{"product_id":"beckhoff-el3202-ethercat-terminal-2-channel-analog-input-rtd","title":"BECKHOFF EL3202 Terminal EtherCAT d'entrée analogique 2 canaux RTD","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3202 (EL3202)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEtherCAT Terminal is a high-precision, 2-channel analog input module engineered for direct resistance temperature detector (RTD) connection. Operating on the high-speed EtherCAT protocol, this terminal accommodates extensive sensor types including Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, and Ni1000, alongside raw resistance and KTY sensor measurements. Its 16-bit digitization delivers an exceptional resolution of 0.1 Celsius per digit.\u003c\/p\u003e\n\u003cp\u003eDeployable across demanding thermal monitoring landscapes—such as petrochemical refining, plastics extrusion, and pharmaceutical processing—the module provides precise temperature tracking critical for safeguarding equipment, ensuring batch consistency, and dropping unplanned downtime in complex automated processes.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Functional Configuration\u003c\/h3\u003e\n\u003cp\u003eThe EL3202 executes sensor communication using a low measuring current under 0.5 mA, preventing self-heating errors inside the RTD elements and preserving absolute accuracy. Out of the box, the hardware supports 2-wire or 3-wire cabling methods, defaulting to a 3-wire setup to systematically compensate for lead resistance variations in extended field runs.\u003c\/p\u003e\n\u003cp\u003eThe process image passes data via a 2 x 32-bit RTD input profile. Advanced internal processing functions include an integrated digital filter to suppress high-frequency line noise, alongside configurable limit value monitoring that triggers rapid alert states directly at the I\/O layer. System logic and processing power draw entirely from the native E-bus backplane, demanding an optimized current consumption profile.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEL3202\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBECKHOFF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGermany\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Technology\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEtherCAT Terminal (E-bus powered)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 bit (0.1 Celsius per digit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupported Sensors\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, KTY, Resistance (10 Ohm to 1.2\/4 kOhm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnection Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2-wire or 3-wire (3-wire default)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 85 ms (default), adjustable from 2 to 800 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTemperature Measuring Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePt: -200 to +850 deg C \/ Ni: -60 to +250 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Filter Limit Frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTyp. 1 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMeasuring Error\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLess than +\/-0.5 deg C for Pt sensors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 V (E-bus to signal voltage)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw (E-bus)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTyp. 190 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcess Data Width\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x 32 bit RTD input\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Beckhoff EL housing (Approx. 12 mm width)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 60 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 to +60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompliance Approvals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, Ex\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Queries and Answers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow can the conversion time be shortened to accommodate rapid thermal transients?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe conversion time is configurable from 2 ms to 800 ms through the TwinCAT CoE (CanOpen over EtherCAT) settings window. Shortening the conversion time allows faster system responses but decreases the active noise suppression capabilities of the internal digital filter, slightly raising the signal noise floor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of using the 3-wire connection configuration over the 2-wire layout?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe default 3-wire configuration runs a compensation loop that measures and cancels out the inherent electrical resistance of the field copper wires. The 2-wire layout does not factor in wire length, meaning long cable runs will introduce static measurement offsets that degrade calibration accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the EL3202 feature Distributed Clocks (DC) capabilities?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the EL3202 does not utilize Distributed Clocks functionality. Real-time scanning and data transmission rely instead on the continuous frame transmission sequence synchronized directly with the master EtherCAT controller cycle.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Wiring Protocol and Thermal Management\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLead Termination Instructions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOpen the internal cage clamp terminals using a standard technical screwdriver. Strip signal cables precisely to 9 or 10 mm. Avoid using uninsulated or loosely stranded wires. For environments prone to heavy vibration, crimp high-quality ferrules directly onto the conductor tips before terminal insertion to avoid loose connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCabinet Thermal Profiling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen mounting the system, ensure the ambient environment stays between -25 and +60 deg C. Maintain vertical alignment on a standard 35 mm DIN rail to promote passive convection cooling across the housing slots. Leave adequate clearance gaps at the top and bottom of the terminal stack to prevent localized heat pockets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNoise and Grounding Precautions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways route high-voltage motor leads and AC power cables separate from the low-voltage RTD instrumentation cables. Use shielded twisted-pair (STP) wires for the RTD sensors, and terminate the cable shields onto a dedicated earth ground rail located right at the panel entrance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106631016811,"sku":"EL3202","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el3202-g0urfrhsddo.png?v=1776244458","url":"https:\/\/www.plcprotech.com\/fr\/products\/beckhoff-el3202-ethercat-terminal-2-channel-analog-input-rtd","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}