*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)
Function Description
The safety relay PNOZ XV3P 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 reset circuit Y39-Y40 and the start circuit S13-S14 are closed.
} Input circuit is closed (e.g. E-STOP pushbutton not operated):
– The "START" LED is lit.
– The LEDs "CH.1", "CH.1 [t]", "CH.2" and "CH.2 [t]" are lit.
– Safety contacts 13-14, 23-24, 33-34, 47-48 and 57-58 are closed. The unit is active.
– The "START" LED goes out.
} Input circuit is opened (e.g. E-STOP pushbutton operated):
– The LEDs "CH.1" and "CH.2" go out.
– Safety contacts 13-14, 23-24 and 33-34 are opened redundantly.
– Safety contacts 47-48 and 57-58 open after the delay time has elapsed.
– The LEDs "CH.1 [t]" and "CH.2 [t]" go out.
Before the unit can be restarted, the delay time must have elapsed and the unit must again
be ready for operation.
Set delay time:
On units with selectable delay time, the delay time of the safety contacts 47-48 and 57-58
can be set on the front of the unit using a screwdriver.
Reset function:
The delay time cycle can be ended prematurely by opening the reset circuit Y39-Y40. For
this purpose, one N/C contact is connected between Y39-Y40 instead of a link.
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