SSET CE-S 28-4MD4-0.2 Series User manual

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TwoinputtwooutputDC currentsignal
isolator
TwoinputtwooutputDC voltagesignal
isolator
Istructions
CE-S*28-**4MD4-0.2
1Overview
Themainfunctionofthesignalisolatoristoisolatedtransmit the
inputDCvoltage(current)signalintothestandardcurrentor
voltagesignal.Theproductcontainstwoefficientmicropower
isolatedpowersupplies thatprovides anisolatedpowersupplyto
thepre-stageprimarysensorwhilepoweringtheinternalsignal
processingcircuitry. Theproductsarewidelyusedinanalog
signalisolationconversionofindustrialfield,suchas
communications,powerrail,industrialcontrolandother
automation andcontrolfields
Features:
ØFullyisolatedcircuit structure:
ØTwosignalinputsareisolatedfromeachother; twosignal
outputsareisolatedfromeachother; signalinput,outputand
auxiliarypowersupplyareisolatedfromeachother;
ØUsingelectromagneticisolationtechnology,stableand
reliableperformance;
ØTheoutputportandpowerportcanwithstand2KV surge
impact;
ØTheaccuracyisbetterthan0.2;
ØProvides theisolated24Vdistributionpoweroutput,
facilitates asensorpowersupply;
ØUsing18mmthinshell guiderail installation,space
utilizationishigh;
ØWiringusingplugterminals, easywiringand maintenance.
2 Case style
Figure1,MD4case
3 Partnumber
4 Specifications
Testconditions:auxiliarypower: +24 V
Inputrange:
Voltagerange:75mV~300VDC,
Thefirstwaycurrentrange:10mA~5ADC,
Thesecond waycurrentrange 10mA~200mADC;
Output: 0-20mA, 4-20mA, 0-5V,0-10V,0-15V(special)
Note:Wheninputsignalis1-5Vor4-20mA,it isnotallowedto
outputanegativesignal.Please specifytherequirementsof
"shieldingnegativesignal"whenordering,as describedinsection
IX.1.
Powersupply:+24VDC(-15%~+20%);
Powerdistributionoutput:24VDC 3.6V/25mADC;
Accuracy:0.2;
Loadcapacity:currentoutput ≤500Ω;voltageoutput ≥2kΩ;
Temperaturedrift: ≤200ppm/ ;
Isolationvoltage:2500VDC;
Response time: ≤100 mS;
Ratedpowerconsumption:<3W;
Outputripple:<10mV
Frequencyresponse range:none;
Surgeimmunity:
Powerport three 2KV(L-N/2Ω/integratedwave)
Outputport three 2KV (L-N/40Ω/integratedwave);
Impulse immunity:
input/powerport 2KV,analogI/Oport 1KV;
Inputoverloadcapacity:
2times nominalvalueforthemeasuredvoltage(applyasecond,
repeat10 times, interval10S);
20times nominalvalueforthemeasuredcurrentapplyasecond,
repeat5times, interval300S);
Operatingtemperature:-20~70 , humidity: ≤95%(nodew);
Storagetemperature:-40~+70 .
5 ConnectionsDiagram
(Onlyforreference only, theactualapplicationtotheproduct
wiringdiagramshall prevail)

