Overview
OperatingManualPNOZs50
1002194EN02
7
2 Overview
2.1 Unitstructure
2.1.1 Scopeofsupply
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PWMrelayPNOZs50
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Connectionterminals(springloadedterminals)
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Chipcard
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Chipcardholder
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Documentationondatamedium
2.1.2 Unitfeatures
UsingtheproductPNOZs50:
PWMrelayforthesafeactivationofinductiveloads,e.g.valves,mechanicalholding
brakes.
Theproducthasthefollowingfeatures:
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Semiconductoroutputs
– 2dualpolefailsafepoweroutputs,ratedvoltages24Vor48VDC,e.g.formechan
icalholdingbrakes,valves
– Outputvoltagecanbereducedthroughpulsewidthmodulation(PWM)
– PotentialofthepoweroutputsconnectedtothesupplyvoltageB1/B2
– 1singlepolefailsafeoutputforerror
– 2singlepolefailsafeoutputsforstatusofthepowercircuits
– 2testpulseoutputs
– PotentialofthesinglepoleoutputsconnectedtosupplyvoltageA1/A2
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Semiconductorinputs
– 4failsafeinputsforactivatingthepoweroutputs(fastshutdownofpowercircuits)
– 2singlepolestandardinputsforactivatingthepoweroutputs(slowshutdownof
powercircuits)
– 2singlepolestandardinputsforfeedbackloops
PotentialofthesemiconductorinputsconnectedtosupplyvoltageA1/A2
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Supplyvoltage
– 24VDCfordevice
– Forpowercircuits,ratedvoltage24V,48VDC
Supplyvoltagefordeviceandpowercircuitareisolatedfromeachother
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Voltageoutput24VDC
PotentialconnectedtosupplyvoltageA1/A2
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Canbeconfiguredviathedisplayonthedevice
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Configurationisstoredonachipcard