{"product_id":"yokogawa-sai143-h33-prosafe-rs-analog-input-module","title":"Yokogawa SAI143-H33 ProSafe-RS Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SAI143-H33\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-integrity analog input interface designed specifically for the ProSafe-RS Safety Instrumented System (SIS). This module accepts 16 channels of 4 to 20 mA signals from field transmitters, providing the vital data link for Safety Integrity Level 3 (SIL3) applications. By integrating sophisticated self-diagnostics and channel-to-channel isolation, the SAI143-H33 ensures process safety in emergency shutdown (ESD) and fire and gas (F\u0026amp;G) systems. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition to guarantee the highest safety performance.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Impact\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSAI143\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBase Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog Input Module (4 to 20 mA, 16-channel, Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-H\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports Digital Communication (HART protocol)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProtective Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncludes G3 conformal coating for harsh environments\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSafety Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDesignates specific functional safety revision\/certification\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 channels, fully isolated.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Signal:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4 to 20 mA DC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Integrity Level:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSIL3 certified (when used in redundant configuration).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHART Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnables bidirectional digital communication over analog loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.5 cm x 12.7 cm x 12.7 cm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.4 kg.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUSA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMax 450 mA (24 V DC).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAchieve SIL3 Safety Standards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SAI143-H33 features internal redundant circuitry and continuous self-testing. It detects internal hardware failures and signal discrepancies instantly, triggering safe-state logic to protect personnel and high-value assets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplify Field Device Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated HART protocol support allows engineers to perform remote diagnostics and valve signature analysis through the safety rack. This functionality removes the need for technicians to enter hazardous areas for routine instrument checks, directly reducing operational risk.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Environmental Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"H33\" designation indicates high-grade hardware protection. This module withstands corrosive atmospheres (Class G3) often found in refineries and chemical plants, preventing silver and copper corrosion on the PCB and extending the module’s lifecycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact High-Density Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMeasuring only 2.5 cm in width, this module maximizes I\/O density within the safety nest. This compact footprint allows for more safety loops per cabinet, significantly reducing the total cost of marshalling and enclosure requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SAI143-H33 support redundant configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. For SIL3 applications, you typically install these modules in redundant pairs. The ProSafe-RS architecture automatically manages the data synchronization between the active and standby units to ensure zero downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module for non-safety control tasks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile technically possible, the SAI143-H33 is specifically engineered and certified for safety applications. For standard process control without safety requirements, the AAI143 series offers a more cost-effective alternative.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of terminal board does this module require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SAI143-H33 interfaces with specific ProSafe-RS terminal boards via KS cables. We recommend verifying your terminal board model (e.g., SEA4D) to ensure complete compatibility with the 16-channel isolated input structure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify the \"Brand New\" status?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe ship all units in original Yokogawa factory packaging, featuring intact security seals and original serial numbers. This ensures you receive a product that has never been installed or refurbished, maintaining the integrity of your safety system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53438991204536,"sku":"SAI143-H33","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/SAI143-H331.png?v=1778056962","url":"https:\/\/www.globalpetroparts.com\/products\/yokogawa-sai143-h33-prosafe-rs-analog-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}