Pilz PNOZ s50 C Uživatelský manuál stáhnout pdf (Strana 15)

Functiondescription

OperatingManualPNOZs50

1002194EN02

INFORMATION

AtthesafeinputsY10andY11/Y20andY21,a"0"signalmustbepresent

beforethecorrespondingoutputO1+/O1/O2+/O2canbeswitchedbya

"1"signalatbothinputs.Ifthisisnotthecase,afaultissignalledandthe

LED"Out1"or"Out2"flashes(thediagrambelowillustratesthis,usingthe

dualpoleinputY10/Y11andtheoutputO1+/O1asanexample).

Fig.:StartupconditionforinputsY10/Y11

INFORMATION

Pleasenote:InputsY10/Y11switchoutputO1+/O1;inputsY20/Y21switch

outputO2+/O2.Intheeventofafault,however,bothoutputswillswitchoff.

StatusoutputsO4/O5alsoswitchoff,irrespectiveoftheswitchstatusofthe

inductiveload.Atthetimeaninput,e.g.Y11,isswitchedon,iftheotherin

put,e.g.Y10,isnotat"0",thefaultsignaloutputO3willsignalafaultviaa

"0"signal.

AftertheoutputO1+/O1and/orO2+/O2isswitchedon,thevoltageU

B1B2

isavailablefora

configurableoverexcitationtimeU

over

.Oncetheoverexcitationtimet

over

haselapsed,the

voltageisreducedthroughpulsewidthmodulation(PWM).Theoverexcitationtimet

over

and

thereducedvoltageU

Avg

areconfiguredviathedisplay.

INFORMATION

Theoverexcitationtimet

over

canalsobeswitchedoffforeachpowercircuit.

Inthiscase,theoutputvoltageofthepowercircuitsO1+/O1and/orO2+/

O2equalsthesupplyvoltageU

B1B2

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Pilz PNOZ s50 C Uživatelský manuál Strana 15