Beckhoff EL3751 EtherCAT Terminal

Wednesday, 04 May, 2016 | Supplied by: Beckhoff Automation Pty Ltd



The Beckhoff EL3751 EtherCAT Terminal permits 10,000 samples/s, a measurement accuracy of ±0.01% and 24-bit resolution. It also offers flexible filter configurations (eg, band stop) and extensive parameterisation options for the analog input, which supports the measurement functions U, I, R, DMS (strain gauge) and RTD.

Optionally, the measured data can be transmitted to higher-level automation devices with oversampling. The integrated distributed clocks ensure precisely synchronised sampling across the EtherCAT system.

The Extended Range feature enables effective measurement beyond the nominal measuring range, with possible extension up to 107%. To suppress aliasing effects, the input channel features two configurable numeric software filters up to 39th order FIR or 6th order IIR. The filters can be preselected or freely defined, so that a band stop or a band pass filter can be implemented.

Each EL3751 has a unique serial number and is available with a factory calibration certificate on request. Since the input channel can be parameterised comprehensively, both electrically and on the software side, the measurement terminal can be used for many parameters: voltage measurement (±5 mV to ±30 V, 0–10 V, 0–5 V); current measurement (±20 mA, 4–20 mA, 0–20 mA, Namur NE43); resistance measurement (0–5 kΩ); electrical resistance R in 2-, 3- or 4-wire connection; RTD measurement in 2-, 3- or 4-wire connection; strain gauge/load cell ¼ bridge, ½ bridge or full bridge; and potentiometer (from 1 kΩ).

Online: www.beckhoff.com
Phone: 03 9912 5430
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