Device Configuration Serial Port Tabs
The device configuration item allows you to configure up to 4 serial ports. Each Port tab allows you to select a Port Function, which determines the configuration sections that are displayed for each function.

Serial ports 1 an 2 can be configured using the Port Functions shown below:

Serial ports 3 and 4 can be configured using the Port Functions shown below:
The following table details the Port functions and lists the associated Port Modes that can be configured for each port function.
For more information, see the topics that are listed in the gray footer section at the bottom of this topic. Select the relevant entry to display the topic that you require.
Port Functions | Port Modes - Serial Tabs 1 and 2 |
Port Modes - Serial Tabs 3 and 4 |
---|---|---|
DNP3 |
Dialup Modem |
RS485 2 wire |
Command Line |
RS232 (RTS Off) RS232 (RTS On) |
RS232 |
COM User(Function Block) |
RS232 (RTS Off) RS232 (RTS On) RS232 (RTS Keyed) |
RS232 RS485 2 wire |
PPP/TCPIP |
RS232 (RTS On) PPP Modem |
This port function is not available for Ports 3 and 4. |
Terminal Server |
RS232 (RTS Off) RS232 (RTS On) RS232 (RTS Keyed) |
RS232 RS485 2 wire |
Modbus |
RS232 (RTS Off) RS232 (RTS On) RS232 (RTS Keyed) |
RS232 RS485 2 wire |