During technical comparisons, FX3U-80MT-DSS appears alongside Schneider PLC, Fx5U 32Mt Ess and Mitsubishi HMI so engineers assess signal types, ingress protection, and ambient tolerances accurately.
FX3U-80MT/DSS - Mitsubishi Programmable Controllers Melsec
Technical Specifications of Mitsubishi Mitsubishi Programmable Controllers Melsec FX3U-80MT/DSS:
| Brand | Mitsubishi |
| Product Type | PLC(Programmable Logic Controller) |
| Product | FX3U-80MT/DSS |
FX3U-80MT/DSS Mitsubishi Programmable Controllers Melsec Technical Specifications
| Specification | Value |
|---|---|
| Type | FX3U |
| Power Supply (V) | 24 |
| Current Type | DC |
| Program Memory | 64K STEPS |
| Program Memory Unit | RAM |
| Integrated Digital Inputs | 40 |
| Integrated Digital Outputs | 40 |
| Output Type | TRANSISTOR |
| Output Logic | SOURCE |
| Local I/O Points | 256 |
| Local + Remote I/O Points | 384 |
| Expandable | YES |
| Cycle Time LD (ns) | 65 |
| Cycle Time MOV (ns) | 642 |
| Power Consumption (W) | 45 |
| Buffer Battery | YES |
| Protection Class | IP10 |
| Max. Ambient Temperature (°C) | 55 |
| Series | MELSEC-F SERIES |
| Depth (mm) | 86 |
| Weight (kg) | 1,2 |
| Width (mm) | 285 |
| Height (mm) | 90 |
| CE | COMPLIANT |
| Shipping Approvals | ABS,BV,DNV GL,KR,LR,NK,RINA |
| EAC | NON-COMPLIANT |
| UL/cUL | COMPLIANT |
| UKCA | COMPLIANT |
The FX3U-80MT/DSS from Mitsubishi Electric is built for demanding applications where precise control and fast processing are essential. Operating on a 24V DC power supply, it supports 40 digital inputs and 40 transistor outputs with SOURCE logic, offering seamless integration in machine automation and field I/O operations. With 64K steps of RAM-based program memory, this PLC gives engineers the flexibility to handle complex ladder logic, function blocks, and motion sequences.
Performance-wise, it features a cycle time of just 65 ns for LD instructions and 642 ns for MOV instructions, ensuring real-time responsiveness in high-speed applications. It supports 256 local I/O points and scales up to 384 I/O points with remote expansion—making it a future-proof controller for both mid-sized and growing automation systems. The FX3U-80MT/DSS also comes with an integrated buffer battery for program retention, and consumes just 45W of power for energy efficiency.
Designed for durability, the unit complies with IP10 protection class and functions reliably up to 55°C. It's also certified with CE, UKCA, and marine-grade approvals including ABS, DNV GL, KR, LR, and RINA—making it suitable for factory floors as well as offshore automation. Engineers trust the Mitsubishi FX3U-80MT/DSS PLC for its rugged construction, expandability, and precision in fast-paced environments. Visit the official Mitsubishi product page to learn more.
The Mitsubishi FX3U-80MT/DSS PLC is commonly used in manufacturing lines that require synchronized control of conveyors, motors, actuators, and sensors. It's ideal for packaging machines, bottling plants, labeling stations, and pick-and-place systems where speed and timing are critical.
With its support for high-speed output and multiple expansion modules, this PLC helps automate process sequencing, reduce manual intervention, and improve product consistency. Its compatibility with HMIs and SCADA makes remote monitoring simple, allowing plant managers and engineers to make real-time adjustments.
Whether you're retrofitting legacy systems or building a smart factory setup, the FX3U-80MT/DSS provides the right balance of performance, communication, and scalability. Its fast instruction execution, wide I/O capacity, and Mitsubishi’s global support make it a reliable solution for engineers and OEMs focused on industrial efficiency.
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