Daktronics DF-12xx - Manual (Page 15)

Electrical Installation 2-3
2.4 Signal Connection
Reference Drawings
4 Column MASC LED Driver Specifications ................Drawing A-166216
Enclosed Driver, 4 Column Reference ........................Drawing A-184918
Shop Dwg, DF-1219, 18” Drop-in w/ BL Grade ID ......Drawing B-225876
Route power and signal cables into the display from the side or rear. There are
knockouts for
1 /
2
" and 3 /
4
" conduit fittings on the sides of all DataMaster cabinets
and on the back panels. All power and signal wiring terminates at the driver
enclosure.
To gain access to the driver enclosure, open the access door and remove the cover
from the enclosure. Refer to Drawing-225876 for the access location for your sign.
For this display, access to the interior components is gained by removing the screws
from the hinged door.
Refer to Drawing-225876 for a complete review of power and signal connections
for Gasoline Price displays.
Current Loop (Direct)
Reference Drawings:
Riser Diagram, Outdoor Wire Control..........................Drawing A-164988
Riser Diagram, Indoor Wire Control.............................Drawing A-175342
Enclosed Driver, 4 Column ..........................................Drawing A-184918
A direct controlled display uses a current loop connection from the j-box at the base
of the display to the driver enclosure in the sign. All the power and signal wiring
Figure 1: DataMaster Driver Enclosure with 4-Column Driver