With more than 30.000 high-quality spare parts, they can be sold immediately. Our large inventory allows us to quickly meet customer needs, thereby reducing downtime and protecting production schedules. Our timely delivery time provides you with security and save money.
Analog Input Termination Unit
Connects field thermocouple/millivolt
wiring to the DCS input modules
Thermocouples (TC) and millivolt
signals (-100 mV to +100 mV)
The NTAI02 is an analog input termination unit specifically for distributed control systems. Its core functions include multi-channel signal aggregation, signal conditioning and impedance matching via onboard jumpers, high-reliability electrical isolation and noise suppression, and fast interconnection with main control modules through dedicated pre-fabricated cables.
Multi-channel signal aggregation
Onboard jumper signal conditioning
Electrical isolation and noise suppression
Within the overall network architecture, this unit serves as a critical foundation for the automation system, integrating seamlessly into its proprietary distributed control network environment. It handles the real-time, seamless upload of various complex industrial field parameters to the central control modules, ensuring high-speed synchronization between upper-level decision commands and lower-level status data. Through standard rack-mounted card slots and redundant communication structures, the component achieves high fault tolerance, maintaining uninterrupted communication links even in harsh electromagnetic interference and unstable power environments. Furthermore, its highly modular configuration methods and flexible channel allocation mechanisms grant the control cabinet exceptional expansion elasticity, allowing for easy additions or removals of field measurement points as industrial processes upgrade. This deep system-level integration significantly reduces labor costs for daily maintenance, providing solid engineering support for the long-cycle continuous operations of large-scale modern plants.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
ABB NTAI02 Analog Input Termination Unit Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Fossil Fuel Power Generation
Receiving high-temperature and high-pressure steam temperature signals from boiler piping thermocouples, routing weak electromagnetic signals into the main controller for combustion efficiency management.
Nuclear Power
Routing physical hardwires of saturated steam pipe and condensate system temperatures into highly redundant INFI 90 safety control racks within nuclear conventional island loops.
Petrochemical & Refining
Real-time routing of cold-junction compensated thermocouple signals from different temperature zones of crude oil cracking towers, securing long-term temperature tracking within the control cabinets.
Pulp & Paper
Receiving multi-channel temperature probe hardwires from high-temperature alkali reaction zones in digesters and steam heating loops of drying cylinders, uploading data to the primary controller in real time.
Rubber & Plastics Processing
Monitoring hardwired temperatures across multi-stage high-pressure heating barrels of internal mixers and large extruders, transmitting analog values with low latency without interfering with high-speed mixing.
Four critical precautions must be observed when using the NTAI02 termination unit. First, ensure the clips are completely locked when mounting it onto the NFTP01 baseplate to prevent poor contact caused by high-frequency industrial vibrations. Second, when introducing thermocouple and millivolt signals, cold-junction compensation must be strictly calibrated, and the power supply must be maintained at a stable +24 VDC to avoid channel distortion. Third, although it features surge protection compliant with IEEE-472-1974 standards, the physical field hardwires must still be routed away from inverters and high-power electrical cables to prevent noise interference. Fourth, since it is only certified for ordinary safe locations, it is strictly forbidden to expose it directly without proper enclosures to hazardous industrial areas containing flammable and explosive gases.
It is an Analog Input Termination Unit within the ABB Bailey INFI 90 / Symphony Distributed Control System (DCS) lines.
What is the primary purpose of NTAI02?
It is primarily used to establish a physical electrical interface gateway between field instrument wiring and internal DCS input modules.
What types of field signals can NTAI02 receive?
It is mainly designed to receive Thermocouple (TC) signals and low-voltage millivolt analog signals ranging from -100 mV to +100 mV.
How many independent input channels does NTAI02 have?
This termination board features 8 independent analog input channels as standard, allowing for 8 concurrent field instrument hardwire connections.
What specific cable is required for field connection to NTAI02?
It typically relies on standard Bently/Bailey NKAT01 or NKAI01 series dedicated termination assembly interconnect cables.
Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
Videos
News
Applications
