{"product_id":"abb-bailey-ntai02-termination-unit-ntai-02","title":"ABB Bailey NTAI02 Termination Unit NTAI-02","description":"\u003ch3\u003eABB Bailey NTAI02 Analog Input Termination Unit\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB Bailey NTAI02\u003c\/strong\u003e is an \u003cstrong\u003eAnalog Input Termination Unit (AITU)\u003c\/strong\u003e for the INFI 90 distributed control system. It bridges the gap between analog field devices (sensors, transmitters) and the digital world of the DCS, providing signal conditioning, isolation, and conversion for reliable process variable measurement.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e NTAI02\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Analog Input Termination Unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e INFI 90 \/ Symphony\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ABB \/ Bailey Controls\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 8 or 16 (varies by configuration)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Signal Types:\u003c\/strong\u003e Voltage (±10 mV to ±10 V), current loop, thermocouple, RTD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.1% to ±0.3%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Arcnet (backplane communication)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade aluminum alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 127 × 152 × 102 mm (5.0\" × 6.0\" × 4.0\") or 177.8 × 35.6 × 127 mm (7.0\" × 1.4\" × 5.0\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.3 kg (0.66 lbs) to 0.8 kg (varies by source)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to +60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 5% to 95% non-condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e INFI 90 field termination panel or DIN rail\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Conditioning:\u003c\/strong\u003e Amplifies, filters, and isolates raw analog signals for high-fidelity data acquisition.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Conversion:\u003c\/strong\u003e Converts conditioned analog signals into digital data for INFI 90 DCS processing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Sensor Support:\u003c\/strong\u003e Accepts voltage, current, thermocouple, and RTD inputs for flexible application coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Data Integrity:\u003c\/strong\u003e Minimizes noise and interference for accurate control decisions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e High-grade aluminum alloy housing withstands industrial environments.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature transmitter signal termination\u003c\/li\u003e\n  \u003cli\u003ePressure and flow transmitter interfaces\u003c\/li\u003e\n  \u003cli\u003eAnalytical sensor (pH, conductivity) connections\u003c\/li\u003e\n  \u003cli\u003eLevel and position sensor signal conditioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between NTAI02 and NTAI04?\u003c\/strong\u003e\u003cbr\u003e\nA: The NTAI02 is a \u003cstrong\u003egeneral analog input termination unit\u003c\/strong\u003e supporting voltage, current, and some temperature inputs. The NTAI04 is specifically an \u003cstrong\u003eRTD analog input termination unit\u003c\/strong\u003e optimized for resistance temperature detector inputs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does NTAI02 support 4-wire RTD connections?\u003c\/strong\u003e\u003cbr\u003e\nA: The NTAI02 supports \u003cstrong\u003ethermocouple and some RTD configurations\u003c\/strong\u003e. For dedicated 3-wire or 4-wire RTD applications, the NTAI04 is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eMount NTAI02 in INFI 90 field termination panel or DIN rail.\u003c\/li\u003e\n  \u003cli\u003eConnect field analog signals to designated input terminals.\u003c\/li\u003e\n  \u003cli\u003eVerify shield grounding for each signal cable.\u003c\/li\u003e\n  \u003cli\u003eLink NTAI02 to corresponding IMASI02\/IMASI03 slave module via backplane.\u003c\/li\u003e\n  \u003cli\u003eConfigure channel scaling and sensor type in MFP function blocks.\u003c\/li\u003e\n  \u003cli\u003eCalibrate against known reference signals.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Confirm your field devices output signals compatible with NTAI02 input ranges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannel Count:\u003c\/strong\u003e 8-channel vs. 16-channel variants available—match to your I\/O density requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.1% accuracy suits most process control; specify higher precision if required for critical loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53763689709752,"sku":"NTAI02","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/NTAI052.jpg?v=1770889096","url":"https:\/\/www.globalpetroparts.com\/products\/abb-bailey-ntai02-termination-unit-ntai-02","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}