Network At Function - Ebyte E842-DTU User Manual

Table of Contents

Chengdu Yiyit Electronic Technology Co., Ltd

01 06 00 01 00 01 19 CA（ModbusT RTU）；

Note: In the Modbus TCP standard protocol, the thing element identifier is specified, and in E842-DTU(EC03-485), the user

can configure the value through the AT-MTCPID, and when the value is configured to 0, the receiving end resolves and converts

all Modbus TCP-compliant data, otherwise only the packet identifier applied will be converted with the same identifier as the

device configuration.

4.5 Serial packaging feature

E842-DTU (EC03-485) serial frame break time and packaging length can be configured, and the user can configure frame

break time and package length through parameter configuration software.

Frame break time: When the frame break time receives data for a serial port, the interval between two bytes of phase

collar is constantly detected, and if it is greater than the user's configured time (which can be set to 50-2000ms),the device

automatically sends the previously received data as a packet to the network side;

Package length: When packaging the length of the serial to receive data, the currently received data length is constantly

checked, if the length of the user configuration (can be set to 20 to 1024 bytes), the device will automatically receive the

previously received data as a packet to the network side;

4.6 Network AT functionality

E842-DTU (EC03-485)) supports networking on the connection, and the module works in transmission mode after sending

commands in the following format via connected web pages, remote queries/configuration parameters

< Head > AT-CMD, where the < Head > is the device network AT identifier, which is factory default:EbyteNET, and CMD is

the corresponding command

E842-DTU（EC03-485)User manual

Table of Contents

Ec03-485