The system is composed of three subsystems, they are the signal monitor subsystem, the PLC (the Programmable Logical Controller) one and the host computer control ore.

该自动化系统分为信号监测、PLC(可编程逻辑控制器)控制、上位机控制三大部分。

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Existing design methods for discrete event control system (DECS) implemented with programmable logical controller (PLC) have disadvantages in efficiency and ease of use.

对于采用可编程逻辑控制器(PLC)实现的复杂离散事件控制系统(DECS)，现有设计方法在效率和易用性等方面存在不足。

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A kind of single axle console with control unit of programmable logical controller (PLC) is introduced.

研制了一种以可编程控制器(PLC)作为控制单元的单轴控制台。

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