Garmin GWX 68 Installation Manual

Garmin GWX 68 Installation Manual

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SPECIFICATION
CONTROL
DRAWING
NOTES:
1. DESCRIPTION: Installation Documentation -
2. PAGE SIZE:
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30
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5. COLOR: Black Ink on White Paper Stock.
6. BINDERY: Three-hole punch, shrink-wrap. Digital output preferred
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8. ELECTRONIC ARTWORK: Shall Conform to Garmin Archive, Filename:
The following fi les have been archived under the aboce ARCHIVE FILENAME.
Filename
190-00286-01.pdf
release.indd
Manual Elements
*.*
CONFIDENTIAL
This drawing and the specifi cations contained herein are the property of Garmin
Ltd. or its subsidiaries and may not be reproduced or used in whole or in part as
the basis for manufacture or sale of products without written permission .
Drafter:
Checker:
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REV.
DATE
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5/12/05
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DER REVIEW REQUIRED
Letter: Width = 8.5 inches, Height = 11 inches
Tabloid: Width = 11.0 inches, Height = 17.0 inches
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Portable Document Format, contains Installation Manual and Release Specifi cation
Adobe InDesign Format, Release Specifi cation
Word 97 for PC, Formatted Files and Figures
Various supporting illustrations, drawings, and artwork.
Date:
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REVISIONS
DESCRIPTION
Preliminary Release
8.5"
GWX 68
Installation Manual
GWX 68 Installation Manual
single-sided tabloid sheets.
5
GWX 68 Installation Manual
PART NO:
190-00286-01
N/A
11"
190-00286-01.pdf
Garmin Ltd. or its subsidiaries
c/o Garmin International, Inc.
1200 E. 151st Street
Olathe, Kansas 66062 U.S.A.
ECO NO.
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Summary of Contents for Garmin GWX 68

  • Page 1 Garmin Ltd. or its subsidiaries c/o Garmin International, Inc. This drawing and the specifi cations contained herein are the property of Garmin Ltd. or its subsidiaries and may not be reproduced or used in whole or in part as 1200 E. 151st Street the basis for manufacture or sale of products without written permission .
  • Page 2 Preliminary GWX 68 Installation Manual Garmin P/N 190-00286-01 May, 2005 Preliminary Revision 1...
  • Page 3 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and...
  • Page 4 IMPROPER USE OR EXPOSURE MAY RESULT IN BODILY INJURY. CAUTION All personnel should remain the prescribed “safe distance” from this radar. Never expose any part of the body to an unterminated waveguide. GWX 68 Installation Manual Page i 190-00286-01 Preliminary Revision 1...
  • Page 5 All personnel must remain outside of this zone. The distance to the MPEL boundary is calculated upon the basis of each antenna available with the GWX 68 system, rated output power of the transmitter, and in the non-rotating or boresight position of the antenna (see example calculations above).
  • Page 6 COMBUSTIBLE MATERIALS To prevent possible fuel ignition, an installed airborne weather radar should not be operated while an aircraft is being refueled or defueled. GWX 68 Installation Manual Page iii 190-00286-01 Preliminary Revision 1...
  • Page 7: Table Of Contents

    SYSTEM INTERCONNECTS......................4-1 4.1 Pin Function List..........................4-1 4.2 Power ..............................4-2 4.3 Serial Data ............................4-3 4.4 Configuration.............................4-3 4.5 Auto Pilot............................4-3 APPENDIX A: OUTLINE & INSTALLATION DRAWINGS .............. A-1 APPENDIX B: INTERCONNECT EXAMPLE..................B-1 Page iv GWX 68 Installation Manual Preliminary Revision 1 190-00286-01...
  • Page 8 A-1 GWX 68 Outline Drawing........................ A-1 B-1 GWX 68 Typical G1000 Interconnect Wiring Diagram..............B-1 B-2 GWX 68 Typical MX20 Interconnect Wiring Diagram ..............B-3 B-3 GWX 68 Analog Stabilization Interconnect Wiring Diagram............B-5 B-4 GWX 68 AHRS Stabilization Interconnect Wiring Digram............. B-7...
  • Page 9 GWX 68 HARDWARE MOD LEVEL HISTORY The following table identifies hardware modification (Mod) Levels for the GWX 68. Mod Levels are listed with the associated service bulletin number, service bulletin date, and the purpose of the modification. The table is current at the time of publication of this manual (see date on front cover) and is subject to change without notice.
  • Page 10: General Description

