Description
当启动该对象运行时,同时也启动该定时器。若该对象的运行程序在规定的时间结束工作,发出一个工作完成信号,使该定时器清零,说明这一对象的运行程序正常;否则,属运行不正常,发出报警信号或停机信号。监控程序的梯形图如图7所示。图7中定时器T1为检测元件,X001为控制对象动作信号
Cogent Cirrus Logic EP7312 Development System with CD
National Instruments PCI-MIO-16XE-10 I/O BoardCogent Cirrus Logic EP7312 Development System with CD
National Instruments PCI-MIO-16XE-10 I/O Board
JK Audio Remote Interface Unit
Marconi Fore Systems HE622 ATM Controller Adapter Card