Daktronics AF-3150-20-R,A User Manual
Galaxy® Series AF-3150
Display Manual
ED-13745 Rev 2 16 March 2004
331 32nd Ave PO Box 5128 Brookings SD 57006
Tel 605-697-4034 or 877-605-1113 Fax 605-697-4444
www.daktronics.com e-mail: helpdesk@daktronics.com
Rev 2 – 16 March 2004
ED-13745
Product 1289
DAKTRONICS, INC.
Copyright © 2003-2004
All rights reserved. While every precaution has been taken in the preparation of this manual,
the publisher assumes no responsibility for errors or omissions. No part of this book covered
by the copyrights hereon may be reproduced or copied in any form or by any means – graphic,
electronic, or mechanical, including photocopying, taping, or information storage and retrieval
systems – without written permission of the publisher.
®
is a registered trademark of Daktronics, Inc. All others are trademarks of their respective companies.
Galaxy
Table of Contents
Section 1: Introduction....................................................................................1-1
How to Use This Manual......................................................................................... 1-1
1.1 Safety Precautions..................................................................................... 1-2
1.2 Network Concepts..................................................................................... 1-3
RS232 Network.................................................................................. 1-3
RS422 Network.................................................................................. 1-3
Modem Network.................................................................................1-3
Fiber Optic Network........................................................................... 1-3
Radio Network ................................................................................... 1-4
1.3 Display Overview......................................................................................1-4
1.4 Component Identification..........................................................................1-5
1.5 Nomenclature ............................................................................................ 1-7
Section 2: Mechanical Installation.................................................................2-1
2.1 Mechanical Installation Overview............................................................. 2-1
2.2 Support Structure Design...........................................................................2-1
2.3 Ventilation Requirements.......................................................................... 2-2
2.4 Lifting the Display..................................................................................... 2-2
2.5 Display Mounting...................................................................................... 2-3
2.6 Optional Temperature Sensor Mounting ................................................... 2-3
Section 3: Electrical Installation.....................................................................3-1
3.1 Common Connectors in the Display..........................................................3-1
3.2 Control Cable Requirements......................................................................3-2
RS232................................................................................................. 3-2
RS422................................................................................................. 3-3
Modem ............................................................................................... 3-3
Fiber Optic.......................................................................................... 3-3
Radio .................................................................................................. 3-3
3.3 RJ Connector Cables ................................................................................. 3-3
Installing an RJ Connector ................................................................. 3-4
3.4 Conduit......................................................................................................3-4
3.5 Preparing for Power/Signal Connection.................................................... 3-5
3.6 Power.........................................................................................................3-5
Power Requirements........................................................................... 3-5
Grounding........................................................................................... 3-6
Power Installation...............................................................................3-7
Power Connection ..............................................................................3-8
Main Disconnect.................................................................................3-8
3.7
Signal Termination from Computer to Display......................................... 3-9
RS232................................................................................................. 3-9
RS422............................................................................................... 3-11
Modem ............................................................................................. 3-12
Table of Contents i
i
Fiber Optic........................................................................................3-14
Venus® 1500 Radio Client................................................................3-15
3.8 Signal Termination Between Two (or More) Signs................................. 3-17
RS422 Interconnection.....................................................................3-17
Fiber Interconnection........................................................................3-18
3.9 Optional Temperature Sensor..................................................................3-18
3.10 First Time Operation................................................................................3-18
Section 4: Maintenance and Troubleshooting............................................. 4-1
4.1 Maintenance and Troubleshooting Overview............................................4-1
4.2 Signal Summary.........................................................................................4-2
4.3 Power Summary.........................................................................................4-2
4.4 Service and Diagnostics.............................................................................4-3
Transformer and RFI Filter.................................................................4-4
Controller............................................................................................4-5
Modules and Drivers ..........................................................................4-7
Power Supplies................................................................................... 4-8
Light Detector.....................................................................................4-8
Modem................................................................................................4-8
Fiber Board.........................................................................................4-9
RS422 Surge Suppressor.................................................................. 4-10
Location of CAN termination Jumper ..............................................4-11
4.5 Ventilation Systems (With Fans and Filters)...........................................4-12
4.6 Thermostats ............................................................................................. 4-13
4.7 Weather Stripping.................................................................................... 4-13
4.8 Display Maintenance ...............................................................................4-13
4.9 Troubleshooting.......................................................................................4-14
4.10 Initial Operation Information...................................................................4-15
4.11 Replacement Parts List............................................................................4-16
4.12 Daktronics Exchange and Repair and Return Programs..........................4-17
Appendix A: Reference Drawings .....................................................................A-1
