MITSUBISHI FX3U-32MR-ES Programmable Controllers

Mitsubishi FX3U-32MR – MELSEC-F Series PLC

The Mitsubishi FX3U-32MR is a compact, high-performance Programmable Logic Controller (PLC) from the MELSEC-F Series. Designed for flexibility and scalability, it is ideal for small to medium-sized automation applications. This PLC offers fast processing speed, expandable I/O, and multiple communication options, making it a reliable choice for industrial automation.

1. General Information

• Manufacturer: Mitsubishi Electric
• Model Number: FX3U-32MR
• Series: MELSEC-F Series
• Type: FX3U
• Expandable: Yes – Supports additional I/O modules and communication options
• Protection Class: IP10 – Protected against solid objects larger than 50mm but not against liquids

2. Electrical Specifications

• Power Supply Voltage: 100-240V AC
• Current Type: AC
• Power Consumption: 35W
• Buffer Battery: Yes – Ensures program retention during power failures

3. Processing & Memory

• Program Memory Size: 64K Steps
• Memory Type: RAM
• Cycle Time (LD Instruction): 65 ns – Ensures fast logic execution
• Cycle Time (MOV Instruction): 642 ns – Provides efficient data handling

4. I/O & Connectivity

• Integrated Digital Inputs: 16
• Integrated Digital Outputs: 16
• Output Type: Relay Outputs – Suitable for applications requiring mechanical switching
• Local I/O Points: 256
• Local + Remote I/O Points: 384 – Supports expansion modules for larger applications
• USB Port: Optional – Can be added for programming and data transfer
• RS-422 Port: 1 – Supports serial communication for connecting to HMIs, SCADA, and other devices

5. Environmental Conditions

• Minimum Operating Temperature: 0°C
• Maximum Operating Temperature: 55°C
• Suitable for industrial environments with moderate conditions

6. Physical Dimensions & Weight

• Width: 150 mm
• Height: 90 mm
• Depth: 86 mm
• Weight: 0.65 kg

7. Key Features & Benefits

✔️ Fast Processing Speed – With a cycle time of 65 ns (LD) and 642 ns (MOV), it ensures high-speed logic execution.
✔️ Expandable Architecture – Supports additional I/O modules, analog, communication, and special function modules for enhanced flexibility.
✔️ Reliable Relay Outputs – Suitable for switching loads such as motors, solenoids, and lamps.
✔️ Multiple Communication Options – Built-in RS-422 port and optional USB interface allow seamless connectivity.
✔️ Large Program Memory – 64K steps RAM ensures complex automation processes can be handled efficiently.
✔️ Compact & Lightweight Design – Ideal for space-constrained control panels.

8. Application Use Cases

The Mitsubishi FX3U-32MR PLC is designed for various industrial automation applications, including:

✅ Manufacturing Automation – Controlling production lines and machinery.
✅ Material Handling – Managing conveyor belts, robotic arms, and sorting systems.
✅ Packaging Industry – Handling labeling, filling, and sealing machines.
✅ HVAC Control – Regulating temperature, humidity, and ventilation systems.
✅ Water Treatment Plants – Monitoring pumps, valves, and chemical dosing systems.
✅ Building Automation – Controlling lighting, security, and elevator systems.