HF Elfin-EG10, Manual

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4G_2G DTU Products Function
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TABLE OF CONTENTS
TABLE OF CONTENTS
........................................................................................................................... 3
LIST OF FIGURES .................................................................................................................................. 6
LIST OF TABLES .................................................................................................................................... 6
1. FUNCTION DESCRIPTION ................................................................................................. 8
1.1. Basic Network Protocol ................................................................................................... 8
1.2. Working Mode .................................................................................................................. 8
1.2.1. Transparent Throughput Mode .................................................................................. 8
1.2.2. SMS Throughput Mode .............................................................................................10
1.2.3. SOCKA HTTP Mode ...................................................................................................10
1.2.4. SOCKA WebSocket Mode .........................................................................................14
1.2.5. SOCKA MQTT Mode ..................................................................................................16
1.3. Registration Package Function ....................................................................................17
1.4. Heartbeat Package Function ........................................................................................18
1.5. Multi-Socket Communication Function .......................................................................19
1.6. Multi-Socket Data Differentiation Function .................................................................19
1.7. Serial Frame Scheme .....................................................................................................20
1.8. Firmware Updates ..........................................................................................................20
1.9. IOTService Software ......................................................................................................22
1.9.1 IOTService Serial Port Configuration .............................................................................22
1.9.2 IOTService Network Mode Configuration ......................................................................24
1.10. Modbus Protocol ............................................................................................................26
1.11. NTP Function ..................................................................................................................27
1.12. Virtual Serial Port Function...........................................................................................27
1.13. HIS Script Funciton(Only 4G Product Support) ..........................................................28
2. AT INSTRUCTION INTRODUCTION ............................................................................................. 30
2.1. Working Mode ................................................................................................................30
2.1.1. Switching to Command Mode ........................................................................................ 30
2.2. Send AT Command in Transparent Transmission Mode ...........................................31
2.3. SMS AT Command .........................................................................................................32
2.4. Overview of the AT Instruction Set ..............................................................................32
2.4.1. Instruction Syntax Format ............................................................................................... 32
2.4.2. AT Instruction Set ............................................................................................................ 33
2.4.2.1. AT+H ............................................................................................................................... 35
2.4.2.2. AT+E
............................................................................................................................... 35
2.4.2.3. AT+CMDPW ..................................................................................................................... 35
2.4.2.4. AT+WEL
.......................................................................................................................... 36
2.4.2.5. AT+HOST
......................................................................................................................... 36
2.4.2.6. AT+ENTM ........................................................................................................................ 36
2.4.2.7. AT+VER
........................................................................................................................... 37