User Manual
Table Of Contents
Chengdu Ebyte Electronic Technology Co., Ltd. E108-D01 User Manual
Copyright ©2012–2022, Chengdu Ebyte Electronic Technology Co., Ltd.
2
目录
1. Overview
.................................................................................................................................................................... 3
1.1 Introduction
...................................................................................................................................................... 3
1.2 Features
............................................................................................................................................................ 3
2. Quick Start
..................................................................................................................................................................3
2.1 Preparation
........................................................................................................................................................3
2.2 Operation demonstration
.................................................................................................................................. 4
3. Technical indicators
....................................................................................................................................................6
3.1 General Specifications
..................................................................................................................................... 6
3.2 GPS performance
............................................................................................................................................. 6
3.3 Mechanical dimension drawing
....................................................................................................................... 7
3.4 Pin and Indicator light Definitions
...................................................................................................................8
4. Modbus Register
.........................................................................................................................................................9
4.1 Communication Protocol
................................................................................................................................. 9
4.2 Register description
..........................................................................................................................................9
4.3 Register table
....................................................................................................................................................9
5. Use of Modbus RTU
................................................................................................................................................ 11
5.1 Holding Registers
........................................................................................................................................... 11
5.2 Read Holding Register Instruction
.................................................................................................................11
5.2.1 Read version number
.......................................................................................................................... 11
5.2.2 Read device address (broadcast)
......................................................................................................12
5.2.3 Read device baud rate
...................................................................................................................... 12
5.2.4 Read parity
....................................................................................................................................... 12
5.2.5 Read positioning data(RMC) .........................................................................................................13
5.3 Write Holding Register Instructions
.............................................................................................................. 14
5.3.1 Modify device address (broadcast)
..................................................................................................... 14
5.3.2 Modify baud rate
................................................................................................................................. 15
5.5.3 Modify the parity
.................................................................................................................................15
Revise history
............................................................................................................................................................... 15
About us
........................................................................................................................................................................16