- Enter Maintenance mode.
- On the Advanced settings page, press COM.
-
On the COM port settings page, select the COM port from the list on the left, if available. The current settings
are displayed on the right.
- To edit the settings of the selected COM port, press Change.
-
In the COM port settings, depending on the data type:
- Press the arrow to open the list and select from the list of options.
- Press the data field to open the typing pad. When finished, press OK.
- Connection type
- Select the RS connection type from the available options, for example, RS‑485 2‑w for 2‑wire RS‑485.
- Speed (baud)
- Bit rate setting for the serial port (default = 4800).
- Data bits
- Data bit setting for the serial port (default = 8).
- Parity
- Parity settings for the serial port (default = None).
- Stop bits
- Stop bit setting for the serial port (default = 1).
- Delay before (m/s)
- The turnaround delay of the RS‑485 driver before sending data.
- Delay after (m/s)
- The turnaround delay of the RS‑485 driver after sending data.
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To save the changes, press Apply.
The changes are valid only after pressing Apply.