Daktronics Galaxy AF-3400 Series, Display Manual

Page: 89 / 93

p. 4 of 6
Optional Temperature Sensor Mounting
p. 4 ED-14377-Rev4
3 October 2007
Using more than 25-feet of cable
To meet customer needs, Daktronics has designed extension cables that allow extra length
from the sensor to the display without separate rewiring. These cables contain the correct
circular ends to be used with the quick-connect cable and quick-connect input. Refer to the
parts list in
Section 1.1 for the cable options available.
If 22 AWG shielded cable is used instead of the cable extensions, follow these steps:
1. Run 1/2” conduit from the temperature sensor to a knockout on the back of the
primary display. The cable must be routed through 1/2” metal conduit that should
be earth-grounded to protect the sensor and controller from lightning damage.
2. Use a 2-pair 22 AWG individually shielded cable to connect the sensor to the 8-
position terminal block in the display labeled “CAN US/DS” (A31/TB4). Connect to
the controller as shown in
Figure 8 .
3. Open the temperature sensor housing by removing the four nuts from the bottom
and then removing the five bottom disks. Refer to
Drawing A-198371 for details on
sensor housing disassembly.
4. Disconnect the quick-connect temperature sensor cable from the terminal block in the
temperature sensor housing.
5. Connect the cable coming from the display’s terminal block to the temperature
sensor board in the temperature sensor housing. Refer to
Figure 8 and table below
for wiring locations at the sensor and to the controller.
6. Make sure to route cable around the sensor board as shown in Drawing A-197884 .
Connect the cable and reassemble the sensor. Refer to Figure 8 and to the table below
for the temperature sensor wiring.
Note: The cable length from the sensor to the display should not exceed 500 feet.
Figure 8: CAN Temperature Sensor Connection