描述
根据统计资料表明：在PLC控制系统的故障中，CPU占5%，I/O接口占15%，输入设备占45%，输出设备占30%，线路占5%。前二项共20%故障属于PLC的内部故障，它可通过PLC本身的软、硬件实现检测、处理；而其余80%的故障属于PLC的外部故障。因此，PLC生产厂家都致力于研制、发展用于检测外部故障的专用智能模块，进一步提高系统的可靠性。
KLA-Tencor 2365-UI Control Module Board 710-734976-001
KLA-Tencor CRS1010 Turret Optics PCB 000676 working
KLA-Tencor Marway 230V Power Strip 0046059-000 New
KLA-Tencor AIT 2 U500 Control Board 690D1470 working
KLA-Tencor CRS1010 Solenoid PCB Assy. 000678 working
KLA-Tencor SLX Preamp Assy. 775-334268-000 untested
KLA-Tencor AIT 1 Power Supply Module working
Pair KLA-Tencor 525227 AB AIT 2 Video Switch Working
KLA-Tencor CRS1010 Solenoid PCB 000678T working
KLA-Tencor CRS1010 A-Stop Control PCB 001002 working
KLA-Tencor CRS1010 Lens Filter Assy. 000056 working
