The **Mitsubishi FX3U-128M** is part of the **FX3U series** of programmable logic controllers (PLCs) from **Mitsubishi Electric**, designed for use in automation and control applications in various industries. The FX3U series is known for its **modular design**, **high performance**, and **flexibility**, making it suitable for complex automation tasks.
### Key Features and Specifications of **Mitsubishi FX3U-128M PLC**:
1. **CPU and Memory**:
- The **FX3U-128M** is equipped with a **powerful CPU** capable of processing up to **128 I/O points** (with expansion modules) in a compact form factor.
- It has an internal **memory capacity** that can handle complex programs and data. The **program memory** (ROM) is typically 64 KB, and the **data memory** (RAM) is up to 24 KB.
- The **non-volatile memory** allows for storing programs and data even during power outages.
2. **Modular Design**:
- The **FX3U-128M** PLC is **modular**, meaning that it can be expanded with various **input/output modules**, **communication modules**, and other peripheral devices depending on the application needs.
- It supports up to **8 expansion modules**, allowing for scalability in both I/O points and functionality.
- The modular structure makes the FX3U-128M adaptable to a wide variety of applications, from small to large-scale systems.
3. **Input/Output Capacity**:
- The base unit includes **128 I/O points**, which can be further expanded with additional modules.
- The PLC supports **digital I/O**, **analog I/O**, and **high-speed counters**, making it suitable for various sensor and actuator control applications.
4. **Communication**:
- The **FX3U-128M** supports multiple communication options to enable integration with other devices and networks. Common communication options include:
- **RS-232**, **RS-485**, and **Ethernet** connections for interfacing with other automation devices, HMI (Human-Machine Interface), and SCADA systems.
- **CC-Link**, **Modbus**, and **DeviceNet** communication modules can be added for integration with remote devices or distributed control systems.
- The **FX3U** series is compatible with Mitsubishi's **GX Works2** and **GX Developer** software for programming and configuration, allowing for simple programming of communication tasks.
5. **High-Speed Processing**:
- The FX3U-128M PLC is designed for **fast processing** with a **high-speed CPU**, capable of executing logic operations in real-time. It is ideal for applications that require quick responses, such as **motion control**, **robotics**, and **precision equipment**.
- It supports **high-speed counters** (up to 100 kHz), **pulse outputs**, and **fast analog I/O** for handling more advanced automation tasks.
6. **Programming**:
- The **FX3U-128M** is programmed using **Mitsubishi’s GX Works2** or **GX Developer** software. These software packages allow for the creation of programs in **Ladder Logic** (LD), **Structured Text (ST)**, and **Function Block Diagram (FBD)** programming languages, making it highly flexible for different programming styles and application requirements.
- The **programming environment** supports **user-defined functions** (UDF), allowing for the creation of reusable logic blocks, simplifying program development and maintenance.
7. **Advanced Features**:
- The **FX3U-128M** features **built-in analog I/O** (with optional modules for more channels), making it suitable for applications involving analog sensors, such as temperature, pressure, or flow measurement.
- It includes **high-speed data transfer capabilities**, allowing it to quickly interact with other devices, providing real-time data to operators or monitoring systems.
- The **high-speed pulse output** makes it ideal for controlling motors and other devices that require precise timing and positioning, such as in **motion control** systems.
8. **Power Supply**:
- The **FX3U-128M** operates with a **24V DC** power supply, which is standard in industrial control systems.
- Power consumption is typically low, which ensures energy efficiency in operation.
9. **Expansion Modules**:
- The system allows for the expansion of **digital** and **analog input/output modules**, as well as communication and specialized function modules.
- **Specialty modules** include **temperature control**, **high-speed counters**, **serial communication** modules, and more.
- This flexibility allows the FX3U-128M to be customized to suit specific applications in industries such as **manufacturing**, **process control**, **automotive**, and more.
10. **Real-Time Monitoring and Diagnostics**:
- The **FX3U-128M** supports **real-time monitoring** and diagnostics through the **GX Works2** software.
- The PLC can be easily connected to a **HMI** or **SCADA system** for real-time visualization and analysis of the system’s performance, providing insights into **operational trends**, **alarm conditions**, and **error states**.
11. **Applications**:
- **Industrial Automation**: Used to control and automate various processes in industries such as **manufacturing**, **food processing**, **pharmaceuticals**, **chemical**, and more.
- **Machine Control**: Ideal for controlling machines and production lines, particularly those requiring **high-speed control** and **precise motion**.
- **Building Automation**: Can be used to control heating, ventilation, and air conditioning (HVAC) systems in **building management systems**.
- **Robotics**: The high-speed I/O and pulse output capabilities make it well-suited for robotic applications, including **servo motor control** and **motion sequencing**.
12. **Reliability and Durability**:
- The **FX3U-128M** is built to withstand harsh industrial environments, offering robust performance under challenging conditions such as **high vibration**, **temperature fluctuations**, and **electrical noise**.
- The system complies with international **safety standards** and **certifications**, ensuring reliable and safe operation in various industrial environments.
### Summary:
The **Mitsubishi FX3U-128M PLC** is a versatile, high-performance **programmable logic controller** ideal for applications requiring **high-speed processing**, **modular expansion**, and flexible communication options. With a variety of I/O modules, **advanced programming features**, and a **compact design**, it is suitable for controlling complex automation systems in industries such as **manufacturing**, **process control**, and **machine automation**. The **FX3U-128M** offers a scalable solution for users looking for a reliable, easy-to-program PLC that integrates seamlessly into Mitsubishi-based automation systems.
