Aiming at shortage of supervisory and scheduling for alkali plant, An integration system of intranet and infranet based on SIEMENS S7 - 300 series is introduced in this article.

• 本文针对制碱企业监控和生产调度的不足,提出了由西门子S7-300系列产品为控制基础,建立企业内部网和控制网于一体集成系统。