Phau Ntawv Qhia
Table Of Contents
- 1."Basic function" AT command set
- 1.1 Summary of Basic Configuration Instructions
- 1.2 Enter AT Command
- 1.3 Exit AT Command
- 1.4 Query Model
- 1.5 Query/Set Name
- 1.6 Query/Set ID
- 1.7 Reboot
- 1.8 Reset
- 1.9 Query version Information
- 1.10 Query MAC Address
- 1.11 Query/Set Native LORA Parameters
- 1.12 Set Remote LORA Parameters
- 1.13 Query/Set Network Parameters
- 1.14 Query/Set Local Port Number
- 1.15 Query/set the working mode of the machine and
- 1.16 Query Network Link Status
- 1.17 Query/Set Serial Port Cache Clearing Status
- 1.18 Query/set Registration Package Mode
- 1.19 Query/set custom registration package content
- 1.20 Query/set the heartbeat packet mode
- 1.21 Query/set heartbeat data
- 1.22 Query/set short connection time
- 1.23 Query/set timeout restart time
- 1.24 Query/set the time and times of disconnection
- 1.25 Web Configuration Port
- 2."Modbus function" AT command set
- 3."Internet of Things" AT command set
- 3.1 Summary of "IoT Capabilities" Directives
- 3.2 MQTT and HTTP target IP or domain name configu
- 3.3 Query/set HTTP request method
- 3.4 Query/Set HTTP URL Path
- 3.5 Query/Set HTTP headers
- 3.6 Query/Set MQTT target platform
- 3.7 Query/set MQTT keep-alive heartbeat packet sen
- 3.8 Query/set MQTT Device Name (Client ID)
- 3.9 Query/Set MQTT Username (User Name/Device Name
- 3.10 Query/Set MQTT Product Password (MQTT passwor
- 3.11 Query/Set the Product Key of Alibaba Cloud MQ
- 3.12 Query/set MQTT subscription topic
- 3.13 Query/Set MQTT publish topic
- 4.AT Configuration Example
- Revision History
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set
Copyright ©2012–2022,Chengdu Ebyte Electronic Technology Co., Ltd.
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1. "Basic function" AT command set
Instructions for use of E90-DTU (xxxSLxx-ETH) instruction manual:
1. Enter the AT command mode: the serial port sends +++ , send AT again within 3 seconds, and
the device returns +OK , then enter the AT command mode;
2. This instruction manual supports E90-DTU(230SL22-ETH)_V2.0, E90-DTU(230SL30-
ETH)_V2.0, E90-DTU(400SL22-ETH)_V2.0, E90-DTU(400SL30-ETH) _V2.0, E90-
DTU(900SL22-ETH)_V2.0, E90-DTU(900SL30-ETH)_V2.0 and other E90 gateways;
3. In the following text, "<CR><LF>" and "\r\n" represent line breaks in different text formats,
which are actually HEX (0x0D and 0x0A);
4. Support network AT command configuration, which can realize network AT configuration
through TCP/UDP transparent transmission mode, please do not use AT configuration in Modbus
gateway mode.
5. TCP server/TCP client use:
6. UDP Server/UDP Client Use:










