Modular Foundation for High-Reliability Distributed Control Systems
The Yokogawa NFBU200 Base Module is a core structural and electrical platform designed for the STARDOM FCN-500 autonomous controller system. It provides the physical chassis and internal communication backbone required to mount CPU modules, power supply units, and I/O modules, forming a complete control unit or expansion unit.
Built for scalable industrial automation, the NFBU200 enables flexible system configuration, high availability, and stable operation in demanding process environments where continuous control performance is essential.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Base Module (Long Type) |
| Model | NFBU200 |
| System Compatibility | Yokogawa STARDOM FCN-500 / FCN series |
| Function | Control unit / extension unit base chassis |
| Mounting Type | 19-inch rack or DIN rail (variant dependent) |
| I/O Module Capacity | Up to 8 modules (control unit) / up to 9 (extension unit) |
| Power Supply Slots | 1–2 slots (supports duplex configuration) |
| Internal Bus | SB Bus (duplex internal backplane) |
| CPU Support | Single or redundant CPU configuration supported |
| Power Consumption | Approx. 0.4 A @ 5 V DC |
| Cooling Method | Natural air cooling (fanless design) |
| Operating Temperature | -10°C to +55°C / up to +60°C (variant dependent) |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Weight | Approx. 1.9 kg |
| Dimensions (W×H×D) | 482.6 × 132.5 × 40.5 mm |
Industrial Applications
The NFBU200 Base Module is widely used in industrial automation environments requiring reliable and expandable control systems:
-
Oil & gas production and pipeline systems
-
Petrochemical and refining plants
-
Power generation and energy management systems
-
Water treatment and utility infrastructure
-
Large-scale process manufacturing facilities
Its modular architecture makes it suitable for both centralized and distributed control strategies in complex industrial plants.
Engineering Advantages
The NFBU200 is designed to deliver long-term stability, system flexibility, and high availability in industrial environments. Its robust architecture supports continuous operation with minimal maintenance requirements.
Key advantages include:
-
Modular system design for flexible configuration and expansion
-
Duplex SB bus architecture for reliable internal communication
-
Redundant power supply support for improved system availability
-
Hot-swappable module capability enabling maintenance without shutdown
-
Fanless passive cooling design reducing mechanical failure points
-
High I/O scalability supporting large distributed control systems
These features make it a dependable foundation for modern STARDOM-based automation systems.
Technical FAQs
1. What is the main function of the NFBU200?
It serves as the base chassis for mounting CPU, power supply, and I/O modules in STARDOM FCN systems.
2. What systems is it compatible with?
It is used in Yokogawa STARDOM FCN-500 and related control architectures.
3. How many I/O modules can it support?
Up to 8 modules in control unit configuration, and up to 9 in extension configurations.
4. Does it support redundancy?
Yes, it supports redundant CPU, power supply, and SB bus configurations.
5. What type of cooling does it use?
It uses passive air cooling without fans.
6. What is SB bus in this module?
It is the internal backplane communication system between modules.
7. Can modules be replaced while running?
Yes, hot-swapping is supported for maintenance flexibility.
8. What industries use it most?
Oil & gas, chemical, power generation, and manufacturing industries.
9. What is its weight?
Approximately 1.9 kg depending on configuration.
10. Why is the base module important?
It forms the structural and communication foundation of the entire control system.
A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
