Ebyte E840-DTU User Manual page 19

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Chengdu Ebyte Electronic Technology Co.,Ltd

a) Frame break time: When the serial port receives data, it will continuously detect the interval between two bytes.

If it is greater than the configuration time (50-2000ms), the device will automatically send the previously received data as

a data packet to Network side;

b) Packing length: When the serial port receives data, it will continuously check the length of the currently received

data. If the length of the configuration is exceeded (20~1024 bytes), the device will automatically send the previously

received data as a data packet to Network side;

8、Enable Ebyte IoT platform function

The AT+EBTIOT command is used to set whether the module enables the transparent transmission function of the

EBYTE cloud platform, after it is turned on, the information such as the heartbeat and registration packet configured by

the user will be invalid. The user only needs to set the forwarding relationship of the corresponding device to the

platform to implement the device. Data is transparent. For details of the related operations, please refer to the "Ebyte

Cloud Platform Transparent Transmission Guide".

9、Network AT command

E840-DTU(4G-02E) supports the connection to the network, and the module works in transparent transmission mode,

through the connected web page, remote query / configuration parameters,

the command format is:<Head>AT+CMD, where <Head> is the AT identifier of the device network.

The factory default is: EbyteNET, CMD is the corresponding command. Specifically, you can view the introduction of the AT

command.

(*Note: For the wrong network AT command, unified reply + ERRER)This demo uses the query baud rate as an

example:

E840-DTU(4G-02E) User Manual

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