10
VA-1USB-T/VA-1USB-R - Connecting the VA-1USB-T and VA-1USB-R
5.1
Connecting to the product via RS-232
You can connect to the
VA-1USB-T
/
VA-1USB-R
via an RS-232 connection using,
for example, a PC. Note that a null-modem adapter/connection is not required.
To connect to the
VA-1USB-T
/
VA-1USB-R
via RS-232:
Connect the RS-232 9-pin D-sub port on the
VA-1USB-T
/
VA-1USB-R
via a
9-wire, straight cable (only pin 2 to pin 2, pin 3 to pin 3, and pin 5 to pin 5
need to be connected) to the RS-232 9-pin D-sub port on your PC
5.2
Setting the Device ID DIP-switch
The Device ID DIP-switch is used on both the
VA-1USB-T
transmitter and
VA-1USB-R
receiver to set matching device numbers. This allows up to 16 pairs
of transmitters and receivers to communicate independently on the same TP
subnet.
Figure 6: Machine ID DIP-switch
Set each device in a transmitter and receiver pair to the same device ID according
to the following table. Press a switch up to turn it on and down to turn it off.
Device ID
Switch Number
1
2
3
4
0 (default)
Off
Off
Off
Off
1
Off
Off
Off
On
2
Off
Off
On
Off
3
Off
Off
On
On
4
Off
On
Off
Off
5
Off
On
Off
On
6
Off
On
On
Off
7
Off
On
On
On
8
On
Off
Off
Off
9
On
Off
Off
On