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安全可靠是选用ＤＣＳ首要考虑的问题。本文分析西门子ＴＥＬＥＰＥＲＭＭ过程控制系统的核心部分——ＡＳ自动系统，从安全可靠性角度就自动系统进行了分析和评价。
Safe and reliable selection of DCS is the primary consideration. This article analyzes Siemens TELEPERMM process control system is the core part - AS automatic system, from the perspective of safety and reliability of automatic systems were analyzed and evaluated.