Microchip Technology GPS-2700, User Manual

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GPS-2700 USER’S GUIDE
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2020 Microchip Technology Inc. DS50003016A-page 7
Table of Contents
Preface ........................................................................................................................... 3
Purpose of This Guide........................................................................................... 3
Who Should Read This Guide............................................................................... 3
Document Layout .................................................................................................. 3
Conventions Used in this Guide ............................................................................ 4
Warnings, Cautions, Recommendations, and Notes............................................. 5
Where to Find Answers to Product and Document Questions .............................. 5
Related Documents and Information..................................................................... 5
The Microchip Website.......................................................................................... 6
Customer Support ................................................................................................. 6
Document Revision History ................................................................................... 6
Chapter 1. Introduction
1.1 Overview ....................................................................................................... 13
1.2 Operating Principles ...................................................................................... 13
1.3 General Safety Precautions .......................................................................... 14
1.3.1 Use an Approved Antenna Lightning Protector .......................................... 14
1.3.2 Grounding................................................................................................... 14
1.3.3 Power Connections .................................................................................... 14
1.3.4 Environmental Conditions........................................................................... 14
Chapter 2. Quick-Start Instructions
2.1 Powering Up the Unit .................................................................................... 15
2.2 Operating the Unit from a PC’s USB Port ..................................................... 15
2.3 Operating the Unit from the RS-232 Port ...................................................... 15
2.4 Major Connections ........................................................................................ 16
2.4.1 Harness Pinning ......................................................................................... 17
2.4.2 Harness Connectors J1 and J3 .................................................................. 18
2.4.3 Concurrent-GNSS Capabilities................................................................... 18
2.4.4 Connecting the GNSS Antenna.................................................................. 19
2.4.5 Connecting an LCD Display ....................................................................... 19
2.4.5.1 LCD Key ..................................................................................... 21
2.4.5.2 LCD Display Pages .................................................................... 21
2.5 Loop Parameter Adjustment.......................................................................... 25
2.6 Performance Graphs ..................................................................................... 26