BECKHOFF EL3773 Power Monitoring Oversampling Terminal
Product Name: BECKHOFF EL3773 Power Monitoring Oversampling Terminal
Product Brand: BECKHOFF
Product Code: EL3773
Product Artikel: BECKHOFF EL3773 Power Monitoring Oversampling Terminal
The EtherCAT Terminal EL3773 is a power monitoring terminal for state monitoring of a 3-phase AC voltage system. For each phase voltages up to 288 V eff /410 V DC and currents up to 1 A eff /1.5 A DC are sampled as instantaneous values with a resolution of 16 bits. The six channels are measured simultaneously based on the EtherCAT oversampling principle with a temporal resolution of up to 100 µs and passed on to the control system. The control system has sufficient computing power for true RMS or performance calculation and complex custom algorithms based on the measured voltages and currents. Through the oversampling principle the terminal is able to measure at significantly shorter intervals than the cycle time of the control system. AC and DC parameters must be connected and measured with a common reference potential. The EL3773 supports distributed clocks and can therefore measure synchronous with other EtherCAT devices. Technical data EL3773 Number of inputs 3 x current, 3 x voltage Technology 3-phase power monitoring for alternating/direct voltages Oversampling factor n = 1…100 selectable Distributed clocks yes Conversion time min. 100 µs, all channels simultaneously Measured values current (I1, I2, I3), voltage as instantaneous values (oversampling) Measuring voltage max. 500 V AC 3~ (UL X -N: max. 288 V AC), max. 410 V DC Measuring current max. 1 A (AC)/1.5 A (DC), via measuring transformers x A AC/1 A AC Resolution 16 bit (incl. sign) Measuring error 0.5 % relative to full scale value Electrical isolation 2500 V Current consumption power contacts – Current consumption E-bus 200 mA Special features oversampling, AC/DC measurement, single-phase operation also possible, adjustable hardware filters Weight approx. 75 g Operating/storage temperature 0…+55 °C/-25…+85 °C Relative humidity 95 %, no condensation Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27 EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4 Protect. class/installation pos. IP 20/variable Approvals CE, UL
