{"product_id":"yokogawa-nfai543-s00-s1-nfai543-isolated-analog-output-card","title":"Yokogawa NFAI543-S00 S1 NFAI543 Isolated Analog Output Card","description":"\u003ch2\u003eYokogawa NFAI543-S00 S1 Analog Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa NFAI543-S00 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNFAI543\u003c\/strong\u003e Analog Output Module, operates as a dedicated hardware component for converting controller digital commands into analog field current signals within Yokogawa DCS platforms. The module drives field actuators, control valves, and positioners by sourcing regulated 4 to 20 mA or 0 to 20 mA currents across multiple isolated channels. Integrated circuit-open detection continuously checks field loop integrity to capture open-circuit faults during active operation.\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\u003eSuffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e-S\u003c\/td\u003e\n\u003ctd\u003eStandard Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eBasic Type with no explosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS1\u003c\/td\u003e\n\u003ctd\u003eStyle 1 hardware revision\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\u003eNFAI543-S00 S1\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 (Shipping weight: 1.0 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 mm x 107.5 mm x 32.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA \/ 0 to 20 mA (configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4 \/ 16 channel options (configuration dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Load Resistance\u003c\/td\u003e\n\u003ctd\u003e0 to 750 ohm (4-20 mA mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy \/ Resolution\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% to +\/-0.3% of span; 16-bit resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003eLE 10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Withstanding\u003c\/td\u003e\n\u003ctd\u003e1500 VAC for 1 minute between output and system logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Detection\u003c\/td\u003e\n\u003ctd\u003eCircuit-open detection at LE 0.65 mA\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 NFAI543-S00 S1 module routes analog control signals to smart valve positioners using the 4-20 mA HART loop protocol. Galvanic and channel-to-channel isolation networks prevent field ground loops from feeding noise back into the main backplane bus or impacting adjacent signal channels. This isolation maintains accurate output tracking during transient electrical disturbances across field wiring loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What fault condition triggers the circuit-open detection on the NFAI543-S00 S1?\u003c\/p\u003e\n\u003cp\u003eA: The module identifies a field loop wire break or high-impedance fault when loop current drops to 0.65 mA or less.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module react to primary communication or system backplane failures?\u003c\/p\u003e\n\u003cp\u003eA: The hardware supports configurable output fallback settings, holding outputs at pre-designated safe states or last valid values to protect connected field devices.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the NFAI543-S00 S1 directly into an assigned I\/O slot on the CENTUM VP \/ FIO base unit chassis. Ensure the backplane connector engages smoothly with the rack receiver before tightening retaining screws.\u003c\/p\u003e\n\u003cp\u003eRoute field wiring through twisted-pair shielded cables to terminal blocks. Connect cable shields to a single-point cabinet earth ground terminal to suppress electromagnetic interference. Verify that field loop load resistances remain below 750 ohm to preserve 4-20 mA current drive capability.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43831928520794,"sku":"NFAI543-S00 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/560.1_43eebef7-2893-43d2-b646-d0d523b7dead.jpg?v=1786499990","url":"https:\/\/www.spareoil.com\/products\/yokogawa-nfai543-s00-s1-nfai543-isolated-analog-output-card","provider":"SpareOil Automation","version":"1.0","type":"link"}