Used to set parameters related to the device's two serial ports and three ethernet ports. COM0 is the RS-232 port and COM1 is the RS-485 port. C0M2 to COM4 are ethernet ports.
| Baud Rate | Baud rate in bits per second (bps). Most common is 9600 bps. |
| Parity | Type of parity. N = no parity, O = odd parity, E = even parity. Most common is 'N'. |
| Data | Number of data bits. Most common is 8. |
| Stop | Number of stop bits. Most common is 1. |
| Timeout | Milliseconds to wait until the start of message. If no data is received in this amount of time the read operation is cancelled. |
| Protocol | Select the TCP choice for Modbus via TCP or the MTCP choice for Modbus TCP. |
| IP Address | IP address of the mobus slave to connect to. |
| Port # | IP port number of the modbus slave to connect to. |
| Timeout | Milliseconds to wait until the start of message. If no data is received in this amount of time the read operation is cancelled. In range 100 to 30000 milliseconds. |