{"product_id":"yokogawa-aab841-s50-output-module","title":"Yokogawa AAB841-S50 Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AAB841-S50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAB841\u003c\/strong\u003e Analog Input\/Output Module, operates as a high-density processing unit for industrial automation systems. It features 8 input and 8 output channels, combining high-resolution signal conditioning and real-time process monitoring into a single space-saving hardware assembly.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAAB841-S50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Input \/ Output Module (Combined)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e8 input channels \/ 8 output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003eNon-isolated common-ground architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003e1 to 5 V DC voltage signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Type\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA active current loops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessing Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.2% of full-scale value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConverter Resolution\u003c\/td\u003e\n\u003ctd\u003e16-bit analog-to-digital (A\/D) and digital-to-analog (D\/A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Response Time\u003c\/td\u003e\n\u003ctd\u003eLess than 50 ms loop updates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C (-4 to +158 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C (-40 to +185 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Boundary\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eReal-Time Signal Processing and Controller Architecture\u003c\/h3\u003e\n\u003cp\u003eThe AAB841-S50 employs a 16-bit conversion engine to maintain stable, real-time process data acquisition and control command distribution. Raw 1 to 5 V signals arriving at the input terminals are digitized concurrently by the hardware within a 50-millisecond window, translating field variables immediately into system registers.\u003c\/p\u003e\n\u003cp\u003eOn the output side, the digital control commands are smoothly converted into active 4 to 20 mA current loops to drive final control elements, such as modulating valves and variable speed motor controllers. Because this module utilizes a non-isolated architecture, all 16 channels share a common internal ground plane. This design yields ultra-fast bus communication velocities and exceptionally stable signal processing accuracy across uniform, noise-shielded instrumentation loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What grounding precautions must be taken due to the non-isolated channel design of the AAB841-S50?\u003c\/p\u003e\n\u003cp\u003eA: Because the 8 input and 8 output channels share a common reference ground, all connected field transmitters, instruments, and control actuators should ideally be powered from the same potential loop or feature local galvanic isolation. This practice prevents structural ground-loop currents from circulating through the module and distorting the +\/-0.2% processing accuracy.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module directly process 4 to 20 mA inputs instead of the rated 1 to 5 V voltage range?\u003c\/p\u003e\n\u003cp\u003eA: The input channels are hardware-designed to measure a 1 to 5 V DC signal. To interface a standard 4 to 20 mA current-loop transmitter with this module, a precise, high-stability 250-ohm shunt resistor must be installed across the input terminal pairs to convert the current loop into the required 1 to 5 V drop.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":47613916709054,"sku":"AAB841-S50","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-14_09-48-24_54b20c2a-ecc5-4b6e-b683-5a484f1241b5.png?v=1780887365","url":"https:\/\/www.autooiltech.com\/ar\/products\/yokogawa-aab841-s50-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}