Serial Converter

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MWE820A, USB to RS485/RS422 Converter
  • 1 USB Interface, 1 RS485/422 Serial Port
  • USB2.0 standard with USB Interface Powered
Features and Benefits
  • Support 0~12Mbps baud rate adaptive, 128-node terminal devices communication
  • Support automatic identification of RS485 data flow direction and zero-delay automatic forwarding
  • Compact structure, small size, easy to install
  • Support wide operating temperature:-40℃~+85℃
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  • Overview
  • Specifications
  • Downloads
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Product Description

The MWE820A converter is a USB to RS485/422 interface converter that can realize bidirectional conversion of data between USB and serial port without the need for an external power supply. This product supports operating systems such as Linux v2.4, Windows 98/2000/XP/2003/7 and Mac OS8/9, provides supporting drivers. It can expand the USB interface to RS485/422 serial port, and adopts a unique serial port protection circuit with anti-static, anti-lightning and surge suppression functions. Built-in intelligent module and automatically identifies the direction of RS485 data flow, automatically forwards with zero delay, and adapts to 0~12Mbps baud rate. Industrial-grade design, with good high and low temperature resistance, it can operate stably in -40℃~+85℃ temperature environment. The hardware adopts fanless, low power consumption, and wide temperature design, which can be widely used in indoor and outdoor systems such as attendance, access control, PTZ control, food vending, and parking lot.

Features and Benefits

Interface

USB

Standard: Comply with USB2.0 standard

Number of interfaces: 1 USB2.0

Connection method: Type-A USB (Female)

Operating system: Linux v2.4 and above, WIN98/ 2000/XP/2003/7, Mac OS8/9

Serial Port

Standard: Comply with EIA RS485, RS422 standards

Number of interfaces: 1 RS485/422

RS485/422 signal: T+ (A+), T- (B-), R+, R-, GND

Baud rate: 0~12Mbps

Load capacity: supports 128 nodes

Direction control: automatic identification of data flow direction, automatic forwarding with zero delay

Communication Distance: 1.5km, the higher the speed, the shorter the distance

Connection method: 5-pin terminal block

Power Supply

Input Voltage

USB interface powered

Working Current

＜1W

Physical Characteristics

Dimensions

66×13×26(mm)

Weight

About 0.03kg

Working Environment

Operating Temp

-40℃~+85℃

Storage Temp

-40℃~+85℃

Relative Humidity

5%~95%(non-condensing)

Industrial Standard

Certification

CE, FCC, RoHS

NAME

VERSION

download

MWE820A Datasheet

V1.1

MWE820A User Manual

Version 1.1

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