    Ground-based cellular telephones that are on, even in a monitoring state, can disrupt GPS performance. 1.3 Interface Summary The GWX 68 is designed as an open architecture system that uses typical ARINC 429, ARINC 453, and Ethernet communications interfaces. 1.4 Technical Specifications 1.4.1 Environmental Qualification Form...
  • Page 11 1.4.2 Physical Characteristics Characteristics Specifications Unit Size See Figure A-1. GWX 68 Outline Drawing 10" – 9.0 lbs (4.08 kg) Unit weight 12" – 9.1 lbs (4.13 kg) 1.4.3 General Specifications The table below contains general environmental specifications. For detailed specifications, see the Environmental Qualification Form (005-00171-00).
  • Page 12: License Requirements

    The Telecommunications Act of 1996, effective February 8, 1996, provides the FCC discretion to eliminate radio station license requirements for aircraft and ships. The GWX 68 installation must comply with current transmitter licensing requirements. To find out the specific details on whether a particular installation is exempt from licensing, please visit the FCC web site http://wireless.fcc.gov/aviation.
  • Page 13: Certification

    The article may be installed only if performed under 14 CFR part 43 or the applicable airworthiness requirements. At the time of publication, installations of this TSO approved article are only approved when installed in an aircraft as part of a Garmin G1000 system. 1.6.1 TSO/ETSO Compliance TSO-C63c Class 7 1.7 Reference Documents...
  • Page 14: Limited Warranty

    Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY.
  • Page 15 This page intentionally left blank Page 1-6 GWX 68 Installation Manual Preliminary Revision 1 190-00286-01...
  • Page 16: Installation Overview

    This section provides hardware equipment information for installing the GWX 68, related hardware, and antennas. Installation of the GWX 68 should follow the aircraft TC or STC requirements. Cabling is fabricated by the installing agency to fit each particular aircraft. The final installation must meet the requirements of FAA AC 43.13-1B and AC 43.13-2A.
  • Page 17: Cabling And Wiring

    Use AWG #24 or larger wire for all connections unless otherwise specified by the aircraft manufacturer or Garmin. The standard pin contacts supplied in the connector kit are compatible with up to AWG #22 wire. In cases where some installations have more than one unit sharing a common circuit breaker, sizing and wire gauge is based on aircraft circuit breaker layout, length of wiring, current draw of units, and internal unit protection characteristics.
  • Page 18: Installation Procedure

    If the unit is damaged, notify the carrier and file a claim. To justify a claim, save the original shipping container and all packing materials. Do not return the unit to Garmin until the carrier has authorized the claim.
  • Page 19: Backshell Assemblies And D-Subminiature Connectors

    Shield Block ground kit. The term ‘D-Sub’ (D-Subminiature) connectors have a letter “D” physical shape. D-Sub refers only to the polarized shell that holds the contacts (pins or sockets) in place. Table 3-3 lists Garmin part numbers for the GWX 68 D-Sub Connectors and the Backshell Assembly.
  • Page 20 Figure 3-1. Figure 3-1. Shield Block Install onto Backshell Connector Assembly Table 3-4. Shield Block Components Backshell Assembly Shield Block Garmin P/N Garmin P/N 011-00950-12 011-01169-01 (25/44 Pin High Density) GWX 68 Installation Manual Page 3-3 190-00286-01 Preliminary Revision 1...
  • Page 21 1. Attach the Shield Block(s) (2) to the backshell (1) by inserting the flathead screws (3) through the holes on the Shield Block and threading into the tapped holes on the backshell (1). (See Figure 3-1). The appropriate number of Shield Block kits is included in the GWX 68 connector kit. Table 3-5. Shielded Cable Preparation...
  • Page 22 NOTE Flat Braid as opposed to insulated wire is specified in order to insure continuing airworthiness by allowing for visual inspection of the conductor. GWX 68 Installation Manual Page 3-5 190-00286-01 Preliminary Revision 1...
  • Page 23 Flat Braid (6) to allow it to move freely with the wire bundle. Note that the maximum distance from the backshell allowed for the window splice should keep the Flat Braid (6) to a worst case length of approximately 4”. Page 3-6 GWX 68 Installation Manual Preliminary Revision 1 190-00286-01...
  • Page 24 (See Figure 3-3). • Figure 3-3: Daisy Chain Method for Shield Termination GWX 68 Installation Manual Page 3-7 190-00286-01 Preliminary Revision 1...
  • Page 25 Table 3-6. Configuration Module Kit – 011-00979-00 Item Description Garmin P/N Configuration Module PCB Board Assembly w/EEPROM 012-00605-00 Cable 4-Conductor Harness 325-00122-00 Crimp Pins #22 AWG (HD) 336-00021-00 Spacer Spacer, Config Module 213-00043-00 Page 3-8 GWX 68 Installation Manual Preliminary Revision 1 190-00286-01...
  • Page 26 5. Insert into the backshell (6) recess, PCB Board (1) with pad (2) in position. 6. Attach cover (7) to backshell (6) using screws (8). Figure 3-5. Configuration Module Installation GWX 68 Installation Manual Page 3-9 190-00286-01 Preliminary Revision 1...
  • Page 27: Unit Installation

