{"product_id":"aai135-h50-k4a00-yokogawa-centum-vp-hart-analog-input-module","title":"AAI135-H50\/K4A00 Yokogawa CENTUM VP HART Analog Input Module","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI135-H50\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM control system\u003c\/strong\u003e, designed to process\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA DC signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacross\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eeight fully isolated channels\u003c\/strong\u003e. Each channel is point-to-point isolated, preventing ground loops, noise coupling, or fault propagation between field circuits and the system backplane.\u003c\/p\u003e\n\u003cp\u003eThe module supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART digital communication\u003c\/strong\u003e, enabling remote configuration, diagnostics, and device management directly from the DCS. When combined with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eATK4A-00 interface adapter\u003c\/strong\u003e, field wiring is simplified through a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKS cable connection\u003c\/strong\u003e, significantly improving cabinet organization and installation efficiency.\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\u003eAAI135-H50\/K4A00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Type\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\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 channels, fully isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocol Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 V AC (channel-to-channel, input-to-system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±16 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Resistance (Power ON)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e290 Ω @ 20 mA \/ 450 Ω @ 4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Resistance (Power OFF)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 500 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKS Cable via ATK4A-00 interface adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard (non-explosion-proof)\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\u003eAAI135-H50\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis well suited for applications requiring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh channel isolation and signal reliability\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eChemical and petrochemical processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater and wastewater treatment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUtilities and infrastructure systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART capability\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emakes it ideal for plants using smart transmitters and predictive maintenance strategies.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the AAI135-H50\/K4A00 require a specific baseplate?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed for Yokogawa standard I\/O unit baseplates and uses the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eK4A00 adapter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor KS cable connectivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of full channel isolation?\u003c\/strong\u003e\u003cbr\u003eIsolation protects against common-mode voltages and ensures that a short circuit, surge, or wiring fault on one transmitter does\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enot affect the remaining seven channels\u003c\/strong\u003e.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51676589785400,"sku":"AAI135-H50\/K4A00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAI135-H5013S001.jpg?v=1769478347","url":"https:\/\/www.automodulexpert.com\/fa\/products\/aai135-h50-k4a00-yokogawa-centum-vp-hart-analog-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}