Description
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,及时采取排除故障的措施。
ABB OES600J3 600A DISCONNECT SWITCH W/ FUSES LPJ-450SP
TRANE TR1 VFD 25HP 18.5KW TR16027GT4CN1STR0DLF00A00C0
NEW FOXBORO 136-5-1 13651 136 COMPUTING RELAY
NEW FOXBORO 136-1 1361 136 COMPUTING RELAY NEW
Reliance Snubber Resistor 2SR21200 D2-3291 230v NEW
NEW ALLEN BRADLEY 810-A09A 810A09A SER B RELAY NIB