Mitsubishi MELSEC iQ-F / FX5 PLCs

Mitsubishi Electric MELSEC iQ-F

The current generation of compact FX5 PLC control

From economical standalone machines to advanced networked automation, MELSEC iQ-F combines high-speed processing, built-in Ethernet and the GX Works3 engineering environment in a scalable compact platform.

Shop all FX5 CPUsChoose your FX5 family
Choose your platform

Four CPU families, one iQ-F ecosystem

Select by application complexity, expansion capacity, form factor and built-in functions.

Official Mitsubishi FX5S PLC CPU

FX5S

Economical controller for compact standalone machines requiring Ethernet and straightforward I/O control.

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Official Mitsubishi FX5UJ PLC CPU

FX5UJ

General-purpose choice offering greater expansion capacity for mainstream machine automation.

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Official Mitsubishi FX5U PLC CPU

FX5U

Advanced performance with built-in Ethernet, RS-485 and analog I/O for demanding applications.

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Official Mitsubishi FX5UC PLC CPU

FX5UC

High-density compact format for control panels where installation space is critical.

View FX5UC CPUs →

Outstanding performance

Fast instruction processing, high-speed system bus, extensive built-in functions and battery-free operation.

Superior drive control

Integrated high-speed counters, positioning functions and scalable motion-control options.

Intuitive programming

GX Works3 provides graphical hardware configuration, structured programming and reusable function blocks.

Quick selection guide

Start with three decisions

1. Select powerChoose 100–240 VAC or 24 VDC according to the machine control supply.
2. Select output typeRelay for flexible AC/DC switching, transistor sink or transistor source for fast DC outputs.
3. Select built-in I/OChoose the required input/output count, then reserve capacity for planned expansion.

Compare all 63 FX5 CPUs

Build the complete system

Expansion categories

Digital I/O

Input, output, mixed I/O and powered expansion modules.

Analog & temperature

Voltage/current analog I/O, thermocouple, RTD and temperature control.

Communication

Ethernet, serial, CC-Link IE, EtherNet/IP and other industrial networks.

Positioning & motion

High-speed counting, pulse positioning and simple motion modules.

Power & interfaces

Extension power supplies, bus conversion and connection interfaces.

Accessories

Memory cards, batteries, cables, terminal solutions and GX Works3.

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