{"product_id":"yokogawa-aat141-s50-s2-tc-mv-input-module-16-channel","title":"Module d'entrée TC\/mV 16 canaux Yokogawa AAT141-S50 S2","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAT141-S50 S2 (AAT141)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density, 16-channel isolated input module specifically engineered for the Yokogawa CENTUM VP distributed control system (DCS). This module specializes in the precise acquisition of low-level signals from thermocouples (TC) and millivolt (mV) sources, covering a wide range of industrial sensors including Types R, J, K, E, T, B, S, and N. Designed for mission-critical thermal monitoring in industries such as steel manufacturing, glass production, and power generation, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAT141\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides exceptional signal integrity with a 1500 V AC withstanding voltage. Its isolated architecture eliminates multi-point ground errors, which is vital for preventing temperature measurement drifts. By supporting dual-redundant configurations and offering a 1-second data refresh cycle, this module ensures continuous process visibility and minimizes the risk of costly downtime due to sensor signal interference or hardware failure.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAT141-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodel name identifies the hardware standards and safety certifications of the unit:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-S:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesignates the Standard type hardware, optimized for high-reliability data acquisition within the CENTUM VP FIO subsystem.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e5:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndicates the module is manufactured with no explosion protection, intended for use in safe areas or within properly purged and pressurized control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifies the Basic type configuration, providing standard 16-channel thermocouple and millivolt processing capabilities without additional specialized modifiers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eS2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRepresents the hardware style\/revision code, ensuring compatibility with the latest STARDOM and CENTUM node units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAAT141-S50 S2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16, isolated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Signal (TC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypes J, K, E, B, R, S, T, N\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Signal (mV)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-100 to 150 mV, -20 to 80 mV\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAccuracy (TC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWithin plus\/minus 1 deg C (Ref. Junction)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eData Update Period\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 second\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWithstanding Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1500 V AC (Input to System)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e450 mA (at 5 V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the AAT141 support grounded or non-grounded thermocouples?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is highly recommended to use non-ground type thermocouples. Because the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAT141\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an isolated module, using ground type thermocouples can result in multi-point grounding across different channels, which often leads to significant temperature measurement errors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does ambient temperature affect the Reference Junction Compensation (RJC)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RJC accuracy is optimized for stable environments. In a standard node, accuracy is plus\/minus 1 deg C between 15 and 45 deg C. If the environment fluctuates or is at extremes (-20 to 15 deg C or 45 to 70 deg C), the RJC error margin increases to plus\/minus 2 deg C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix thermocouple types and millivolt inputs on a single module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Each of the 16 channels can be individually configured for either TC or mV input, providing maximum flexibility for diverse sensor arrays within a single I\/O slot.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAT141\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis highly sensitive to radiated heat. Do not install heat-radiating units (such as power supplies or CPU modules like CP461\/CP451) directly beneath or adjacent to this module. If a non-compatible I\/O module must be placed nearby, leave at least one empty slot on each side to act as a thermal buffer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAirflow Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAvoid installing the module in areas where direct, high-velocity airflow (such as cabinet fans) hits the pressure clamp terminals. If a fan is located in the upper cabinet space, mount the module at least 133 mm (3 units) below the fan to prevent RJC instability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Consistency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen using millivolt inputs, the wiring resistance for signal cables must be identical to maintain accuracy. Use a nominal conductor cross-sectional area of 1.25 mm2 or less and ensure all terminal connections are torqued correctly to prevent contact resistance drift.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRJC Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAccuracy specifications are based on stable thermal conditions. If the cabinet door is opened or if a sudden temperature change occurs, allow sufficient time for the pressure clamp terminal temperature to stabilize before trusting high-precision measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52695399235947,"sku":"AAT141-S50 S2","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/yokogawa-aat141-s50-s2-tc-mv-input-module-d23uk5gfpmw_20f59f2f-605c-497e-94ca-5d6ba034599b.jpg?v=1766133617","url":"https:\/\/www.plcprotech.com\/fr\/products\/yokogawa-aat141-s50-s2-tc-mv-input-module-16-channel","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}