{"product_id":"aai841-s50-yokogawa-analog-input-module","title":"AAI841-S50 Yokogawa Analog Input Module","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrol system. This variant is specifically engineered for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eharsh industrial environments\u003c\/strong\u003e, as indicated by the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS50 suffix\u003c\/strong\u003e, which denotes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eG3 conformal coating\u003c\/strong\u003e. This protective coating safeguards internal circuitry against\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecorrosive gases, moisture, and airborne contaminants\u003c\/strong\u003e, making the module well-suited for wastewater treatment plants, chemical processing facilities, and coastal or offshore installations.\u003c\/p\u003e\n\u003cp\u003eThe module supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 analog input channels\u003c\/strong\u003e, typically connected to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA field transmitters\u003c\/strong\u003e. It provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egalvanic isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebetween field wiring and the system bus, minimizing the risk of ground loops and protecting the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eField Control Station (FCS)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom electrical disturbances. With a fast update cycle, the AAI841-S50 ensures timely delivery of process data for accurate\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePID control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esafety monitoring\u003c\/strong\u003e.\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\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\u003eNumber of Input Channels\u003c\/td\u003e\n\u003ctd\u003e16 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003eIsolated from system logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\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\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Isolation Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V AC (1 minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Cycle\u003c\/td\u003e\n\u003ctd\u003e40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eG3 conformal coating (S50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e320 mA at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eFIO (Field Interface Unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP, CS 3000 R3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eFunctional Comparison: S50 vs. S00 Variants\u003c\/h2\u003e\n\u003cp\u003eThe key difference between the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand the standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evariant lies in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eenvironmental protection\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eS00\u003c\/strong\u003e: Intended for clean, climate-controlled control rooms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eS50\u003c\/strong\u003e: Qualified for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eISA-S71.04 Class G3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenvironments, including exposure to corrosive gases such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHydrogen Sulfide (H₂S)\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eChlorine (Cl₂)\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSulfur Dioxide (SO₂)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes the S50 version the preferred option for aggressive or contaminated industrial atmospheres.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the AAI841-S50 support redundant operation?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. When installed on a redundancy-capable baseplate, the module can be deployed in pairs to support\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-availability (up to 99.9999%)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the AAI841-S50 compatible with older CENTUM CS 3000 systems?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. The AAI841 series is compatible with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM CS 3000 R3\u003c\/strong\u003e, provided the correct\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFIO nodes and baseplates\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare used.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51667076153656,"sku":"AAI841-S50","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAI135-H532.jpg?v=1769565041","url":"https:\/\/www.automodulexpert.com\/products\/aai841-s50-yokogawa-analog-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}