{"product_id":"yokogawa-aai835-s00-k4a00-analog-current-i-o-module","title":"Yokogawa AAI835-S00\/K4A00 Analog Current I\/O Module","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI835 (P\/N: AAI835-S00\/K4A00)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a standard analog I\/O module for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edistributed control system. As the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS-suffix (Standard) variant\u003c\/strong\u003e, it is designed for reliable\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA analog signal processing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhere HART digital communication is not required.\u003c\/p\u003e\n\u003cp\u003eThis configuration integrates\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efour analog input channels and four analog output channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin a compact module. Each channel is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egalvanically isolated\u003c\/strong\u003e, ensuring stable operation and protection against ground loops in electrically noisy industrial environments.\u003cbr\u003eThe included\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eATK4A-00 KS cable interface adapter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenables direct connection to KS cable assemblies, reducing cabinet wiring effort and improving installation reliability.\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\u003eItem\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\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e4 × analog input + 4 × analog output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC (input and output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and channel-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e500 V AC for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance (Power ON)\u003c\/td\u003e\n\u003ctd\u003e290 Ω @ 20 mA\u003cbr\u003e450 Ω @ 4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance (Power OFF)\u003c\/td\u003e\n\u003ctd\u003e≥ 500 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Accuracy\u003c\/td\u003e\n\u003ctd\u003e±16 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Accuracy\u003c\/td\u003e\n\u003ctd\u003e±48 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current\u003c\/td\u003e\n\u003ctd\u003e25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eKS cable interface adapter (ATK4A-00)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Type\u003c\/td\u003e\n\u003ctd\u003eBasic type (non-explosion protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\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 Use Cases\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI835-S00\/K4A00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly used in standard process control loops involving\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efield transmitters\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(e.g., pressure, flow, or level) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efinal control elements\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(e.g., I\/P converters or control valves).\u003cbr\u003eIt is well suited for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecost-effective installations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat do not require HART communication but still demand Yokogawa’s proven isolation, stability, and long-term reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main difference between the S-suffix and H-suffix versions?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS-suffix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion supports pure analog 4–20 mA signals only. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eH-suffix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion adds hardware for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART digital communication\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be hot-swapped in a live CENTUM VP system?\u003c\/strong\u003e\u003cbr\u003eYes. CENTUM VP I\/O modules support\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eonline replacement\u003c\/strong\u003e, provided system configuration and redundancy rules are properly followed.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51671973134648,"sku":"AAI835-S00\/K4A00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAI835-S00K4A00.jpg?v=1769651685","url":"https:\/\/www.automodulexpert.com\/bg\/products\/yokogawa-aai835-s00-k4a00-analog-current-i-o-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}