Appendix B: Signal Converter ...........................................................................B-1
Appendix C: Optional Temperature Sensor .....................................................C-1
i
Table of Contents
List of Figures
Figure 1: Drawing Label..................................................................................................1-2
Figure 2: Version 3 Controller ..........................................................................................1-5
Figure 3: 16x16 Module (Front and Back)...........................................................................1-6
Figure 4: Signal Converter (RS232 to RS422 Shown).............................................................1-7
Figure 5: Module Numbering Example – 48x160 Front...........................................................1-7
Figure 6: Module Numbering ............................................................................................1-7
Figure 7: Typical Label....................................................................................................1-8
Figure 8: Lifting the Display (Correct, Left; Incorrect, Right)...................................................2-2
Figure 9: Ribbon Cable Connector..................................................................................... 3-1
Figure 10: Termination Block............................................................................................3-1
Figure 11: Phoenix Connector...........................................................................................3-1
Figure 12: Mate-n-Loc Connector......................................................................................3-2
Figure 13: RJ11 Connector............................................................................................... 3-2
Figure 14: RS232/6-pin Quick Connect Jack........................................................................3-2
Figure 15: 6-Conductor RJ11 Connector and Cable...............................................................3-3
Figure 16: Flipped Cable with RJ Connectors.......................................................................3-4
Figure 17: Wire with Outer Jacket Stripped..........................................................................3-4
Figure 18: Opening the Display........................................................................................3-5
Figure 19: Display Grounding...........................................................................................3-6
Figure 20: Installation with Ground and Neutral Conductor Provided........................................3-7
Figure 21: Installation with only Neutral Conductor Provided..................................................3-8
Figure 22: Signal Termination at Display (Front View)...........................................................3-9
Figure 23: RS232 Display Layout.....................................................................................3-10
Figure 24: J-box to RS232 IN on Controller Board ..............................................................3-10
Figure 25: RS422 Display Layout.....................................................................................3-11
Figure 26: Signal Converter to Surge Suppresser in Display..................................................3-12
Figure 27: Modem Display Layout ................................................................................... 3-13
Figure 28: Modem/ Signal Connections.............................................................................3-13
Figure 29: Fiber Optic Display Controller.........................................................................3-14
Figure 30: Fiber Signal Connections.................................................................................3-15
Figure 31: Radio Display Layout .....................................................................................3-16
Figure 32: Radio Client Connection..................................................................................3-16
List of Figures iii
Figure 33: Quick Connect Cable ..................................................................................... 3-17
Figure 34: RS422 Signal Termination Panels .....................................................................3-17
Figure 35: Power Termination Box ....................................................................................4-4
Figure 36: Controller Component Layout............................................................................4-5
Figure 37: Removing a Module .........................................................................................4-7
Figure 38: Power/Control Corner.....................................................................................4-2
Figure 39: Modem.......................................................................................................... 4-8
Figure 40: Modem Jumper Location...................................................................................4-9
Figure 41: Fiber Optic Board ...........................................................................................4-9
Figure 42: Surge Suppressor, RS422 ................................................................................4-10
Figure 43: Displays with No External Temperature Sensor....................................................4-11
Figure 44: Displays with External Temperature Sensor ........................................................4-11
Figure 45: Quick Connect Boards.................................................................................... 4-12
iv
List of Figures
Section 1: Introduction
1.1 How to Use This Manual
This manual explains the installation, maintenance, and troubleshooting of a
Daktronics Galaxy
®
AF-3150 20mm louvered LED display. For questions regarding
the safety, installation, operation, or service of this system, please refer to the
telephone numbers listed on the cover page of this manual.
The manual is divided into seven sections: Introduction, Mechanical Installation,
ectrical Installation, Maintenance and Tro ubl eshooting, Appendix A, Appen di x B
El
and Appendix C.
• Introduction covers the basic information needed to make the most of the
rest of this manual. Take time to read the entire introduction as it defines
terms and explains concepts used throughout the manual.
• Mechanical Installati o n pr ov i des general guidance on display mounting.
• Electrical Installation gives general guidance on terminating power and
signal cable at the display.
• Maintenance and Trou bl eshooting addresses such things as removing
basic display components, troubleshooting the display, performing general
maintenance, and exchanging display components.
• Appendix A lists the drawings referenced within this manual.
• Appendix B includes general information on the signal converter.
• Appendix C includes information on the optional temperature sensor.
Daktronics identifies manuals by an ED number located on the cover page of each
anual. For example, this manual would be referred to as ED-13745.
m
Listed below are a number of drawing types commonly used by Daktronics, along
the information that each is likely to provide. This manual might not contain all
with
these drawings:
• System Riser Diagrams: Overall system layout from control computer to
display, power, and phase requirements .
• Shop Drawings: Fan locations, mounting information, power and signal
entrance points, and access method (front and rear).
• Schematics: Power and signal wiring for various components.
• Component Placement Diagrams: Locations of critical internal display
components, such as power supply assemblies, controller boards,
thermostats, and light detectors.
Figure 1 below illustrates the Daktronics drawing label. The drawing number is
located in the lower-right corner of the drawing. Listing the last set of digits and the
letter preceding them identifies drawings in the manual. In the example below, the
drawing would be referred to as Drawing B-181287. Reference drawings are
inserted in Appendix A.
Introduction
1-1
Figure 1: Drawing Label
All references to drawing numbers, appendices, figures, or other manuals are
presented in bold typeface, as shown below.
“Refer to Drawing B-181287 in Appendix A for the power supply location.”
