摘要abstract
本文通过艾默生PLC和多台变频器组网通信控制编程(以MODBUS协议方式)为例,说明PLC和多台变频器网络控制的通信程序的设计方法。
Serves to illuminate design of communication program based on PLC and multi converter network control, by taking the match under MODBUS mode
关键词:艾默生PLC,变频器,MODBUS协议,连续命令序列,随机命令序列
KEY WORDS:EMERSON PLC,INVERTER,MODBUS PROTOCOL, a series of orders, incidental orders