BECKHOFF EL3208 8-Channel Input Terminal
BECKHOFF
Product number: EL3208
Producer: BECKHOFF
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Datasheets for BECKHOFF EL3208 8-Channel Input Terminal
Description for BECKHOFF EL3208 8-Channel Input Terminal
The EL3208 analog input terminal allows eight resistance sensors to be connected directly. The EtherCAT Terminal circuit can operate sensors using the 2-wire technique in a compact 12 mm housing. A microprocessor handles linearisation across the whole temperature range, which is freely selectable. The EtherCAT Terminal’s standard settings are: resolution 0.1 °C. Sensor malfunctions such as broken wires are indicated by error LEDs.Technical dataEL3208Number of inputs8Power supplyvia the E-busTechnologyTemperature measurement (RTD)Signal typedifferentialDistributed clocks–Input filter limit frequencytyp. 1 kHzSensor typesPT100, PT200, PT500, PT1000, Ni100, Ni120, Ni1000 resistance measurement (e.g. potentiometer, 10 Ω…1/4 kΩ), KTY sensors (types see documentation)Connection method2-wireConversion timeapprox. 170 ms default setting, 3…1600 ms configurableMeasuring current< 0.5 mA (load-dependent)Measuring range-200…+850 °C (PT sensors); -60…+250 °C (Ni sensors)Temperature range-200…+850 °C (PT sensors); -60…+250 °C (Ni sensors)Resolution0.1 °C per digitMeasuring error< ±0.5 °C for PT sensorsElectrical isolation500 V (E-bus/signal voltage)Current consumption power contacts–Current consumption E-bustyp. 140 mASpecial featuresintegrated digital filter, limit value monitoringWeightapprox. 60 gOperating/storage temperature-25…+60 °C/-40…+85 °CRelative humidity95 %, no condensationVibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4Protect. class/installation pos.IP 20/variableApprovals/markingsCE, UL
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