Additionally, drawings referenced in a particular section are listed at the beginning
of that section as seen in the following example:
Reference Drawing:
Shop Drawing; VF-****-27x75-18-W............................ Drawing B-181287
Daktronics displays are built for long life, and require little maintenance. However,
from time to time, certain display components will need replacing. The
Replacement Parts List in Section 4.11 provides the names and numbers of
components that may need to be ordered during the life of the display. Most display
components have a white label that lists the part number. The component part
number is in the following format: 0P-_ _ _ _-_ _ _ _ (component) or
0A-_ _ _ _-_ _ _ _ multi-component assembly).
Following the Replacement Parts List is the Daktronics Exchange and Repair
and Return Programs in Section 4.12. Refer to these instructions if any display
component needs replacement or repair.
1.2 Safety Precautions
Important Safeguards:
1. Read an d understand these instructions before installing.
2. Be sure the display and exterior enclosures are properly grounded with an
earth ground electrode at the display.
3. Disconn ect power when servicing the display.
4. Do not modify the display structure or attach any panels or coverings to the
display without the written consent of Daktronics, Inc.
1-2
Introduction
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
ntrolling a group of displays from a central control point. Daktronics responded by
co
developing a powerful system of interconnecting and controlling displays. Great care
has been taken to design products that will satisfy a wide variety of installations.
Some of the design goals of these system
• 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 five (5) network systems available: RS232, RS422, modem, fiber, and
adio. Up to 240 displays can exist on one network.
r
RS232 Network
RS232 (EIA/TIA-232-E) is a standard communication interface that employs a
single-ended serial transmission scheme that uses a maximum cable length of 7.6
meters (approximately 25 feet). This interface was designed for computer
communication at short distances. A computer with a serial, RS232 communication
port is required. Refer to Section 3 for additional information.
s include the following:
RS422 Network
RS422 (EIA/TIA-422-B) is a standard communication interface that utilizes a
differential balanced transmission scheme that uses a typical maximum cable length
of 1.2 km (approximately 4,000 feet). The main advantage to RS422 over RS232 is
the longer cable length that is possible. A signal converter is needed to convert the
computer’s RS232 serial signal to RS422. Refer to Section 3 for additional
information.
Modem Network
The modem is a standard communication interface that utilizes standard phone
transmission lines. The phone company assigns each phone line a number that the
modem at the computer uses to communicate to the modem in the display. Refer to
Section 3 for additional information.
Fiber Optic Network
A fiber optic network is a standard communication method transmitting light (signal)
through a glass fiber. Fiber optic cable has a maximum length of 600 meters
(approximately 2,000 feet). A signal converter is needed to convert the computer’s
RS232 serial signal to fiber optic signal; a minimum of two fibers is required. Refer
to Section 3 for additional information.
Introduction
1-3
Radio Network
The Radio network is a standard communication method that uses radio waves at
high frequencies to transmit signal. The Venus
distance of 450 meters (approximately 1,500 feet) outdoor and 150 meters
(approximately 500 feet) indoor. A nearly straight line-of-sight path must be
maintained between the Server Radio attached to the building and the Client Radio
connected to the display. A computer with a serial, RS232 communication port is
required. Refer to Section 3 and the Venus 1500 Gen 2 Radi o m a nual , ED13932, for
additional information.
1.4 Display Overview
Reference Drawings:
Shop Drawing, AF-3150-**x**-20mm-R or Amber ...... Dra
Daktronics AF-3150 Galaxy
performance, reliability, easy maintenance, and long life. The pixels have a 20mm
center-to-center spacing, and are lit using LEDs (light emitting diodes). A light
sensor on the front of the primary 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 D
rawing B-183660 for the approximate size, weight, and power
requirements for your model of display.
The Galaxy
®
model numbers are described as follows:
AF-3150-RRCCC-20-X-X(X)
AF-3150 =
RR =
CCC =
20 =
X =
X(X) =
A typical display system consists of a Windows
running Venus
®
1500 software, a communication system, and one or more displays.
The displays are offered as single-face units, which are single-sided stand-alone
displays. They can become double-faced by mounting them back-to-back with a
second unit.
®
Venus
1500 is a software package that runs under Windows® 98, ME™, NT® 4.0,
2000, or XP Home/Professional operating systems on an IBM
computer. Refer to the Venus
installation and operation of the Venus
Refer to Sec
tions 4.2 and 4.3 for the summaries of how signal and power are routed
through the displays.
®
displays are designed and manufactured for
Outdoor 20 mm Louvered Galaxy Display
Number of Rows High (16-48)
Number of Columns Long (Up to 144
Columns Standard)
20 mm pixel to pixel spacing
LED Monochrome Color (Red or Amber)
PS – Primary-Secondary or S - Secondary
®
1500 controller operator’s manual (ED13530) for
®
1500 Radio network has a maximum
®
based personal computer (PC)
®
1500 editing station.
wing B-183660
®
-compatible
1-4
Introduction
1.5 Component Identification
The following illustrations depict some of the more commonly accessed Galaxy®
display components. Because Daktronics occasionally alters standard design to meet
customer needs, the actual display design may vary slightly from the illustrations
below.
