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PROFIBUS现场总线技术的应用情况,PROFIBUS总线特点和连接方式。针对苯酚装置氧化尾气治理的工艺要求,采用西门子PLC系统与现有DCS系统通信的控制方案,现场总线技术实现了氧化尾气的有效治理目标。
PROFIBUS field bus technology application situation, PROFIBUS main line characteristic and connection way. Aiming at the technical requirements of oxidation tail gas treatment of phenol plant, the control scheme of communication between Siemens PLC system and the existing DCS system is adopted. The field bus technology realizes the target of effective oxidation tail gas treatment.