{"product_id":"abb-bailey-infi-90-ntai02-analog-input-termination-unit","title":"ABB Bailey Infi 90 NTAI02 Analog Input Termination Unit","description":"\u003cp\u003eThe ABB NTAI02 is a specialized Termination Unit (TU) designed for integration within the Bailey INFI 90 and Network 90 distributed control system (DCS) architectures. This unit functions as a robust physical interface, bridging field-level analog instrumentation—such as transmitters and sensors—with the system's internal control modules. By providing a centralized, organized termination point, the NTAI02 ensures reliable signal routing for critical process monitoring and regulation.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports 8 analog input channels for high-density signal management.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 4-20 mA and 0-20 mA input signals.\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eFacilitates \"blind\" module replacement, allowing maintenance on control modules without disconnecting field wiring.\u003c\/li\u003e\n\u003cli\u003ePassive bridge design for reliable, long-term operation in industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoilers \u0026amp; Steam Turbines:\u003c\/strong\u003e Monitors temperature and pressure parameters to maintain operational efficiency and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Turbines:\u003c\/strong\u003e Manages thermocouple millivolt signals for precise combustion temperature control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoal Mills:\u003c\/strong\u003e Supports automated control for consistent grinding and delivery in cement and power generation plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressors \u0026amp; Blowers:\u003c\/strong\u003e Provides airflow and pressure monitoring for industrial pneumatic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePumps \u0026amp; Chillers:\u003c\/strong\u003e Enables precise temperature and humidity management in district heating and cooling applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eNTAI02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Types\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, 0-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1000 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 100 ms per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.15% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 degC to +60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the system is powered down before installing or removing the unit or associated cables.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for all field connections to minimize the impact of Radio Frequency Interference (RFI).\u003c\/li\u003e\n\u003cli\u003eEnsure the cable shield has a secure, low-impedance connection to a properly grounded conductive surface, such as a grounded cable tray.\u003c\/li\u003e\n\u003cli\u003eThe unit includes a 0.25 A (250V) fuse for internal circuit protection; verify fuse integrity during routine maintenance.\u003c\/li\u003e\n\u003cli\u003eMount the unit in an environment that meets the specified temperature and humidity ratings to ensure long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the NTAI02?\u003c\/h3\u003e\u003cp\u003eThe NTAI02 serves as an interface between field instruments and the Bailey INFI 90 or Network 90 DCS, providing a clean, organized termination point for analog input signals.\u003c\/p\u003e\u003ch3\u003eWhich control systems are compatible with this unit?\u003c\/h3\u003e\u003cp\u003eThe NTAI02 is designed for use with Bailey INFI 90 and Network 90 control systems and is frequently paired with modules such as the IMASI02\/NASI02 or IMFEC11\/12.\u003c\/p\u003e\u003ch3\u003eDoes this unit support field-side maintenance?\u003c\/h3\u003e\u003cp\u003eYes, the NTAI02 allows for the replacement of associated control modules without the need to disconnect or disturb the field wiring, simplifying system maintenance.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":50998296772860,"sku":"NTAI02","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_b46df889-1a87-4f21-8693-154fe8d0706a.jpg?v=1787161183","url":"https:\/\/www.electronicplc.com\/es\/products\/abb-bailey-infi-90-ntai02-analog-input-termination-unit","provider":"Electronic PLC","version":"1.0","type":"link"}