摘要
针对大型PLC系统故障逐年增多、维护成本高的问题,给出了大型PLC系统不停产状态下的升级改造方法。
According to the problems from the large PLC system in the aspects of increased faults every year and higher maintenance costs,this paper gives an upgrading method for Large PLC System without discontinued production.
出处
《港口装卸》
2014年第5期50-51,共2页
Port Operation
关键词
PLC系统
通讯组态
数据格式
寻址方式
PLC system
communication configuration
data formats
addressing mode
