Siemens SICAM 7KG85X - Diagnosis of the Modbus RTU Slave

Diagnosis of the Modbus RTU Slave
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NOTE
The diagnostic data of Modbus RTU (slave) is displayed only if Modbus RTU has been selected as a bus
protocol in Configuration > Basic configuration > Communication serial.
If the Modbus RTU (slave) has not been selected, the menu option for selecting the Modbus RTU diagnostic
data is not available.
To view the diagnosis of the protocol Modbus RTU (slave) in the Maintenance tab, proceed as follows:
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In the navigation window, click Modbus.
The diagnosis of Modbus RTU (slave) provides the following information:
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Serial interface
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Serial server
[sc_diagnosis_Modbus_RTU, 1, en_US]
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To clear the counters for Modbus RTU (slave), click Clear counters.
All counters for Modbus RTU (slave) are reset to 0.
Serial Interface
Table 2-23
Description of the Parameters in the Serial Interface
Parameter Description
Received bytes Total number of bytes received by the RS485 interface
Sent bytes Total number of bytes sent to the RS485 interface
Framing errors Number of detected frame errors (invalid stop bit, for example if the baud rate is
wrong)
Parity errors Number of detected parity errors (wrong parity)
2.7.1.4
Basic Functions
2.7 Serial Communication
76 SICAM, SICAM P850/P855 7KG85X, Manual
E50417-H1040-C482-A9, Edition 03.2022