Functiondescription
OperatingManualPNOZs50
1002194EN02
19
4.2.4 FeedbackloopY1,Y2
Theoperatingstateoftheinductiveloadcanbeuploaded,forexample,via
}
Microswitches
}
Proximityswitches
}
Hallsensors
NOTICE
ThedevicemayonlybeoperatedifthefeedbackloopsY1andY2evaluate
theswitchstateoftheconnectedequipment.Thefeedbackloopsmustbe
monitoredcontinuouslyfromthemomenttheventilationtimeelapsesuntil
theoutputshutsdown.Thedevicemaynotbeoperatedunlessthefeed
backloopsareconnected.
Equipmentwithareactiontimeof<3mscannotbeused.Thedevice
switchestothe"I/OFault"state.
ThefeedbackloopcanbeconfiguredforN/CorN/Ocontacts.
The24VvoltageoutputsS11ofthePNOZs50canbeusedtoprovidethe24VDCsupply
totheequipmentinthefeedbackloop.Thisisonlypermittediftestpulsesarenotused.
Otherwiseawiringerrorwillberegistered.
Thefeedbackloopwillonlybeevaluatedafteramax.ventilationandapplicationtime,
whichistobeconfigured.Contactbounceduringapplicationorventilationoftheequipment
isignored.
}
Max.ventilationtime:Periodwithinwhichtheloadmustbeventilatedoncethepower
circuitisswitchedon.
}
Max.applicationtime:Periodwithinwhichtheloadmustbeappliedoncethepowercir
cuitisswitchedoff.
Themax.ventilationandapplicationtime,plustheswitchonbehaviour(N/C/N/O)are
configuredviathedisplay.Themax.applicationtimeisconfiguredseparatelyforslowand
fastshutdown.Themax.ventilationtimeisconfiguredjointlyforslowandfastshutdown.