{"product_id":"beckhoff-el3114-ethercat-terminal-4-channel-analog-input-module","title":"Beckhoff EL3114 EtherCAT Terminal 4-channel Analog Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAcquisition of high-precision analog signals within synchronized automation environments is handled directly by the \u003cstrong\u003eBeckhoff EL3114\u003c\/strong\u003e, an EtherCAT terminal delivering four independently isolated differential current measurement channels spanning 0 to 20 mA. Operating with a high-fidelity \u003cstrong\u003e16-bit resolution\u003c\/strong\u003e, this industrial terminal converts current loop values into clean process data for the EtherCAT controller. Equipped with high-speed hardware capabilities, it supports \u003cstrong\u003eDistributed Clocks (DC)\u003c\/strong\u003e with a synchronization accuracy of under 1 microsecond, making it ideal for fast, time-aligned loop measurements across multi-node automation architectures.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eFour independent, differential analog inputs designed to minimize ground loop interference.\u003c\/li\u003e\n  \u003cli\u003ePrecise 16-bit analog-to-digital conversion process (including sign representation).\u003c\/li\u003e\n  \u003cli\u003eIntegrated hardware synchronization via EtherCAT Distributed Clocks (DC) with synchronization deviation below 1 microsecond.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in 5 kHz hardware input filter to reject high-frequency mechanical and electromagnetic noise.\u003c\/li\u003e\n  \u003cli\u003eRobust electrical isolation of 500 V (RMS) between the internal E-bus control logic and field signals.\u003c\/li\u003e\n  \u003cli\u003eCompact 12 mm housing width maximizing density inside standard control panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eIndustrial process control networks monitoring standard 0 to 20 mA current loops.\u003c\/li\u003e\n  \u003cli\u003eDistributed data acquisition systems requiring microsecond-level synchronization.\u003c\/li\u003e\n  \u003cli\u003eClosed-loop feedback systems in assembly, packaging, and high-speed material handling.\u003c\/li\u003e\n  \u003cli\u003ePower and current tracking installations across sub-distribution enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eValue \/ Rating\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eBeckhoff Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEL3114\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTechnology\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential input\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNumber of Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Signal Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0 to 20 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eA\/D Resolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e16-bit (including sign)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDistributed Clocks (DC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eYes, accuracy \u0026lt; 1 microsecond\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Filter Limit Frequency\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e5 kHz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInternal Input Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003etyp. 85 Ohm + diode voltage\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMeasuring Error\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e\u0026lt; ±0.3% (relative to full scale value)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConversion Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003etyp. 100 microseconds\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eE-bus Current Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003etyp. 130 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e500 V (E-bus \/ signal voltage)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProcess Image Bit Width\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eInputs: 16 bytes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConnection Technology\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCage clamp (spring-actuated)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConductor Sizes\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSolid\/Stranded: 0.08 to 2.5 mm²; Ferrule: 0.14 to 1.5 mm²\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eHousing Dimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e12 mm x 100 mm x 68 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-25 degC to +60 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRelative Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e95%, non-condensing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProtection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIP20\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eApprovals\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCE, UL, ATEX (II 3 G Ex nA IIC T4 Gc)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.055 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eTerminal Contact Point\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSignal Assignment\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput + (Ch 1)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Positive, Channel 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e5\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput - (Ch 1)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Negative, Channel 1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput + (Ch 2)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Positive, Channel 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e6\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput - (Ch 2)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Negative, Channel 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput + (Ch 3)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Positive, Channel 3\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e7\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput - (Ch 3)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Negative, Channel 3\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput + (Ch 4)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Positive, Channel 4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e8\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput - (Ch 4)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDifferential Current Input Negative, Channel 4\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe EL3114 can directly replace legacy EL311x models if process software mappings are verified. Systems switching from non-DC terminals to the EL3114 should ensure that Distributed Clock synchronization is enabled in the TwinCAT active configuration to prevent time-base drift. Ensure the ES3114 variant is selected if pluggable terminal connector modules are preferred for on-site swapping.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe internal differential input path relies on standard operational amplifiers with a absolute maximum common-mode voltage limit of 10 V. Exceeding this boundary across channels will result in severe measurement clamping and non-linearities. Additionally, because this terminal draws a continuous 130 mA from the internal E-bus connection, system integration planners must verify the total current output profile of the preceding Bus Coupler (such as an EK1100) and insert intermediate power supply terminals (EK1110 \/ EL9400) if the cumulative E-bus budget is exceeded.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo protect sensitive low-amplitude signal transmissions, always route current loops with shielded twisted-pair cabling. Ground the shield at the cabinet entry or terminal bracket. Filtering parameters (such as the IIR\/FIR low-pass behavior) are completely adjustable in the TwinCAT Software via the CoE (CAN over EtherCAT) parameter objects 0x80n0, allowing the 5 kHz hardware filter to be fine-tuned to isolate mechanical vibrational noise patterns.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0.5rem 0 0 0;\"\u003eDisconnect all electrical power lines supplying the DIN rail assembly, the controller, and any external loop interfaces before mounting or extracting terminal modules. Hot-plugging or wiring under power is strictly forbidden as it can damage internal bus contacts and lead to module destruction.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; font-weight: bold; border-radius: 50%; min-width: 2rem; min-height: 2rem;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the EL3114 onto a standard 35 mm DIN rail (conforming to EN 60715) by sliding it until the double slot and key interlocking guides snap firmly into the adjacent terminal housing.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; font-weight: bold; border-radius: 50%; min-width: 2rem; min-height: 2rem;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eSecure the grounding and bus connections by checking that the lateral copper E-bus contact blades click together smoothly with no gaps in the segment assembly.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; font-weight: bold; border-radius: 50%; min-width: 2rem; min-height: 2rem;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eStrip terminal conductor ends to a length of 8 to 9 mm. Insert a flat screwdriver into the spring release slot, insert the wire (solid\/stranded up to 2.5 mm²), and release the spring mechanism to complete the wire capture.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106516787563,"sku":"EL3114","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el3114-c5lvk4pns11.png?v=1776244440","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-el3114-ethercat-terminal-4-channel-analog-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}