Converter rs232 to rs485 for Automation Control Systems

Converter rs232 to rs485 for Industrial Automation Control Systems

Specification

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%

Advantage

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.