{"product_id":"sai143-h63-s4-yokogawa-analog-input-module","title":"SAI143-H63 S4 Yokogawa Analog Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSAI143-H63 S4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision analog input safety module designed for the Yokogawa ProSafe-RS Safety Instrumented System (SIS). It provides reliable acquisition of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA analog signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom field transmitters such as pressure, flow, and temperature sensors.\u003c\/p\u003e\n\u003cp\u003eEngineered to meet\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL3 (IEC 61508)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety integrity requirements, the SAI143-H63 S4 ensures high-accuracy monitoring with fail-safe processing for critical safety applications.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eH63 variant\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART communication\u003c\/strong\u003e, enabling remote diagnostics and configuration of smart field instruments directly through the safety network. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS4 hardware revision\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eindicates enhanced environmental and long-term operational stability for mission-critical installations.\u003c\/p\u003e\n\u003cp\u003eWith\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 electrically isolated input channels\u003c\/strong\u003e, the module prevents fault propagation between signal loops, improving overall system safety and reliability in high-risk industrial environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical 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\u003c\/td\u003e\n\u003ctd\u003eSAI143-H63 S4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels (isolated)\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\u003eSafety Certification\u003c\/td\u003e\n\u003ctd\u003eSIL3 (IEC 61508)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART Support\u003c\/td\u003e\n\u003ctd\u003eIntegrated HART pass-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003e16-bit high-resolution\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\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e500V AC (input to logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 500 mA at 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e127 × 229 × 178 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe SAI143-H63 S4 is widely used in safety-critical industries including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore oil \u0026amp; gas platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLNG processing facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical processing systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTypical 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\u003eHigh-Pressure Protection Systems (HIPPS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety loop monitoring for critical process variables\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts high-resolution conversion and HART diagnostics capability make it ideal for remote safety monitoring and predictive maintenance workflows.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Does this module support redundancy?\u003c\/strong\u003e\u003cbr\u003eYes. The module is designed for use in dual-redundant safety node architectures to ensure continuous safety monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can it power field transmitters?\u003c\/strong\u003e\u003cbr\u003eYes. It typically operates in 2-wire loop-powered configurations, supplying 24V DC loop power while measuring the 4–20 mA signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What is the benefit of HART support?\u003c\/strong\u003e\u003cbr\u003eHART functionality allows remote health monitoring, calibration verification, and configuration of smart transmitters without direct field access, reducing maintenance risk and cost.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51851080859960,"sku":"SAI143-H63 S4","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SAI143-H63_S41.jpg?v=1772590989","url":"https:\/\/www.automodulexpert.com\/products\/sai143-h63-s4-yokogawa-analog-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}