Diagnosis in the user program

Hello SIOS-Forum-Community

At the SIMATIC S7-300/400 under Step 7 5.x a bus diagnosis was realized with the block FB126 (formerly also FB125) and a visualization template. In the following application example this is shown on the basis of FB126

Diagnostic package PNIODiag for diagnostic evaluation for PROFIBUS DP and PROFINET IO (STEP 7 V5.x)

How is this implemented in the TIA Portal today and is it also available for the successor of the S7-300, the S7-1500? These are questions we are asked and the following example provides the relevant information:

Diagnostics in User Program with S7-1500

More information about the integrated system diagnostics can be found in the article:

System Diagnostics with S7-1500 and TIA Portal

Note

The procedure described in this article refers to the time of writing this article (status: January 2022).

Yours sincerely

SIMATIC International Technical Support Hub