
Compact PLC
Full PLC performance in a tiny package
The FX family now includes independent but fully mutually-compatible product lines:
What can you expect from the MELSEC FX series?
- Worldwide compatibility
thanks to their wide power supply range the FX controllers can be used all over the world - Internationally approved
MELSEC FX controllers conform to all major international industrial standards and maritime classifications - Flexible solutions
the base unit can be combined with optional expansion and special function modules to configure a system that is precisely geared to the needs of your application - Simple programming
complex functions can be combined and executed with a single instruction - Speed
the entire FX family has always set the standards for execution speed (FX3U: 0.065µs per logical instruction) - Compatibility
The lines in the FX family are different and independent products, but they are still fully compatible with one another

Compact PLC – MELSEC FX2N
The automation standard
The FX2N has set the standards in the industrial automation sector and is one of the biggest-selling controllers worldwide. It has many features normally found in larger controllers like floating-point math, the ability to process 32-bit data words and a wide range of fully-configurable communications options.
With a processing speed of just 0.08µs per logical instruction the FX2N is one of the fastest compact PLC systems available. It has extensive communications capabilities and a wide range of expansion and special function modules are available for configuration of precisely customised systems.
FX2N series highlights:
- 16 to 256 inputs and outputs
- High processing speed (0.08µs per log. instruction)
- Ample program storage capacity (8,000 steps, expandable to 16,000 steps) and device ranges
- Can be expanded with up to eight special-function modules for analog signal processing, temperature data acquisition, communications and positioning applications with up to 16 axes
- Connection options for Profibus-DP, CC-Link, DeviceNet and AS-Interface
- User-friendly programming with MS Windows-based programming software package or hand-held programming unit
- Integrated positioning controlle
