LCT Operator's Guide
Transcript of LCT Operator's Guide
IntrinsicallyZSafeZisolatorZorZbarrier
Measurementinstrumentation
LCTPCZwithsoftware
PowerZsupply
HazardousZArea
(AllZZonesZIICZandZIIIC)
SafeZArea
(Non-Hazardous)
ToZtheZsensor
Introduction
ItCisCdesignedCtoCbeCconnectedCtoCtheC4z2RCmACcurrentCloopConCtheCsafeCsideCofCanCIntrinsicallyCSafeCbarrierCorCisolatorOCandCtoCaCWindowsCPCCviaCUSBDThisCmanualCdescribesChowCtoCconnectCtheCLCTCandCuseCitCtoCconfigureCtheCsensorDCForCinformationConCconnectingCandCusingCtheCsensorCitselfOCpleaseCreferCtoCtheCsensorCmanualDC
TheCLoopCConfigurationCToolCmodelCLCTCisCaCconfigurationCadapterCforCExTempCinfraredCtemperatureCsensorsDC
Warning
ThisCdeviceCMUSTCNOTCbeCusedCinChazardousCareasDCItCisCnotCcertifiedCforCuseCinCexplosiveCatmospheresCandCmayConlyCbeCconnectedConCtheCsafeCsideCofCaCsuitableOCcertifiedCIntrinsicallyCSafeCbarrierCorCisolatorDC
DoCnotCattemptCtoCrepairCaCfaultyCunitDCContactCtheCvendorCtoCarrangeCaCreturnDC
ElectricalCConnection
ConnectCtheCdeviceCtoCtheC4z2RCmACmeasurementCloopCviaCtheChookztypeCconnectorsDCForCreliableCcommunicationsOCtheCtotalCresistanceCRLConCtheC4z2RCmACloopCshouldCbeCwithinCtheCrangeCspecifiedConCtheCconnectionCdiagramsDCYouCmayCneedCtoCconnectCaCresistorCinCseriesCwithCtheCexistingCmeasurementCinstrumentationConCtheC4z2RCmACloopCtoCensureCthisDC
!
Example2Isolator:2model2MTL5541
200 Ω ≤ RL ≤ 800 ΩExample2Barrier:2MTL7706+
2
RL LCT-
+
MTL7706+
1
+
Earth pin
11
12RL LCT
-
+
-
+4/20 mA
MTL5541
11
12
RL
LCT
-
+
MTL5541 10
220 Ω -
+
4/20 mA
+
This2isolator2has2an2internal2resistance2of2220Ω.2Two2wiring2configurations2are2possible,2depending2on2whether2or2not2this2internal2resistance2is2used.
Configuration2A: 400 Ω ≤ RL ≤ 800 Ω Anot2using2the2internal2resistance(
180 Ω ≤ RL ≤ 580 ΩConfiguration2B: Ausing2the2internal2resistance(
ElectricalvInterference
Tovminimisevelectromagneticvinterferencevorv‘noise’BvthevsensorvandvconfigurationvtoolvshouldvbevmountedvawayvfromvmotorsBvgeneratorsvandvsuchvlike.
MaintenancevandvTroubleshooting
OurvtechnicalvsupportvengineersvarevavailablevforvapplicationvassistanceBvcalibrationBvrepairBvandvsolutionsvtovspecificvproblems.vContactvourvServicevDepartmentvbeforevreturningvanyvequipment.vInvmanyvcasesBvproblemsvcanvbevsolvedvovervthevtelephone.vContactvusvforvfurthervadvice.
Guarantee
Calexvguaranteesveachvinstrumentvitvmanufacturesvtovbevfreevfromvdefectvinvmaterialvandvworkmanshipvundervnormalvusevandvservicevforvthevperiodvofvtwovyearsvfromvthevdatevofvpurchase.vThisvguaranteevextendsvonlyvtovthevoriginalvbuyervaccordingvtovthevCalexvTermsvandvConditionsvofvSale.
IssuevAvJanv15
SoftwarevInstallation
SoftwarevisvincludedvonvavminivCD.vInstallvthevsoftwarevbeforevconnectingvthevUSBvadaptervtovthevPC.vThisvwillvensurevthevdrivervisvproperlyvinstalled.v
ThevlatestvversionvofvthevsoftwarevisvavailablevforvdownloadvfromvthevCalexvwebsite.v
UsingvthevSoftware
Seevthevsoftwarevinterfacevdiagramvoverleaf.v
vvIfvthevSettingsviconvisvgreyedvoutBvthevsoftwarevisvlocked.vUnlockvthevsoftwarevtovallowvaccessvtovthevSettingsvmenu.v