Product Overview; Product Introduction; Features - Ebyte E90-DTU User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

1 Product Overview

1.1. Product introduction

E90-DTU(433C30E)_V2.0 supports adaptive network rate (up to 100M full-duplex), provides six working modes
of TCP Server, TCP Client, UDP Server, UDP Client, HTTP Client, and MQTT Client. Mode supports six-way
client connection;
It supports a variety of Modbus gateways, which can perform simple interconversion between Modbus TCP data
and Modbus RTU data, record and send the read commands, and actively upload to the server through pre-stored
commands;
Different from traditional digital radios, E90-DTU(433C30E)_V2.0 is specially developed for Modbus application
scenarios. The feature of unlimited package length can replace communication cables and is a worry-free choice for
Modbus wireless upgrades. The radio works in the 433MHz frequency band, and the communication distance can
reach 3km;

1.2. Features

Support high-speed continuous transmission and uninterrupted transmission, no data packetization,

unlimited data packet length, adapt to Modbus protocol;
The industrial-grade design can work in the environment of -40℃～+85℃, and the wide voltage input (DC

8～28V) supports reverse polarity protection;
All aluminum alloy shell, compact size, easy installation, good heat dissipation;

Perfect shielding design, good electromagnetic compatibility, strong anti-interference ability;

RJ45 adaptive 10/100M Ethernet interface;

Support hardware reset to factory settings;

Support multiple working modes (TCPS, TCPC, UDPS, UDPC, HTTPC, MQTTC);

Support three configuration methods: configuration tool, web page and AT command;

Server mode supports up to 6 socket connections;

Support DHCP function;

Support DNS (domain name resolution), and custom domain name resolution server;

Support multiple Modbus gateways (simple protocol conversion, multi-host mode, storage gateway,

configurable gateway, etc.);
Supports quick access to Alibaba Cloud, Baidu Cloud, OneNET, Huawei Cloud, and standard MQTT

servers of version 3.1;
Support HTTP protocol (GET/POST request);

Support timeout restart function and disconnection reconnection, and the number of times can be

customized;
Support short connection function, the short connection interval can be customized;

Supports sending a variety of heartbeat packets and registration packets;
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E90-DTU(433C30E)-V2.0 User Manual
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