摘要
文中阐述了在PLC系统中实现流量累计功能的3种途径,而且着重介绍了PLC组态梯形图实现流量累计功能的方法,并对这3种方法的优缺点进行对比。
Three ways for the realization of flow accumulation function in PLC system is expounded, the method for realization of flow accumulation on PLC configuration trapezoidal diagram is emphasized, and the advantage and disadvantage of the 3 methods are compared.
出处
《炼油与化工》
2007年第3期50-51,共2页
Refining And Chemical Industry
关键词
PLC
流量累计
上位机
PLC
flow accumulation
master computer
