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介绍日本三菱PLC定位控制单元的特点，并将其应用于特形面数控刨床数控系统的开发与研制中，简化了控制系统，提高了可靠性与灵活性。拓展了PLC系列单元或模块的应用领域。
The characteristics of the positioning control unit of Mitsubishi PLC in Japan are introduced and applied to the development and development of numerical control planing machine with special surface profile, which simplifies the control system and improves the reliability and flexibility. Expand the application of PLC series unit or module.