{"product_id":"amm22tj-thermocouple-module-yokogawa-centum-dcs","title":"AMM22TJ Thermocouple Module Yokogawa CENTUM DCS","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM22TJ\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density thermocouple input multiplexer designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa Distributed Control Systems (DCS)\u003c\/strong\u003e, including\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM CS and CENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatforms. The module supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 thermocouple input channels\u003c\/strong\u003e, converting low-level millivolt thermal signals into accurate digital values for reliable temperature monitoring and control.\u003c\/p\u003e\n\u003cp\u003eTo ensure measurement integrity in harsh industrial environments, the AMM22TJ integrates\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einternal Cold Junction Compensation (CJC)\u003c\/strong\u003e, maintaining accuracy despite variations in terminal temperature. The module also incorporates comprehensive diagnostics, including\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eopen-circuit (burnout) detection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eshort-circuit protection\u003c\/strong\u003e, safeguarding both the field wiring and internal electronics. Its compact form factor enables efficient installation in standard I\/O nests, making it well suited for applications ranging from cryogenic systems to high-temperature furnace operations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eAMM22TJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Function\u003c\/td\u003e\n\u003ctd\u003eThermocouple Input Multiplexer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Input Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensor Type\u003c\/td\u003e\n\u003ctd\u003eThermocouple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Measurement Range\u003c\/td\u003e\n\u003ctd\u003e−100°C to +1800°C \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Power Supply\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Method\u003c\/td\u003e\n\u003ctd\u003eStandard I\/O module nest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H × W × D)\u003c\/td\u003e\n\u003ctd\u003e11.4 cm × 7.6 cm × 22.9 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM CS, CENTUM VP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Processing Equipment\u003c\/strong\u003e\u003cbr\u003eMulti-zone temperature monitoring in industrial ovens, kilns, and furnaces using high-temperature thermocouples (Type R, S, B).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Instrumented Applications\u003c\/strong\u003e\u003cbr\u003eRedundant temperature feedback in chemical reactors for early detection of abnormal thermal conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHVAC \u0026amp; Utility Systems\u003c\/strong\u003e\u003cbr\u003eCentralized monitoring of boilers, heat exchangers, and plant-wide thermal utilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct FAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the AMM22TJ require an external power supply?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The module operates on a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 V DC supply\u003c\/strong\u003e, typically provided through the Yokogawa I\/O nest backplane or associated terminal wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the AMM22TJ detect broken thermocouple wiring?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The built-in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eopen-circuit (burnout) detection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eidentifies thermocouple disconnection or failure and reports a diagnostic alarm to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM CS \/ VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperator station.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51718140428600,"sku":"AMM22TJ","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AMM22TJ2.jpg?v=1770344676","url":"https:\/\/www.automodulexpert.com\/fa\/products\/amm22tj-thermocouple-module-yokogawa-centum-dcs","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}