PNOZ XV3P
Operating Manual PNOZ XV3P
20122-EN-05
10
Operating modes
} Single-channel operation: No redundancy in the input circuit, earth faults in the start
and input circuit are detected.
} Dual-channel operation with detection of shorts across contacts: Redundant input cir-
cuit, detects PNOZ XV3P
– earth faults in the start and input circuit,
– short circuits in the input circuit,
– Shorts across contacts in the input circuit.
} Dual-channel operation without detection of shorts across contacts: Redundant input
circuit, detects PNOZ XV3P
– earth faults in the start and input circuit,
– short circuits in the input circuit.
} Automatic start: Unit is active once the input circuit has been closed.
} Monitored start: Unit is active once the input circuit is closed and once the start circuit is
closed after the waiting period has elapsed (see Technical details [ 17]).
} Increase in the number of available contacts by connecting contact expander modules
or external contactors/relays.
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