{"product_id":"aai143-h50-k4a00-yokogawa-16-channel-analog-input-module","title":"AAI143-H50\/K4A00 Yokogawa 16-Channel Analog Input Module","description":"\u003ch2\u003eYokogawa AAI143 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-accuracy signal acquisition in CENTUM VP platforms, the \u003cstrong\u003eYokogawa AAI143-H50\/K4A00\u003c\/strong\u003e (\u003cstrong\u003eAAI143\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\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 (AAI143-H50\/K4A00)\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\u003e0.40 kg (Net) \/ 3.0 kg (Shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e30 x 120 x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e600 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 ohm typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptical and electrical isolation per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Protection\u003c\/td\u003e\n\u003ctd\u003eConformal coating for harsh environments\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-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module processes 16 channels of 4-20 mA DC analog current signals with integrated digital communication via the HART protocol. Dedicated optical and electrical channel isolation blocks ground loop currents, suppressing electromagnetic interference across field instrumentation loops. Internal 16-bit analog-to-digital conversion digitizes process variables at update response times under 100 ms, while individual channel diagnostic routines continuously verify loop status and report field wiring abnormalities to the host control system.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the function of the \/K4A00 option code on the AAI143 module?\u003c\/p\u003e\n\u003cp\u003eA: The \/K4A00 option designates a KS Cable Interface Adapter mounted on the module to facilitate direct connection to an ATK4A-00 \/ AEA4D terminal board using standard system interface cabling.\u003c\/p\u003e\n\u003cp\u003eQ: How does the HART digital communication function operate alongside the 4-20 mA current loop?\u003c\/p\u003e\n\u003cp\u003eA: The -H50 suffix enables HART digital communication signals to superimpose directly onto the 4-20 mA analog current loop, allowing digital transmitter parameters and diagnostic data to pass through without interrupting analog signal accuracy.\u003c\/p\u003e\n\u003cp\u003eQ: Can the AAI143 module be inserted or removed while backplane power is applied?\u003c\/p\u003e\n\u003cp\u003eA: Live maintenance and hot-swapping are supported on compatible CENTUM VP baseplates, allowing technicians to replace faulty I\/O modules without interrupting power or communication on adjacent slot locations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the module firmly into its assigned slot on the CENTUM VP rack frame, ensuring the top and bottom latching mechanisms seat securely onto the backplane connector. Maintain cabinet operating ambient temperatures strictly within the -20 to +55 deg C range, avoiding environments exceeding 95% non-condensing relative humidity.\u003c\/p\u003e\n\u003cp\u003eRoute all 4-20 mA HART signal field wiring away from high-voltage AC lines and variable frequency drives to prevent electromagnetic noise coupling. Connect field wiring through the KS cable adapter to the corresponding terminal board, grounding overall cable shields at a single cabinet earth point to preserve 16-bit analog signal resolution across all 16 input channels.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43866007011418,"sku":"NFAI143-H50\/A4AS0","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/666._8e37b515-159b-437f-8428-fe70ee40cf9c.jpg?v=1787110042","url":"https:\/\/www.spareoil.com\/products\/aai143-h50-k4a00-yokogawa-16-channel-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}