{"product_id":"yokogawa-aai143-s03-centum-vp-analog-input-module","title":"Yokogawa AAI143-S03 CENTUM VP Analog Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI143-S03\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAI143\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for multi-channel analog signal acquisition within Yokogawa CENTUM VP DCS platforms. It conditions and digitizes 4 to 20 mA DC or 1 to 5 V DC process signals from 2-wire and 4-wire field transmitters, routing converted digital data across the system bus for real-time process monitoring.\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\u003eAAI143-S03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg (0.66 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e100 mm x 80 mm x 35 mm\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard system rack power bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC \/ 1 to 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e-10 to 130 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Time\u003c\/td\u003e\n\u003ctd\u003e2 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART Communication\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot-Swappable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe AAI143-S03 supports bidirectional 4-20 mA HART loop protocol transmission superimposed over traditional analog measurement signals. Integrated digital-to-analog and analog-to-digital processing paths maintain 0.1% conversion accuracy with a 2 ms update interval per scan cycle. Channel isolation circuits prevent ground potential differences and transient noise from affecting adjacent channel signals or contaminating the internal controller backplane.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the AAI143-S03 module be replaced while the Yokogawa CENTUM VP rack remains powered?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module features online hot-swappable capability, allowing physical removal and insertion without interrupting system rack power or adjacent channel operations.\u003c\/p\u003e\n\u003cp\u003eQ: What transmitter field loop wiring configurations are supported by the AAI143-S03?\u003c\/p\u003e\n\u003cp\u003eA: The module accommodates both 2-wire (loop-powered) and 4-wire (externally powered) transmitter inputs for 4-20 mA DC or 1-5 V DC signaling.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle HART communication data?\u003c\/p\u003e\n\u003cp\u003eA: HART digital FSK signals are frequency-pass filtered across the analog input loop, allowing HART diagnostics and device configuration signals to pass concurrently with the 4-20 mA primary variable.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Insertion:\u003c\/strong\u003e Align the AAI143-S03 module with the guide rails of the designated CENTUM VP node slot and slide firmly until the backplane connector locks in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Cable Shielding:\u003c\/strong\u003e Terminate signal wire shields to the field terminal block shield ground bar at one point only to avoid earth current loops across analog measuring circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Wiring Separation:\u003c\/strong\u003e Keep 4-20 mA DC field signal wiring isolated from high-voltage power lines and heavy inductive switching equipment to preserve 0.1% conversion accuracy.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52677959352600,"sku":"AAI143-S03","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/AAI141-H50_Cocoai_9485d8c3-b6f7-41d5-9af6-cb46969ed5d4.jpg?v=1789374010","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-aai143-s03-centum-vp-analog-input-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}