EL3314-0000 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The EL3314-0000 is a terminal module from Beckhoff and is part of the EL EtherCAT Terminals series. It features 4 inputs, internal 16-bit resolution, and supports 2-wire connection technology with a maximum cable length of 30 meters. The module offers voltage ranges of ±30 mV, ±60 mV, and ±75 mV with a voltage resolution up to 1 μV per digit, and it is rated for IP20 protection class.
Internal Product Review
The EL3314-0000 is a Beckhoff EL EtherCAT terminal for precise multi-channel measurement, featuring 4 inputs and 16-bit internal resolution. 2-wire connection technology and open-circuit recognition make signal acquisition straightforward and dependable in control cabinets. With 500 V signal-to-bus isolation, the terminal stands out as a strong choice for stable EtherCAT measurement performance.
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Product Description:
Beckhoff’s EL3314-0000 is an analog input terminal in the EL EtherCAT Terminals series. The module digitizes small differential voltages from field sensors and transfers the data straight onto the EtherCAT process image, enabling precise acquisition of thermocouple or millivolt signals within decentralized control cabinets. By integrating measurement and communication in a 12 mm wide slice, the unit simplifies installation and allows proximity mounting next to the transducer, which minimizes noise pickup and supports compact, scalable industrial automation architectures.
The terminal uses 2-wire sensor wiring, so both measurement and reference conductors are terminated at the same spring clamp pair, reducing channel count per sensor and easing field assembly. It draws approximately 200 mA from the E-bus, a figure that must be budgeted when populating large terminal strings. An analog input filter with a cutoff near 1 kHz attenuates higher-frequency interference before conversion. The sigma-delta converter provides a 16-bit internal resolution over selectable ranges of ±30 mV, ±60 mV, or ±75 mV, and it tolerates up to ±15 V between the differential leads without damage. For finely resolved measurements, the digitizing step is 1/2/4 μV per code, while an auxiliary calculation path offers a display resolution of 0.1/0.01 °C when the terminal is parameterized for thermocouple linearization.
Its four-channel architecture delivers data to the controller as a 16-byte input image while accepting 8 bytes of output for status and diagnostics. Each channel benefits from broken-sensor detection, so open-circuit conditions are flagged immediately. Installation flexibility is aided by a permitted sensor lead length of 30 m, provided that shielding practices are followed. The terminal meets the enclosure requirements of IP20, making it suitable for protected control cabinets, and galvanic separation rated at 500 V isolates the analog front end from the EtherCAT bus to prevent ground loops and protect downstream electronics.
