Serial Converter

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MWE485-C RS232 to RS422/RS485 Converter
  • 1×RS232 to 1×RS485/RS422 Port-Powered converter
Features and Benefits
  • Support transparent transmission, auto-sensing baud rate, up to 38400bps/57600bps/115200bps optional
  • Specific serial port protection circuit, hot swapping supported
  • Support RS485 data flow direction auto control, 64/128 nodes polling
  • Equipped with integrated industrial wiring terminal block with terminal resistor
  • Active or passive models optional, the passive models can be powered through serial port without external power supply
  • Support electrostatic protection and lightning protection, fiber/copper port isolation
  • Support working temperatures from -40 ℃ to +85 ℃
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  • Overview
  • Specifications
  • Downloads
  • Models
Product Description

MWE485-C can convert a 3 wires (RX,TX,GND) RS-232 serial port signal to a 2 wires semi duplex RS-485 signal or to a 4 wires full duplex RS-422 signal without external power supply. The main function is to realize the bidirectional mutual conversion between RS-232 signal and RS-422/485 signal. The series products are powered by serial port stealing or external power supply, which has small size, long distance, stable performance and other characteristics. At the same time, the series of products are easy to install and meet the needs of industrial field serial port data conversion, and are widely used in intelligent power management, intelligent traffic bayonet, water conservancy monitoring, industrial automation and other systems.

The MWE485-A/B/C/D/E/F series interface converters can convert RS232 port to RS485/422 port. It can achieve bidirectional data conversion between serial ports, and the converter can automatically detect the baud rate of the serial port and be convenient to use, the data flow will not loss even if the baud rate of the device changes. It uses I/O circuit to automatically control the direction of data flow, without the handshake signal settings, ensuring compliance with existing communication software and interface hardware. It supports hot swapping and can operate stably even in temperature environments ranging from -40 ℃ to +85 ℃. It can be widely used in indoor and outdoor serial field-bus systems.

Features and Benefits

-RS-485 two-wire half-duplex communication, RS-422 four-wire full duplex;

-Equipped with integrated industrial wiring terminal, standard DB9-hole serial port;

-Unique serial port protection circuit, which can be hot-swappable when power is on;

-Built-in intelligent module, automatic identification of RS-485 signal flow direction, without CTS flow control;

-Signal line 600W/ms anti-lightning protection and 15KV anti-static protection;

-Transparent transmission, self-adapting baud rate, no need to change user protocol;

-Industrial-grade design, optimized imported components, all surface mount technology.

Model

MWE485-A

MWE485-B

MWE485-C

MWE485-D

MWE485-E

MWE485-F

Serial Port

1*RS232 DB9F

1*RS485 DBM/4-pin block

1*RS485/422 DBM/ 6-pin block

1*RS485 DBM/ 4-pin block

Baud Rate

300~115200

300~38400

300~115200

300~38400

300~57600

Transmission Distance

RS485/ RS422:1.2km(19.2kbps)

Number of nodes

RS485/RS422: Up to 128 nodes

RS485/ RS422: Up to 64 nodes

Terminal Resistor

RS485/RS422: 120Ω(Jumper setting)

Power Input

Port powered

DC5V

Port powered

DC5V

Port powered

Working Current

<10mA

<15mA

<10mA

<15mA

<10mA

Dimension

87x33x17(mm)

89x33x17(mm)

87x33x17(mm)

Weight

36g(With terminal block)

38g(With terminal block)

36g(With terminal block)

Operating Temp

-40℃~+85℃

Static Protection

15kV

Lightning Protection

600W/ms

1200W/ms

600W/ms

Optical Isolation

/

2.5kV

/

2.5kV

NAME

VERSION

download

MWE485-C Datasheet

V1.1

MWE485-C User manual

Model

Conversion Mode

Baud Rate

Isolation

Power Input

MWE485-A

RS232 to RS485

300bps~115.2kbps

-

Port-powered

MWE485-B

RS232 to RS485

300bps~38.4kbps

2.5kV

External DC5V

MWE485-C

RS232 to RS485/422

300bps~115.2kbps

-

Port-powered

MWE485-D

RS232 to RS485/422

300bps~38.4kbps

2.5kV

External DC5V

MWE485-E

RS232 to RS485/422

300bps~38.4kbps

2.5kV

Port-powered

MWE485-F

RS232 to RS485

300bps~57.6kbps

2.5kV

Port-powered
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