上电及下载程序时控制器的数字量输出设计

The Design of Digital Output of Controller When Power-on and Downloading the Program

通过简单电路设计,控制工业控制器在上电及下载程序时的数字量输出瞬态跳变,规避继电器误动作,增加系统的安全性。

By a simple circuit design,control the controller＇s digital output when power-on and downloading the program.We can avoid the relay＇s misoperation and increase the system＇s security.