描述
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。
APPLIED MATERIALS (AMAT) 200MM FACEPLATE P/N 0040-70319
VARIAN PARTICLE, DUMP E17133880
AMAT KIT, TROUBLESHOOT, WET ROBOT, CU, 300MM 0240-42674
AMAT KIT, TROUBLESHOOT, WET ROBOT, NON-CU 3 00240-42675
APPLIED MATERIALS (AMAT) UPPER SHOWER HEAD 0040-89773
APPLIED MATERIALS (AMAT) MAGNET DRIVER P/N 0190-16633
APPLIED MATERIALS (AMAT) NF SENSOR ASSY P/N 0620-00928
AMAT TWO CHANNEL MAGNET DRIVER SPECIFICATION 0190-16633
VARIAN PCB THERMOCOUPLE INTERFACE EATON 1522921
APPLIED MATERIALS (AMAT) PADDLE ASSY P/N 0190-03926
SEMITOOL FACILITY I/O BLOCK BRD P/N 23806-501 – NEW
