{"product_id":"yokogawa-aab841-s50-s2-analog-i-o-module","title":"Yokogawa AAB841-S50 S2 Analog I\/O Module","description":"\u003ch3\u003eFunctional Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAB841-S50 (Style S2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a hybrid analog I\/O module designed for both the Yokogawa Electric Corporation CENTUM VP and ProSafe-RS control architectures.\u003c\/p\u003e\n\u003cp\u003eThis module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 configurable voltage channels\u003c\/strong\u003e, each software-selectable as either analog input (AI) or analog output (AO). It is specifically optimized for high-density FIO (Field I\/O) environments where compact, flexible loop configuration is required.\u003c\/p\u003e\n\u003cp\u003eDesigned for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1–5 V DC signal processing\u003c\/strong\u003e, the AAB841-S50 is well suited for localized skid systems and shared-ground applications where full per-channel galvanic isolation is not required.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical 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 Designation\u003c\/td\u003e\n\u003ctd\u003eAAB841-S50 (Style S2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e8 channels (software configurable as AI or AO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e1–5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP \/ ProSafe-RS (FIO System)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e≥ 1 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Load Resistance\u003c\/td\u003e\n\u003ctd\u003e≥ 2 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of full scale (AI \u0026amp; AO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Refresh Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e450 mA typical (5 V DC internal bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e32.8 mm (W) × 130 mm (D) × 107.5 mm (H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eModule Comparison \u0026amp; Selection\u003c\/h3\u003e\n\u003cp\u003eThe AAB841-S50 is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enon-isolated hybrid module\u003c\/strong\u003e, making it ideal for:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInternal cabinet wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShared-ground systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact skid-mounted control panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplications requiring flexible AI\/AO assignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor applications requiring full channel-to-channel galvanic isolation and higher noise immunity, engineers should consider isolated alternatives such as:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAAI141\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(voltage input, isolated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAAI541\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(voltage output, isolated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AAB841-S50 excels in cost-sensitive or space-constrained designs where signal grounding is controlled and high-speed performance is required without individual channel isolation overhead.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the AAB841-S50 process 4–20 mA signals?\u003c\/strong\u003e\u003cbr\u003eDirectly, the module supports 1–5 V DC signals. To connect 4–20 mA devices, a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e250 Ω precision shunt resistor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emust be installed at the terminal board to convert the current signal into a 1–5 V DC input.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the S2 revision compatible with older S1 installations?\u003c\/strong\u003e\u003cbr\u003eYes. Style S2 maintains backward compatibility in form factor and electrical characteristics while offering improved component longevity and lifecycle reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is channel direction (Input\/Output) configured?\u003c\/strong\u003e\u003cbr\u003eChannel direction is defined within the CENTUM VP Engineering Station during the I\/O Builder configuration process. No hardware jumpers are required, allowing full software-based flexibility.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51818389602616,"sku":"AAB841-S50 S2","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAB841-S50_S21.jpg?v=1771898191","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-aab841-s50-s2-analog-i-o-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}