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Home / Products / Din Rail Serial to WiFi / Din Rail RS485 to WiFi Converters | RS485 to 802.11 a/b/g/n WLAN Serial Device Servers
Home / Products/ Din Rail Serial to WiFi / Din Rail RS485 to WiFi Converters | RS485 to 802.11 a/b/g/n WLAN Serial Device Servers
Din Rail wifi converters
  • Din Rail wifi converters
  • Din Rail serial to wifi,
  • Din Rail RS485 to WiFi Converters
  • Din Rail RS485 to WiFi Converters

USR-DR404

USR-DR404

Din Rail RS485 to WiFi Converters | RS485 to 802.11 a/b/g/n WLAN Serial Device Servers

Din Rail RS485 to WiFi Converters | RS485 to 802.11 a/b/g/n WLAN Serial Device Servers


USR-DR404 is a Din Rail RS485 to WiFi converter which can realizes bidirectional transparent transmission between RS485 and WiFi / Ethernet.
● 1-port RS485 to 802.11 a/b/g/n WLAN Serial Device Server
● Links serial and Ethernet devices to an IEEE 802.11a/b/g/n network
● Supports TCP server/client, UDP server/client,https client, Virtual COM
● Supports Modbus RTU to Modbus TCP
● Supports multiple networking mode with 1 RJ45 ethernet port
● MQTT special firmware (contact sales)
Introduction of DR(Din-Rail)series products

DR(Din-Rail)series products are our newly launched devices which include
serial device server, 4G cellular modem, 4G industrial router and other product
models, Equipped with 35mm din-rail clasp, this products are more suitable for

device connecting internet.
Based on wifi network:USR-DR404

Features of DR404.jpg
Product Detail Of WIFI serial device server USR-DR404

Product Detail

PC + ABS material, light and easy to carry, low cost, high performance,
V0 class flame retardant rating, to ensure the safety

WIFI serial device server USR-DR404 with Din-rail Installation design

Din-rail Installation

Compact size, less space, wide application, Guide buckle, flexible and easy to install,
less management and maintenance, high cost performance.

Fundamental Function of WIFI serial device server USR-DR404

Fundamental Function

Bidirectional Transparent transmission
between RS485 and Wi-Fi / Ethernet

Function Structure introduction of WIFI serial device server USR-DR404,

Function Structure

DR404产品描述--外贸版(无字版)_07.jpg

Work Mode

Transparent Transmission Mode

Data is transmitted transparently between serial port and
Wi-Fi / Ethernet via DR404, enabling data transfer
between serial port device and network device

WIFI serial device server USR-DR404

Serial Command Mode

The user sends data to the server according to the protocol
and can send data to different servers without restarting.

WIFI serial device server USR-DR404

httpsD Client Mode

After the user completes the https header with an AT instruction or
web page setup, DR404 can pass data to or from the https server.

WIFI serial device server USR-DR404

AT Command Mode

Users can query the current status of DR404
or set relevant parameters by sending AT instructions

Features of WIFI serial device server USR-DR404

Features

Modbus Gateways

Mode of transferring data
between Modbus TCP and Modbus RTU.

Socket Distribution

In transparent transmission mode, the serial device
can send data to the specified Socket connection.
Network data for each Socket are sent to
the serial device via the serial port.

Quick Networking Protocol
USR-LINK

Mobile phone connect to the AP of DR404,you can directly
set the specified AP to which DR404 connects by querying
surrounding AP’s SSID list through USR-LINK, which is
convenient and fast. You can quickly connect to the Internet
without operating DR404.

Custom Registration Package,
Heartbeat Package

The registry package is used for easy device
identification from the server.

WIFI serial device server USR-DR404 with Hardware Protection function

Hardware Protection

ESD 4 level Electrostatic Discharge Immunity, 3 level Surge Immunity,
EFT 3 level Electrical Fast Transient / Burst Immunity.

WIFI serial device server USR-DR404
WIFI serial device server USR-DR404
WIFI serial device server USR-DR404: Related Production

Packing list

Packing list one serial device server and Wi-Fi antenna, if you need power adapter,
contact our sales.

Application Cases of WIFI serial device server USR-DR404

Application Case

Smart Factory Data Collection and Transmission

Compact wireless device server DR404 is connected to the serial port device in the factory, and the device
operation data is uploaded to the local monitoring platform or USR cloud
platform in real time. Through the monitoring platform, the staff can
dynamically understand the operation of the monitored equipment.

WIFI serial device server USR-DR404

Textile Machinery Factory Data Acquisition and Transmission

Compact size, less space. Equipped with DIN- rail for easy mounted,
The terminal data of the PLC can be quickly uploaded to the monitoring platform,
so that the staff can understand the PLC work in real time.

Introduction of DR(Din-Rail)series products

DR(Din-Rail)series products are our
newly launched devices which include
serial device server, 4G cellular modem,
4G industrial router and other product
models. Equipped with 35mm din-rail clasp,
this products are more suitable for
device connecting internet.

Based on wifi network:USR-DR404

Features of DR404.jpg
Product Detail Of WIFI serial device server USR-DR404

Product Detail

PC + ABS material, light and easy to carry,
low cost, high performance,
V0 class flame retardant rating,
to ensure the safety

WIFI serial device server USR-DR404 with Din-rail Installation design

Din-rail Installation

Compact size, less space, wide application,
Guide buckle, flexible and easy to install,
less management and maintenance,
high cost performance.

