{"product_id":"nfai143-h50-s1-analog-input-module-yokogawa","title":"NFAI143-H50 S1 Analog Input Module Yokogawa","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa NFAI143-H50 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNFAI143\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for multi-channel process variable acquisition within STARDOM control system architectures.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNFAI143\u003c\/strong\u003e: Base model series for 16-channel isolated analog input modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH50\u003c\/strong\u003e: Denotes hardware revision and interface connector configuration for system base plate mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS1\u003c\/strong\u003e: Indicates the standard revision level for firmware and I\/O signal processing logic.\u003c\/li\u003e\n\u003c\/ul\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\u003eNFAI143-H50 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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard STARDOM I\/O Module Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C 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 VDC) \/ 540 mA (24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e100 ms (input step response)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Signal Isolation Integrity\u003c\/h3\u003e\n\u003cp\u003eThe NFAI143-H50 S1 is engineered to maintain high-precision measurement for 4-20 mA HART loop protocol transmitters. The module features 1500 VAC electrical isolation, which is critical for protecting the system backplane from field-side voltage transients. The input architecture supports configurable 2-wire\/4-wire transmitter connections via internal setting pins, allowing for flexible integration with diverse field instrumentation. With a 10 ms data update cycle and temperature drift compensation of +\/- 0.01% per deg C, the module ensures deterministic and stable process variable acquisition.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the NFAI143-H50 S1 support hot-swapping during active operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports hot-swapping within the STARDOM I\/O rack. Ensure the controller is placed in the designated maintenance mode before extraction to prevent the propagation of invalid process values.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 250 Ohm input resistance be changed for different loop loads?\u003c\/p\u003e\n\u003cp\u003eA: The 250 Ohm resistance is fixed to meet the standard requirements for 4-20 mA HART signal demodulation. External series resistance should not be added, as this will shift the input range and potentially violate the 24 mA maximum allowable current specification.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Secure the module onto the STARDOM DIN-rail base plate. Ensure the locking latch is fully engaged to establish a reliable connection to the backplane communication bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring\u003c\/strong\u003e: Use shielded twisted-pair cabling for all inputs. Terminate the shield at the cabinet ground bar, ensuring the path to ground is low-impedance to maintain isolation integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding\u003c\/strong\u003e: The module must share a common ground reference with the STARDOM cabinet to prevent potential differences that could manifest as common-mode noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management\u003c\/strong\u003e: While rated for 0 deg C to 60 deg C, ensure that the cabinet provides adequate convection to keep the internal component temperatures within the manufacturer's specified limits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49537077084412,"sku":"NFAI143-H50 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/NFAI143-H50A4AS0.jpg?v=1783043694","url":"https:\/\/www.electronicplc.com\/es\/products\/nfai143-h50-s1-analog-input-module-yokogawa","provider":"Electronic PLC","version":"1.0","type":"link"}