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Shenzhen Mingqian Technology Co., Ltd.

China Manufacturer with main products: Door Access Controller, Card Reader Door Lock, Switch Power Supply, Card Access Control

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Converter rs232 to rs485 for Automation Control Systems

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Place of Origin: Beijing in China


Converter rs232 to rs485 for Industrial Automation Control Systems



Product Model :EA-01 

 Interface Features:compatible with RS-232,  RS-485 standard.

 Electrical Interface:RS-232 port with DB9 (holes),

           RS-485 port with DB9(pin)and 5 wiring terminals.

Transmission Medium :normal cables , twisted-pair cables or shielded cables

Transmission Speed : 300~115-21BDS 

Transmission Distance :5 m(RS-232 port),   1.2 m(RS-485port ).

Transmission Signals:RS-232:TXD, RXD, RTS, CTS, DTR, DSR, DCD, CND;
                      RS-485:Date+, Date-, GND 

 Working Environment :-10℃ to  85℃.

 Working  Humidity : 5% to  95%



1. three kinds of indicators light the data traffic communication situation in time,  support the transformation of RS-232 to RS-485.

2. the internal ciucuitry of converter can automatically sense the direction of data flow and enable to control itself by automatic switching.

3.RS-232 interface is connected to the computer by a DB9 female connector; the connection of RS-485 is through a DB9 connector or by the six terminals

4.Widely used in industrial automation control systems,  card access control systems,  leave without pay parking lot systems,  
Automated banking systems,  bus fare system,  ,  attendance management systems,  highway toll station systems,  etc.

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