S7系列PLC电气控制设计与应用第9讲S7-300的PID工程应用

摘要

PID automatic control system is very common for S7-300/400 PLC. It has a dedicated PID control packet, ie the function block (FB). This article describes the engineering applications of S7-300 PID.%PID在自动控制系统中非常普遍，对于S7-300/400 PLC来说，它有专用的PID控制包，即功能块(FB)。本文介绍了S7-300的PID工程应用。