{"product_id":"aai143-h00-yokogawa-centum-vp-16-channel-4-20-ma-analog-input-module","title":"AAI143-H00 YOKOGAWA CENTUM VP 16-Channel 4-20 mA Analog Input Module","description":"\u003ch2\u003eYOKOGAWA AAI143-H00 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density 4-20 mA current loop acquisition in CENTUM VP FIO subsystems, the \u003cstrong\u003eYOKOGAWA AAI143-H00\u003c\/strong\u003e (\u003cstrong\u003eAAI143\u003c\/strong\u003e Analog Input Module) provides direct physical and electrical execution for field transmitter signal monitoring.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAAI143\u003c\/td\u003e\n\u003ctd\u003eBase 16-channel Analog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-H00\u003c\/td\u003e\n\u003ctd\u003eStandard Hardware Revision (H-suffix)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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-H00\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\u003e0.65kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 mm x 132.5 mm x 3U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control Integration\u003c\/h3\u003e\n\u003cp\u003eThe AAI143-H00 facilitates precise process variable monitoring by utilizing the 4-20 mA HART loop protocol to acquire data from intelligent field instrumentation. To maintain signal fidelity in high-noise industrial environments, the module features channel-to-channel isolation, which suppresses common-mode interference and prevents ground loops that would otherwise introduce measurement errors. The unit digitizes 4-20 mA signals via a high-speed 16-bit A\/D converter, ensuring data stability for control loops. In redundant configurations, two AAI143 modules operate in parallel to provide fault-tolerant signal acquisition, allowing the Field Control Station (FCS) to detect and manage sensor faults without disrupting plant operations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AAI143-H00 provide power to the 2-wire field transmitters?\u003c\/p\u003e\n\u003cp\u003eA: The module is designed for signal acquisition. While it interfaces with 4-20 mA loops, loop power must be provided by an external 24 VDC power supply or a dedicated field power distribution rail, unless specified otherwise by the FIO node backplane configuration.\u003c\/p\u003e\n\u003cp\u003eQ: Can the module be configured for voltage inputs?\u003c\/p\u003e\n\u003cp\u003eA: No. The AAI143-H00 is strictly dedicated to DC current (4-20 mA) inputs. Interfacing voltage signals would require an analog voltage input module (such as the AAV141 series).\u003c\/p\u003e\n\u003cp\u003eQ: How is the channel isolation maintained during a fault condition?\u003c\/p\u003e\n\u003cp\u003eA: The module architecture employs galvanic isolation barriers on each channel. If an overcurrent or short-circuit event occurs on one input loop, the isolation barrier prevents the fault from propagating to the system bus or affecting adjacent channels.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the I\/O node and verify the bus is inactive before seating the module in the 3U rack backplane.\u003c\/li\u003e\n\u003cli\u003eTerminate field signal wiring using shielded twisted-pair cables; ensure shields are connected to the designated ground bus to optimize noise rejection.\u003c\/li\u003e\n\u003cli\u003eVerify terminal tightness to avoid resistance-induced measurement drift, which can compromise the ±0.1% FS accuracy.\u003c\/li\u003e\n\u003cli\u003ePerform an initial signal verification by injecting a 4-20 mA reference signal into the loop to confirm accuracy at the engineering station.\u003c\/li\u003e\n\u003cli\u003eConfirm that the module is properly locked into the rack to ensure reliable contact with the backplane bus connectors.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43572352614490,"sku":"AAI143-H00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/175_dcbb66fb-8490-445a-b482-d05bacd4bec7.jpg?v=1782786868","url":"https:\/\/www.spareoil.com\/products\/aai143-h00-yokogawa-centum-vp-16-channel-4-20-ma-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}