{"product_id":"beckhoff-elm3104-0000-ethercat-terminal-4-channel-analog-input-module","title":"ELM3104-0000 | BECKHOFF | Terminal EtherCAT","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eFunctioning as an ultra-precise sensor interface, the Beckhoff ELM3104-0000 delivers 4-channel analog current measurements directly to EtherCAT-enabled industrial control environments. This high-speed measurement terminal operates in the +\/-20 mA range with an exceptional 24-bit resolution, satisfying the rigorous demands of dynamic processes and high-accuracy laboratory test benches. Housed in a robust zinc die-cast enclosure, it features advanced digital processing functions including oversampling up to 10 ksps per channel, TrueRMS calculations, and customizable digital filters to eliminate high-frequency field noise.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e4 simultaneous differential current measurement channels supporting +\/-20 mA signals.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed delta-sigma A\/D converters delivering up to 100 microseconds (10 ksps) sampling rates per channel.\u003c\/li\u003e\n  \u003cli\u003eFlexible oversampling capability (factor n = 1 to 100) for high-resolution waveform acquisition.\u003c\/li\u003e\n  \u003cli\u003eIntegrated signal conditioning tools: TrueRMS calculation, integrator\/differentiator, PeakHold, and non-linear scaling.\u003c\/li\u003e\n  \u003cli\u003ePrecision Distributed Clocks (DC) synchronization providing jitter accuracy far below 1 microsecond.\u003c\/li\u003e\n  \u003cli\u003eRugged zinc die-cast housing designed for optimal thermal dissipation and superior mechanical protection.\u003c\/li\u003e\n  \u003cli\u003ePush-in service plugs for convenient, tool-free field wiring and swift module swap-outs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eHigh-speed industrial test benches and dynamometers.\u003c\/li\u003e\n  \u003cli\u003eVibration monitoring and structural health tracking systems.\u003c\/li\u003e\n  \u003cli\u003ePrecision loop monitoring in chemical processing plants.\u003c\/li\u003e\n  \u003cli\u003eAcoustic analysis and rapid transient signal logging.\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eSpecification\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 Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eELM3104-0000\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProduct Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eEtherCAT Measurement Terminal\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 Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 (differential)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSignal Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+\/-20 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;\"\u003eResolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24-bit (including sign)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSampling Rate\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMax. 100 microseconds \/ 10 ksps per channel, simultaneous\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOversampling Factor\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003en = 1 to 100 selectable\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInternal Input Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e150 Ohms\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMeasurement Error\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003etyp. \u0026lt; +\/-100 ppm (+\/-0.01 percent) relative to full scale\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eTemperature Coefficient\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003etyp. \u0026lt; 10 ppm\/K\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eE-bus Current Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003etyp. 490 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;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e707 V DC channel\/bus, 707 V DC channel\/SGND\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eThermal Dissipation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003etyp. 3 W\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\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSolid\/Stranded: 0.2 to 1.5 mm2 (AWG 24 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;\"\u003eHousing Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eZinc die-cast\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e30 mm x 100 mm x 95 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;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-25 to +60 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;\"\u003eShipping Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2.0 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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eTerminal \/ Pin\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eFunction \/ Circuit Assignment\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;\"\u003eChannel 1 (Pin 1 \/ Pin 2)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Ch1 (+) \/ Signal Ground Ch1 (-)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eChannel 2 (Pin 1 \/ Pin 2)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Ch2 (+) \/ Signal Ground Ch2 (-)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eChannel 3 (Pin 1 \/ Pin 2)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Ch3 (+) \/ Signal Ground Ch3 (-)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eChannel 4 (Pin 1 \/ Pin 2)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCurrent Input Ch4 (+) \/ Signal Ground Ch4 (-)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eWhile standard EL3xxx series modules address general-purpose current tracking, the ELM3104-0000 high-precision measurement module requires TwinCAT 3 runtime integration to support advanced oversampling algorithms and full 24-bit resolution processing. This module is fully backward compatible with standard EtherCAT networks but necessitates a dedicated system bus layout capable of supplying its typical 490 mA E-bus power requirement.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eTo maintain the 100 ppm accuracy specification, ensure that all current loops use shielded twisted-pair (STP) cabling. Electromagnetic interference in proximity to heavy frequency drives can induce noise, reducing the module's effective number of bits (ENOB). The zinc die-cast chassis must be mounted onto a well-grounded, oxidation-free 35 mm steel DIN rail to maintain optimal shield pathing and thermal dissipation under full 3 W load conditions.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eUtilize the integrated 2-pin push-in service plugs for high-vibration applications. This feature allows rapid module replacement without individual wire extraction, minimizing wiring errors. When commissioning in TwinCAT, verify that Distributed Clocks (DC) are enabled for the terminal to align historical process inputs with sub-microsecond precision across multiple nodes.\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; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e De-energize all power distribution blocks, control cabinets, and auxiliary supply circuits prior to mounting or dismounting the terminal. Failure to isolate the power supply can lead to unexpected system bus damage, electrical shocks, or critical degradation of the internal delta-sigma analog circuitry.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; margin-right: 15px; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eMount the ELM3104-0000 directly onto a clean, grounded 35 mm DIN rail (conforming to EN 60715).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; margin-right: 15px; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eEngage the double slot and key connection on the side of the terminal block to securely latch into the adjacent EtherCAT modules.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; margin-right: 15px; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eStrip the analog signal wires to a precise length of 8 to 9 mm. Insert solid conductors or stranded wires with ferrules directly into the push-in terminal plug.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; margin-right: 15px; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003ePower on the system and scan the EtherCAT network topology in the TwinCAT System Manager to configure filters and sample rates.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106422579563,"sku":"ELM3104-0000","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/elm3104-0000-tgrqoepbaqf.png?v=1776244600","url":"https:\/\/www.plcprotech.com\/fr\/products\/beckhoff-elm3104-0000-ethercat-terminal-4-channel-analog-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}