Ebyte E842-DTU User Manual page 10

Chengdu Yiyit Electronic Technology Co., Ltd
6、Click on MQTT mode
7、Select the corresponding cloud platform (standard MQTT protocol platform select Baidu cloud).
8、Fill in the device name, username, password, address, port, subscription, publish, and subscription publishing message
level
9、(Alibaba Cloud is the product key, device name, device key, address, port, subscription, publish, and subscription publishing
level.)
10、ONENET is the device ID,product ID,authentication information, address, port, subscription, publication, and subscription
publishing message level).
11、Click to save all parameters
12、Click the device to restart
Introduction to the feature
4.4 ModBus TCP to RTU feature
When this option is turned on using parameter configuration software, the ModBus
converted.
When the device receives the data, it will detect whether the data meets the Modbus RTU or ModbusTCP
if it does, start the conversion function or output the original data.
The device serial receives ModbusT RTU instructions in the following format(16 feed):
01 06 00 01 01 19 CA(ModbusT
01 06 00 01 00 01 01(ModbusT TCP).
The network side receives data as:00 00 00 00
the data as:
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RTU),when the conversion is turned on, the server receives data for:00 00 00 00
00 06 01 06 00 01 00 01(ModbusT
E842-DTU（EC03-485)User manual
TCP and RTU are automatically
protocol, and
TCP)andthe device serial endoutputs
00 06
10