What is the name and function of this pattern in the block diagram?

[Peter9911]

What is the name and function of this pattern in the block diagram?

Thank you very much for your help!

[GerdW · Accepted solution]

Hi Peter,

can't you use the context help to look for those information?

The subVI is called "Plant Simulator" and it's part of the PID examples coming with LabVIEW, one of them being the "PID with Noise Plant"….

[Peter9911]

Thank you very much!