Extended Maintenance Concept - Siemens SIMATIC ET 200AL System Manual

Diagnostics and maintenance

4.6 Extended maintenance concept

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- 5 Classification of the diagnostic status
Diagnostic status
Good
Maintenance
required
Maintenance
demanded
Bad
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.
106
Symbol
Green checkmark
Green wrench
Yellow wrench
Red wrench
Severity of the error
PROFINET with STEP 7 V15
Function Manual, 12/2017, A5E03444486-AH