Vega WHA-GW-WIRELESSHART GATEWAY Bedienungsanleitung PDF herunterladen (Seite 36)

WHA-GW-*

Commissioning

221981 2011-07

4.4 Connecting via RS485

Once the Gateway has been connected to the RS485 bus (see chapter 3.4), you may

connect the RS485 bus to your PC. This can be done by using a RS485–RS232 converter

or a RS485–USB converter.

Connecting via RS485

1. Connect the RS485–RS232 converter or the RS485–USB converter to your PC.

2. To find out to which COM port the converter is connected, open the Windows

device

manager (Windows XP: Start > Settings > Control Panel > System > Hardware > Device

Manager).

3. Under "Ports (COM & LPT)" you should see the converter and the COM port assigned

to it (see on page 36). You will need the COM port number later on.

View of the USB converter in the Windows

device manager

Note!

The usage of an approved RS-485 converter is recommended for faster configuration and

more reliable high-speed operation. In addition, the usage of a galvanically isolated RS-

485 converter is strongly recommended for permanent installations.

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Vega WHA-GW-WIRELESSHART GATEWAY Bedienungsanleitung Seite 36