Pilz PNOZ s50 C Bedienungsanleitung PDF herunterladen (Seite 16)

Functiondescription

OperatingManualPNOZs50

1002194EN02

over

B1B2

Avg

Y10, Y11

Y20, Y21

01+, 02+

off

Fig.:Switchingthepowercircuitsonandoff

Legend:

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Y10,Y11,Y20,Y21:SafeinputstoswitchtheoutputsO1+,O2+

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O1+,O2+:Safeoutputs,powercircuit1and2

}

B1B2

:Supplyvoltageofpowercircuits

}

:Switchonpowercircuit

}

over

:Configuredoverexcitationtime

}

off

:Switchoffpowercircuit

}

Avg

:Configuredreducedvoltage(arithmeticmeanofthevoltageattheoutputsonce

theoverexcitationtimehaselapsed)

InputsY10,Y11(orY20,Y21)canbeactivatedviasinglepoleordualpolesafeoutputs.

INFORMATION

Detailsofthewiringcanbefoundinthechapterentitled"Commissioning",

under"Wiring".

4.2.2 Switchingthepowercircuitsonandoff(slowshutdownS35,S36)

Iftheswitchingtimesarenotcritical,theloadsatthepowercircuitscanalsobeshutdown

slowly.Aconnectedbrakeispermittedtohavelongerapplicationtimes,forexample.The

brakeswitcheswithlowernoiseandislowerwearing.

NOTICE

Thepowercircuit'sslowshutdownisnotsafetyrelated.Itmayonlybeused

whenpermittedbythehazardanalysis.

Toshutdowntheinductiveloadsafely,thefastshutdownmustbeactivated

aftertheslowshutdown.Thatwaythebrakehasadualpoleshutdown.

A1/0pulseedgeatoneoftheslowshutdowninputs(S35orS36)switchesoffthecorres

pondingpowercircuit(O1+,O2+)insinglepolemode.Aflywheeldiodemeansthatthecur

rentonlydissipatesthemagneticfieldslowly.

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