{"product_id":"ast143-execution-control-package-yokogawa","title":"AST143 | Execution Control Package | Yokogawa","description":"\u003ch2\u003eYokogawa AST143 Execution Control Package\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AST143\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAST143\u003c\/strong\u003e Execution Control Package, operates as a dedicated hardware component for analog signal acquisition and 4-20 mA current output control within CENTUM VP and CENTUM CS 3000 systems. It manages thermocouple, RTD, and millivolt inputs while providing deterministic execution and HART communication support.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa AST143\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e220 mm x 100 mm x 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC ±10%, 80 mA at 24 VDC, 150 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputTypes\u003c\/td\u003e\n\u003ctd\u003eThermocouple (TC), Millivolt (mV), RTD, Thermistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumberofChannels\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputRange\u003c\/td\u003e\n\u003ctd\u003eTC: -200 to 1500 degC; RTD: -200 to 800 degC; Thermistor: -50 to 150 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.2% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunicationProtocol\u003c\/td\u003e\n\u003ctd\u003eHART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eBuilt-in isolated barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstandingVoltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC between circuits and channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputResistance\u003c\/td\u003e\n\u003ctd\u003e≥1 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDataUpdatePeriod\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReferenceJunctionCompensation\u003c\/td\u003e\n\u003ctd\u003e±1 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriftDueToAmbientTemp\u003c\/td\u003e\n\u003ctd\u003eTC: ±125 μV\/10 degC; mV: ±250 μV\/10 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control And DCS Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports channel-to-channel isolation to prevent signal interference across analog inputs.\u003c\/li\u003e\n\u003cli\u003eCold junction compensation (CJC) is implemented for thermocouple channels, maintaining ±1 degC reference accuracy.\u003c\/li\u003e\n\u003cli\u003eHART protocol is supported on all 4-20 mA outputs for device diagnostics and configuration without interrupting loop operation.\u003c\/li\u003e\n\u003cli\u003eCompatible with FOUNDATION Fieldbus and Profibus PA systems for expanded connectivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AST143 support hot-swappable installation?\u003cbr\u003eA: Hot-swapping is not recommended. All analog input wiring and power must be disconnected prior to module replacement to avoid signal disturbance.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum loop resistance supported for 4-20 mA outputs?\u003cbr\u003eA: Standard 4-20 mA loop resistance limits apply; typical field wiring up to 500 Ω is supported without degrading signal accuracy.\u003c\/p\u003e\n\u003cp\u003eQ: Can firmware be updated in the field?\u003cbr\u003eA: Firmware updates must be performed according to Yokogawa CENTUM VP\/CS 3000 maintenance procedures to avoid execution disruption.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount module vertically in the rack to ensure proper ventilation.\u003c\/li\u003e\n\u003cli\u003eMaintain at least 20 mm spacing between analog input cables and high-voltage power lines to reduce EMI.\u003c\/li\u003e\n\u003cli\u003eConnect shielded analog signal cables to the designated earth terminals to minimize noise coupling.\u003c\/li\u003e\n\u003cli\u003eVerify isolated barrier integrity before powering the module to prevent cross-channel voltage faults.\u003c\/li\u003e\n\u003cli\u003eRoute input and output cables separately and avoid looping or crossing with AC mains wiring.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44214137946200,"sku":"AST143","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/AST143-3.jpg?v=1781056781","url":"https:\/\/www.industriaxplc.com\/products\/ast143-execution-control-package-yokogawa","provider":"IndustriaX Limited","version":"1.0","type":"link"}