{"product_id":"aai841-yokogawa-analog-i-o-module","title":"AAI841 Yokogawa Analog I\/O Module","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emulti-functional analog I\/O module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edeveloped for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP and CS 3000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrol systems. It maximizes rack efficiency by combining\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog input and output functions within a single slot\u003c\/strong\u003e, providing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eeight total channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etypically configured as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 analog inputs and 4 analog outputs\u003c\/strong\u003e, all operating on\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA signals\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDesigned for high reliability and stable signal processing, the AAI841 features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eelectrical isolation between I\/O signals and system logic\u003c\/strong\u003e, protecting the DCS backplane from surges, noise, and ground loop interference. Its compact, robust design makes it well suited for continuous operation in space-constrained industrial environments.\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\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAAI841\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCombined Analog Current Input \/ Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 AI \/ 4 AO (8 channels total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\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\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250 Ω (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Load Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–600 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput ±16 µA \/ Output ±48 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUpdate Cycle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC (via system bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e 0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elocalized control loops\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhere both measurement and actuation are required in a compact form, such as:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHeat exchanger and temperature control loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical dosing and blending skids\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemote or skid-mounted instrument enclosures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy handling both feedback and control action on a single module, it reduces wiring complexity and overall I\/O footprint.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the AAI841 be used in redundant configurations?\u003c\/strong\u003e\u003cbr\u003eYes. When installed on a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundancy-capable CENTUM VP baseplate\u003c\/strong\u003e, the AAI841 supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant operation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto enhance system availability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the AAI841 support HART communication?\u003c\/strong\u003e\u003cbr\u003eThe standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841 is analog-only\u003c\/strong\u003e. For applications requiring HART diagnostics and digital device management, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI841-H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evariant should be selected.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51676599583032,"sku":"AAI841","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAI8412.jpg?v=1769738627","url":"https:\/\/www.automodulexpert.com\/bg\/products\/aai841-yokogawa-analog-i-o-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}