Mitsubishi PLC English name is also known as: Mitsubish Programmable Logic Controller, is Mitsubishi Electric in Dalian production of the main products. It uses a class of programmable memory for its internal storage program, performs logical operations, sequential control, timing, counting and arithmetic operations, such as user-oriented instructions, and through digital or analog input/output control of various types of machinery or production processes. Mitsubishi PLC common in the Chinese market are the following models: FR-FX1N FR-FX1S FR-FX2N FR-FX3U FR-FX2NC FR-A FR-Q).