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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd.
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Contents
1. "Basic function" AT command set......................................................................................................... 1
1.1 Summary of Basic Configuration Instructions.............................................................................2
1.2 Enter AT Command......................................................................................................................3
1.3 Exit AT Command........................................................................................................................3
1.4 Query Model................................................................................................................................ 3
1.5 Query/Set Name...........................................................................................................................4
1.6 Query/Set ID................................................................................................................................ 4
1.7 Reboot.......................................................................................................................................... 5
1.8 Reset.............................................................................................................................................5
1.9 Query version Information...........................................................................................................5
1.10 Query MAC Address..................................................................................................................5
1.11 Query/Set Native LORA Parameters......................................................................................... 6
1.12 Set Remote LORA Parameters...................................................................................................7
1.13 Query/Set Network Parameters..................................................................................................8
1.14 Query/Set Local Port Number....................................................................................................8
1.15 Query/set the working mode of the machine and network parameters of the target device...... 9
1.16 Query Network Link Status..................................................................................................... 10
1.17 Query/Set Serial Port Cache Clearing Status...........................................................................10
1.18 Query/set Registration Package Mode.....................................................................................10
1.19 Query/set custom registration package content........................................................................11
1.20 Query/set the heartbeat packet mode....................................................................................... 11
1.21 Query/set heartbeat data...........................................................................................................12
1.22 Query/set short connection time.............................................................................................. 12
1.23 Query/set timeout restart time..................................................................................................13
1.24 Query/set the time and times of disconnection and reconnection............................................13
1.25 Web Configuration Port........................................................................................................... 14
2. "Modbus function" AT command set................................................................................................... 15
2.1 Summary of "Modbus Function" Commands............................................................................ 15
2.2 Query Modbus working mode and command timeout time...................................................... 15
2.3 Enable Modbus TCP to Modbus RTU protocol conversion...................................................... 15
2.4 Set Modbus gateway command storage time and automatic query interval..............................16
2.5 Query and edit of pre-stored commands of Modbus configuration gateway.............................16
3. "Internet of Things" AT command set..................................................................................................18
3.1 Summary of "IoT Capabilities" Directives................................................................................ 18
3.2 MQTT and HTTP target IP or domain name configuration.......................................................18
3.3 Query/set HTTP request method................................................................................................18
3.4 Query/Set HTTP URL Path........................................................................................................19
3.5 Query/Set HTTP headers........................................................................................................... 19
3.6 Query/Set MQTT target platform.............................................................................................. 20
3.7 Query/set MQTT keep-alive heartbeat packet sending cycle.................................................... 20
3.8 Query/set MQTT Device Name (Client ID).............................................................................. 21
3.9 Query/Set MQTT Username (User Name/Device Name)......................................................... 21