Analog input module DT-3804

4-channel4 analog inputsfor thermocouples

4 Channels thermocouple input module TC-J/K/E/T/S/R/B/N TypeModule FeaturesThe module supports 4 channels thermocouple signal acquisition.The module carries with 4 analog indicators.The module supports 8 kinds of conventional thermocouple temperature measurement type.The internal bus of the module and field input adopts capacitive isolation.The module input channel supports TVS overvoltage protection.The module's cold end compensation mode supports external reference junction or fixed reference temperature compensation.Module cold end compensation type supports PT100 (2-wire) or PT100 (3-wire).Module high speed redundant backplane bus with pluggable terminal blocks.Technical ParametersGeneral ParametersModule Consumption36mA@5VDCWirring DiameterMin.0.2mm²(AWG24)Max.1.5mm²(AWG16)Terminal PluggableSupportBackplane BusDouble bus redundancyInstallation35mm DIN-RailDimension119*14*80mmProduct CertificationCE CertificationInput ParametersChannel Number4 ChannelsSensor TypeJ / K/ E / T / S / R / B / N type thermocoupleResolution16 Bit (include the symbol bit)Temperature CompensationFixed reference temperature/external reference junctionConversation Time500ms/4 channels (filter level is 0)Linearity Error≤±0.01%Temperature Error≤±0.005%/°CTemperature Error≤±0.03% (@25°C)Measurement ErrorSee schedule 1 below for detailed parametersModule DiagnosisDisconnection detection: supportOverflow/underflow: supportTemperature UnitConfigurable, °C / °F / KEnvironment ParametersHorizontal Installation Operating Temperature-35°C~60°CVertical Installation Operating Temperature-35°C~50°CStorage Temperature-40°C~85°CEnvironment Humidity5%~95%RH (No condensation)Installation Altitude<2000mPollution DegreeⅡProtection GradeIP20Mechanical PropertiesComply with IEC60068-2-6, IEC6008-2-27Insulation WithstandComply with IEC61131-2EMC PerformanceComply with IEC61131-2, IEC61000-4(ESD: Contact discharge ±6kV, Performance level A; Air discharge ±8kV, Performance level ASURGE: Common mode ±2kV, Performance level AEFT: ±2kV, Performance level A)Measurement Range and Accuracy (by Sensor Type)Type of SensorMeasurement Range (°C)Measurement Accuracy (25°C)Measurement Accuracy (-35°C~60°C)B600≤T≤1820≤0.2%≤0.4%E-200≤T≤1000≤0.2%≤0.4%E-250≤T<-200≤0.5%≤0.6%N-200≤T≤1300≤0.2%≤0.4%N-250≤T<-200≤0.5%≤0.6%JT>-210≤0.2%≤0.4%K-200≤T≤1370≤0.2%≤0.4%K-250≤T<-200≤0.5%≤0.6%R0≤T≤1760≤0.2%≤0.4%S0≤T≤1760≤0.2%≤0.4%T-200≤T≤400≤0.3%≤0.5%T-250≤T<-200≤0.6%≤0.7%Key SpecificationsChannels: 4 thermocouple inputsSupported thermocouple types: J, K, E, T, S, R, B, NResolution: 16-bitCold junction compensation: PT100 (2-wire/3-wire), external or fixed referenceInput protection: TVS overvoltage, capacitive isolationOperating temperature: -35°C to 60°C (horizontal), -35°C to 50°C (vertical)Storage temperature: -40°C to 85°CHumidity: 5%~95%RH (no condensation)Installation: 35mm DIN-RailDimensions: 119*14*80mmProtection: IP20Certification: CE