This is only a brief overview. Refer to Section 4 for additional information on
maintaining the various display components.
Com Port: A COM port is a connector on the back of the control computer. The
COM port is used to control the display network through either a 9- or a 25-pin serial
connector.
Controller: The display’s controller is the “brains” of the display (refer to
below). The controller receives, translates, and activates the signal information from
the control computer to the appropriate pixels on the display accordingly.
Figure 2
Figure 2: Version 3 Controller
Control Area Network: Serial Communication Protocol supporting distributed realtime control and multiplexing. The temperature and light sensors use this type of
network.
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.
Galaxy
®
: Daktronics trademarked name for LED monochrome, tri-colored, or RGB
matrix displays.
Introduction
1-5
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.
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.
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. Use a 1/8" Allen wrench to turn the retaining bar.
Figure 3: 16x16 Module (Front and Back)
Network: A network consists of multiple displays connected to each other. Up to
240 displays can exist on one network.
Pixel: Cluster of LEDs. The number and color of the LEDs depends on display
application.
Power Supply: Converts AC line voltage from the load center to low DC voltage for
one or more module driver boards.
RS232: RS232 is a standard PC communication type with a maximum cable length
of 25 feet (7.62 meters).
1-6
Introduction
RS422: RS422 is a standard differential
communication type with a maximum cable
length of 4000 feet (1.2 kilometers).
Serial Port: An actual serial port is required for
direct connections through the j-box, signal
converters or the radio j-box from the com puter.
Certain USB adapters create an “actual” serial
port.
Signal Converter: The signal converter, shown
Figure 4 on the right, is a Daktronics supplied
in
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.
1.6 Nomenclature
Figure 4: Signal Converter (RS232 to
RS422 Shown)
Figure 5: Module Numbering Example – 48x160 Front
To fully understand some Daktronics drawings, such as schematics, it is necessary to
know how various components are labeled in those drawings. This information is
also useful when trying to communicate maintenance or troubleshooting efforts.
A module is the building block of the Galaxy
pixels high by 16 pixels wide. By placing modules side-by-side and on top of one
another, a display of any size can be designed and built. Individual modules can be
easily removed from the display if required.
Daktronics numbers modules on a Galaxy
module numbering method.
In addition, the following labeling formats might be
found on various Daktronics drawings:
Finally, Daktronics part numbers are commonly found on drawings. Those part
numbers can be used when requesting replacement parts from Daktronics Customer
Service. Take note of the following part number formats:
Introduction
®
display. Each module measures 16
Figure 5 above illustrates how
®
display. Figure 6 below breaks down the
• “TB_ _” signifies a termination block for
power or signal cable.
• “F_ _” represents a fuse.
• “E_ _” shows a grounding point.
• “J_ _” denotes a power or signal jack.
• “P_ _” stands for a power or signal plug for
the opposite jack.
Figure 6: Module Numbering
1-7
• “0P-_ _ _ _-_ _ _ _” indicates an individual circuit board, such as the
internal fiberboard.
• “0A-_ _ _ _-_ _ _ _” stands for an assembly, such as a circuit board and the
plate or bracket to which it is mounted. A collection of circuit boards
working as a single unit may also carry an
assembly label.
• “W-_ _ _ _” represents a wire or cabl e.
Cables may also carry the assembly
numbering format in certain circumstances.
This is especially true of ribbon cables.
0P-1195-0001
SN: 6343
05/19/99 REV.1
Figure 7: Typical Label
Most circuit boards and components within this
display carry a label that lists the part number of the
unit. If a circuit board or assembly is not listed in the
Replacement Parts List in Section 4, use the label to order a replacement. A typical
label is shown in
Figure 7. The part number is in bold.
1-8
Introduction
Section 2: Mechanical Installation
Note: Daktronics does not guarantee the warranty in situations where the display is not
constantly in a stable environment.
Daktronics engineering staff must approve an
of the display. If any modifications are made, detailed drawings of the changes must be
submitted to Daktronics for evaluation and approval, or the warranty may be void.
Daktronics is not responsible for installations or the structural integrity of support
tures done by others. It is the customer’s responsibility to ensure that a qualified
struc
structural engineer approves the structure and any additional hardware.
2.1 Mechanical Installation Overview
y changes that may affect the weather-tightness
Because every installation site is unique, there is no single Daktronics-approved
procedure for mounting the Galaxy
section is general information only and may or may not be appropriate for your
particular installation.
A qualified individual must make all decis
display.
Read both the mechanical and electrical installati
before beginning any installation procedures.
®
displays. The information contained in this
2.2 Support Structure Design
Support structure design depends on the mounting methods, display size, and weight.
The structure design is critical and should be done only by a qualified individual.
Display height and wind loading are also critical factors. It is the customer’s
responsibility to ensure that the structure and mounting hardware are adequate.
Daktronics is not responsible for the installations or the structural inte gri t y of
support structures done by others.
It is the installer’s responsibility to
hardware are capable of supporting the display, and will agree with local codes.
