{"product_id":"yokogawa-nfai543-h00-isolated-current-output-module","title":"Yokogawa NFAI543-H00 Isolated Current Output Module","description":"\u003ch2\u003eYokogawa NFAI543-H00 Isolated Current Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa NFAI543-H00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNFAI543-H00\u003c\/strong\u003e Analog Input\/Output Module, operates as a dedicated hardware component for 4-20 mA analog signal transmission within CENTUM VP and CENTUM CS 3000 DCS platforms.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Brand\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\u003eStandard 19-inch rack module (approx. 160 mm x 40 mm x 120 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC, 540 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Output Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\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\u003eCircuit-Open Detection\u003c\/td\u003e\n\u003ctd\u003e≤ 0.65 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.3% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Refresh Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Step Response Time\u003c\/td\u003e\n\u003ctd\u003e100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Fallback\u003c\/td\u003e\n\u003ctd\u003eConfigurable per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003eMax ±0.01%\/degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current\u003c\/td\u003e\n\u003ctd\u003e230 mA (5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Connection\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal, MIL connector cable\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\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V AC between output and system for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Signal Integrity Features\u003c\/h3\u003e\n\u003cp\u003eThe NFAI543-H00 implements \u003cstrong\u003echannel-to-channel isolation\u003c\/strong\u003e to prevent signal interference across analog loops. The module supports \u003cstrong\u003e4-20 mA HART loop communication\u003c\/strong\u003e, enabling simultaneous digital diagnostics alongside analog control signals. Cold junction compensation (CJC) circuits ensure accurate temperature-sensitive measurements when interfacing with transmitters or sensors.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: VnA: Can the module be hot-swapped without system downtime?\u003cbr\u003eA: Yes, the NFAI543-H00 supports online removal and insertion provided the I\/O node permits isolation, ensuring other channels remain operational.\u003c\/p\u003e\n\u003cp\u003eQ: VnA: What is the maximum permissible load for each output channel?\u003cbr\u003eA: Each 4-20 mA output supports a load resistance of 0 to 750 Ohm without affecting accuracy or response time.\u003c\/p\u003e\n\u003cp\u003eQ: VnA: How is fault detection handled?\u003cbr\u003eA: Circuit-open detection triggers at ≤ 0.65 mA, allowing the control system to recognize open loops and execute the configured fallback signal.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure proper grounding of the I\/O node rack to prevent noise coupling.\u003c\/li\u003e\n\u003cli\u003eConnect all 4-20 mA outputs using shielded twisted-pair cables to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eAvoid routing high-power AC lines parallel to analog signal wiring to reduce EMI.\u003c\/li\u003e\n\u003cli\u003eVerify module seating and MIL connector torque before energizing the system.\u003c\/li\u003e\n\u003cli\u003eFollow local industrial standards for DIN rail mounting or rack fixation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44182221881432,"sku":"NFAI543-H00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/NFAI543-H00-3.jpg?v=1780544347","url":"https:\/\/www.industriaxplc.com\/ar\/products\/yokogawa-nfai543-h00-isolated-current-output-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}