The module connection type. Currently there is only support for RTU and TCP type connections.
| Enumerator |
|---|
| NO_CONNECT | Connection not open.
|
| MODBUS_RTU | An RTU type connection. 232, 485, USB.
|
| MODBUS_TCP | An Ethernet connection.
|
| FTDI_DIRECT | A SeaDAC Lite direct USB connection type.
|