Fundamental Function of WIFI serial device server USR-DR404

Fundamental Function

Bidirectional Transparent transmission
between RS485 and Wi-Fi / Ethernet

Function Structure introduction of WIFI serial device server USR-DR404,

Function Structure

DR404产品描述--外贸版(无字版)_07.jpg

Work Mode

Transparent Transmission Mode

Data is transmitted transparently between
serial port and Wi-Fi / Ethernet via DR404,
enabling data transfer between serial port
device and network device

WIFI serial device server USR-DR404

Serial Command Mode

The user sends data to the server according to
the protocol and can send data to
different servers without restarting.

WIFI serial device server USR-DR404

httpsD Client Mode

After the user completes the https header with
an AT instruction or web page setup, DR404
can pass data to or from the https server.

WIFI serial device server USR-DR404

AT Command Mode

Users can query the current status of DR404
or set relevant parameters by sending
AT instructions

Features of WIFI serial device server USR-DR404

Features

Features of WIFI serial device server USR-DR404

Modbus Gateways

Mode of transferring data between Modbus TCP
and Modbus RTU.

Features of WIFI serial device server USR-DR404

Socket Distribution

In transparent transmission mode,
the serial device can send data to
the specified Socket connection.
Network data for each Socket are sent
to the serial device via
the serial port.

Features of WIFI serial device server USR-DR404

Quick Networking Protocol
USR-LINK

Mobile phone connect to the AP of DR404,
you can directly set the specified AP
to which DR404 connects by querying
surrounding AP’s SSID list through
USR-LINK, which is convenient and fast.
You can quickly connect to the Internet
without operating DR404.

Features of WIFI serial device server USR-DR404

Custom Registration Package,
Heartbeat Package

The registry package is used for easy device
identification from the server.

WIFI serial device server USR-DR404 with Hardware Protection function

Hardware Protection

ESD 4 level Electrostatic Discharge Immunity,
3 level Surge Immunity, EFT 3 level
Electrical Fast Transient/Burst Immunity.

WIFI serial device server USR-DR404
WIFI serial device server USR-DR404
WIFI serial device server USR-DR404: Related Production

Packing list

Packing list one serial device server and
Wi-Fi antenna, if you need power adapter,
contact our sales.

Application Cases of WIFI serial device server USR-DR404

Application Case

Smart Factory Data Collection and Transmission

DR404 is connected to the serial port device in
the factory, and the device operation data is
uploaded to the local monitoring platform or
USR cloud platform in real time. Through the
monitoring platform, the staff can dynamically
understand the operation of the monitored equipment.

WIFI serial device server USR-DR404

Textile Machinery Factory Data Acquisition and Transmission

Compact size, less space, Equipped with DIN-rail
for easy mounted, The terminal data of the PLC
can be quickly uploaded to the monitoring platform,
so that the staff can understand the PLC work
in real time.

 

Ethernet

Port Number

1 Ethernet Ports: 1 x WAN/LAN

Buffer

RX/TX: Max 4K bytes

Protection

2KV Electromagnetic isolation for Ethernet port

Speed Rate

10/100Mbps, MDI/MDIX

Wi-Fi

Certificate

FCC/CE

WiFi

802.11 b/g/n

FrequencyRange

2.412GHz-2.484GHz

TransmitPower

802.11b: +19dBm(Max.@11Mbps)

802.11g: +18dBm(Max.@54Mbps)

802.11n: +17dBm(Max.@HT20,MCS7)

                 +17dBm(Max.@HT40,MCS7)

User can configure power

ReceiveSensitivity

802.11b: -89dBm(@11Mbps)

802.11g: -81dBm(@54Mbps)

802.11n: -73dBm(@HT20,MCS7)

         -71dBm(@HT40,MCS7)

Hardware

InterfaceStandard

RS485:300~230.4Kbps

485 interface (anti surge, anti thunder, overcurrent protection)

Input Voltage

DC5~36V

Operating Temp

-40℃~85℃

StorageTemp

-40℃~125℃

Size

109.66*28*64.71mm(L*W*H)

Software

Network Mode

Station/AP/AP+Station

Security 

WPA-PSK/WPA2-PSK

Encryption

TKIP/AES

Work Mode

Transparent transmission/Serial command/

https Client/Modbus TCP<=>Modbus RTU

SettingCommand

AT+ command

Networking Protocol

TCP/UDP/ARP/ICMP/DHCP/DNS/https

Max Client Numberin TCP Server Mode

24

Configuration

Web server+AT command

Customer application software

Support customize application software

 

Intelligent Remote Distribution Box Monitoring Solution

Intelligent Remote Distribution Box Monitoring SolutionJun 10,2021

The distribution box is embedded with the DTU distribution device, distribution device power module, and distribution device power supply. By leveraging the intelligent remote monitoring function, you can remotely collect the electric meter readings and implement networked transmission. In addition, with the help of electricity monitoring platform of USR Cloud, you can manage and control the electricity safety and electric energy over the cloud.

  • Intelligent Remote Distribution Box Monitoring Solution
    The distribution box is embedded with the DTU distribution device, distribution device power module, and distribution device power supply. By leveraging the intelligent remote monitoring function, you can remotely collect the electric meter readings and implement networked transmission. In addition, with the help of electricity monitoring platform of USR Cloud, you can manage and control the electricity safety and electric energy over the cloud.
title update date operation
STA Mode Test Manual for USR-DR404 2020-Aug-Fri details>

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