7 Operation at Use of a PC
7.3 Configuration of the Device
171SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
To change the serial communication settings, proceed as follows:
✧ In the navigation window, select the Administratives menu and click Communication serial.
The Communication serial input/output window opens.
✧ In the Bus protocol list box select one of the entries Modbus RTU, IEC 60870-5-103 or none.
If you select -none-, no protocol will be available. Click Send in this case.
✧ If you select Modbus RTU or IEC 60870-5-103 (available depending on the device variant), set the
parameters for the corresponding protocol as follows:
Serial Communication via the Modbus RTU Protocol
Figure 7-54 Configure Tab, Communication Serial via Modbus RTU Input/Output Window
✧ Enter the desired values into the fields and select the corresponding parameters in the list boxes as
described in Table 7-23.
✧ After the parameterization click Send.
After clicking Send, the parameters are transmitted to the device but not enabled yet (passive set of
parameters).
✧ If you do not want to make any additional settings, continue with the Activation of the device configuration
according to section Activating the Set of Parameters. If you want to change other settings, enter the
changes and then enable the device configuration as described in section Activating the Set of
Parameters.
NOTE
For the serial communication via IEC 60870-5-103, the parity is permanently set to even.
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