EL3014 Beckhoff
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MPN: EL3014-0000
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The Beckhoff EL3014 is part of the EL EtherCAT Terminals series and provides 4 analog inputs with 12-bit resolution and a typical measuring error less than ±0.3 percent of full scale. It features a common-mode voltage of 10 V, 0.625 ms conversion time, and an input filter cut-off at 1 kHz. This terminal operates with E-bus electronics supply and is rated IP20 for protection.
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Product Description:
The EL3014 analog input terminal is produced by Beckhoff as part of the EL EtherCAT Terminals series. It gathers single-ended voltage signals and forwards digitized data to the EtherCAT bus, allowing machine controllers to monitor process variables without separate field wiring. The unit integrates four measurement channels into a 12 mm housing, making it a compact building block for modular I/O stations on automated production lines.
Each of its 4 inputs operates with a differential front end that tolerates up to 10 V of common-mode potential, so neighboring channels remain resistant to ground shifts across large equipment. Incoming signals pass through a 1 kHz low-pass stage that limits aliasing. The terminal converts one channel every 0.625 ms by multiplexing the analog-to-digital converter, resulting in a per-channel sampling interval suitable for fast temperature or position feedback. The converter delivers a resolution of 12 bits, providing 4,096 discrete codes across the selected range. Overall linearity remains within ±0.3% of full scale, helping maintain measurement accuracy. An internal filter rejects radio-frequency interference before digitization.
The module draws 130 mA from the E-bus, so additional power wiring is unnecessary when it is installed beside other Beckhoff terminals. Its process image occupies 2 B status + 2 B value per channel, giving the controller direct access to raw data and diagnostic bits without additional mapping. The differential ground reference minimizes measurement errors caused by potential loops. The typical input impedance is 85 Ω plus a diode drop, which protects the terminal against inadvertent connection to low-impedance sources. Because sampling is multiplexed, one converter serves all four channels and reduces heat inside the enclosure. The housing carries an IP20 rating and can be mounted in any orientation to accommodate different control cabinet layouts. CoE storage support retains channel parameters locally, allowing the terminal to preserve its scaling and filter settings.
