Electric control system of hydraulic experiment table
一种电气控制系统、控制系统的技术,应用在机械领域,能够解决继电器使用寿命短、不能满足液压实验台实验要求、控制不准确等问题,达到控制准确及时、简单自诊断能力、运行稳定可靠的效果
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[0015] The present invention will be further described below in conjunction with drawings and embodiments.
[0016] Such as figure 1 , Programmable logic controller (PLC) is an electronic system that performs digital operations. It is mainly used in industrial production. It takes a microprocessor as the core and combines computer technology, automation control technology and communication technology in one, because PLC has the characteristics of small size, strong anti-interference ability, powerful function, simple program, flexible and versatile, and convenient maintenance, which makes PLC one of the most widely used controllers in industrial automation process control.
[0017] The automatic control system with PLC as the core has fundamentally replaced the traditional relay control system. The realization principle of the traditional relay control system is to realize the entire control logic through wiring, while the control logic of the PLC control system is all reflec...
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