BECKHOFF EL3142 2-Channel Analog Input Terminal
BECKHOFF
Product number: EL3142
Producer: BECKHOFF
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Datasheets for BECKHOFF EL3142 2-Channel Analog Input Terminal
Description for BECKHOFF EL3142 2-Channel Analog Input Terminal
The job of the EL3142 analog input terminal is to supply power to measuring transducers located in the field, and to transmit analog measurement signals with electrical isolation to the automation device. The voltage for the sensors is supplied to the terminals via the power contacts. The power contacts can optionally be supplied with operating voltage in the standard way or via a supply terminal (EL9xxx) with electrical isolation. The input electronics is independent of the supply voltage of the power contacts. The 0 V power contact is the reference potential for the inputs. The EtherCAT Terminal indicates its signal state by means of light emitting diodes.Technical dataEL3142 | ES3142Number of inputs2 (single-ended)Power supplyvia the E-busTechnologysingle-endedSignal current0…20 mAOversampling factor–Distributed clocksyesDistributed clock precision<< 1 µsInternal resistance85 Ω typ. + diode voltageInput filter limit frequency5 kHzResolution16 bit (incl. sign)Conversion time~ 60 µs (fast mode ~ 40 µs)Input signal bandwidthsee input filterMeasuring error< ±0.3 % (relative to full scale value)Electrical isolation500 V (E-bus/signal voltage)Current consumption power contacts–Current consumption E-bustyp. 170 mADielectric strengthmax. 30 VBit width in the process imageinputs: 8 byteSpecial featuresstandard and compact process image, switchable measuring data representation in the EL3142-0010, activatable FIR/IIR filters, 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/variablePluggable wiringfor all ESxxxx terminalsApprovalsCE, UL, ExSpecial terminalsEL3142-0010signal current ±10 mA
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