{"product_id":"nfai835-s51-yokogawa-analog-i-o-module-centum-vp-genuine","title":"NFAI835-S51 Yokogawa Analog I\/O Module Centum VP | Genuine","description":"\u003ch3\u003e\u003cstrong\u003eSystem Engineering Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0085ad;\"\u003eNFAI835-S51\u003c\/span\u003e\u003c\/strong\u003e is a high-density, hybrid analog I\/O unit for \u003cstrong\u003eYokogawa Centum VP\u003c\/strong\u003e systems.\u003c\/li\u003e\n    \u003cli\u003eIt integrates 4-channel 4-20 mA input and 4-channel 4-20 mA output into a single module.\u003c\/li\u003e\n    \u003cli\u003eFeatures 500V AC galvanic isolation between channels to prevent ground loop interference.\u003c\/li\u003e\n    \u003cli\u003eEquipped with a 40-pin MIL connector for robust industrial interfacing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specification Matrix\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Yokogawa\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0085ad;\"\u003eNFAI835-S51\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eI\/O Count:\u003c\/strong\u003e 4 Inputs \/ 4 Outputs\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSignal Range:\u003c\/strong\u003e 4 to 20 mA DC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHART Support:\u003c\/strong\u003e Yes (Smart Device Diagnostics)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e Input ±0.1% \/ Output ±0.3%\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eData Refresh:\u003c\/strong\u003e 10 ms cycle\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e -20°C Rated (Wide Temperature Range)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0085ad;\"\u003eNFAI835-S51\u003c\/span\u003e\u003c\/strong\u003e is an essential spare for space-constrained DCS nodes.\u003c\/li\u003e\n    \u003cli\u003eIts combined I\/O design lowers the cost-per-loop while maintaining Yokogawa's signature industrial reliability.\u003c\/li\u003e\n    \u003cli\u003eHART pass-through capability allows for advanced field device management without hardware upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eDiagnostic Capabilities \u0026amp; Application Scope\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutput Fallback:\u003c\/strong\u003e Per-channel safety settings ensure valves or actuators move to a safe state during loss of signal.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSmart Monitoring:\u003c\/strong\u003e Integrated HART diagnostics provide visibility into field device health and secondary variables.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSuitable Equipment:\u003c\/strong\u003e Centum VP\/CS 3000 systems, flow transmitters, and modulating control valves.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eScenarios:\u003c\/strong\u003e Ideal for water treatment plants, petrochemical refining, and remote RTU applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommercial \u0026amp; Logistics Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDispatch:\u003c\/strong\u003e Global shipping within 24-48 hours.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShipping Partners:\u003c\/strong\u003e Priority express via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Includes a comprehensive 12-month industrial guarantee.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% Genuine Yokogawa hardware in original factory packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProfessional FAQ \u0026amp; Selection Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eDoes it support 2-wire and 4-wire field devices?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eYes, the \u003cstrong\u003eNFAI835-S51\u003c\/strong\u003e can be configured per channel to supply power to 2-wire transmitters or receive signals from 4-wire sources.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eWhy is channel-to-channel isolation important?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eIt ensures that a fault or short circuit on one field device does not affect the signals of the other seven channels.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eCan I use this for high-speed control loops?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eWith a 10ms refresh cycle and 100ms step response, it is highly suitable for most industrial PID control applications.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eWhat is the maximum current limit for the transmitter power supply?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eThe module features an integrated limit of 25 mA per channel to protect the electronics from overcurrent.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIs this module rated for cold weather?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eYes, the S51 variant is rated for temperatures as low as -20°C, perfect for field-mounted enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45014046015670,"sku":"NFAI835-S51","price":187.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/NFAI835-S51_4d377bfa-b352-443b-b3a2-d5cf7c5de330.jpg?v=1777023112","url":"https:\/\/www.plcsparehub.com\/products\/nfai835-s51-yokogawa-analog-i-o-module-centum-vp-genuine","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}