{"product_id":"el3702-beckhoff-ethercat-terminal-2-channel-analog-input-10-v-16-bit-oversampling","title":"EL3702 | Beckhoff EtherCAT Terminal 2-Channel Analog Input ±10 V 16 Bit Oversampling","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"438\" data-start=\"101\"\u003eThe Beckhoff EL3702 is a 2-channel analog input EtherCAT Terminal designed for high-speed voltage signal acquisition in the ±10 V range. Featuring 16-bit resolution and oversampling capability up to 100 ksamples\/s per channel, it provides precise, synchronized data for demanding measurement and control applications.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%; height: 666.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eIndustrial Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eEL3702\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eEtherCAT Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e2 (differential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eSignal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e-10 V to +10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e16 bit (including sign)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eMax. Sampling Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e100 ksamples\/s (10 µs per sample)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eOversampling Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eSelectable n = 1…100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Signal Bandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e0…30 kHz (recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 39.2px;\"\u003e\u003cstrong\u003eInput Filter Limit Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 39.2px;\"\u003e80 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 39.2px;\"\u003e\u003cstrong\u003eCommon Mode Voltage (UCM)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 39.2px;\"\u003eMax. 35 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e~10 µs per sample\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eMeasurement Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e\u0026lt; ±0.3% up to 10 Hz (relative to full scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eInternal Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e\u0026gt; 200 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eVia E-bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eDistributed Clocks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eYes, precision \u0026lt;\u0026lt; 1 µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 39.2px;\"\u003e\u003cstrong\u003eProcess Image Bit Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 39.2px;\"\u003en × 2 × 16-bit data + optional cycle counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e500 V (E-bus\/signal voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 39.2px;\"\u003e\u003cstrong\u003eCurrent Consumption (E-bus)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 39.2px;\"\u003eTyp. 200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 39.2px;\"\u003e\u003cstrong\u003eCurrent Consumption (Power Contacts)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 39.2px;\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eSpecial Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eOversampling, distributed clock synchronization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 39.2px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 39.2px;\"\u003e-25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.8313%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0356%; height: 19.6px;\"\u003eApprox. 60 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eEL3702\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe EL3702 is part of Beckhoff’s EL3xxx EtherCAT analog input terminal family, optimized for precision data acquisition and signal processing in automation systems. It features two differential voltage inputs capable of measuring ±10 V signals with 16-bit resolution, offering high accuracy and repeatability. The terminal’s oversampling technology allows multiple measurements per EtherCAT bus cycle, improving temporal resolution and enabling detailed signal analysis. Using distributed clocks, the EL3702 achieves sub-microsecond synchronization with other EtherCAT devices, making it suitable for applications requiring precise timing, such as motion control and vibration monitoring. The module’s high sampling rate, wide bandwidth, and robust electrical isolation ensure reliable performance in industrial measurement environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual Differential Inputs: Provides two independent ±10 V analog input channels with high accuracy and electrical isolation.\u003c\/li\u003e\n\u003cli\u003eHigh-Speed Sampling: Supports sampling rates up to 100 ksamples\/s per channel for real-time signal analysis.\u003c\/li\u003e\n\u003cli\u003e16-Bit Resolution: Ensures fine measurement granularity across the full input range for precise voltage acquisition.\u003c\/li\u003e\n\u003cli\u003eAdvanced Oversampling: Selectable oversampling factors (n = 1…100) enhance signal fidelity and timing resolution.\u003c\/li\u003e\n\u003cli\u003eDistributed Clock Synchronization: Enables sub-microsecond synchronization with other EtherCAT devices for coordinated system performance.\u003c\/li\u003e\n\u003cli\u003eWide Bandwidth: Recommended input bandwidth of up to 30 kHz for dynamic signal capture.\u003c\/li\u003e\n\u003cli\u003eLow Measurement Error: Achieves \u0026lt; ±0.3% error up to 10 Hz, ensuring consistent accuracy across measurement ranges.\u003c\/li\u003e\n\u003cli\u003eRobust Industrial Design: Provides 500 V electrical isolation and operates from -25°C to +60°C for reliable use in harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EL3702 delivers the reliability and precision required for high-speed analog data acquisition, motion control, and signal monitoring in EtherCAT-based automation systems.\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":49105089265920,"sku":"EL3702","price":492.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/26_05_2023_12_42_15_EL3702_Beckhoff.jpg?v=1785539915","url":"https:\/\/alotechparts.com\/products\/el3702-beckhoff-ethercat-terminal-2-channel-analog-input-10-v-16-bit-oversampling","provider":"Alo Tech Solutions","version":"1.0","type":"link"}