    3.4 Unit Installation The GWX 68 is designed to be rigidly mounted in the nose section of the aircraft. If the nose section is not accessible, pod mounting is possible. The bulk head or antenna mounting plate must be very close to perpendicular to the aircraft center line.
  • Page 28: System Interconnects

    ARINC 429 IN 2 A ARINC 429 IN 2 B RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED CONFIG MODULE CLOCK PITCH ATTITUDE HI PITCH ATTITUDE LO ETHERNET IN A ETHERNET IN B GWX 68 Installation Manual Page 4-1 190-00286-01 Preliminary Revision 1...
  • Page 29: Power

    POWER 2 are “diode ORed” to provide power redundancy. 4.2.1.2 Remote On/Off Pin Name Connector RADAR REMOTE POWER OFF P400 For G1000 installations RADAR REMOTE POWER OFF must be grounded to pin 15 of P400 (POWER GROUND). Page 4-2 GWX 68 Installation Manual Preliminary Revision 1 190-00286-01...
  • Page 30: Serial Data

    ROLL ATTITUDE HI P400 ROLL ATTITUDE LO P400 PITCH ATTITUDE HI P400 PITCH ATTITUDE LO P400 Inputs pitch and roll attitude information from AFCS. Expected nominal input voltage is 50mV/degree. GWX 68 Installation Manual Page 4-3 190-00286-01 Preliminary Revision 1...
  • Page 31 4.5.2 26 Volt AC Reference Pin Name Connector 26 VAC GYRO REF LO P400 26 VAC GYRO REF HI P400 Expected nominal input voltage is 400 Hz, 26V RMS. Page 4-4 GWX 68 Installation Manual Preliminary Revision 1 190-00286-01...
  • Page 32: Appendix A Outline & Installation Drawings

    R5.530 140.46 MAX SPHERICAL RADIUS 10" ANTENNA .30 7.6 3.312 84.12 6.624 168.25 NOTES: 1. DIMENSIONS: INCHES[mm] 2. 12" ANTENNA SHOWN Figure A-1. GWX 68 Outline Drawing GWX 68 Installation Manual Page A-1 (Page A-2 blank) 190-00286-01 Preliminary Revision 1...
  • Page 33 APPENDIX B INTERCONNECT DRAWINGS Figure B-1. GWX 68 Typical G1000 Interconnect Wiring Diagram GWX 68 Installation Manual Page B-1 (Page B-2 blank) 190-00286-01 Preliminary Revision 1...
  • Page 34 APPENDIX B INTERCONNECT DRAWINGS Figure B-2. GWX 68 Typical MX20 Interconnect Wiring Diagram GWX 68 Installation Manual Page B-3 (Page B-4 blank) 190-00286-01 Preliminary Revision 1...
  • Page 35 APPENDIX B INTERCONNECT DRAWINGS Figure B-3. GWX 68 Analog Stabilization Interconnect Wiring Diagram GWX 68 Installation Manual Page B-5 (Page B-6 blank) 190-00286-01 Preliminary Revision 1...
  • Page 36 APPENDIX B INTERCONNECT DRAWINGS Figure B-4. GWX 68 AHRS Stabilization Interconnect Wiring Diagram GWX 68 Installation Manual Page B-7 (Page B-8 blank) 190-00286-01 Preliminary Revision 1...

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