The document summarizes Mitsubishi Electric's new FX1S and FX1N series of programmable logic controllers (PLCs). The new PLCs have improved basic performance with faster processing speeds, more memory, and higher counter frequencies. They also have enhanced positioning functions with faster pulse outputs and new commands. A variety of display modules are available, including add-on and panel-mounted types with multiple languages and setup functions. The PLCs also have improved communication functions allowing larger networks of up to 16 units. They maintain compatibility with previous Mitsubishi PLC models for easy upgrades.