{"product_id":"yokogawa-aai841-h50-a4s00-analog-i-o-module","title":"Yokogawa AAI841-H50\/A4S00 Analog I\/O Module","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841 (P\/N: AAI841-H50\/A4S00)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-density analog I\/O module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edistributed control system. It maximizes rack utilization by delivering\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 analog input channels and 8 analog output channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin a single I\/O slot.\u003c\/p\u003e\n\u003cp\u003eThis model is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enon-isolated (common-ground) design\u003c\/strong\u003e, making it well suited for systems where field devices are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eexternally isolated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor share a stable reference potential. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4S00 option\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eequips the module with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epressure clamp terminal block\u003c\/strong\u003e, enabling secure, vibration-resistant\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edirect field wiring\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout the need for KS cable adapters.\u003cbr\u003eWith integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART communication (H-suffix)\u003c\/strong\u003e, the AAI841-H50\/A4S00 supports smart device configuration, diagnostics, and digital asset management alongside standard analog control.\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\u003eI\/O Configuration\u003c\/td\u003e\n\u003ctd\u003e8 × analog input + 8 × analog output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC (input and output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eHART (digital signal superimposed on 4–20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Interface\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal block (A4S00 option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eNon-isolated (common ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e500 V AC (I\/O to system logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e 250 Ω to 500 Ω (signal dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Accuracy\u003c\/td\u003e\n\u003ctd\u003e±16 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Accuracy\u003c\/td\u003e\n\u003ctd\u003e±48 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Type\u003c\/td\u003e\n\u003ctd\u003eBasic type, non-explosion protected (H50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Weight\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\u003ch2\u003eApplication Use Cases\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841-H50\/A4S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly deployed in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elarge-scale industrial plants\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuch as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003erefineries, water treatment facilities, and utility systems\u003c\/strong\u003e, where\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh I\/O density\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003espace efficiency\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART-enabled device management\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare required.\u003cbr\u003eIt is particularly effective for grouped control loops—such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eflow or temperature control valves\u003c\/strong\u003e—where centralized wiring and smart diagnostics simplify maintenance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of the A4S00 option compared to K4A00?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoption provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epressure clamp terminals for direct wiring\u003c\/strong\u003e, ideal for custom field cabling. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eK4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoption uses a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKS cable interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor fast, standardized plug-and-play installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the non-isolated design affect signal quality?\u003c\/strong\u003e\u003cbr\u003eIn systems with significant ground potential differences, isolated modules are recommended. However, in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ewell-grounded systems or with pre-isolated transmitters\u003c\/strong\u003e, the AAI841 offers a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecost-effective and space-efficient\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esolution without compromising performance.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51672048337208,"sku":"AAI841-H50\/A4S00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAI841-H50K4A00.jpg?v=1769651685","url":"https:\/\/www.automodulexpert.com\/tr\/products\/yokogawa-aai841-h50-a4s00-analog-i-o-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}