摘要
文介绍了三菱FX系列PLC在SC-09下的通信协议与指令,并利用VB6.0的MSComm控件进行串行通信程序的设计。该通信程序能读写FX全系列PLC内部各种软设备,强制复位与置位位映象元件。
In this paper, introduces the Communication protocols and instructions of MITSUBISH FX series PLC with programming cable SC-09, and uses MSComm control box of VB6.0 to design the serial port communication program. The communication program can read or write each soft device inside FX series PLC, and allow individual bit images to be forced ON or OFF.
出处
《微计算机信息》
北大核心
2007年第03S期69-71,共3页
Control & Automation