Before beginning the installation proces s, verify the following:
• The mounting structure will provide a straight and square-mounting frame
for the display.
• The mounting structure is capable of supporting the display and will not
yield at any unsupported points after mounting.
• Clearance: 3" of unobstructed space is available below the display for filter
removal from the display. 1-¼" of unobstructed space is available above the
top of the display to remove the eyebolt and plug the hole properly.
Correct any deficiencies b
efore installation.
ensure the mounting structure and
ions regarding the mounting of this
on sections of this manual
Mechanical Installation
2-1
2.3 Ventilation Requirements
Reference Drawing:
Shop Drawing, AF-3150-**x**-20mm-R or A............... Drawing B-183660
Fans are mounted in the bottom of the display for ventilation. Maintain a minimum
distance of 3" (7.62cm) below the display to maintain proper airflow. Refer to
Drawing B-183660 for additional information.
If the display cabinet is completely enclosed:
• 12 square inches of unobstructed opening per module must be provided to
ensure adequate cooling.
• Allowances must be made to compensate for the percentage of material
covering the openings in the structure.
• For adequate cooling, forced ventilation may be required. If air is forced
into the enclosed cabinet, 110 cubic feet per minute must be provided per
module (12.48" x 12.48" active area).
If these requirements are not met, the Galaxy
2.4 Lifting the Display
The top of the larger displays is equipped with eyebolts that are used to lift the unit.
Take special care to ensure that the rated load of the eyebolts is not exceeded. Refer
to the information at the end of this section labeled Eyebolts to determine the
allowable load of the eyebolts shipped with the display.
Figure 8 below illustrates both the correct (left example) and the incorrect (right
example) method of lifting a display. Lift the display as shown on the left, with the
lifting bar. Use every lifting point provided.
®
display warranty may be void.
2-2
Figure 8: Lifting the Display (Correct, Left; Incorrect, Right)
Do not attempt to permanently support the display by the eyebolts.
If removing the eyebolts, adequately seal the holes using 13 bolts and sealing
washers, ½ inch in size. Silicone along the threads to ensure that water does not enter
the display.
Mechanical Installation
2.5 Display Mounting
Reference Drawing:
Shop Drawing, AF-3150-**
The method used to mount displays can vary greatly from location to location. For
is reason, only general mounting topics can be addressed in this manual.
th
It is the responsibility of the installer to
meet local codes and standards, as well as the mounting hardware and method.
Before beginning the installation proces s, verify the following items:
• The mounting structure will provide a straight and square-mounting frame
for the display. Height variation in any fou r -f oo t hori zontal section may
not exceed ¼-inch.
• The mounting structure will not give way at any unsupported points after
the display is mounted.
The back of the display is equipped with 2 x 2 x 3 x ¼" steel clip angles. Refer to
rawing B-183660. These angles may be used for mounting purposes. Remember to
D
have all mounted displays inspected by a qualified structural engineer. Daktronics
recommends using all clip angles as attachment points.
Refer to D
attachment points needed and the wall structure must be reviewed by a quali fi e d
structural engineer and meet all national and local codes. It is the customer’s
responsibility to determine the proper wall mounting method and location.
rawing B-183660 for a suggested wall mount method. The number of
1. Carefu
2. Fol
3. W
4. Refer t
5. After in
lly uncrate the display. Look each side of the display over for
possible damage during shipping.
lowing the guidelines described in Section 2.4, lift the display into
position on the support structure.
eld or use ½" Grade-5 bolts and hardware to secure the clip angles to the
support structure as shown in Drawing B-183660.
o Section 3 for information on routing power and signal.
stallation is complete, carefully inspect the display for any holes
that may allow water to seep into the display. Seal any openings with
silicone. If the eyebolts on the top of the display have been removed, plug
the holes with bolts and the rubber-sealing washer that was removed with
the eyebolt.
x**-20mm-R or A...............Drawing B-183660
ensure the installation will adequately
2.6 Optional Temperature Sensor Mounting
If an optional temperature sensor will be used with this display, see Appendix C for
connections, and other additional information.
Mechanical Installation
2-3
Eyebolts
Almost every display that leav es D ak tronics is equipped w ith ey ebolts for lifting the display . There are
two standard sizes of eyebolts: ½″ and A″.
Load Increase Factor: The load increases as the lift angle (θ) decreases. The allowable load on the
eyebolts also decreases with the lift angle due the bending stress on the eyebolts. In sum, the smaller
the angle between the cable and the top of the display, the lighter the sign must be to safely lift it. Do
NOT attempt to lift the display when the lift angle is less than 30 degrees.
Horizontal Load Angle
Angle Factor (L/H)
90 1.00
60 1.155 90 2600 2600 4000 4000
50 1.305 60 1500 1299 3300 2858
45 1.414 45 650 460 1000 707
30 2.00 30 520 260 800 400
θθθθ
½”
Line Weight/ Line Weight/
Load Anchor Load Anchor
A
A”
AA
ED7244 Copyright 1996-2001
Rev. 4 – 14 March 2001 Daktronics, Inc.
Min.
A B C D E No.
