Pilz PNOZ s4 C 48-240VACDC 3 n/o 1 n/c Uživatelský manuál Strana 7

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PNOZs4
OperatingManualPNOZs4
21396EN13
7
Functiondescription
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In2+
Singlechanneloperation:noredundancyintheinputcircuit,earthfaultsinthestart
circuitandinputcircuitaredetected.
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Dualchanneloperationwithoutdetectionofshortsacrosscontacts:redundantinputcir
cuit,detects
earthfaultsinthestartandinputcircuit,
shortcircuitsintheinputcircuitand,withamonitoredstart,inthestartcircuittoo.
}
In2-
Dualchanneloperationwithdetectionofshortsacrosscontacts:redundantinputcir
cuit,detects
earthfaultsinthestartandinputcircuit,
shortcircuitsintheinputcircuitand,withamonitoredstart,inthestartcircuittoo,
shortsbetweencontactsintheinputcircuit.
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Automaticstart:Unitisactiveoncetheinputcircuithasbeenclosed.
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Manualstart:Unitisactiveoncetheinputcircuitisclosedandthenthestartcircuitis
closed.
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Monitoredstartwithfallingedge:Unitisactiveonce
theinputcircuitisclosedandthenthestartcircuitisclosedandopenedagain.
thestartcircuitisclosedandthenopenedagainoncetheinputcircuitisclosed.
}
Monitoredstartwithrisingedge:Unitisactiveoncetheinputcircuitisclosedand
oncethestartcircuitisclosedafterthewaitingperiodhaselapsed(seetechnicalde
tails).
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Startwithstartuptest:Theunitcheckswhethersafetygatesthatareclosedare
openedandthenclosedagainwhensupplyvoltageisapplied.
}
Increaseinthenumberofavailableinstantaneoussafetycontactsbyconnectingcon
tactexpandermodulesorexternalcontactors/relays;
Aconnectorcanbeusedtoconnect1PNOZsigmacontactexpandermodule.
Installation
Installbaseunitwithoutcontactexpansionmodule:
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Ensurethattheplugterminatorisinsertedatthesideoftheunit.
ConnectbaseunitandPNOZsigmacontactexpansionmodule:
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Removetheplugterminatoratthesideofthebaseunitandatthecontactexpansion
module.
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Connectthebaseunitandthecontactexpansionmoduletothesuppliedconnectorbe
foremountingtheunitstotheDINrail.
Installationincontrolcabinet
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Thesafetyrelayshouldbeinstalledinacontrolcabinetwithaprotectiontypeofatleast
IP54.
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UsethenotchontherearoftheunittoattachittoaDINrail(35mm).
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Wheninstalledvertically:Securetheunitbyusingafixingelement(e.g.retaining
bracketorendangle).
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