epro MMS 6000 - Page 15

 MMS6110Directionforuse
 Configuration  Page13
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EntryfieldandlistMeasuringrange
Inthisfieldthemeasuringrangeforthecharacteristicalvaluemustbeentered.Now,thecor-
rectevaluationshowninfieldevaluationmustbetakenintoaccountand,ifrequired,be
chosen.Thechoiceofthemeasuringrangeislimitedbyminimumandmaximumvalue.The
lowestmeasuringrangeis400mVppdividedbythesensorsensitivity(e.g.forPR6423:
400mV/8mV/µm=50µmpeak-peak),thehighestpossiblemeasuringrangeis8000mVpp
dividedbythesensorsensitivity.
Exceedingorunderrunoflimitswillbeindicatedbyaredstatusfield.
Entryfields
Measuringchainoperatingrangehighest/lowestlevel(V)
Measuringchainoperatingrangegreatest/smallestdistance(mm)
Theseinputfieldsservethedefinitionofthemeasuringchains’limitsofthelinearmeasuring
range.Thelimitsaredefinedfortheinputsignal(dependingonconvertertype)andforthe
proportionalmeasuringunitaccordingtothesensorsensitivity.
Onselectingpredefinedconvertertypesandsensors,theselimitsaretakenoverautomati-
cally.Ifnecessary,thelimitscanbefreelyselectedormodified.
Ifthereisnoentryforthesignallimits,therelevantfieldwillbeindicatedinredcolor,the
sameappliesifvaluesareoutsidethedefinedlimits.
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ThelimitvaluesofthelinearsignalrangeareusedfordefiningtheOKthresholdsas
well.Thismeansthemeasuringchainisconsideredtobefaultyifthesignallevelex-
ceedstheupperlimitofthelinearrangeplus0.5Vorunderrunsthelowerlimitminus
0.5V.
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Limitvaluesfortheminimumandmaximumdistancetothemeasuringtargetarenomi-
nalvaluesandmaydifferofupto0.2mme.g.forthePR6423.Thesedeviationsdonot
haveanyinfluenceonthemeasuringresultaslongasthegapisinthecentreofthe
sensormeasuringrange(NGLapprox.50%,refertosection3.9).
EntryfieldsEX-VariantandEX-Seriesresistance
Ifonpropertypage"Basis"parameterswitchEX-ihasbeenswitchedon,statusfieldof"se-
riesresistance"willberedifnovalueforaseriesresistanceforasafetybarrierisdefined
(selectionEXtype).
TypesofsafetybarrierscanbetakenoverfromtheEx-BrowserintofieldEx-variant,there-
sistancevalueofthesafetybarrier'sseriesresistancemustbeenteredinthisfieldwith
measuringunitOhm.
Byclickingbutton"Selection",withthemouse,windowEX-Browserwillbeopened,indi-
catingtheavailablepredefinedtypesofsafetybarriers.