Once a wrong instruction is executed, the monitor circuit can detect it in time and apply non - maskable interrupt program to deal with it according to the system s configuration.

• 一旦执行了错误指令,监视电路能及时发现,并根据控制系统的特性,由相应的非屏蔽中断程序进行相应的处理,使控制程序自恢复、系统复位或停机报警。