this one for embedded prtocols foe vb

PID 控制器可是独立的控制器(也称为单回路控制器)，可编程控制器(PLCs)中的控制器，嵌入式控制器或者是用Vb或C#编写的计算机程序软件。-PID controllers can be stand-alone controllers (also called single loop controllers),controllers in PLCs, embedded controllers, or software in Visual Basic or C# computer