{"product_id":"hart-analog-i-o-module-yokogawa-centum-vp-aai835-h50-k4a00","title":"HART Analog I\/O Module Yokogawa CENTUM VP AAI835-H50\/K4A00","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI835-H50\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehybrid analog I\/O module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP and CS 3000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrol systems. It combines\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efour analog input channels and four analog output channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein a single module, all supporting\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith full\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epoint-to-point isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure stable and interference-free operation.\u003c\/p\u003e\n\u003cp\u003eThe module features built-in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART communication\u003c\/strong\u003e, enabling bidirectional digital data exchange with smart field devices for diagnostics, parameter access, and secondary variable monitoring. Supplied with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eATK4A-00 interface adapter\u003c\/strong\u003e, the AAI835-H50\/K4A00 uses a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKS cable connection\u003c\/strong\u003e, simplifying wiring and improving cabinet density and maintainability.\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\u003eAAI835-H50\/K4A00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCombined Analog 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\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 (input \u0026amp; output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 V AC (channel-to-channel, channel-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\u003eInput ±16 µA \/ Output ±48 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance (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 Impedance (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 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\u003eBasic type, non-explosion protected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 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\u003eAAI835-H50\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for applications where\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eboth measurement and control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare required within a compact footprint, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSkid-mounted process systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLocal pump and valve control stations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuxiliary control panels with limited I\/O space\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts hybrid design reduces module count while preserving\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART-level visibility\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor diagnostics and maintenance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the AAI835-H50\/K4A00 handle high-voltage signals?\u003c\/strong\u003e\u003cbr\u003eNo. The module is strictly designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA current loops\u003c\/strong\u003e. Channel voltage must remain within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e500 V AC isolation rating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the ATK4A-00 support redundant KS cabling?\u003c\/strong\u003e\u003cbr\u003eNo. The ATK4A-00 provides a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esingle KS cable interface\u003c\/strong\u003e. Redundant configurations require compatible baseplates and module arrangements verified at the system level.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51676590899512,"sku":"AAI835-H50\/K4A00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAI835-H50K4A00.jpg?v=1769738626","url":"https:\/\/www.automodulexpert.com\/tr\/products\/hart-analog-i-o-module-yokogawa-centum-vp-aai835-h50-k4a00","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}