Diagnostics and maintenance
4.5 Diagnostics in STEP 7
PROFINET with STEP 7 V15
104 Function Manual, 12/2017, A5E03444486-AH
Online & diagnostics device view
In STEP 7, you can display an overview of the modules in which faults have occurred. To do
this, select the menu command "Online > Online & diagnostics". Once you are connected,
you can see the status of the accessible devices in the project tree.
Double-click the device which displays an alarm message to access the faulty module
directly. The device view is opened in the work area. In the device view of the device that
reports the fault you can see directly in which module the fault occurs.
Open the "Diagnostics" tab and the subordinate "Device information" tab in the Inspector
window for a more detailed error description.
Schematic drawing of the device view (online):
Figure 4-15 Online & diagnostics device view
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