{"product_id":"aab841-s50-yokogawa-analog-i-o-module","title":"AAB841-S50 Yokogawa Analog I\/O Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAB841-S50 (AAB841)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance combined analog input\/output module for the Yokogawa Electric Corporation\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edistributed control system. This dual-function module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 channels of differential voltage input\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 channels of current output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein a single footprint, making it ideal for compact control loops and HART-enabled field instrument integration.\u003c\/p\u003e\n\u003cp\u003eThe module supports bidirectional digital overlay on analog signals, enabling remote configuration, calibration, and diagnostics for HART-enabled transmitters and valve positioners. Its differential input architecture is optimized for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1–5 V DC signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith high impedance to maintain signal integrity. With a rapid\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10 ms data update cycle\u003c\/strong\u003e, it is suitable for dynamic process control applications requiring fast, accurate responses.\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\u003eI\/O Configuration\u003c\/td\u003e\n\u003ctd\u003e8-Channel Input \/ 8-Channel Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003e1–5 V DC (Non-isolated differential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Type\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART Communication\u003c\/td\u003e\n\u003ctd\u003eSupported on input and output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance (Power ON)\u003c\/td\u003e\n\u003ctd\u003e≥ 1 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance (Power OFF)\u003c\/td\u003e\n\u003ctd\u003e≥ 340 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Accuracy\u003c\/td\u003e\n\u003ctd\u003eInput ±4 mV \/ Output ±48 μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Common Mode Voltage\u003c\/td\u003e\n\u003ctd\u003e±1 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003e±0.1% per 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current Draw\u003c\/td\u003e\n\u003ctd\u003e310 mA (5 V DC) \/ 250 mA (24 V DC)\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\u003ch3\u003eSystem Integration and Safety\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCommonly used in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esecondary control loops\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand monitoring stations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enot provide internal transmitter power\u003c\/strong\u003e; field devices must be powered via external 24 V sources or dedicated power modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports integration with HART-enabled instruments for remote monitoring and configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the AAB841-S50 provide loop power to field transmitters?\u003c\/strong\u003e\u003cbr\u003eNo. The module requires external power sources for the 1–5 V input signals or a separate power distribution module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of the differential input on this module?\u003c\/strong\u003e\u003cbr\u003eDifferential inputs improve measurement reliability by minimizing the effects of small ground potential differences between field devices and the DCS rack, as long as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecommon mode voltage\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estays within ±1 V.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48746797990140,"sku":"AAB841-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/AAB841-S50.jpg?v=1771058479","url":"https:\/\/www.electronicplc.com\/products\/aab841-s50-yokogawa-analog-i-o-module","provider":"Electronic PLC","version":"1.0","type":"link"}