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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2. "Modbus function" AT command set
2.1 Summary of "Modbus Function" Commands
Command
Description
AT+MODWKMOD
Modbus mode
AT+MODPTCL
Protocol conversion
AT+MODGTWYTM
Storage Gateway Instruction Storage
Time and Query Interval
AT+MODCMDEDIT
Modbus RTU command pre-stored
2.2 Query Modbus working mode and command timeout time
Command
AT+MODWKMOD
Function
Query and set Modbus working mode
Send（Query）
AT+MODWKMOD<CR><LF>
Return
（Query）
<CR><LF>+OK=<Mode><Timeout><CR><LF>
Remarks
Mode: NONE (disables MODBUS)
SIMPL (Simple Protocol Conversion)
MULIT (Multi-Master Mode)
STORE (Storage Gateway)
CONFIG (Configurable Gateway)
AUTOUP (active upload mode)
Timeout:0-65535；
Inquire:
Send: AT+MODWKMOD\r\n
Received:\r\n+OK=SIMPL,100\r\n
set up:
Send: AT+MODWKMOD=MULIT,1000\r\n
Received:\r\n+OK\r\n
2.3 Enable Modbus TCP to Modbus RTU protocol conversion
Command
AT+MODPTCL
Function
Query and set protocol conversion（Modbus TCP<=>Modbus RTU）
Send（Query）
AT+MODPTCL<CR><LF>
Return
（Query）
<CR><LF>+OK=<Mode><CR><LF>
Remarks
Mode: ON(Enable protocol conversion)
OFF(Disable protocol conversion)