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CHINT RTD signal isolator and barrier 1 channel 1 in and 1 out1
Electrical Control Systemanalog signal isolatorsignal isolator
Zhejiang Chitic Control Engineering Co., Ltd.
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Product Description CHINT RTD,Isolated Barrier(1 channel) 1in and 1outRTD Input Isolated Barrier,Isolation from hazardous areas to safe areas, The product requires independent power supply, power supply, input and output three isolation.Production parameters MODEL NOCB4071-EXNumber of channel1 input/1 outputSupply voltage(Ue)20~35V DCInput signalPt100;Cu50;Cu100Output signal0~20mA;4~20mA;0~5V;1~5VEx-marking[Ex ia Ga]IICField apparatus2-RTD;3-wire RTDTechnical data 1. GeneralNumber of channels1input/1output Dielectric strengthNon-intrinsically safe part and intrinsically safe part≥2500VAC,power supply part and non-intrinsically safe part≥500VACTemperature drift0.01%F.S./oCResponse timeReach 90% of final value in 1sInsulation resistanceNon-intrinsically safe part and intrinsically safe part≥100MΩ,power supply part and non-intrinsically safe part≥100MΩElectromagnetic compatibilityAccording to IEC 61326-1(GB/T 18268)EX marking[Ex ia Ga]IIC [Ex iaD]WeightApprox 100gField apparatus2-wire RTD;3-wire RTDSuitable locationzone 0;zone 1;zone 2;IIA;IIB;IIC;T4~T62. Input Data Input signalPt100;Cu50;Cu1003. Output Data Output signal0~20mA;4~20mA;0~5V;1~5VCurrent output load resistance RL≤300ΩVoltage output load resistance RL≥20kΩAlarm indicationLower than range, LED L falshing, output current ≈3.8mA;Higher than range, LED H falshing, output current ≈20.8mA;Breakage, LED L and H falshing at the same time, output current ≈20.8mA;Short circuit, LED L and H falshing alternately, output current ≈3mA4. Power SupplySupply voltage(Ue)20~35V DCPower protectionReverse protection of power supplyCurrent consumption≤65mA (at 24Vdc supply,20mA output)Power supply modeIndependent power supplyPower connecting modeTerminal5. Housing MaterialPADegree of protectionIP20Flammability ratingUL94/V0Colourgrey6. Product approvals ApprovalsNEPSI7. Standard/SpecificationNEPSI[Ex ia Ga] IIC Comply with standard: GB 3836.1,GB 3836.4,GB 3836.20 [Ex iaD] Comply with standard: GB 12476.1,GB 12476.48. Safe data Max. r.m.s. a.c. or d.c. voltage Um250VMax.output voltage Uo28V(7,8,9)Max.output current Io93mA(7,8,9)Max.output power Po651mW(7,8,9)IIC Max. external inductance Lo4.2mH(7,8,9)IIC Max. external capacitance Co0.083μF(7,8,9)IIB Max. external inductance Lo12.6mH(7,8,9)IIB Max. external capacitance Co0.65μF (7,8,9)IIA Max. external inductance Lo33.6mH(7,8,9)IIA Max. external capacitance Co2.15μF(7,8,9)9. EMC DATA Electrical fast transient/burst immunityAccording to:IEC 61326-1;Class ASurge immunityAccording to:IEC 61326-1;Class BRadiated,radio-frequency,electromagnetic field immunityAccording to:IEC 61326-1Electrostatic discharge immunityAccording to:IEC 61326-1;Class AImmunity to conducted disturbances, induced by radio-frequency fieldsAccording to:IEC 61326-110. Operating ConditionsAmbient temperature-20oC~+60oCStorage temperature-40oC~+80oCRelative humidity10%~90%Environmental requirementsThe air should not contain any medium corrupting the coat of chrome,nickel and silver.Moreover,violent quiver and impact or any cause of electromagnetic induction (such as big current or spark,etc.)must be avoided when using11. Connection DataConductor cross section solid range0.5~2.5mm2Conductor cross section flexible range0.5~2.5mm2Conductor cross section AWG min.12Conductor cross section AWG max.24Stripping length8mmScrew threadM3Connection methodScrew connectionTightening torque min.0.5 NmTightening torque max.0.6 Nm12. InstallationMounting typeDIN35mm
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