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Fig. 2wiringreference mapofCE-S#28-##4MD4
6 Installations
DIN35 rail-mountedorscrew-mountedinstallation,theinstallation
size isas showninfigure3(inmm).
Fig.3
7 Product sService
1Installation
1.1 DIN rail installationmethod:
①Thetransducerfixedon thesideofthecardslotand hook
on themountingrail;
②Pull thespringpindown;
③Clipthetransducermounton themountingrail;
④Release thespringpinandclipthetransmitteron the
mountingrail.
1.2 Screwmountingmethod:
①4mm diameterholeinthefixedplateaccordingtothe
positionofthescrewholeshowninFig.9;
②Use thescrew Φ3.5toinsert intoholeandsecureit.
2Productsfactoryhas beenaccuratelysetaccordingtothe
"productstandard".Applypowerafterdeterminethecorrect
wiring.
3Themaximumwirediameteroftheterminalblockis2mm
(16-26AWG).Removethe4mm~5mminsulationlayerfrom
theend ofthemountingwireand insert it intotheterminal
block, thentightenthescrew.
4Productsupplypowerrequires theisolationvoltage ≥2000VAC,
ACripple<10mV.Multipletransducerscanshareacommon
setofpowersupplies,butthepowercircuit cannolongerbe
usedtodriverelaysand othercanproduce spikes intheload,
inordertoavoidinterference signaltransmission tothe
transducer.
5 Thetransducersoutput0-20mA(or4-20mA),theRLstandardis
≤500Ω,and 0-5VvoltageoutputRLstandardis ≥2KΩ,can
guarantee theoutputaccuracyand linearityovertheentire
ratedinputrange.
8 Example ofproductaccuracy levelverification
1Accordingtothedefinitionofthetransducerterminalsto
connectthetestcircuit.
Figure4,testwiringdiagramofaccuracyoftwoinputstwo
outputsisolator
（Takethe CE-SU28-344MD4-0.2 as anexample）
2Thetestshall becarriedoutunderthefollowingenvironmental
conditions:
◆Powersupply:nominal 5%, ripple ≤10mV;
◆Ambienttemperature:25 °C 5°C;
◆Relativehumidity:RH (45 ~80)%;
◆Theaccuracyofthesignalsource and measurement
instrumentis0.05%above.
3Powerpreheat2mins;
4VoltageUandCurrentIinputand monitoringmethods:
Ahigh-precision high-currentmetercalibratorcandirectlyinput
ACcurrentIorvoltageVo,andrecordthedisplaydataofthe
metercalibration instrument.
5Assumingthatthefirstwayinputrangeofisolatoris0-5VDC,
output0-5VDC,thesecond wayinputrangeis0-10VDC,
outputis0-20mADC,giveinputvalueVi1and Vi2withinthe
rangeoftheisolator,theexpectedtheoreticaloutputVzandIz
oftheisolatoriscalculatedas follows:
Vz=Vi1 ÷5VDC ×5V
Iz=Vi2 ÷10VDC ×20 mA
6MeasurethefirstwayoutputvalueVoandthesecondway
outputvalueIowiththeoutputmonitoringtable:
|Vz-Vo|≤10mVisnormal, orexcessive(0-5VDC output,0.2);
|Iz-Io|≤40uAisnormal, orexcessive(0-20mADC output,0.2);
7RepeatNO.5andNO.6operations,theresultingphase errorin
eachpointarewithinthespecifiedaccuracy,thetransducer
accuracylevelisqualified.
Note: please consult withourcompanyfortheverification method

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[e-mail] ShenzhenCity, ChinaPostcode:518049
ofothertechnicalindicators.
9 Notes
1Please payattention tothepowersupplyinformation onthe
productlabel,andthepowersupplyusedgradeofthe
transducer,otherwise it will cause theproducttobe
damaged.
2Transducerfortheintegratedstructure,notremovable,and
shouldavoidcollisionandfall.
3Thetransducersareusedinenvironmentswithstrong
electromagneticinterference.Standardprecautionsuchas
shieldingtheinputand/oroutputlines shouldbeobserved.All
lines shouldbeas short as possible. Ifagroup oftransducersare
mountedtogether,keepaspacemorethan10mmbetween
adjacentunits.
4Theinputvaluegivenon thetransducerlabelreferstotheRMS
valueoftheac signal.
5Onlyuse theeffectiveterminalofthetransducer.Theother
terminalsmaybeconnectedwiththeinternalcircuitofthe
transducer, andcan’tbeusedforotherpurposes.
6Transducerhas acertainanti-lightningability,butwhenthe
transducerinputand outputfeedersexposedtoextreme bad
environments, mustbetakenlightningprotection measures.
7Don’tdamageormodifytheproductlabelandlogo.Don’t
disassembleormodifythetransmitter,otherwise thecompany
will nolongerprovidetheproduct"three guarantees"
(replacement, return, repair) services.
8Thetransducersuse flame-retardantABSplasticshellpackage.
whichlimit temperatureis+75 .Theshell will bedeformed
withhigh-temperaturebaking,andwill affectproduct
performance.Donotuse orsavetheproductneartheheat
source. Donotbaketheproductinahigh-temperatureoven.
9Whenmeasuringthevoltageorcurrentwiththemulti meterpen,
please screwtheterminalscrewintheend,otherwise it may
notmeasurethevoltageorcurrentoutputvalue.