Daktronics Galaxy AF-3112 Primary Series, Руководство пользователя

Страница: 12 / 67

Mirror: The second display in a Primary-Mirror configuration that does not have a
controller. All signal information to the display is received though a signal inter-
connect cable.
Module:
34mm Galaxy
®
modules are 8 pixels high by 16 pixels wide. Each is
individually removable from the inside of the door of the display. The module for the
AF-3112 is one unit with both the LEDs and the driver making up one module. Refer
to
Figure 3
below.
Figure 3: 34mm Module
Network: A network consists of multiple displays connected to each other. Up to
240 displays can exist on one network.
Pixel: There are two LEDs per pixel. The number and color of the LEDs depend on
display application.
Power Supply:
Converts AC line voltage from the load center to low DC voltage for
one or more module driver boards.
Primary: The first display in a Primary-Mirror or Primary-Secondary configuration.
The communication inputs and the light sensor will be connected to this display.
Router: This device forwards data packets along networks and provides additional
security.
Figure 4: RS232 to RS422 Signal
Converter
RS232: RS232 is a standard PC communication type with a
maximum cable length of 25 feet (7.6 meters)
RS422: RS422 is a standard differential communication
type with a maximum cable length of 4000 feet (1.2
kilometers).
Signal Converter: The signal converter, shown in Figure 4
on the right, is a Daktronics supplied unit that converts the
data from RS232 to RS422 or RS232 to fiber optic signal.
The signal converter is connected to the control PC via
straight through serial cable.
Venus 1500: Daktronics designed, Windows
®
based
software used to create and edit messages on the display.
Refer to
ED-13530 for the operation manual.
Introduction
1-6