大同特殊鋼におけるプロコンシステムへのオープン化技術適用

概要

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Since 1980, about ninety computerized process control systems have been installed at Daido Steel Co., Ltd.. They have contributed to promotion of automated manufacturing . They involve several problems as follows, because these systems were built on proprietary environments provided from different suppliers: (1) To study new development at every time of computer model change. (2) Maintenance education for new environment. (3) Same restructuring cost required as origination. The above problems are common in computer industry. In recent years, computer manufacturers have developed the open-development-environments like UNIX in the area of process computer to resolve the problems. Open-System-Technology has been applied in our process control computer systems to save the cost and improve the performance, and intro-
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