{"product_id":"beckhoff-el2124-ethercat-terminal-4-channel-digital-output-module","title":"Beckhoff EL2124 EtherCAT Terminal 4-channel Digital Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIntegrating directly into high-speed automation architectures, the \u003cstrong\u003eBeckhoff EL2124\u003c\/strong\u003e provides fast, precise digital control over four independent 5 V DC channels. Engineered for rapid switching dynamics, this EtherCAT Terminal utilizes a \u003cstrong\u003eCMOS push-pull output\u003c\/strong\u003e design capable of actively sourcing and sinking up to 20 mA per channel. Ideal for interfacing with low-voltage logic levels, optocouplers, and high-frequency digital receivers, the module features sub-microsecond propagation delays to ensure real-time response times within critical control loops.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eHigh-Speed Signal Processing:\u003c\/strong\u003e Sub-microsecond switching times (typically under 1 us for both turn-on and turn-off phases) designed for time-critical motion and gating control.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eFour CMOS Push-Pull Outputs:\u003c\/strong\u003e Supports active high and active low signaling, providing a robust 5 V DC logic driving capacity.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eIntegrated Short-Circuit Protection:\u003c\/strong\u003e Ruggedized engineering design protects the module against wiring faults and overcurrent conditions on all output channels.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eComprehensive Galvanic Isolation:\u003c\/strong\u003e 500 V electrical isolation between the E-bus and the field potential safeguards upstream backplane communications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHigh-frequency optocoupler and pulse receiver interfacing\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eLow-voltage logic level shifting and micro-controller integration\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHigh-speed material sorting, triggering, and gating systems\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eTestbench automation and electronic hardware-in-the-loop (HIL) simulations\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; text-align: left; font-size: 0.9rem;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eTechnical Value\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: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBeckhoff\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eEtherCAT Terminal (EL Series)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNumber of Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 channels\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNominal Output Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOutput Driver Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCMOS push-pull (source\/sink)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMaximum Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+\/- 20 mA per channel (short-circuit proof)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSwitching Propagation Delay\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTON \u0026lt; 1 us, TOFF \u0026lt; 1 us\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCurrent Consumption (E-bus)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTypically 130 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCurrent Consumption (Power Contacts)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTypically 12 mA + load\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e500 V (E-bus to field potential)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eLoad Type Compatibility\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eOhmic, lamp load\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 degC to +55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-25 degC to +85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eRelative Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e95%, non-condensing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConnection Technology\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2-wire or 3-wire direct connection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConnection Cross-Section (Solid\/Stranded)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.08 mm2 to 2.5 mm2 (AWG 28 to 14)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConnection Cross-Section (Ferrule)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.14 mm2 to 1.5 mm2 (AWG 26 to 16)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eIngress Protection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP20 (conforms to EN 60529)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eEx Marking \/ Hazardous Location\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eII 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: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eGermany\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePhysical Dimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px; line-height: 1.4;\"\u003eWidth: 12 mm\u003cbr\u003eHeight: 100 mm\u003cbr\u003eDepth: 68 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.15 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e150 mm x 120 mm x 40 mm\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\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe terminal integrates directly into standard TwinCAT 2.x and 3.x system structures. While utilizing the same physical footprint as typical 24 V DC terminals, the unit requires dedicated 5 V DC logic-side distribution. Ensure that any downstream configurations do not inadvertently route field voltages above the rated 5 V threshold to this module.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause this module utilizes standard CMOS push-pull outputs, it actively drives the signaling line both high and low. Avoid connecting multiple output channels in parallel to boost current driving capabilities, as minor switching delays between channels can induce transient short circuits. Additionally, verify the E-bus power supply margins of your coupler segment; a single terminal consumes 130 mA typical E-bus current.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eFor signal transmission distances exceeding 3 meters, shielded twisted-pair cabling is strongly recommended to minimize environmental electromagnetic interference. Ground the cable shield securely at the control panel boundary plate to isolate high-speed CMOS switching channels from structural floor noise.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem; border-radius: 4px;\"\u003e\n  \u003cp style=\"margin: 0; font-weight: bold; color: #9b2c2c;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n  \u003cp style=\"margin: 5px 0 0 0; color: #9b2c2c; font-size: 0.9rem;\"\u003eDe-energize the entire control system and disconnect all field power contacts before installing, servicing, or extracting any EtherCAT terminal. Failure to do so can result in electrical arcing, destruction of sensitive CMOS drivers, or transmission faults across the adjacent E-bus.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.85rem; margin-right: 12px; margin-top: 2px;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; font-size: 0.95rem;\"\u003eMount the terminal onto a standard 35 mm DIN rail (conforming to EN 60715) and verify that the locking mechanism engages securely with the rail profile.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.85rem; margin-right: 12px; margin-top: 2px;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; font-size: 0.95rem;\"\u003eAlign adjacent terminals using the side-by-side double slot and key connection, checking that the internal gold E-bus contact pins connect smoothly without mechanical force.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.85rem; margin-right: 12px; margin-top: 2px;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; font-size: 0.95rem;\"\u003eStrip wiring insulation to exactly 8-9 mm. Actuate the internal spring clamp using a flat-head screwdriver, insert the solid or ferruled conductor, and release the tool to clamp.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.85rem; margin-right: 12px; margin-top: 2px;\"\u003e4\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748; font-size: 0.95rem;\"\u003ePower up the segment and initiate terminal detection and routing parameters using the TwinCAT System Manager software tree.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106562269547,"sku":"EL2124","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el2124-0tkftzhzxsc.png?v=1776244395","url":"https:\/\/www.plcprotech.com\/id\/products\/beckhoff-el2124-ethercat-terminal-4-channel-digital-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}