{"product_id":"aai543-h00-yokogawa-centum-vp-16-channel-hart-analog-output","title":"AAI543-H00 Yokogawa CENTUM VP 16-Channel HART Analog Output","description":"\u003ch2\u003eYokogawa AAI543-H00 CENTUM VP Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI543-H00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAI543\u003c\/strong\u003e Isolated Analog Output Module, operates as a dedicated hardware component for driving final control elements within CENTUM VP and CS 3000 Field Control Stations (FCS).\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\u003eAAI543-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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eTechnical data not specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e230 mA (5 V DC), 540 mA (24 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16, fully isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Communication\u003c\/td\u003e\n\u003ctd\u003eHART Protocol (Digital data superimposed on 4-20 mA loop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Period\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Load Resistance\u003c\/td\u003e\n\u003ctd\u003e0 to 750 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-48 uA (+\/-0.3% of full scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Isolation\u003c\/td\u003e\n\u003ctd\u003e1500 V AC between output and system (1 minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Detection\u003c\/td\u003e\n\u003ctd\u003eOpen-circuit detection (Triggered \u0026lt; 0.65 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eSupports dual-redundant (duplex) configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Block Compatibility\u003c\/td\u003e\n\u003ctd\u003eA4D00 (Dual pressure clamp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Properties\u003c\/h3\u003e\n\u003cp\u003eOperating within the Yokogawa Field I\/O (FIO) subsystem, this execution unit incorporates an integrated 4-20 mA HART loop protocol layer, which superimposes digital telemetry over the physical loop infrastructure. The hardware provides a 1500 V AC isolation boundary between the individual analog circuits and the internal system backplane logic to arrest field-side electrical transients. Channel-to-channel isolation parameters minimize current leakage across the 16 paths, supporting stable 10 ms logic execution cycles for continuous modulation of control valve actuators and variable speed drives.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the AAI543-H00 report a physical wire break or a disconnected field actuator?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates automatic onboard diagnostic circuits that execute real-time loop checks. If the loop current drops below the 0.65 mA threshold, the module flags an open-circuit fault register and communicates the event over the FIO bus to the processor.\u003c\/p\u003e\n\u003cp\u003eQ: What is the benefit of the dual-redundant (duplex) configuration for this module?\u003c\/p\u003e\n\u003cp\u003eA: When fitted into a duplex I\/O slot arrangement, the primary and backup modules synchronize output tracking states. A failure on the primary card initiates an immediate bumpless transfer to the spare, maintaining the 4-20 mA loop current without destabilizing the final control element.\u003c\/p\u003e\n\u003cp\u003eQ: Can the module drive an instrument loop that has a high input impedance?\u003c\/p\u003e\n\u003cp\u003eA: The circuit output stage is rated to handle an allowable loop load resistance from 0 up to 750 ohm, which accommodates typical field cabling distances and standard actuator impedance profiles.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the AAI543-H00 module securely into its designated position on the FIO rack interface chassis, verifying that the rear alignment connectors engage cleanly. Wire the 16 output loops to the compatible A4D00 dual pressure clamp terminal block using dedicated shielded twisted-pair cables. Ground all individual cable shield drains at a single point on the enclosure instrument ground bus bar to optimize the 1500 V AC galvanic isolation and prevent electrical noise from corrupting the digital HART telemetry packets. Separate all low-voltage 4-20 mA signal runs from high-current AC electrical conductors inside the cabinet routing channels to avoid inductive cross-talk.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42870834233434,"sku":"AAI543-H00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/127._362b32ab-df54-4f73-9fe5-8b9719f094db.jpg?v=1772586437","url":"https:\/\/www.spareoil.com\/products\/aai543-h00-yokogawa-centum-vp-16-channel-hart-analog-output","provider":"SpareOil Automation","version":"1.0","type":"link"}