Economical Anti-static RS232 to RS485 Passive Interface Converter

Specifications

Economical Anti-static RS232 to RS485 Passive Interface Converter
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With CE/RoHS/FCC
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Economical Anti-static RS232 to RS485 Passive Interface Converter Introduction:

 

 

HC-05 is a RS-232 and RS-485 bi-directional interface between the converter.Simple second-line communications can be RS485 multi-point framework for communications networks.Has been widely used in point-to-point, point-to-multipoint interface of RS485 communication equipment such as:

1. Industrial Automation System.
2.PLC and PLD.
3. Intelligent surveillance system.
4.POS credit card machines, POS systems.
5. Data acquisition, control system and so on.
 

Features:

 

1. Interface feature:RS-232C,RS-485 standard interface compatible with EIA,TIA;

2. Electric interface: RS-232 end DB9 hole connector, RS-485 end DB9 needle connector, with connection pole;

3. Working mode: asynchronous full-duplex difference transmission;

4. Transmission media: twisted-pair or STP;

5. Transmissionrate:300-115.2KBPS;

6. Dimension: 63mmX35mmX17mm;

7. Working circumstance:-40 to 80 degree C, relative humidity 5% to 95%;

8. Transmission distance: 1,200mm (RS-485 end), 5m (RS-232 end).

 

 

Connector an signal:

 

RS-232C bay-line distribution

DB9 Female (PIN)	RS-232C Interface Signal
1	Protective
2	RXD SIN
3	TXD SOUT
4	DTR
5	GND
6	DSR
7	RTS
8	CTS
9	RI

 

RS-485 data output & connector and bay-line distribution

DB9 Male (PIN)	Data Output	RS-485 Half-duplex
1	T/R+	RS-485(A+)
2	T/R-	RS-485(B-)
3	RXD+	N/C
4	RXD-	N/C
5	GND	Ground Wire
6	VCC	+5V Standby Power Input