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Diagnostics
10.2
Diagnostics status
The severity of a diagnostic message is indicated by the diagnostic status.
Status
Description
Error
Error
The automation system/module is no longer ready for operation.
Urgent troubleshooting action required.
Warning
Warning
The automation system/module cannot be operated to its full extent.
Troubleshooting action required.
Maintenance
Maintenance
Maintenance required.
Information
Information
No action required.
Tab. 20: Diagnostic status
10.3
Grouping and overview of the diagnostics messages
The diagnostics messages are grouped according to their cause.
This grouping is visible in the corresponding overview:
– Grouped overview:
Main group | Sub-group | Error number
e.g. 02 | 01 | 0022
– Ungrouped overview:
diagnostics number
e.g. 33619990
The diagnostics messages are mapped within the Interfaces corresponding profiles of the Host-Sys-
teme and device profiles in use. If the Host-System or device profile only allows 16 bits, only the
unique error number is transferred.
The diagnostics number of the ungrouped overview is determined from the grouped overview as
follows:
1. Combine main group, sub-group and error number byte by byte as a hexadecimal 4-byte value:
– Main group = byte 4
– Sub-group = byte 3
– Error number = byte 2 and 1
2. The resultant hexadecimal 4-byte number displayed as a decimal number equals the diagnostics
number in the ungrouped overview.
The diagnostics categories listed are used in several product areas, including outside CPX-AP.
Depending on the specific product used, only parts of this complete list will be used.
Festo — CPX-AP-A — 2022-07
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