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The Mitsubishi Electric FX3U-16MR/ES is a compact PLC main unit from the MELSEC-F Series, designed for dependable sequence control in industrial automation systems. With 8 digital inputs and 8 relay outputs, it provides 16 integrated I/O points for connecting sensors, switches, actuators, contactors, and other control devices. The 100 to 240 V AC power supply makes the FX3U-16MR/ES suitable for a wide range of industrial control panels and machine automation applications.
The relay-output configuration provides flexibility for controlling different types of industrial loads within the specified electrical ratings. The FX3U platform is also designed with expansion capabilities, allowing users to build larger or more specialized control systems by adding compatible expansion and special-function modules. Mitsubishi Electric describes the FX3U as a high-function micro PLC family with capabilities including high-speed processing, positioning, high-speed counting, and communication options.
The FX3U-16MR/ES can be used in machine automation, packaging equipment, conveyors, material handling systems, production machinery, and general factory automation applications. It can also be relevant for maintenance and replacement projects involving existing FX3U installations. Mitsubishi Electric currently lists the FX3U-16MR/ES as a product scheduled for end of order in March 2028, with discontinuation scheduled for September 2028, although availability can vary by region. For replacement applications, the exact model, I/O configuration, power supply, wiring, and system compatibility should be verified before installation.