Mitsubishi FX3S-20MR-ES-K Programmable Logic Controller for FX Series

The Mitsubishi FX3S-20MR-ES-K (FX3S-20MR-ES-K) is a compact programmable logic controller main unit designed for the MELSEC-F FX3S Series. Engineered for entry-level machine control and small-scale automation systems, this FX Series CPU main unit provides essential sequential control, reliable execution, and flexible integration within industrial automation architectures. It serves as the primary processing unit in the FX3S lineup, managing system inputs and outputs while executing user-programmed logic. Compatible with standard FX Series expansion boards, special adapters, and peripheral communication devices, the FX3S-20MR-ES-K allows operators to customize input/output configurations and interface with supervisory systems. The unit incorporates built-in memory for sequence programs and internal operational flags, offering high-speed processing capabilities to ensure prompt cycle times and consistent execution. Typical applications include standalone machinery, packaging equipment, material handling setups, conveyor controls, and dedicated test benches requiring straightforward PLC control and dependable operation.