System Diagnostics By Means Of The User Program - Siemens SIMATIC ET 200AL System Manual

Diagnostics of the S7-1500R/H redundant system

7.6 System diagnostics by means of the user program

Reference
You can evaluate the diagnostics using the displays of the CPUs via the "Diagnostics" menu
as with standard CPUs. You can find additional information in the section Display of the CPU
(Page 27).
7.6 System diagnostics by means of the user program
Instructions
Instructions for determining the system diagnostics are listed in the section System
diagnostics options in the user program (Page 71).
The following instruction for diagnostics cannot be used for S7-1500R/H redundant systems:
● DPNRM_DG: Read diagnostics data from a DP slave
Organization blocks
You can find the description of the applicable OBs for S7-1500R/H in the S7-1500R/H
redundant system (https://support.industry.siemens.com/cs/ww/en/view/109754833) system
manual.
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Function Manual, 11/2019, A5E03735838-AF
Diagnostics