Daktronics AF-3400-133,171,216,260 - Manual (Page 10)

Introduction 1-4
1.3 Network Concepts
The concept of using LED displays as a cost effective, high impact method of
communication is rapidly growing throughout many industries and businesses. The
reasons for this growth are many, but the need for additional features and the
complexity of multiple display installations has emerged. Daktronics display systems
have been designed to meet those needs.
The common thread to most client requests is a means of programming and
controlling a group of displays from a central control point. Daktronics responded by
developing a powerful system of interconnecting and controlling displays.
Daktronics has taken great care to design products that will satisfy a wide variety of
installations. Some of the design goals of these systems include the following:
• Easy transfer of messages
• The ability to tell a display or group of displays in the network which
message should run
• The ability to determine the status of any display on the network
• The ability to control multiple display technologies on the same network
There are seven communication methods available: RS232, RS422, Fiber, Ethernet,
Fiber Ethernet, Modem and Radio. They differ on the type of physical connections
needed, the distance allowed, and equipment required. A separate manual is
provided for the type of communication method ordered with your display. See
Section 3.7 for the communication manual ED numbers.
Up to 240 displays can exist on one network.
1.4 Display Overview
Reference Drawing:
Shop Drawings .........................................................Refer to Appendix A
Daktronics 133mm/171mm, AF-3400 Galaxy
® displays are designed and
manufactured for performance, reliability, easy maintenance, and long life. The
pixels have either a 133mm center-to-center spacing or a 171mm center-to-center
spacing, and are lit using LEDs (light emitting diodes). A light sensor on the front of
the display is used for automatic dimming of the LEDs based on the ambient light
levels. The configuration of pixels depends on the model of display ordered.
Refer to the appropriate Shop Drawing for the approximate size, weight, and power
requirements for your model of display.