Offline 1774 PLC reliability case study

Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting Pub Date : 1992-10-04 DOI:10.1109/IAS.1992.244211

E.C. Ugokwe

引用次数: 1

Abstract

A reliability study was made of a 1774 PLC used in an ingot plant's offline area to monitor and control material handling from the hot mill scalpers as well as the finishing-to-ingot-scrap-chip system. The study was prompted by a series of rampant failures. The author discusses the factors that led to the problems as well as the decisions resulting from the data analysis. Also included are information and field data provided by the manufacturer.<>

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离线1774 PLC可靠性案例研究

采用1774 PLC对某铸锭厂的脱机区域进行了可靠性研究，以监控热轧车间的物料处理以及精加工到钢锭废料到切屑系统。这项研究是由一系列猖獗的失败推动的。作者讨论了导致问题的因素以及从数据分析中得出的决策。还包括制造商提供的信息和现场数据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting

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