



Industrial Overview
The ABB Bailey NTCF02 Termination Unit is a specialized interface component used within the INFI 90 Distributed Control System (DCS). It is designed to provide reliable fiber optic to electrical signal conversion and termination, enabling stable communication between field devices and control system modules.
Built for legacy industrial automation systems, the NTCF02 plays a critical role in maintaining signal integrity across long-distance communication networks, especially in environments where electromagnetic interference and harsh operating conditions are present.
This module is commonly found in long-running industrial plants where INFI 90 systems are still in operation, ensuring continued system reliability and communication stability.
Technical Specifications
| Parameter | Details |
|---|
| Model | NTCF02 |
| System | ABB Bailey INFI 90 |
| Type | Fiber Optic to Electrical Termination Unit |
| Function | Optical signal conversion & termination |
| Communication Type | INFI-NET / fiber optic interface |
| Power Requirement | 24 VDC (low power consumption) |
| Power Consumption | ~0.2–0.25 kg equivalent system load |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5%–95% non-condensing |
| Mounting Type | DIN rail / termination panel mounted |
| Dimensions (HxWxD) | Approx. 127 × 178 × 178 mm |
| Weight | Approx. 0.2 kg |
Applications
The NTCF02 is widely used in legacy ABB Bailey INFI 90 systems across critical industrial sectors:
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Oil & gas production and offshore platforms
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Power generation plants and turbine control systems
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Petrochemical and refinery automation
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Water and wastewater treatment facilities
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Heavy industrial process control systems
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Distributed legacy DCS infrastructure upgrades
It is especially valuable in systems requiring optical signal transmission over long distances with high immunity to electrical noise.
Technical FAQs
1. What is the main function of the NTCF02?
It converts fiber optic signals into electrical signals within the INFI 90 system.
2. What system is it used in?
It is used in ABB Bailey INFI 90 Distributed Control Systems.
3. Is it an input or output module?
It functions as a communication termination and conversion unit.
4. What type of communication does it support?
It supports INFI-NET fiber optic communication.
5. What is its operating temperature range?
It operates from -20°C to +70°C.
6. Is it still used in modern automation systems?
It is mainly used in legacy systems still in operation.
7. What is its power requirement?
It operates on low-voltage 24 VDC supply.
8. What is its main advantage?
High reliability in long-distance optical communication environments.
9. How is it installed?
It is mounted on a termination panel or DIN rail inside control cabinets.
10. What industries commonly use it?
Oil & gas, power generation, and heavy industrial processing plants.