{"product_id":"el3312-beckhoff-ethercat-terminal-2-channel-thermocouple-input-16-bit-500-v-isolation","title":"EL3312 | Beckhoff EtherCAT Terminal 2-Channel Thermocouple Input 16-Bit 500 V Isolation","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"438\" data-start=\"101\"\u003eThe Beckhoff EL3312 is a 2-channel analog input EtherCAT Terminal for direct connection of thermocouples using 2-wire technology. It supports multiple thermocouple types, provides 16-bit resolution, and features internal cold junction compensation with 500 V electrical isolation for precise temperature measurement.\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%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eIndustrial Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eEL3312\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eEtherCAT Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e2-channel analog input for thermocouple measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eConnection Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e2-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eSupported Thermocouples\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eTypes B, C, E, J, K, L, N, R, S, T, U (default: K)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e16 bit (0.1\/0.01°C or 1\/2\/4 µV per digit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eInput Filter Limit Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eTyp. 1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e1.2 s to 20 ms (default ~125 ms, configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eVoltage Measurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e±30 \/ ±60 \/ ±75 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eMeasurement Uncertainty (Temp.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e±2.3°C to ±8.5°C depending on type (at 23°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eMeasurement Uncertainty (Voltage)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e\u0026lt; ±0.14% (at ±75 mV, 23°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eCold Junction Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eInternal and external (automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eVia E-bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eCurrent Consumption (E-bus)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e500 V (E-bus\/signal voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eSpecial Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eChannel-by-channel wire break detection, adjustable firmware filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eDistributed Clocks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eNot supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e-25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9779%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7073%;\"\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\"\u003eEL3312\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe EL3312 is part of Beckhoff’s EL3xxx EtherCAT Terminal series, engineered for accurate and reliable temperature measurement in distributed automation systems. It enables the direct connection of thermocouples via a 2-wire interface, allowing for simplified wiring and high signal integrity. The module supports multiple thermocouple types, including K, J, and T, with automatic cold junction compensation for precise readings across varying ambient conditions. The EL3312 converts analog temperature signals into 16-bit digital data, which is transmitted to the controller via the EtherCAT network. Integrated wire break detection and configurable firmware filtering enhance diagnostic capabilities and measurement stability. With 500 V electrical isolation and robust design, the EL3312 is ideal for industrial process monitoring, heating, and machine control applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-Type Thermocouple Support: Compatible with common thermocouple types (B, C, E, J, K, L, N, R, S, T, U).\u003c\/li\u003e\n\u003cli\u003eHigh Measurement Accuracy: Offers 16-bit resolution and automatic cold junction compensation for precise results.\u003c\/li\u003e\n\u003cli\u003eFlexible Conversion Settings: Adjustable conversion time and filter settings for optimized performance and noise immunity.\u003c\/li\u003e\n\u003cli\u003eIntegrated Diagnostics: Channel-level wire break detection and LED indication for quick fault identification.\u003c\/li\u003e\n\u003cli\u003eVoltage Measurement Capability: Also suitable for direct low-voltage signal measurement (±75 mV range).\u003c\/li\u003e\n\u003cli\u003eElectrical Isolation: 500 V isolation between signal and E-bus for safe operation in mixed-voltage environments.\u003c\/li\u003e\n\u003cli\u003eCompact EtherCAT Design: Enables efficient integration into distributed I\/O systems via E-bus power supply.\u003c\/li\u003e\n\u003cli\u003eIndustrial Durability: Reliable operation across -25°C to +60°C with IP20 protection and high humidity tolerance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EL3312 delivers the reliability and precision required for temperature monitoring, process control, and automation tasks in EtherCAT-based systems.\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":49105084580096,"sku":"EL3312","price":379.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/el3312__web_preview.png?v=1785539776","url":"https:\/\/alotechparts.com\/products\/el3312-beckhoff-ethercat-terminal-2-channel-thermocouple-input-16-bit-500-v-isolation","provider":"Alo Tech Solutions","version":"1.0","type":"link"}