Pilz PZE X4 24VDC 4n/o User Manual download pdf (Page 12)

PZEX4

OperatingManualPZEX4

1003199EN08

Mechanicaldata 774585

Dimensions

Height 87,0mm

Width 22,5mm

Depth

121,0mm

Weight

175g

Thestandardscurrenton200912apply.

Safetycharacteristicdata

Operating

mode

ENISO

138491:

2008

ENISO

138491:

2008

Category

ENIEC

62061

SILCL

ENIEC

62061

PFH

[1/h]

IEC61511

SIL

IEC61511

PFD

ENISO

138491:

2008

[year]

– PLe Cat.4 SILCL3 2,31E09 SIL3 2,03E06 20

Alltheunitsusedwithinasafetyfunctionmustbeconsideredwhencalculatingthesafety

characteristicdata.

INFORMATION

Asafetyfunction'sSIL/PLvaluesarenotidenticaltotheSIL/PLvaluesof

theunitsthatareusedandmaybedifferent.Werecommendthatyouuse

thePAScalsoftwaretooltocalculatethesafetyfunction'sSIL/PLvalues.

Supplementarydata

CAUTION!

Itisessentialtoconsidertherelay'sservicelifegraphs.Therelayoutputs'

safetyrelatedcharacteristicdataisonlyvalidifthevaluesintheservicelife

graphsaremet.

ThePFHvaluedependsontheswitchingfrequencyandtheloadontherelayoutput.Ifthe

servicelifegraphsarenotaccessible,thestatedPFHvaluecanbeusedirrespectiveofthe

switchingfrequencyandtheload,asthePFHvaluealreadyconsiderstherelay'sB10d

valueaswellasthefailureratesoftheothercomponents.

Servicelifegraph

Theservicelifegraphsindicatethenumberofcyclesfromwhichfailuresduetowearmust

beexpected.Thewearismainlycausedbytheelectricalload;themechanicalloadisnegli

gible.

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Pilz PZE X4 24VDC 4n/o User Manual Page 12

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