not blown.
Operating modes
} Dual-channel operation with detection of shorts across contacts: Redundant input circuit,
P2HZ X1 detects
– earth faults in the start and input circuit,
– short circuits in the input circuit,
– shorts across contacts in the input circuit.
Timing diagram
POWER
Feedback loop
Output safe
Button 1
t0 t1 t2 t3 t3 t1
Button 2
Out semi CH
Output aux.
Out semi RUN
t1
Legend
} POWER: Supply voltage
} Button 1/Button 2: Pushbutton in the input circuit
} Feedback loop: Feedback loop
} Output safe: Safety outputs
} Output aux: Auxiliary contact
} Out semi RUN: Semiconductor output supply voltage
} Out semi CH: Semiconductor output switch state
} t
0
: Recovery time after power on
} t
1
: Simultaneity, channel 1 and 2
} t
2
: Operating cycle ended through pushbutton 1 or 2
} t
3
: Y1-Y2 must be closed before the button is operated (recovery time)
Shaded area: State irrelevant