CSH01.3C-ET-ENS-NNN-CCD-NN-S-NN-FW Rexroth

DS200GASCF1AEP GE
DS200GASCF1AFB GE PLC
DS200GASCF1AFE GE
DS200GASCF1BEL GE PLC
DS200GASCF1BGB GE
DS200GASCF1BGC GE

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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。

National Instruments PXI-8420 PCB & Software 777733-02

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