{"product_id":"beckhoff-elm3704-0000-elm-series-ethercat-terminal","title":"Beckhoff ELM3704-0000 ELM Series EtherCAT Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eHigh-precision measurement in industrial testing, laboratory setups, and automation environments is achieved with the \u003cstrong\u003eBeckhoff ELM3704-0000\u003c\/strong\u003e multi-function measurement module. This \u003cstrong\u003eEtherCAT Terminal\u003c\/strong\u003e features four analog input channels capable of high-speed, high-resolution data acquisition at up to 24 bits. It operates in highly synchronized networks using Distributed Clocks technology, achieving synchronization accuracy well below 1 microsecond.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for versatile signal acquisition, the module supports differential signal configurations and flexible connection mechanics. Built within a rugged zinc die-cast housing, it ensures structural stability and thermal dissipation for industrial environments. Advanced onboard signal processing functions, including TrueRMS calculation, PeakHold, integrator\/differentiator operations, and custom non-linear scaling, allow immediate engineering value extraction directly at the I\/O level.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFour high-precision multi-function analog input channels.\u003c\/li\u003e\n  \u003cli\u003eHigh-resolution analog-to-digital conversion up to 24 bits (including sign).\u003c\/li\u003e\n  \u003cli\u003eSimultaneous acquisition with a sampling rate of up to 10 ksps (100 us) per channel.\u003c\/li\u003e\n  \u003cli\u003eSelectable oversampling factor from n = 1 to 100.\u003c\/li\u003e\n  \u003cli\u003eFlexible wiring options supporting 2-, 3-, 4-, 5-, and 6-wire connection configurations.\u003c\/li\u003e\n  \u003cli\u003eIntegrated diagnostic features, including broken wire and short-circuit detection.\u003c\/li\u003e\n  \u003cli\u003eRobust zinc die-cast housing equipped with status LEDs for diagnostic visualization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial test benches and engine dynamometers.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed manufacturing quality control and inline inspection systems.\u003c\/li\u003e\n  \u003cli\u003eVibration analysis and structural health monitoring.\u003c\/li\u003e\n  \u003cli\u003eMulti-sensor calibration and laboratory testing systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eParameter\u003c\/th\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eManufacturer\u003c\/td\u003e\n    \u003ctd\u003eBeckhoff\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003ePart Number \/ Model\u003c\/td\u003e\n    \u003ctd\u003eELM3704-0000\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eNumber of Channels\u003c\/td\u003e\n    \u003ctd\u003e4\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eTechnology\u003c\/td\u003e\n    \u003ctd\u003eMulti-function\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSignal Type\u003c\/td\u003e\n    \u003ctd\u003eDifferential\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eResolution\u003c\/td\u003e\n    \u003ctd\u003e24 bit (including sign)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMax. Sampling Rate\u003c\/td\u003e\n    \u003ctd\u003e10 ksps (100 us) per channel, simultaneous\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOversampling Factor\u003c\/td\u003e\n    \u003ctd\u003en = 1 to 100 selectable (max. 10 ksamples\/s)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eInternal Resistance\u003c\/td\u003e\n    \u003ctd\u003e\u0026gt; 500 kOhm (60 V); \u0026gt; 4 MOhm (others); 150 Ohm (current)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMeasuring Error\u003c\/td\u003e\n    \u003ctd\u003etyp. \u0026lt; +\/-100 ppm \/ +\/-0.01% in specific ranges (relative to full scale)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eTemperature Coefficient\u003c\/td\u003e\n    \u003ctd\u003etyp. \u0026lt; 1 ppm\/K in specific ranges\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eFunctional Diagnostics\u003c\/td\u003e\n    \u003ctd\u003eYes\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eConnection Diagnostics\u003c\/td\u003e\n    \u003ctd\u003eBroken wire \/ short circuit\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDistributed Clocks\u003c\/td\u003e\n    \u003ctd\u003eYes, accuracy well under 1 us\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eElectrical Isolation Channel\/Bus\u003c\/td\u003e\n    \u003ctd\u003e707 V DC (type test)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eElectrical Isolation Channel\/SGND\u003c\/td\u003e\n    \u003ctd\u003e707 V DC (type test)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eE-bus Current Consumption\u003c\/td\u003e\n    \u003ctd\u003etyp. 890 mA\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n    \u003ctd\u003etyp. 3 W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMaterial\u003c\/td\u003e\n    \u003ctd\u003eZinc die-cast\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDesign Form\u003c\/td\u003e\n    \u003ctd\u003eMetal housing with signal LEDs\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMounting Method\u003c\/td\u003e\n    \u003ctd\u003e35 mm DIN rail (conforming to EN 60715) with lock\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n    \u003ctd\u003e30 mm x 100 mm x 95 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eWeight\u003c\/td\u003e\n    \u003ctd\u003eapprox. 350 g\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n    \u003ctd\u003e0 to +55 degC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eStorage Temperature\u003c\/td\u003e\n    \u003ctd\u003e-25 to +85 degC\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eConnection Parameter\u003c\/th\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eConnection Type\u003c\/td\u003e\n    \u003ctd\u003ePush-in, service plug 6-pin\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eConnection Technology\u003c\/td\u003e\n    \u003ctd\u003e2-\/3-\/4-\/5-\/6-wire\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSolid Conductors (e)\u003c\/td\u003e\n    \u003ctd\u003eDirect plug-in technique\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eFine-stranded Conductors (f) \u0026amp; Ferrule (a)\u003c\/td\u003e\n    \u003ctd\u003eSpring actuation via screwdriver\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSolid Conductor Cross-section (s*)\u003c\/td\u003e\n    \u003ctd\u003e0.2 to 1.5 mm2 (AWG 24 to 14)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eStranded Conductor Cross-section (st*)\u003c\/td\u003e\n    \u003ctd\u003e0.2 to 1.5 mm2 (AWG 24 to 14)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eFine-stranded Conductor Cross-section (f*)\u003c\/td\u003e\n    \u003ctd\u003e0.25 to 0.75 mm2 (AWG 24 to 14)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eStripping Length\u003c\/td\u003e\n    \u003ctd\u003e8 to 9 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Mount horizontally on a 35 mm DIN rail according to EN 60715. Ensure the locking lever is securely engaged.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide-by-Side Placement:\u003c\/strong\u003e Connect adjacent terminals using the integrated double slot and key system to maintain mechanical alignment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Insert solid conductors directly into the push-in clamp. For fine-stranded or ferruled wiring, actuate the internal spring with a flat-head screwdriver before insertion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Guarantee low-resistance functional grounding via the DIN rail to optimize high-frequency noise rejection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Considerations:\u003c\/strong\u003e Maintain adequate clearance above and below the module to allow convection cooling. Ensure operating ambient temperatures stay within the specified range of 0 to +55 degC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE\u003c\/li\u003e\n  \u003cli\u003eUL\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106424840555,"sku":"ELM3704-0000","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/elm3704-0000-2oara0kirl0.png?v=1776244609","url":"https:\/\/www.plcprotech.com\/ms\/products\/beckhoff-elm3704-0000-elm-series-ethercat-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}