PLC系统在冷冻机控制系统改造中的应用

摘要

Combined with the PLC improvement of refrigerator control system of a rubber plant,this paper expounded the problems existed in the refrigerator control system,proposed improvement measures,introduced the construction of Rockwell PLC,and discussed the control logic of the refrigerator.%结合某橡胶装置冷冻机控制系统的PLC改造，阐述了冷冻机控制系统存在的问题，并提出了改进的措施；介绍了罗克韦尔PLC系统的构成及控制逻辑的分析。