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Pilz PNOZ X2.8P User Manual

Pilz PNOZ X2.8P
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PNOZ X2.8P
Operating Manual PNOZ X2.8P
1004082-EN-20
| 10
Function Description
The safety relay PPNOZ X2.8P provides a safety-oriented interruption of a safety circuit.
When supply voltage is supplied the "POWER" LED is lit. The unit is ready for operation
when the start circuit S12-S34 is closed.
} Input circuit is closed (e.g. E-STOP pushbutton not operated):
LEDs "CH1" and "CH2" will light.
Safety contacts 13-14, 23-24 and 33-34 are closed, auxiliary contact 41-42 is open.
The unit is active.
} Input circuit is opened (e.g. E-STOP pushbutton operated):
The LEDs "CH1" and "CH2" go out.
Safety contacts 13-14, 23-24 and 33-34 are opened redundantly, auxiliary contact
41-42 is closed.
Operating modes
} Single-channel operation: No redundancy in the input circuit, earth faults in the start and
input circuit are detected.
} Dual-channel operation without detection of shorts across contacts: Redundant input cir-
cuit, detects PNOZ X2.8P
earth faults in the start and input circuit,
short circuits in the input circuit.
} Dual-channel operation with detection of shorts across contacts: Redundant input circuit,
PNOZ X2.8P detects
earth faults in the start and input circuit,
short circuits in the input circuit,
shorts across contacts in the input circuit.
} Automatic start: Unit is active once the input circuit has been closed.
} Manual start: Unit is active once the input circuit and the start circuit are closed.
} Increase in the number of available contacts by connecting contact expandsion modules
or external contactors/relays.
Timing diagram
[1][1] [2][2]
3 3

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Pilz PNOZ X2.8P Specifications

General IconGeneral
BrandPilz
ModelPNOZ X2.8P
CategoryRelays
LanguageEnglish

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