ABB NTAI02 analog input termination unit

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ABB NTAI-02 Analog Input Termination Unit Product Documentation

1. Product Description
The ABB NTAI-02 is an Analog Input Termination Unit specifically designed for ABB's INFI 90 Distributed Control System (DCS) 4. This module serves as the interface between the process control system and field analog sensors (such as temperature, pressure, and flow transmitters), primarily used for receiving and processing analog input signals. It converts continuous analog signals from field sensors (e.g., 4-20mA, 0-10V) into digital signals that the control system can process, making it a key component for signal acquisition in industrial process control.

2. Detailed Parameters

3. Product Advantages and Features
3.1 High-precision signal conversion: Accurately receives and processes analog signals from field sensors, ensuring reliable data acquisition and providing a precise data foundation for process control.
3.2 Strong system integration: Designed specifically for the ABB INFI 90 system, seamlessly integrating with other system components (e.g., control modules, I/O modules) to ensure stable and reliable communication and control 4.
3.3 Industrial-grade reliability: Designed for harsh industrial environments with high noise immunity and stability, suitable for continuous process control applications.
3.4 Flexible configuration: Typically supports multiple analog input signal types and ranges (confirmation required), adaptable to different sensor requirements.
3.5 Easy maintenance: Modular design facilitates installation, replacement, and maintenance. Provides status indication (if available) for easy troubleshooting.
3.6 Signal isolation and protection: Provides electrical isolation and protection functions, effectively suppressing electromagnetic interference and protecting the control system from field-side surges or faults.

4. Application Fields
The ABB NTAI-02 analog input termination unit is widely used in industrial automation and process control scenarios requiring highly reliable analog signal acquisition, including:
4.1 Power Industry: Process control systems in thermal power plants, nuclear power plants, and hydropower plants (e.g., monitoring of temperature, pressure, flow, etc.).
4.2 Chemical Industry: Process control and safety interlock systems in chemical, oil, and natural gas industries.
4.3 Metallurgical Industry: Temperature and pressure monitoring in blast furnace systems and steel rolling processes.
4.4 Water Treatment and Environmental Protection: Monitoring of water quality parameters (e.g., pH, turbidity) in water supply systems and wastewater treatment plants.
4.5 Manufacturing Industry: Production process parameter monitoring in automotive manufacturing, food processing, pharmaceuticals, etc..

5. Precautions
5.1 System Compatibility: This module is dedicated to the ABB INFI 90 Distributed Control System. When integrating into an existing system or performing upgrades, always verify its compatibility with existing master modules, racks, and power supplies 4.
5.2 Signal Wiring and Configuration:
* Correctly connect field sensor signal wires, paying attention to signal type (current/voltage), polarity, and shielding.
* Correctly configure module parameters (e.g., jumpers or software settings) according to sensor type and range.
5.3 Environmental Conditions: Ensure operating environment parameters (temperature, humidity, dust concentration) are within the module's allowed range (although exact specifications require checking official documentation, avoid extreme conditions).
5.4 Calibration and Maintenance: Perform regular signal calibration to ensure measurement accuracy. Before performing maintenance, always follow safety procedures and power down if necessary.
5.5 Spare Parts Procurement: As industrial automation products may iterate, pay attention to the long-term availability of spare parts and procure products from reliable channels (authorized distributors or reputable suppliers).

The structure and details of the product：

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