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- Yokogawa
- NT225AA-04
- FCN/FCJ System Card Spare Parts
- Japan
- 22 x 33 x 45 mm
- 0.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa NT225AA-04 is a System Card Spare Part designed for the Yokogawa STARDOM FCN/FCJ Autonomous Controller platform. It serves as a replacement system card for controller maintenance, upgrades, and hardware replacement, helping ensure long-term reliability and availability of FCN/FCJ control systems.
The NT225AA-04 incorporates 512 MB system memory, making it suitable for compatible FCN/FCJ controller configurations. It is intended for use as an original spare component and is commonly installed in redundant controller systems to maintain continuous operation. The -04 suffix identifies the 512 MB memory version of the NT225AA system card.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | NT225AA-04 |
| Product Type | FCN/FCJ System Card Spare Part |
| Platform | Yokogawa STARDOM FCN/FCJ |
| Function | Controller System Card |
| Memory Capacity | 512 MB |
| Application | Spare part for FCN/FCJ controller systems |
| System Architecture | Autonomous Controller |
| Installation Method | Internal controller card installation |
| Mounting Type | Plug-in module |
| Protection Rating | IP20 |
| Dimensions | 22 × 33 × 45 mm |
| Weight | 0.5 kg |
Function and Working Principle
The NT225AA-04 functions as an internal system card within the Yokogawa FCN/FCJ controller. It stores essential controller system information and supports the controller during startup, configuration, and operation.
When installed in the controller, the system card enables proper controller initialization and supports stable execution of automation functions. In redundant controller configurations, identical system cards are typically installed in both CPUs to ensure reliable synchronized operation.
Operating Sequence
- The system card is installed in the FCN/FCJ controller.
- The controller reads the stored system information during startup.
- Controller configuration and initialization are completed.
- Automation programs execute normally.
- The controller continuously supports industrial process operation.
Key Features
- Original spare system card for STARDOM FCN/FCJ controllers
- 512 MB onboard system memory
- Supports controller replacement and maintenance
- Designed for autonomous controller architecture
- Reliable operation in industrial environments
- Compact plug-in design
- Suitable for redundant controller configurations
- Easy installation and replacement
System Role
The NT225AA-04 serves as an essential system memory card within Yokogawa FCN/FCJ autonomous controllers, supporting controller initialization and normal operation.
Typical System Architecture
Engineering Workstation → NT225AA-04 System Card → FCN/FCJ Controller CPU → I/O Modules → Field Devices
Industrial Applications
The NT225AA-04 is widely used in:
- Oil and gas production
- Chemical and petrochemical plants
- Power generation facilities
- Water and wastewater treatment
- Pharmaceutical manufacturing
- Food and beverage processing
- Pipeline automation
- Remote terminal units (RTUs)
- Utility monitoring systems
- Industrial process automation
Installation Guidelines
- Install the card in a compatible FCN/FCJ controller.
- Verify compatibility with the controller model before installation.
- Power down the controller before replacing the system card.
- Follow electrostatic discharge (ESD) protection procedures during handling.
- Confirm proper seating of the card before restarting the controller.
- Verify controller diagnostics after installation.
Compatible Components
The NT225AA-04 is compatible with:
- Yokogawa STARDOM FCN Controllers
- Yokogawa STARDOM FCJ Controllers
- Yokogawa Autonomous Controller CPU Modules
- Yokogawa Communication Modules
- Yokogawa Digital I/O Modules
- Yokogawa Analog I/O Modules
- Yokogawa Power Modules
- Yokogawa Engineering Workstations
Alternative Models
| Model | Description |
|---|---|
| NT225AA-03 | FCN/FCJ System Card (128 MB) |
| NT225AA-05 | FCN/FCJ System Card (128 MB) |
| NFCP501 | Autonomous Controller CPU Module |
| NFBU200 | Controller Basic Module |
| NFPW442 | Power Module |
Advantages
- Original replacement component for FCN/FCJ systems
- 512 MB system memory capacity
- Supports reliable controller operation
- Suitable for redundant controller systems
- Compact and durable industrial design
- Easy maintenance and replacement
- High reliability for continuous industrial operation
- Long service life
Frequently Asked Questions
What is the NT225AA-04 used for?
It is used as a replacement system card for Yokogawa STARDOM FCN/FCJ autonomous controllers.
What is the memory capacity of the NT225AA-04?
The -04 version is equipped with 512 MB of system memory.
Can it be used in redundant controller systems?
Yes. It is suitable for dual-redundant FCN/FCJ controller configurations, where matching system cards are installed in both controller units.
How is the system card installed?
The NT225AA-04 is installed internally in a compatible FCN/FCJ controller after the controller has been powered down and appropriate ESD precautions have been taken.
Which industries commonly use the NT225AA-04?
It is widely used in oil and gas, power generation, chemical processing, water treatment, manufacturing, and other industrial automation applications.
Conclusion
The Yokogawa NT225AA-04 FCN/FCJ System Card Spare Part is a reliable replacement component for the STARDOM FCN/FCJ autonomous controller platform. Featuring 512 MB system memory, compact construction, and dependable performance, it helps maintain controller availability and supports long-term operation in critical industrial automation systems.