Link-systems LinkNet II Manual do Utilizador descarregar pdf (Página 28)

4.5 Communications Port Configuration

LinkNet uses a standard RS-232

serial port (commonly called a “comm

port”) to communicate with the

machines on the factory floor via an

external RS-232 to RS-485 converter.

No boards have to be installed or

configured on the host computer. There

are typically two comm ports installed in

most computers, “COM1" and “COM2",

although others may be present as well.

An unused comm port must be available

for LinkNet to use.

Select “Configure” and then “Comm

Port” from the menu in LinkNet and a dialog box similar to Figure 4.9 should appear. Note that only

comm ports that are not currently in use (by anything other than LinkNet itself) show up in the “Comm

Port” list. Pick the comm port that will be used by LinkNet from the list and click on the “OK” button.

Figure 4.9: Communication Port Configuration Dialog Box

NOTE: The various timeouts and delays in this menu are present for troubleshooting

only. Do not change these values unless instructed to do so by a Link representative.

Doing so could render communications unstable or unusable!

Manual Version 1.1 10/28/2001

4.6

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Link-systems LinkNet II Manual do Utilizador Página 28