Wx Wy Wz
1/4 1 3/4 1-3/16 25/32 21 600 2,000 Blank 1/4-20 7/8 400 100 80
3/8 1-1/4 1 1-21/32 1-3/16 23 2,100 5,000 Blank 3/8-16 1-1/8 1,400 350 250
1/2 1-1/2 1-3/16 2-1/16 1-13/32 25 3,900 9,200 Blank 1/2-13 1-11/32 2,600 650 520
9/16 1-5/8 1-9/32 2-13/16 1-17/32 26 4,500 11,830 Blank 9/16-12 1-3/8 3,000 750 600
5/8 1-3/4 1-3/8 2-1/2 1-11/16 27 6,000 14,700 Blank 5/8-11 1-9/16 4,000 1,000 800
3/4 2 1-1/2 2-13/16 1-13/16 28 9,000 21,700 Blank 3/4-10 1-5/8 6,000 1,500 1,200
7/8 2-1/4 1-11/16 3-1/4 2-1/16 29 10,000 30,000 Blank 7/8-9 1-13/16 6,600 1,670 1,330
1 2-1/2 1-13/16 3-9/16 2-5/16 30 12,000 39,400 Blank 1-8 2-1/16 8,000 2,000 1,600
1-1/2 3-1/2 2-9/16 5-1/2 3-5/32 34 27,000 91,300 Blank 1-1/2-6 3 17,800 4,500 3,600
Proof
Load
(lbs.)
Min.
Break
Load
(lbs.)
Stocked
Min.
Eff.
Thrd.
Length
Line Loads
A. Do not use eyebolts on angular lifts unless absolutely necessary. For angular lifts, the shoulder pattern
eyebolt is preferred.
B. Load should always be applied to eyebolts in the plane of the eye, not at some angle to this plane.
C. Shoulder eyebolts must be properly seated (should bear firmly against the mating part), otherwise the
working loads must be reduced to those indicated for regular eyebolts. A washer or spacer may be
required to put the plane of the eye in the direction of the load when the shoulder is seated.
D. No load greater than the safe working load listed in the data table should be used.
E. To obtain the greatest strength from the eyebolt, it must fit reasonably tight in its mounting hole to prevent
accidental unscrewing due to twist of cable.
F. Eyebolts should never be painted or otherwise coated when used for lifting. Such coatings may cover
potential flaws in the eyebolt.
G. To attain the safe working loads listed for regular eyebolts, 90% of the thread length must be engaged.
Copyright 1996-2001 ED-7244
Daktronics, Inc. Rev. 4 – 14 March 2001
3: Section Electrical Installation
Only a qualified individual should terminate power and signal cable within this
Daktronics display.
The Daktronics engineering staff must approve any changes made to the display. Before
altering the display, submit detailed drawings for the proposed modifications to the
Daktronics engineering staff for evaluation and approval, or the warranty will be rendered
null and void.
3.1 Common Connectors in the Display
The power and signal connections in the displays use many different
types of connectors. Tak e special care when disengaging any
connector to prevent damage to the connector, cable, or circuit board.
When pulling a connector plug from a jack, do not pull on the wire or
cable; pull on the jack itself. Pulling on the wires may damage the
connector.
The following information presents some common connectors
encountered during display installation and maintenance.
1. Ribbon Cable Connectors:
Figure 9 on the right illustrates a typical ribbon connector. To
disconnect the ribbon cable, push the plastic clips on the
sides out to unlock and remove the jack.
Before replacing a ribbon cable connector, spray it with
DeoxIT
may cause signal problems. In addition, apply a generous
amount of CaiLube
™
contact cleaner to remove any foreign matter that
™
protector paste to the plug before
inserting it into the jack. This paste will protect both the plug
and the jack from corrosion.
2. Termination Blocks:
Termination blocks are usually used to connect internal
power and signal wires to wires of the same type coming into
the display from an external source. Power wires need to
have one-half inch of insulation stripped from the end of the
wire prior to termination. Tighten all screws firmly to ensure
a good electrical connection. Refer to
3. Phoenix
™
-Style Connectors:
Figure 10 on the right.
Phoenix-style connectors, which are usually green, are often
used for signal termination on circuit boards . R e fer to
11
on the right. Strip one-quarter inch of insulation from the
Figure
wire prior to termination. To remove a wire, turn the above
screw counter-clockwise to loosen the connector's grip on the
wire. To insert a wire, push the bare wire into the connector
and turn the above screw clockwise to lock the wire into
place.
.
Figure 9: Ribbon
Cable Connector
Figure 10: Termination
Block
Figure 11: Phoenix
Connector
Electrical Installation
3-1
4. Mate-n-Lok™ Connectors:
The Mate-n-Lok connectors found in the displays are
white and come in a variety of sizes.
Figure 12 on the right
illustrates a four-pin Mate-n-Lok connector. To remove the
plug from the jack, squeeze the plastic locking clasps on
the side of the plug and pull it from the jack.
5. Phone Jacks (RJ Connectors):
RJ11 or RJ45 connectors, as seen in
Figure 13 on the lower
right, are similar to those on telephone and LAN
connectors found in homes and businesses. They can be
used on the ends of either flat cable or CAT5. In order to
remove this plug from the jack, depress the small clip on
the underside of the plug.
