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Development of a new discharge control system for JT-60 with a unix workstation and a VME-bus system

T. Totsuka, H. Akasaka, M. Sueoka, S. Takano, I. Yonekawa2002年Fusion Engineering and DesignIF 1.7出版社

AbstractThe old discharge control system (DCS) with HIDIC-80E mini-computer has been replaced by a control system with a unix workstation and a VME-bus system. Functionally, the workstation performs message communication with VME controller on the network, data processing using plant data and data acquisition. The commands and receiving the status data in real time. The new DCS is flexible for system extension and able to quickly respond to various requirements of software modifications. The data acquisition speed has been improved by almost a factor of two over the old one. Troubles and countermeasures experienced in the replacement work are also presented.

日本語訳

旧DCS(HIDIC-80Eミニコンピュータによる制御システム)は、UNIXワークステーションとVMEバスを採用した制御システムに置き換えられた。機能的には、ワークステーションがVMEコントローラとのメッセージ通信、プラントデータを用いたデータ処理、データ収集を実行する。コマンドの送信とステータスデータの受信はリアルタイムで行われる。新DCSはシステム拡張に柔軟に対応でき、ソフトウェア変更に対する多様な要求に迅速に応えることができる。データ収集速度は旧システムと比較して約2倍に向上した。また、置き換え作業中に経験したトラブルとその対策についても紹介する。

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