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本文以啤酒在线CO2分析添加控制系统为例,介绍西门子S7功能块FB41的结构功能和如何在实际生产中实现PID实时控制。
This paper takes the online control system of beer online CO2 analysis as an example to introduce the structure and function of Siemens S7 FB41 and how to realize PID real-time control in actual production.