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Rich features and flexible system configuration in a compact size.

The MELSEC-F series PLC incorporates power supply, CPU, and I/Os into a single compact unit.
Meets the needs of a variety of user applications with options for I/O, analog, positioning, and open network expansion.

Main Unit

All-in-one power supply, CPU, and I/O main unit. Built-in features include high-speed counters and positioning outputs.

PLC Main Unit

I/O Extension

Both [I/O Extension Units] with a built-in power supply and [I/O Extension Blocks] without a power supply are available in various I/O sizes and configurations.

Expansion I/O

Analog Control

Options for analog inputs and outputs, temperature sensor inputs, and temperature control are available.


High-Speed Counting

Options are available to increase the performance of the built-in high-speed counters or provide additional high-speed counting capacity.

High-Speed Counting

Positioning Control

High-speed pulse output as well as SSCNETIII positioning options are available.



Expansion options for CC-Link and Ethernet networks as well as RS-232C and RS-485 serial communication protocols are available.



Lineup of cables and signal converters as well as training software.

Option / Training

Allied products

A variety of partner products compatible with the MELSEC-FX Series are available.

Connectable Equipment
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