Garmin GWX 68 User Manual

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190-00286-01.pdf
190-00286-01.pdf
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GWX 68 Installation Manual
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GWX 68 Installation Manual
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1 5/12/05 Preliminary Release ---------
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GWX 68
Installation Manual
DER REVIEW REQUIRED

Garmin GWX 68 Specifications

General

Operating Voltage	12-24 VDC
IP Rating	IPX6
Type	Solid-state Doppler
Display Size	Garmin chartplotters
Frequency	X-band
Radar Type	Solid State
Rotation Speed	24 rpm
Display Compatibility	Garmin chartplotters

Summary

INFORMATION SUBJECT TO EXPORT CONTROL LAWS

SAFE DISTANCE DETERMINATION

MAXIMUM PERMISSIBLE EXPOSURE LEVEL (MPEL)

Defines the radiation zone exceeding the US Government standard of 1 mW/cm².

GENERAL PRECAUTIONS

BODY DAMAGE

Precautions to prevent possible human body damage from radar operation.

COMBUSTIBLE MATERIALS

Prohibits radar operation during refueling or defueling to prevent fuel ignition.

GWX 68 HARDWARE MOD LEVEL HISTORY

1 GENERAL DESCRIPTION

1.1 Introduction

Presents mechanical and electrical installation requirements for the GWX 68 Airborne Weather Radar.

1.2 Equipment Description

Describes the GWX 68 Airborne Weather Radar as a microprocessor-based Line Replaceable Unit (LRU).

1.3 Interface Summary

Details the GWX 68's open architecture system using ARINC 429, ARINC 453, and Ethernet interfaces.

1.4 Technical Specifications

Covers physical, general, performance, and power requirements for the GWX 68 unit.

1.5 License Requirements

Explains FCC licensing requirements for radio station operation of the GWX 68.

1.6 Certification

Details TSO/ETSO compliance standards and aircraft installation approval requirements.

1.7 Reference Documents

Lists supporting publications for installation, including G1000 and MX20 manuals.

1.8 Limited Warranty

Outlines the two-year warranty terms and conditions for Garmin products.

2 INSTALLATION OVERVIEW

2.1 Introduction

Provides hardware equipment information for installing the GWX 68, related hardware, and antennas.

2.2 Installation Materials

Lists available part numbers for the GWX 68 unit and standard installation kit.

2.3 Installation Considerations

Discusses mechanical and electrical practices for installation, including antenna considerations for pressurized aircraft.

2.4 Cabling & Wiring

Details wire gauge, connector compatibility, routing, and EMI/heat considerations for installation.

2.5 Cooling Requirements

Addresses thermal characteristics and the need for ventilation or convection for product longevity.

2.6 Mounting Requirements

Specifies mounting surface requirements for structural support and electrical bonding for EMI protection.

3 INSTALLATION PROCEDURE

3.1 Unpacking Unit

Instructions for unpacking, inspecting for damage, and handling shipping containers.

3.2 Wiring Harness Installation

Guidance on fabricating and installing wiring harnesses, connectors, and strain relief per FAA standards.

3.3 Backshell Assembly and D-Subminiature Connectors

Procedure for assembling backshells and D-Subminiature connectors, including shield block installation.

3.4 Unit Installation

Details rigid mounting in aircraft nose section, pod mounting, and alignment requirements.

3.5 Post Installation Configuration & Checkout

Explains the need for post-installation configuration and checkout procedures for valid output.

3.6 Continued Airworthiness

Provides information on continued airworthiness instructions and 'on condition' maintenance.

4 SYSTEM INTERCONNECTS

4.1 Pin Function List

Lists pin functions and I/O for the P400 connector on the GWX 68 unit.

4.2 Power

Details aircraft power input requirements and remote on/off functions for the GWX 68.

4.3 Serial Data

Describes electrical characteristics for ARINC 429/453 and Ethernet HSDB serial data interfaces.

4.4 Configuration

Covers configuration module details, including ground, data, power, and clock connections.

4.5 Auto Pilot

Explains flight instrument inputs for pitch and roll attitude from AFCS.

APPENDIX A: OUTLINE & INSTALLATION DRAWINGS

Figure A-1. GWX 68 Outline Drawing

Provides dimensional drawings and mounting details for the GWX 68 antenna unit.

APPENDIX B INTERCONNECT DRAWINGS

Figure B-1. GWX 68 Typical G1000 Interconnect Wiring Diagram

Illustrates typical wiring connections between GWX 68 and G1000 system.

Figure B-2. GWX 68 Typical MX20 Interconnect Wiring Diagram

Shows typical wiring connections between GWX 68 and MX20 unit.

Figure B-3. GWX 68 Analog Stabilization Interconnect Wiring Diagram

Depicts wiring for analog stabilization inputs and outputs for the GWX 68.

Figure B-4. GWX 68 AHRS Stabilization Interconnect Wiring Diagram

Illustrates wiring for AHRS stabilization inputs and outputs for the GWX 68.