{"product_id":"yokogawa-sai143-h53-s3-analog-input-module","title":"Yokogawa SAI143-H53 S3 Analog Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSAI143-H53 S3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance safety analog input module designed for the Yokogawa Electric Corporation ProSafe-RS Safety Instrumented System (SIS) platform.\u003c\/p\u003e\n\u003cp\u003eThis module is strictly a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16-channel 4–20 mA analog current input interface\u003c\/strong\u003e, despite occasional misclassification in legacy catalogs as an output device. It is used for monitoring safety-critical process variables such as:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLevel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlow measurements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS3 revision\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eindicates enhanced environmental hardening, including extended temperature operation and superior corrosion resistance for harsh industrial deployments.\u003c\/p\u003e\n\u003cp\u003eThe module also supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART communication\u003c\/strong\u003e, enabling bidirectional diagnostic data exchange between smart field transmitters and the safety control station. This supports predictive maintenance, remote calibration, and device health monitoring.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eintegrated loop power supply capability\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor 2-wire transmitters, simplifying field wiring by eliminating the need for external transmitter power modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eSAI143-H53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRevision\u003c\/td\u003e\n\u003ctd\u003eS3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART Support\u003c\/td\u003e\n\u003ctd\u003eYes (HART R1.02.00)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Refresh Cycle\u003c\/td\u003e\n\u003ctd\u003e40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Strength\u003c\/td\u003e\n\u003ctd\u003e1.5 kV AC dielectric strength (1 minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eISA G3 conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Power\u003c\/td\u003e\n\u003ctd\u003eIntegrated 2-wire loop power (global control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Type\u003c\/td\u003e\n\u003ctd\u003ePressure clamp or MIL-spec connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Integrity\u003c\/td\u003e\n\u003ctd\u003eSIL3 capable (when used in redundant safety architecture)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eIndustrial Application Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe SAI143-H53 S3 is widely deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore oil and gas platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical refineries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLNG processing plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemote pumping and pipeline stations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly important in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEmergency Shutdown (ESD)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFire \u0026amp; Gas (F\u0026amp;G)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety loops where reliable sensor data acquisition is critical for protective action logic.\u003c\/p\u003e\n\u003cp\u003eThe G3 corrosion resistance rating helps protect internal circuitry from:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHydrogen sulfide ($H_2S$)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSulfur dioxide ($SO_2$)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh humidity and salt spray environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the SAI143-H53 S3 accept signals other than 4–20 mA?\u003c\/strong\u003e\u003cbr\u003eNo. This module is specifically calibrated for 4–20 mA current loops. For voltage inputs such as 1–5 V, engineers must use a different module or install a precision shunt resistor on the terminal board.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the extended temperature rating?\u003c\/strong\u003e\u003cbr\u003eThe extended range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-20°C to +70°C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows installation inside remote instrument enclosures or outdoor cabinets without requiring high-capacity HVAC cooling systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs SIL3 certification supported?\u003c\/strong\u003e\u003cbr\u003eYes, when deployed in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundant safety loop architectures\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin the ProSafe-RS SIS environment.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51818578575672,"sku":"SAI143-H53 S3","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SAI143-H53_S3.jpg?v=1771898191","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-sai143-h53-s3-analog-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}