8 Operation at Use of a PC
8.5 Maintenance
264 SICAM Q100, 7KG95xx, Device Manual
E50417-H1040-C522-A4, Edition 03.2018
8.5.6.2 Diagnosis Modbus RTU Master
✧ In the navigation window, click the Diagnosis menu and the menu item Modbus RTU Master.
The input/output window of the Modbus RTU Master opens and the Modbus RTU Master protocol is
displayed. The diagnosis for Modbus RTU Master and Modbus Gateway provides the following
information:
Check of the state of the serial communication with telegram and error counters and an overview of
the set serial interface parameters.
Overview of what request telegrams are sent by the Modbus RTU Master including request status for
every telegram.
Overview of the last 5 telegrams sent by Modbus Gateway (only available if the Modbus Gateway
function has been activated).
Figure 8-112 Maintenance Tab, Diagnosis Modbus RTU Master Input/Output Window
✧ To clear the counters for Modbus RTU Master, click Clear counters.
All counters for Modbus RTU Master are reset to 0.
NOTE
The diagnostics data of Modbus RTU Master are displayed only if this bus protocol has been selected in the
tab Configure Menu Administrative Element Serial communication.
If this bus protocol has not been selected, the menu option for selecting the Modbus RTU Master diagnostics
data is not available.
NOTE
The system manual gives more details about diagnosing Modbus RTU Master.
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