Diagnostics and maintenance
4.6 Extended maintenance concept
PROFINET with STEP 7
94
Function Manual, 05/2021, A5E03444486-AL
4.6
Extended maintenance concept
Extended maintenance concept
The PROFINET interfaces with integrated switch of the SIMATIC devices support the four-level
diagnostics concept in accordance with PROFINET specification Version V2.3 or higher with
the following status:
Table 4- 3
Classification of the diagnostic status
Diagnostic status
Symbol
Severity of the error
Good
Green checkmark
Maintenance
required
Green wrench
Maintenance
demanded
Yellow wrench
Bad
Red wrench
The aim of the diagnostics concept is the early detection and elimination of potential faults -
before they cause a production outage.
Other status information is defined in addition to the Good (no fault) and Bad (fault) status
information for a PROFINET device.
The maintenance information is generated with the following system alarms:
•
Maintenance required (symbolized by a green wrench) and
•
Maintenance demanded (symbolized by a yellow wrench)
The times at which the two system alarms are generated can be customized for most wear
parameters.
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