Service and maintenance
5.2 Diagnostics
SIMATIC RF120C
30 Operating Instructions, 02/2021, C79000-G8976-C328-03
Procedure
Proceed as follows to read the diagnostic status of the RF120C using STEP 7 Basic /
Professional (TIA Portal):
1. Change to the Project view.
2. Right-click on the desired communications module and click on "Online & Diagnostics" in the
shortcut menu.
3. Select the "Diagnostics" option.
The diagnostics window provides you with the following options for diagnostics of the
communications module:
– The identifier and the firmware version of the communications module are displayed
under the "General" entry.
– Under the "Diagnostic status" entry, you can see current status information of the
communications module.
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