Special functions of a CPU 41x-H
6.6 Reading service data
S7-400H
86
System Manual, 03/2012, A5E00267695-11
6.6
Reading service data
Application case
If you need to contact Customer Support due to a service event, the department may require
specific diagnostic information on the CPU status of your system. This information is stored
in the diagnostic buffer and in the service data.
Select the "PLC -> Save service data" command to read this information and save the data
to two files. You can then send these to Customer Support.
Note the following:
●
If possible, save the service data immediately after the CPU goes into STOP or the
synchronization of a fault-tolerant system has been lost.
●
Always save the service data of both CPUs in an H system.
Procedure
1.
Select the "PLC > Save service data" command.
In the dialog box that opens up, select the file path and the file names.
2.
Save the files.
3.
Forward these files to Customer Support on request.
