
Product Overview
The Yokogawa NFCP0501-S00 is a CPU Module used in Yokogawa FCN / FCN-RTU / STARDOM distributed control systems. It serves as the central processing unit of the automation system, responsible for executing control logic, managing I/O modules, and handling communication between field devices and supervisory systems.
This module is designed for high reliability, real-time processing, and stable operation in industrial environments such as oil & gas, chemical plants, and power generation facilities.
Technical Specifications
| Parameter |
Specification |
| Manufacturer |
Yokogawa |
| Model |
NFCP0501-S00 |
| Product Type |
CPU Module |
| System Compatibility |
FCN / FCN-RTU / STARDOM |
| Processor |
SH-4A (SH7730), 256 MHz |
| Memory |
128 MB RAM with ECC |
| Flash Memory |
128 MB onboard |
| Static RAM |
1 MB with ECC (battery backed) |
| Operating System |
Real-time OS |
| Communication Ports |
Ethernet (10/100 Mbps), RS-232, RS-422/RS-485 |
| Built-in I/O |
16 DI, 8 DO, 12 AI (1–5 V), 2 AO (4–20 mA), 2 PI, 1 AI (0–32 V) |
| Power Supply |
5 V DC ±5% |
| Power Consumption |
1.16 – 2.30 W |
| Battery |
Lithium battery (backup supported) |
| Dimensions |
149.3 × 65.8 × 130 mm |
| Weight |
0.9 kg |
Function and Working Principle
The NFCP0501-S00 CPU Module acts as the brain of the control system. It executes control programs, processes input data from I/O modules, and sends output commands to field devices.
Operating Process
- Field signals are collected by I/O modules
- CPU processes data using real-time control logic
- Communication is maintained with other system modules
- Output commands are generated for actuators and control devices
- Continuous monitoring and feedback ensure stable process control
Key Features
- High-performance SH-4A processor
- Real-time control operation
- Built-in I/O channels for flexible integration
- Dual communication interfaces (Ethernet + serial ports)
- Reliable ECC memory protection
- Compact and integrated design
- Stable operation for industrial environments
System Role
The NFCP0501-S00 functions as the central controller module in Yokogawa FCN systems, coordinating all input, output, and communication activities.
Typical System Architecture
Field Devices → I/O Modules → NFCP0501-S00 CPU Module → SCADA / HMI → Process Control System
Industrial Applications
The NFCP0501-S00 is widely used in:
- Distributed Control Systems (DCS)
- Oil and gas production facilities
- Petrochemical plants
- Power generation systems
- Water treatment plants
- Industrial automation systems
- Remote terminal unit (RTU) applications
- Process monitoring and control systems
Installation Guidelines
- Install into compatible Yokogawa FCN/FCN-RTU base unit
- Ensure stable 5 V DC power supply
- Properly seat module into backplane connector
- Maintain adequate ventilation inside control cabinet
- Use shielded communication cables for noise reduction
- Configure system software before commissioning
Compatible Components
The NFCP0501-S00 is compatible with:
- Yokogawa NF series I/O modules
- NFBU base units
- Power supply modules
- STARDOM FCN / FCN-RTU systems
- Communication and expansion modules
- Field instrumentation systems
Alternative Models
| Model |
Description |
| NFCP050 |
CPU module family |
| NFCP0501-S15 |
Enhanced CPU module variant |
| NFBU200 |
Controller base unit |
| NFAI143 |
Analog input module |
| NFAI543 |
Analog output module |
| NFAI835 |
Analog I/O module |
Advantages
- Real-time deterministic processing
- High system reliability and stability
- Integrated I/O reduces system complexity
- Flexible industrial communication options
- Suitable for harsh industrial environments
- Scalable system architecture
- Low power consumption design
Frequently Asked Questions
What is the NFCP0501-S00 used for?
It is used as the central CPU module to control and coordinate Yokogawa FCN/FCN-RTU automation systems.
Does it handle I/O directly?
Yes, it includes built-in I/O channels, but also works with external I/O modules for system expansion.
What communication interfaces are supported?
It supports Ethernet and serial communication (RS-232 / RS-485).
Where is it used?
It is used in industrial automation systems such as oil & gas, chemical processing, power plants, and water treatment facilities.
Is it suitable for real-time control?
Yes, it runs a real-time operating system designed for deterministic industrial control.
Conclusion
The Yokogawa NFCP0501-S00 CPU Module is a high-performance industrial controller core module designed for FCN/FCN-RTU systems. With its real-time processing capability, built-in I/O, and robust communication features, it provides a reliable foundation for complex industrial automation and process control applications.