改性沥青设备中PLC控制系统的可靠性设计

Reliability design of PLC control system in bitumen modification equipment

提出了PLC电控系统应用中的可靠性问题,分析了电控系统的传统可靠性设计因素,并针对PLC的特点,详细论述了各种可靠性设计在提高PLC控制系统中的作用。

An issue on reliability of PLC control system is raised and factors in conventional reliability design of the system are analysed. In combination with PLC's characteristics, the article details effects of various reliability designs on PLC system.