A system will not be called as HMI/SCADA if it is not communicate with any external device. Port is the first channel to determine in accessing the external devices. A Port can be a serial communication port, or it can be an ethernet port, or any physical connectivity to the external devices, for instance a proprietary PCI device interface card.
| Parameter | Description |
|---|---|
| Name | A name to be referred from Device table. |
| description | Additional description. |
| Address | Physical port address. For instance, to specify serial port 1, type "COM1". And for Ethernet card, an I.P. address need to be entered, if port number is needed, it shall be separated by a column, e.g. "192.168.1.100:502" for Modbus TCP/IP server, or "localhost" for OPC server. |