Before replacing an RJ connector, spray it with
DeoxIT
that may cause signal problems. In addition, apply a
generous amount of CaiLube
™
contact cleaner to remove any foreign matter
™
protector paste to the
plug before inserting it into the jack. This paste will
protect both the plug and the jack from corrosion.
6. Quick Connect Jack:
The display uses quick connect jacks for the connection
of such things as the temperature sensor, a client radio,
and connection of the primary to the secondary or mirror
display. The quick conne ct jacks are located on the back
of the display and when not used the attached dust cover
should be kept closed.
To attach the cable to a jack, make sure to line up the
plug to match the jack, push the plug in then turn the
outer collar to lock in place. Figure 14 illustrates the 6pin quick connect jack.
Figure 12: Maten-Loc Connector
Figure 13: RJ11
Figure 14: RS232/6-
pin Quick Connect Jack
3.2 Control Cable Requirements
RS232
This cable is a 2-conductor shielded cable used to transmit an RS232 signal
(Daktronics part number W-1117). This shielded cable should not be subjected to
mechanical flexing after installation. This cable is not for direct burial and should be
routed in a dedicated, grounded metallic conduit from the j-box at the base of the
sign structure to the display. This cable has a maximum length of 25 feet (7.6
meters).
3-2
Electrical Installation
RS422
This cable is a 4-conductor shielded cable used to transmit an RS422 signal
(Daktronics part number W-1234). This shielded cable consists of paired wires. They
should not be subjected to mechanical flexing after installation. This cable is not for
direct burial and should have one of the following routings:
• In dedicated metallic conduit
• Inside buildings − if cable is not in conduit, keep away from interference
signals
With interference signals, such as power conductors, intercom, etc., typically a twofoot separation is required. The maximum length of an RS422 signal cable is 4,000
feet (1.22 km).
Modem
The modem option will use standard telephone cable routed through conduit. The
local telephone company will need to assist in this installation.
Ask the telephone company which colors are used for the tip wire and which for the
ring wire for signal connections. Note: The telephone line to the display must be a
dedicated line and not run through a switch board/communications system.
Fiber Optic
This cable is a 4-fiber cable (Daktronics part number W-1376). Two fibers are used
for display communications and the other two are saved for spares. The cable may be
either direct burial or routed in conduit, but it should not be subjected to mechanical
flexing. The maximum length of a fiber optic cable is 2,000 feet (611.6 meters).
Radio
The Server radio, connected to the computer through a J-box, requires an 18-gauge
six-conductor cable (Daktronics part number W-1370). Four-conductors will be used
for the signal and two for power. This cable from the J-box to the Server radio, needs
to be in conduit when exposed to outdoor conditions. The maximum distance from
the J-box to the Server radio is 1000 feet (305.8 meters).
The Client radio at the display comes with cable that is rated for outdoor use and
does not need to be in conduit. The cable should be secured to the structure so it
cannot pulled loose from the display by weather or vandalism.
3.3 RJ Connector Cables
The conductor connector used in the
network is an industry standard, 6-pin
RJ11or 8-pin RJ45. This connector can
be found on many telephones and LANs.
The cable used in the network is a
standard flat six-conductor telephone
cable (standard flipped cable). Refer to
Figure 15 on the right. This cable has one
end that is the mirror image of the other
end (i.e. the cable is flipped). Refer to
Figure 16 for a standard flipped cable.
Electrical Installation
Figure 15: 6-Conductor RJ11 Connector
and Cable
3-3
Notice below in
Figure 16 that the color code on one connector must be made the
opposite on the other connector. When installing a network, it is not easy to
remember in which direction the previous end was oriented. One simp le way to
avoid confusion is to standardize the color code, having one color for the connector
going into the output of a sign, and the opposite color for a connector going into the
input of a sign. This will help ensure correct cabling since cables are always installed
from the output jack of one sign to the input jack of the next sign.
Figure 16: Flipped Cable with RJ Connectors
Installing an RJ Connector
Installing an RJ connector on the end of the conductor cable is a simple task when
the correct tools are used. The RJ crimping tool (Daktronics part number
TH-1033) performs two separate steps.
First, use the crimping tool to strip the outer insulation from the inner
wires. This does not result in bare wires since only the gray outer jacket is
removed. After correct stripping, the wire will appear as shown in
17
on the right.
The crimping tool is then used to crimp the RJ connector onto the cable.
The RJ connector is locked into a special socket in the tool. The stripped
wire is inserted into the RJ connector. Finally, the tool is squeezed like a pliers to
crimp the connector onto the wire. This completes the installation of an RJ connector
onto the wire.
3.4 Conduit
Reference Drawings:
Shop Drawing; AF-3150-**x**-20mm-R or A............... Drawing B-183660
Daktronics does not include the conduit. Refer to Drawing B-183660 for your
display size and approximate locations for power and signal conduit. Separate
conduit must be used to route:
• Power
• Signal IN wires
• Signal OUT wires (if signal is required for another display)
Knockout holes for ½" conduit are located at the bottom right (rear view) of th e back
of the display (refer to Drawing B-183660).
