When selecting a programmable logic controller (PLC) for your industrial automation project, choosing the right model can directly impact system stability, scalability, and long-term support. Mitsubishi¡¯s FX series PLCs¡ªparticularly the FX2N and FX3U¡ªare widely used across various industries due to their robust performance and flexible configuration. But which one fits your application best?In order to achieve the goal, plc controller Turn cocoon into butterfly, constantly polish product quality, improve business ability, and finally have a place in the market. https://www.hy-plc.com/
In this article, we break down the key differences between the FX2N and FX3U PLCs to help you make an informed decision. Whether you¡¯re upgrading an existing system or building a new one, HY-TECH offers compatible solutions, expert guidance, and reliable supply support.
FX3U PLC
Overview of the FX2N PLC
The Mitsubishi FX2N PLC is part of the second generation of the FX family. It¡¯s known for its:
Stable performance in basic control systems
Compact design with expandable I/O
Support for simple analog and communication modules
Cost-effective solution for smaller-scale automation
Key Specs:
Maximum I/O points: Up to 256 (with expansion)
Execution speed: 0.55 ¦Ìs per instruction
Memory capacity: 8k steps
Compatible with FX-series special function modules
Typical Applications:
Basic machine control
Packaging systems
Light-duty HVAC automation
Educational or training systems
Though the FX2N is now discontinued by Mitsubishi, many industrial systems still run on this trusted model. HY-TECH continues to provide tested and in-stock FX2N CPUs, modules, and accessories for replacement or system expansion.
Overview of the FX3U PLC
The Mitsubishi FX3U PLC is a more advanced and scalable model introduced as the next generation in the FX family. It retains backward compatibility while offering significant performance upgrades.
Advantages:
Faster processing speeds and enhanced performance
Improved memory and data handling
Built-in high-speed counters and pulse outputs
Ethernet, USB, and RS-485 communication interfaces
Support for structured programming and advanced instructions
Key Specs:
Maximum I/O points: Up to 384
Execution speed: 0.065 ¦Ìs per instruction
Memory capacity: 64k steps
Enhanced networking and communication capabilities
Typical Applications:
Complex automation systems
Multi-axis motion control
Process control in food, chemical, and pharmaceutical industries
Factory-wide distributed control networks
HY-TECH offers both original and compatible FX3U series modules, as well as system integration support to ensure smooth setup and performance.