{"product_id":"nfai543-h00-isolated-analog-current-output-module-hart-capable","title":"NFAI543-H00 Isolated Analog Current Output Module | HART Capable","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa NFAI543-H00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-density, 16-channel analog current output interface for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDistributed Control System (DCS). This module executes precise control over field actuators, control valves, and variable speed drives by converting internal digital logic into independent 4-20 mA analog signals. Engineered for the most demanding process environments, the NFAI543-H00 integrates HART pass-through capabilities, allowing operators to manage smart field devices directly through the DCS layer while maintaining robust galvanic isolation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eCondition Statement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe supply the NFAI543-H00 in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New, Factory Sealed Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, ensuring full hardware revision compatibility and factory-certified performance for mission-critical automation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003ePart Number Breakdown: NFAI543 Series\u003c\/h3\u003e\n\u003cp\u003eYokogawa utilizes a specific alphanumeric code to designate functionality and hardware standards:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCode Component\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDefinition\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNFAI543\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIsolated Analog Current Output Module (16-channel, 4-20 mA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-H\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHART Communication Support (digital data overlay)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard functional type\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBasic hardware revision for universal FIO nest compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe NFAI543-H00 provides laboratory-grade conversion accuracy and heavy-duty industrial protection.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 (Individually Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Signal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 20 mA DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±0.3% of Full Scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllowable Load Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 750 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWithstanding Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1500 V AC (Output-to-System, 1 minute)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Refresh Cycle\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Step Response\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCircuit-Open Detection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTriggered at ≤ 0.65 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e130 × 107.5 × 32.8 mm (Standard FIO Size)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe NFAI543-H00 resolves complex integration and safety challenges in large-scale plant environments:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Control Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy managing 16 independent loops in a single slot, the module significantly reduces the hardware footprint. This allows engineers to design smaller control cabinets and lowers the overall cost per I\/O point in complex valve manifold applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Galvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA 1500 V AC withstand voltage protects the system bus from field-side electrical surges. This barrier effectively blocks ground loop currents and transients common in power plants and refineries, preventing damage to the central processor and maintaining system uptime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntelligent Safety Fallback:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUpon loss of communication with the controller, the NFAI543-H00 automatically executes user-defined fallback values for every channel. This forces critical valves into a pre-determined \"safe\" position (Open, Closed, or Hold), preventing process excursions during network disruptions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Loop Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module continuously scans the integrity of the 4-20 mA loop. It identifies open circuits (≤ 0.65 mA) in real-time and alerts the operator station, enabling immediate maintenance without the need for manual loop testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the NFAI543-H00 support HART asset management?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The \"-H\" designation confirms full HART pass-through support. This enables plant asset management software (such as PRM) to configure, calibrate, and monitor smart positioners through the existing 4-20 mA field wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs it possible to replace this module while the DCS is running?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports hot-swapping within a live CENTUM VP system. In a redundant configuration, you can replace a faulty NFAI543-H00 module without interrupting the control signals or the operation of other modules in the same FIO nest.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the NFAI543-H00 drive long-distance cable runs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith a maximum allowable load resistance of 750 Ω, this module easily drives long cable lengths even when using high-impedance smart actuators and positioners common in sprawling petrochemical facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module for 0-10V voltage output devices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This is a dedicated current output module. To drive voltage-controlled devices, you must use an external current-to-voltage converter or select a module from the NFAV series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43158188785754,"sku":"NFAI543-H00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/182_ea802e5c-deb4-4e5f-af5a-1939a7a91066.jpg?v=1774935451","url":"https:\/\/www.spareoil.com\/products\/nfai543-h00-isolated-analog-current-output-module-hart-capable","provider":"SpareOil Automation","version":"1.0","type":"link"}