For displays with more than one face, signal and temperature sensor wiring between
displays is normally done using the quick co nnect i nt erconnect cable, which does not
need to be in conduit. When not using the quick connect cable, the cables for signal
and temperature can be routed through the same conduit.
Figure
Figure 17: Wire with Outer
Jacket Stripped
3-4
Electrical Installation
3.5 Preparing for Power/Signal Connection
Reference Drawings:
Component Layout Drawings................................... Refer to Appendix A
1. Remove the two bottom left modules (AX01 and AX02) to expose the
power enclosure and controller. Use a
access fasteners one-quarter turn. Turn the top latch clockwise and the
bottom latch counterclockwise. Lift each module
away from the display; reach
behind it, and disconnect all
power and signal
connections.
2. Locate the controller and
power termination box for
these displays in the
Component Layout
Diagram located within
Appendix A.
3. Punch or use 7/8" (0.875)
holes for the desired ½"
conduits. Be careful that
none of the internal
components are damaged.
Attach the conduit.
4. The controller receives the incoming signal and relays it to the individual
modules.
5. Rou te power to the display through a fused disconnect switch capable of
opening all ungrounded power con d uct or s. Inst all thi s di sconnect within the
line-of-sight of any personnel performing maintenance on the display. If the
disconnect is located out of sight of the display, it must be capable of being
locked in the open position.
6. Power conductors from the disconnect to the display should be routed
through conduit in agreement with local code.
7. You may route the signal cable from the control computer to the display at
this time also. Unless you are using fiber, be sure to run the power and
signal cables in a separate conduit.
1
/8" Allen wrench to turn the latch
Figure 18: Opening the Display
3.6 Power
Reference Drawings:
Power Termination Box................................................Drawing A-129227
Power Specs, 16x144-48x144 Displays......................Drawing A-180190
Schematics AF-3150-16x***-20mm, Mono.............. Refer to Appendix A
Power Requirements
Refer to Drawing A-180190 for voltage and current requirements for your display
size and pixel color. Each uses a 120VAC or 120/240 VAC si ngl e- p hase p ower
source. Depending on the module color and display size, the power supply may vary.
Do not connect the displays to any voltage other than that listed on the
Daktronics product label.
Electrical Installation
3-5
Proper power installation is imperative for proper display operation. The following
sub-sections give details of display power installation.
Grounding
This display is intended to be installed in accordance with the requirements of
Article 600 of the National Electrical Code and/or other applicable local codes.
This includes proper grounding and bonding of the display.
Displays must be grounded according to the provisions outl i ned in Article 250 of the
National Electrical Code
less.
The display system must be connected to earth-ground. Proper grounding is
necessary for reliable equipment operation. It also protects the equipment from
damage from electrical disturbances and lightning. The display must be properly
grounded or the warranty will be void.
®
. Daktronics requires a resistance to ground of 10 ohm s or
3-6
Figure 19: Display Grounding
The material of an earth-ground electrode differs from region to region, and from
conditions present at the site. Consult the National Electrical Code and any local
electrical codes that may apply. The support structure of the display cannot be used
as an earth-ground electrode. The support is generally embedded in concrete, and if
in earth, the steel is either primed or it corrodes, making it a poor ground.
A minimum of one grounding electrode must be installed for each display face. The
grounding electrode is typically one grounding rod for each display face. Other
grounding electrodes as described in Article 250 of the National Electric Code may
be used. Daktronics requires that the resistance to ground be 10 ohms or less. If the
resistance to ground in higher than 10 ohms, it will be necessary to install additional
grounding electrodes to reduce the resistance. The grounding electrode should be
installed within 25 feet of the base of the display. The grounding electrode must be
connected to the ground terminal in the display panel board.
Electrical Installation
Power Installation
There are two considerations for power installation: installation with ground and
neutral conductors provided, and installation with only a neutral conductor provided.
These two power installations differ slightly, as described in the following
paragraphs:
rInstallation with Ground and Neutral Conducto s Provided
For this type of installation, the power cable must contain an isolated earth-ground
conductor. Under this circumstance, do not connect neutral to ground at the
disconnect or at the display. This would violate electrical codes and void the
warranty. Use a disconnect so that all hot lines and neutral can be disconnected.
Refer to
requires the use of a lockable power disconnect within sight of or at the sign.
Figure 20 below for installation details. The National Electrical Code
Figure 20: Installation with Ground and Neutral Conductor Provided
Installation with Only a Neutral Conductor Provided
Installations where no grounding conductor is provided must comply with article
250-32 of the National Electrical Code. If the installation in question meets all of the
requirements of article 250-32, the followi n g guidelines must be observed:
• Connect the grounding electrode cable at the local disconnect, never at the
sign panel board.
• A disconnect that opens all of the ungrounded phase conductors should be
used.
• The neutral and the ground conductors should be bonded in the sign panel
board.
Refer to
Figure 21 below for installation details.
Electrical Installation
3-7
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