{"product_id":"beckhoff-el5002-ethercat-terminal-2-channel-ssi-encoder-interface","title":"BECKHOFF EL5002 EtherCAT Terminal 2-Channel SSI Encoder Interface","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEL5002\u003c\/strong\u003e EtherCAT Terminal facilitates the direct connection of up to two SSI (Synchronous Serial Interface) sensors to the industrial control network. Engineered for precise path and positioning feedback systems, this terminal transfers absolute position data directly into the process image of the controller. Communication between the controller and the sensor is established using differential RS422 signals, ensuring robust signal transmission in electromagnetically noisy environments.\u003c\/p\u003e\n\n\u003cp\u003eOperating as a read-only master interface, the \u003cstrong\u003eEL5002\u003c\/strong\u003e supports highly configurable communication parameters, including variable baud rates up to 1 MHz and adjustable data frame lengths up to 32 bits. The terminal features integrated support for Distributed Clocks (DC), enabling high-precision, synchronized acquisition of sensor readings across the entire EtherCAT segment. With its compact 12 mm design, it integrates into standard EtherCAT DIN-rail terminal blocks, drawing power directly from the E-bus and external power contacts.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDual-channel connection for absolute encoders with Synchronous Serial Interface (SSI).\u003c\/li\u003e\n  \u003cli\u003eRobust differential RS422 signal transmission for clock (Cl+, Cl-) and data (D+, D-) lines.\u003c\/li\u003e\n  \u003cli\u003eFlexible parameterization of baud rate, data transmission direction, and coding schemes.\u003c\/li\u003e\n  \u003cli\u003eIntegrated Distributed Clocks (DC) for precise timestamping and synchronization.\u003c\/li\u003e\n  \u003cli\u003ePower fail bit monitoring and diagnostic options to detect sensor-side issues.\u003c\/li\u003e\n  \u003cli\u003eCompact, high-density terminal housing with integrated status LEDs for visual diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePosition measurement in automated CNC and metalworking machinery.\u003c\/li\u003e\n  \u003cli\u003eMaterial handling, packaging systems, and automated warehouse logistics.\u003c\/li\u003e\n  \u003cli\u003eSynchronized multi-axis motion control and positioning tables.\u003c\/li\u003e\n  \u003cli\u003eHeavy industrial positioning in oil and gas, power generation, and water treatment equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eEL5002\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSSI Encoder Interface\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEncoder Connection\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eD+, D-, Cl+, Cl-\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSignal Input (Data)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDifference signal (RS422)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSignal Output (Pulse)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDifference signal (RS422)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eData Transfer Rates\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eVariable up to 1 MHz (250 kHz default)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSerial Input\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eVariable up to 32 bit (24 bit default)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEncoder Operating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eExternal (via feed-in terminal, e.g., EL91xx)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 V DC via power contacts\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCurrent Consumption (Power Contacts)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTyp. 20 mA + load\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCurrent Consumption (E-Bus)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTyp. 130 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCurrent Load Power Contacts\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMax. 10 A\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\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e500 V (E-bus \/ field potential)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-25 degC 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 degC to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e95 %, no condensation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eIP20\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eVibration \/ Shock Resistance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEMC Immunity \/ Emission\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 61000-6-2 \/ EN 61000-6-4\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\u003e12 mm x 100 mm x 68 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApprox. 55 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSignal Type\u003c\/th\u003e\n      \u003cth\u003eTerminal Connection Point\u003c\/th\u003e\n      \u003cth\u003eFunction Description\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eClock Output\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCl+ \/ Cl-\u003c\/td\u003e\n      \u003ctd\u003eRS422 differential clock output to SSI encoder\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eData Input\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eD+ \/ D-\u003c\/td\u003e\n      \u003ctd\u003eRS422 differential data input from SSI encoder\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Feed\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 V DC \/ 0 V\u003c\/td\u003e\n      \u003ctd\u003ePower supply routing via the integrated power contacts\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\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 or vertically on a standard 35 mm DIN rail (conforming to EN 60715) using the integrated locking mechanism.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use solid, stranded, or ferruled copper conductors with cross-sections from AWG 28 to AWG 14 (solid\/stranded) or AWG 26 to AWG 16 (ferrule). Wire stripping length must be 8 to 9 mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Maintain proper electromagnetic shielding by grounding the encoder cable shield directly at the cabinet entry point or using dedicated shielding terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Keep ventilation paths clear to ensure adequate cooling and prevent the ambient temperature from exceeding 60 degC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE\u003c\/strong\u003e (European Conformity)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL\u003c\/strong\u003e Listed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eATEX Ex marking:\u003c\/strong\u003e II 3 G Ex nA IIC T4 Gc\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106489688427,"sku":"EL5002","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el5002-ymqv00txwhd.png?v=1776244530","url":"https:\/\/www.plcprotech.com\/de\/products\/beckhoff-el5002-ethercat-terminal-2-channel-ssi-encoder-interface","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}