In order for an I/O device to communicate with its I/O device driver tag, the I/O device must be attached to a serial port on your PC. In order for your VTS application to facilitate communications between the I/O device and its I/O device driver tag, a port tag must be configured to open the port to which the I/O device is attached.
VTS comes equipped with the following port tag types.
|
Port Tag Type |
Description |
|
Serial Port |
Serial port tags open the serial port to which your I/O device is attached so that it can communicate with your PC. Serial port tags enable your I/O device and your I/O device driver tag to exchange data. |
|
TCP/IP Port |
TCP/IP port tags allow you to connect your VTS application to equipment via an Ethernet connection. |
|
UDP/IP Port |
User Datagram Protocol over IP. Provides for direct transmission of datagrams over an IP network, but does not provide error reporting. |