System overview
4.4 CPUs
Automation system
64 System Manual, 01/2023, A5E03461182-AK
4.4.6 Diagnostics
Integrated diagnostics across all levels of the automation is incorporated in the SIMATIC
S7-1500 automation system. All SIMATIC products have integrated diagnostic functions
which you can use to analyze and localize faults and errors efficiently. This reduces the
commissioning periods required and minimizes standstill times in production.
A uniform display concept ensures that error messages in the STEP 7, on the HMI, the Web
server and in the display of the CPU are visualized identically as plain text information.
You can optionally configure machine and plant diagnostics. This means that the logic of
these process diagnostic messages or monitoring depends directly on the state of the plant
and is defined by you.
Monitoring functions are integrated in the hardware as standard.
Diagnostics is implemented system-wide across bus limits.
Output of the cause of the error in plain text, archiving and logging of alarms
Automatic localization of the error source
Configurability of alarms
Plant-wide, uniform display of system status
Figure 4-18 Display of diagnostic information
Faults in the plant are immediately detected and reported on the display devices, even in
STOP mode. As a result, system diagnostics is always consistent with the actual state of the
plant.
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