Description
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
NIB Allen Bradley Hart Analog Input 1756-IF8H 07/09
Emerson Programmable Motion Controller IBS-11
***FS*** Allen Bradley 24VDC I/O Block 1791DS-IB4XOW4
Allen Bradley Vision Processor Module # 5370-CVIM2BC
**NIB** Procunier 12002 Style E Tapping Attachment
