Industrial Overview
The ABB Bailey NTCF23 Termination Unit is a high-performance communication interface module used in the INFI 90 Distributed Control System (DCS). It is designed for INFI-Net optic-to-electric signal conversion, enabling reliable communication between fiber optic networks and electrical control system interfaces.
This unit is an essential part of ABB’s legacy automation architecture, ensuring stable data transmission, strong noise immunity, and long-distance connectivity in complex industrial environments. It is widely installed in process industries where system reliability and uninterrupted communication are critical for safe operations.
Technical Specifications
| Parameter | Details |
|---|
| Model | NTCF23 |
| System | ABB Bailey INFI 90 |
| Type | INFI-Net Optic-to-Electric Termination Unit |
| Function | Fiber optic ↔ electrical signal conversion |
| Communication Protocol | INFI-Net fiber optic system |
| Power Requirement | 24 VDC (low power consumption) |
| Signal Direction | Optic → Electric / Electric ↔ Network |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5%–95% non-condensing |
| Mounting Type | Cabinet / termination panel installation |
| Weight | Approx. 2.0–5.2 kg (variant-dependent) |
Applications
The NTCF23 is widely used in large-scale industrial automation systems where fiber optic communication is essential for system stability:
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Oil & gas production and pipeline networks
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Power generation and electrical substations
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Petrochemical and refinery control systems
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Water and wastewater treatment plants
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Heavy industrial distributed control systems
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Legacy ABB INFI 90 network expansions and maintenance projects
It is especially valuable in environments requiring high-speed, interference-free communication across long distances.
Technical FAQs
1. What is the main function of the NTCF23?
It converts INFI-Net fiber optic signals into electrical signals for ABB INFI 90 systems.
2. What system is it used in?
It is used in ABB Bailey INFI 90 Distributed Control Systems.
3. What type of communication does it support?
It supports INFI-Net fiber optic communication architecture.
4. Is it bidirectional?
Yes, it supports optic-to-electric and electric-to-optic communication paths.
5. What is its power requirement?
It operates on a 24 VDC low-power supply.
6. What industries use this module?
Oil & gas, petrochemical, power generation, and water treatment industries.
7. Is it still used in modern automation systems?
It is mainly used in existing legacy INFI 90 installations.
8. What is its operating temperature range?
-20°C to +70°C.
9. How is it installed?
It is mounted inside control cabinets or termination panels.
10. What is its main advantage?
It ensures reliable fiber optic communication with strong resistance to electrical interference.
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