Serial Converter

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MWE820B, USB to RS232/485/422 Converter
  • 1 USB Interface, 1 RS232/485/422 Serial Port
  • USB2.0 standard with USB Interface Powered
Features and Benefits
  • Support 0~12Mbps baudrate adaptive, 128-node terminal devices communication
  • Support automatic identification of RS485 data flow direction and zero-delay automatic forwarding
  • Support 15kV electrostatic protection and 600W/ms lightning protection
  • -40℃~+85℃ working temperature
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  • Overview
  • Specifications
  • Downloads
  • Models
Product Description

The MWE820B converter is a USB to RS232/485/422 interface converter that can realize bidirectional data conversion between USB and serial port without external power supply. This product supports Linux v2.4, Windows98/2000/XP/2003/7 and Mac OS8/9 and other operating systems and provides supporting drivers. It can expand the USB interface to RS232/485/422 serial port, and adopts a unique serial port protection circuit has anti-static, anti-lightning and surge suppression functions.It features built-in intelligent module, automatically identifies the direction of RS485 data flow, automatically forwards with zero delay, and adapts to 0~12Mbps baud rate. Industrial-grade design, with high and low temperature resistance, which can operate stably in -40℃~+85℃ temperature environment. The hardware adopts fanless, low power consumption, and wide temperature design, and can be widely used in indoor and outdoor systems such as attendance, access control, PTZ control, food vending, and parking lots.

Features and Benefits

Interface

USB

Standard: Comply with USB2.0 standard

Number of interfaces: 1 USB2.0

Connection method: Type-B USB (Female)

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

Serial Port

Standard: Comply with EIA RS232, RS485, RS422 standards

Number of interfaces: 1 RS232/485/422

RS232/485/422 signal: TX, RX, GND, A+, B-, TX+, RX+, TX-, RX-

Baud rate: 0~12Mbps

Load capacity: RS485/422 supports 128 node polling, RS232 supports point-to-point

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

Communication Distance: RS485/422: 1.5km, the higher the rate, the shorter the distance

Connection method: 10-pin 5.08mm pitch terminal block

Interface protection: 15kV electrostatic protection, 600W/ms lightning protection

Status LED

Power indicator

Serial port sending data indicator  

Serial port receiving data indicator

Power Supply

Input Voltage

USB interface powered

Working Current

＜2W

Physical Characteristics

Dimensions

103×72×34mm (DIN rail clips excluded)

Installations

Easy installation on 35mm DIN rail

Weight

About 0.1kg

Working Environment

Operating Temperature

-40℃~+85℃

Storage Temperature

-40℃~+85℃

Relative Humidity

5%~95% (non-condensing)

Industrial Standard

Certification

CE, FCC, RoHS

NAME

VERSION

download

MWE820B Datasheet

V1.1

MWE814-MWE820B-MWE820A driver

MWE820B User Manual

Version 1.1

Standard Model

USB

RS232/485/422

Power Supply

MWE820B

1

1

USB
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enquiry@maiwe.com

+86 27 87170217

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