{"product_id":"yokogawa-sai143-h53-a4s00-analog-input-module","title":"Yokogawa SAI143-H53\/A4S00 Analog Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSAI143-H53\/A4S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability analog input module designed for the Yokogawa Electric Corporation ProSafe-RS Safety Instrumented System (SIS) platform.\u003c\/p\u003e\n\u003cp\u003eThis module functions as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16-channel 4–20 mA current input interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor safety-critical process monitoring. It is commonly used to acquire field signals representing:\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\u003eFlow rate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOther SIL-rated process variables\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econtinuous loop health diagnostics\u003c\/strong\u003e, allowing immediate detection of open circuits or short wiring faults. Its compact, lightweight design supports high-density installation in ProSafe-RS SIS I\/O nests for large-scale safety architectures.\u003c\/p\u003e\n\u003cp\u003eAlthough sometimes mislabeled in legacy catalogs as a \"power supply\" component, the SAI143-H53 is strictly an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog input acquisition module\u003c\/strong\u003e. It may support loop-powered transmitter circuits but does not function as a system power supply.\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 Designation\u003c\/td\u003e\n\u003ctd\u003eSAI143-H53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Order Code\u003c\/td\u003e\n\u003ctd\u003eSAI143-H53\/A4S00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS SIS\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 analog current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Accuracy\u003c\/td\u003e\n\u003ctd\u003eHigh-precision safety measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Integrity Level\u003c\/td\u003e\n\u003ctd\u003eSIL3 capable (when used in redundant architecture)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eDual-module redundant configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART Communication\u003c\/td\u003e\n\u003ctd\u003eSupported (bidirectional pass-through)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.2 cm × 18.1 cm × 12.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eSafety Application Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe SAI143-H53\/A4S00 is widely deployed in high-risk process protection systems such as:\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 (F\u0026amp;G) safety monitoring loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore oil and gas production facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLNG liquefaction plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical refining plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module ensures safety logic solvers receive accurate and verified process measurements, allowing protective shutdown actions to be executed precisely when process thresholds are exceeded.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module a power supply unit?\u003c\/strong\u003e\u003cbr\u003eNo. The SAI143-H53\/A4S00 is an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog input module\u003c\/strong\u003e. It receives 4–20 mA signals from field transmitters. It may support loop-powered transmitter operation but does not provide system-level power supply output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the \/A4S00 suffix mean?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuffix typically represents a standard hardware configuration with specific connector, coating, or terminal compatibility options for ProSafe-RS safety I\/O boards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs redundancy required for SIL3?\u003c\/strong\u003e\u003cbr\u003eYes. SIL3 safety integrity is typically achieved using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundant module pairing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand appropriate system-level safety architecture design.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51818435838264,"sku":"SAI143-H53\/A4S00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SAI143-H53A4S00.jpg?v=1771898191","url":"https:\/\/www.automodulexpert.com\/hy\/products\/yokogawa-sai143-h53-a4s00-analog-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}