Ampcontrol VAA, User Manual

Page: 55 / 81

VOICECOM USER MANUAL ISSUE 4
-53-
I.S. 12Vdc to 18Vdc supply must be connected between the KP3 and COM terminals of the IS EXT KEYPAD
interface on the back of the VCA. The supply positive is connected to terminal KP3. The supply negative is
connected to the COM terminal. Once the Lock input has been asserted the VCA Message Bank page will
appear as shown in the figure on the right. Refer to the Installation and Wiring chapter of this manual for more
information on wiring the Lock input.
5. Start the VoiceCom Message Bank Editor PC program and open the Message Bank file you wish to download.
6. Open the VCA menu and select the “Connection Settings…” option. This will open the Setup Communications
window shown in Figure 40.
7. The Port selection sets the serial COM port on the PC used to connect to the VCA. Most PCs usually have one
or two serial COM ports and they should be labelled. If the PC only has one COM port, this port is usually
referred to as COM 1. Check that the Port number is set to the COM port to which the VCA is connected.
NOTE : Some newer PC laptops do not have a serial COM port. A USB to serial adaptor can be used to connect
to a VCA.
8. Check that the Baud rate communication setting in the Setup Communications window is set to the same rate as
the VCA, as shown in Figure 41. The VCA’s serial baud rate is displayed on the VCA Message Bank page. By
default this should be set to 115.2kbps, the maximum baud rate supported by most PC serial ports. The baud
rate can also be set to 57.6k and 28.8k. Some PCs may be equipped with a high-speed serial port that supports
a baud rate of 230.4kbps. Both the VCA Message Bank Editor and the VCA can be set to this higher baud rate.
9.
Click the Connected check box to establish communication between the PC and the VCA. This should cause
the Send and Receive boxes to flash green, as shown in Figure 42. The
VCA connection status box at the bottom left corner of the main window
should also turn green and read Connected to indicate that the connection
has been established, again shown in Figure 42. At the same time the VCA
Message Bank page will display the text “Rec. Idle Command”, indicating
that it communicating with the PC, shown in the figure on the right.
Figure 40 - Setup Communications window
1 VCA Message Bank
* No Msgs Can Play *
Baud Rate:[115k2bps]
Figure 41 - Setting the Baud Rate
Figure 42 - PC to VCA Communication Indication
1 VCA Message Bank
Rec. Idle Command
* No Msgs Can Play *
Baud Rate:[115k2bps]