Take a look on the following video from Siemens serial: “Automation Tasks in Ten Minutes or Less “. The main idea of the video is to provide you an information about: Topology Diagnostic.
“Automation Tasks in Ten Minutes or Less” is a series of videos created by Siemens, that demonstrate the simplicity of the Siemens´s programmable locig controller PLC S7-1200 and S7-1500. New features that save the programmers time are presented in the videos.
More information: siemens.com/Tia portal