{"product_id":"analog-input-module-yokogawa-sai143-h03-a4d00","title":"Analog Input Module Yokogawa SAI143-H03\/A4D00","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SAI143-H03\/A4D00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-integrity\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned specifically for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSafety Control Units (SCU)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSafety Node Units (SNU)\u003c\/strong\u003e. It provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 fully isolated current input channels\u003c\/strong\u003e, making it a core component in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSafety Instrumented Systems (SIS)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhere deterministic response, accuracy, and electrical protection are critical.\u003c\/p\u003e\n\u003cp\u003eThe module supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2-wire and 4-wire transmitter configurations\u003c\/strong\u003e, selectable per channel via hardware setting pins, allowing flexible connection of loop-powered and externally powered field devices. With a fast\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e40 ms internal data refresh rate\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand high dielectric withstand capability, the SAI143-H03\/A4D00 ensures reliable signal acquisition while protecting the safety system backplane from field-side electrical disturbances.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\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\u003eOrdering Code\u003c\/td\u003e\n\u003ctd\u003eSAI143-H03\/A4D00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Type\u003c\/td\u003e\n\u003ctd\u003eSafety analog input (SIS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Signal\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermissible Input Range\u003c\/td\u003e\n\u003ctd\u003e0–25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy (H-version)\u003c\/td\u003e\n\u003ctd\u003e±16 μA (0.05–23 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 Ω (power ON)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Supply (2-wire)\u003c\/td\u003e\n\u003ctd\u003e≥16.15 V at 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Strength\u003c\/td\u003e\n\u003ctd\u003e1.5 kV AC, 60 s (Input to System)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003e±16 μA per 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e320 mA @ 5 V \/ 550 mA @ 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 0.34 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\u003cp\u003eThe SAI143-H03\/A4D00 is intended for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esafety-critical analog input loops\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein Yokogawa\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand safety-integrated CENTUM architectures. Typical applications include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEmergency Shutdown (ESD) systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFire \u0026amp; Gas detection monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-pressure and over-temperature protection loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore platforms, chemical reactors, and LNG facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts precision and fast update cycle make it suitable for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL-rated protection functions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I select between 2-wire and 4-wire transmitter modes?\u003c\/strong\u003e\u003cbr\u003eEach channel is configured using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ephysical setting pins\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon the module, allowing independent selection of loop-powered (2-wire) or externally powered (4-wire) operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the “S” and “H” versions of the SAI143?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eH-version (High-precision)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports a wider effective measurement range (0.05–23 mA) while maintaining accuracy, compared to the standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS-version\u003c\/strong\u003e, which is optimized for the nominal 4–20 mA range.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51746408628536,"sku":"SAI143-H03\/A4D00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SAI143-H03A4D00.jpg?v=1770603238","url":"https:\/\/www.automodulexpert.com\/products\/analog-input-module-yokogawa-sai143-h03-a4d00","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}