Description
在正常情况下运行50s后,它驱动的部件使限位开关动作,发出动作结束信号。若该执行机构的动作时间超过60s(即对应定时器的设定时间),PLC还没有接收到动作结束信号,定时器延时接通的常开触点发出故障信号,该信号停止正常的循环程序,启动报警和故障显示程序,使操作人员和维修人员能迅速判别故障的种类
GENERAL ELECTRIC DS3800NVAA USPP DS3800NVAA
General Electric DS3800NPRB1A1A Circuit Board NEW
General Electric DS3800HCMA1E1G Comm Board Free Ship
GENERAL ELECTRIC DS3800DGRA1E1C USPP DS3800DGRA1E1C
GENERAL ELECTRIC DS3800HCMA1E1G USPP DS3800HCMA1E1G