Daktronics AB-1010 User Manual
Page 29

Maintenance &
4-5
LED
Function
Name
Operation
PWR
Controller has power
Always On
RUN
Controller is running
Flashes approximately once per second
LGHT
Light Detector Input
Light Level=Flash Rate
TEMP
Temp Sensor Input
Temperature=Flash Rate
RX2
Data In – COM1
On while Communicating
RX2
Data In – COM2
On while Communicating
The W1 and W2 jumpers
on the controller board
must be ON for modem
communication and OFF
r
RS422 and fiber optic.
switches are on the
addresses.
fo all others: RS232,
Before this display can be
run in a sign network it
must have an address. The
display address can be set
using the DIP switches on
the MDC board. The
underside of the MDC
board near TB7 of the controller board. The following table lists the switch setting for various
Figure 16: Controller Board
Address Switch
Switch
Switch
Switch
Switch
Switch
Sw
8
7
6
5
4
3
itch
2
Switch
1
1
OFF OFF OFF OFF OFF OFF OFF ON
2
OFF OFF OFF OFF OFF OFF ON OFF
3
OFF OFF OFF OFF OFF OFF ON ON
4
OFF OFF OFF OFF OFF ON OFF OFF
5
OFF OFF OFF ON OFF ON
OFF OFF
6
OFF OFF OFF OFF OFF ON ON OFF
7
OFF OFF OFF OFF OFF ON ON ON
8
OFF OFF OFF OFF ON OFF OFF OFF
9
OFF OFF OFF OFF ON OFF OFF ON
10 OFF OFF OFF OFF ON OFF ON OFF
11 OFF OFF OFF OFF ON OFF ON ON
... ... ... ... ... ... ... ... ...
127 OFF
ON ON ON ON ON ON ON
If ever the need arises to replace the Venus 1500 display controller, make sure the DIP switches
on the MDC are set for the same address as the old controller.
The controller board is one functional unit and must be replaced as a single device.
Troubleshooting