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Wuhan Maiwe Communication Co., Ltd. was established in 2001, committing to Industrial Ethernet Switches, EN50155 Switches, Embedded Communication Modules, Device Networking Products, Industrial Wireless Equipment and IIoT related products over 20 years. The products have penetrated into the power, rail transit, industrial automation, new energy, mining, military industry, environmental protection, petrochemicals and industrial controlling fields. Its main products support standard protocol like RSTP, MSTP, VRRP, EAPS, OSFP, Modbus and so on, also have obtained CE, FCC, RoHS, EN50155 and some other international certifications.

MWE485-D

RS232 to RS485/RS422 Isolated Serial Converter

Features and Benefits

Photoelectricity isolation between the RS-232 and RS-485/422 signal
Particular protecting circuit for the serial port, plus-and-play supported
Automatically transmit with no delay,no need CTS flow control

Online consultation

Overview
Specifications
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Ordering Information

Product Description

MWE485-D 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. It needs a +5V DC power supply. The main function is to realize the bidirectional mutual conversion between RS-232 signal and RS-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.

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.

Technical parameters
Standard	Compliant with EIA RS-232, RS-485, RS-422 standards
Interface
Interface form	RS-232: DB9 interface RS-485/RS-422: Industrial terminal block
Communication rate
Baud Rate	300bps~38.4kbps
LEDs
Power indicator	POW(Red): Always lit when the power is connected normally
Serial port transceiver indicator light	︾(Green): Flashes when data is being sent or received ︽(Yellow): Flashes when data is being sent or received
Power
Power Supply	Serial Port Powered, external supply DC5V, external supply DC 9~30V
Interface	DB9 interface, industrial terminal block
Physical Characteristics
Shell	DB9 plastic case
Dimension	87mm×17mm×33mm
Weight	0.03kg
Transmission distance
Serial port line	RS-232, 15m@9600bps RS-422/RS-485, 1.2km@9600bps
Working Environment
Operating Temperature	-40°C~85°C
Storage temperature	-40°C~85°C
Ambient Humidity	5%~95%
Warranty
Warranty	5 Years
Certification
Certification	CE, FCC, RoHS

NAME	VERSION	download
MWE485-D User manual

Order Info	Data Interface	Transmission rate	Isolation protection	Power supply
MWE485-D	RS232 to RS422/RS485	300bps～38.4Kbps	Isolated	External DC5V power supply

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