VB写的位置式PID算法公式源码，是仿照西门子PLC的PID公式写的，在网上碰到好多网友索要，现在公布出来，希望对大家有用-VB to write the position PID algorithm formula source, is modeled on the Siemens PLC PID formula writing, met a lot of friends in the online request, now published in the hope that useful

一个西门子plc编写的pid控制的例子，压缩文件里面是西门子代码，可以参考一下-project of a siemens pid application

温度PID控制功能块FB58使用入门 西门子自适应 以及C语言源代码-PID temperature control function block FB58 Getting Started Siemens adaptive and C language source code

西门子s7-300做的挤塑机程序，用来FB59，FB43，FB41等PID 调节模块。-Siemens s7-300 do extruder program for FB59, FB43, FB41, etc. PID regulation module.