{"product_id":"beckhoff-elm3604-0002-ethercat-terminal","title":"BECKHOFF ELM3604-0002 EtherCAT Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBECKHOFF ELM3604-0002\u003c\/strong\u003e is a high-precision, 4-channel analog input EtherCAT Terminal specifically designed for high-speed dynamic measurement applications. This measurement module is engineered to interface directly with IEPE (Integrated Electronics Piezo-Electric) sensors, accelerometers, and voltage signals, making it an ideal choice for high-accuracy industrial vibration analysis, acoustics, and structural condition monitoring.\u003c\/p\u003e\n\u003cp\u003eConstructed in a durable zinc die-cast housing, the \u003cstrong\u003eBECKHOFF ELM3604-0002\u003c\/strong\u003e offers superior shielding and thermal dissipation characteristics. It provides high-speed simultaneous sampling up to 20 ksps per channel at a 24-bit resolution. With integrated single-ended 2-wire BNC interfaces, the terminal guarantees secure connection and optimal signal path integrity for sensitive measurement environments.\u003c\/p\u003e\n\u003cp\u003eThis terminal is packed with advanced onboard DSP (Digital Signal Processing) functionalities, including a free numeric filter, TrueRMS calculations, integration\/differentiation, non-linear scaling, and PeakHold. These integrated math functions enable decentralized preprocessing directly on the hardware, significantly reducing the CPU load on the central EtherCAT master controller.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFour independent, high-precision analog input channels supporting IEPE and voltage measurements.\u003c\/li\u003e\n  \u003cli\u003eFast simultaneous sampling rates up to 20 ksps (50 µs cycle time) per channel.\u003c\/li\u003e\n  \u003cli\u003eHigh-resolution 24-bit analog-to-digital conversion with integrated sign bit.\u003c\/li\u003e\n  \u003cli\u003eShielded BNC connection technology for reliable single-ended 2-wire wiring.\u003c\/li\u003e\n  \u003cli\u003eSelectable oversampling factor from n = 1 to 100 for flexible signal processing configurations.\u003c\/li\u003e\n  \u003cli\u003eOnboard signal processing features, including TrueRMS, PeakHold, non-linear scaling, and custom numeric filters.\u003c\/li\u003e\n  \u003cli\u003eDistributed Clocks (DC) support with synchronization accuracy under 1 µs.\u003c\/li\u003e\n  \u003cli\u003eRugged zinc die-cast metal housing with integrated status and diagnostic LEDs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial condition monitoring and preventative maintenance of rotating machinery.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed vibration analysis and structural health monitoring.\u003c\/li\u003e\n  \u003cli\u003eAcoustic testing, noise measurement, and dynamic load evaluation.\u003c\/li\u003e\n  \u003cli\u003eTest bench operations requiring high-accuracy, synchronized analog signal acquisition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth colspan=\"2\"\u003eGeneral Specs\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBECKHOFF\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eELM3604-0002\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eZinc die-cast\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\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\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\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\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApprox. 350 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth colspan=\"2\"\u003eSignal and Interface\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInput Technology\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eIEPE, voltage measurement\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSignal Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSingle-ended\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eConnection Technology\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2-wire\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBNC, shielded\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 bit (including sign)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInternal Resistance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u0026gt; 2 MOhm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth colspan=\"2\"\u003ePerformance and Processing\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMax. Sampling Rate\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e50 µs \/ 20 ksps per channel (simultaneously)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOversampling Factor\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003en = 1 to 100 (selectable)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDistributed Clocks\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eYes, accuracy \u0026lt; 1 µs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSpecial DSP Functions\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eExtendedRange 107%, free numeric filter, TrueRMS, integrator\/differentiator, non-linear scaling, PeakHold\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMeasurement Error\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTyp. \u0026lt; ±100 ppm\/±0.01% in designated measuring ranges (DC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTyp. \u0026lt; 10 ppm\/K\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth colspan=\"2\"\u003eElectrical Parameters\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eE-bus Current Consumption\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTyp. 650 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTyp. 3 W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eElectrical Isolation Channel\/Bus\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e707 V DC (type test)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eElectrical Isolation Channel\/SGND\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e707 V DC (type test)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth colspan=\"2\"\u003eEnvironmental Parameters\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-25 to +60 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-40 to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eApprovals and Markings\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCE, UL\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure that the power supply to the EtherCAT system and the E-bus segment is completely disconnected before mounting or removing modules.\u003c\/li\u003e\n  \u003cli\u003eInspect the \u003cstrong\u003eBECKHOFF ELM3604-0002\u003c\/strong\u003e for any visible physical damage before mounting.\u003c\/li\u003e\n  \u003cli\u003eInstall the module on a standard 35 mm DIN rail (conforming to EN 60715) until it is securely locked into position.\u003c\/li\u003e\n  \u003cli\u003eSecure side-by-side positioning of adjacent terminals using the double slot and key connection mechanics.\u003c\/li\u003e\n  \u003cli\u003eConnect standard shielded BNC cables to the input ports. Always utilize shielded cabling to preserve signal integrity for sensitive dynamic measurements.\u003c\/li\u003e\n  \u003cli\u003eVerify the system grounding path to prevent ground loops that could distort high-precision IEPE sensor readouts.\u003c\/li\u003e\n  \u003cli\u003eApply E-bus power and proceed with software configuration and terminal mapping via TwinCAT System Manager.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106430378347,"sku":"ELM3604-0002","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/elm3604-0002-eh0ciiw0oep.png?v=1776244608","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-elm3604-0002-ethercat-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}