Daktronics Galaxy AF-3155, Manual

Page: 12 / 87

Control Area Network: Serial Communication Protocol supporting distributed real-
time control and multiplexing. The temperature and light sensors use this type of
protocol.
Display Address: The display address is an identification number assigned to each
display of a network. Rotating the address switches on the controller sets the display
address. The control software uses the address to locate and communicate with each
display. Displays that are on the same network cannot have the same address.
Driver/Pixel Board: The LED pixels are mounted directly onto the driver/pixel
board. This board is also responsible for the switching and intensity levels of the
LEDs.
Galaxy
®
: Daktronics trademarked name for LED monochrome, tri-colored, or RGB
matrix displays.
LED (light emitting diode): Low energy, high intensity lighting units.
Louver:
Black plastic shade positioned horizontally above each pixel row. The
louvers increase the level of contrast on the display face and direct LED light.
Module:
20mm Galaxy
®
modules are 16 pixels high by 16 pixels wide. Each is
individually removable from the front of the display.
Figure 3: 20mm 16x16 Module
Module Latch Assembly: Device utilizing a rotating retainer bar to hold the module
firmly to the display frame. There are two per module: one near the top and one near
the bottom of each module. Use a 1/8" Allen wrench to turn the retaining bar.
Network:
A network consists of multiple displays connected to each other. Up to
240 displays can exist on one network.
Introduction
1-6