RS232 to RS485 Converter, Port-Powered


    Model: XS201A

£11.50

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XS201A is a cost-effective standard RS232 to RS485 converter without isolation. It is similar to our XS202 except that this converter has a RS485 interface instead of RS422.
This converter is a simple and easy to use solution for converting standard RS232 to RS485 and/or RS485 to RS232. It will work with most standard serial applications such as light-duty factory machinery, laboratory and office equipment, scales and alarms just to mention a few. It is ideal for light industrial, commercial and most consumer environments. We do not recommend this converter for heavy-duty industrial environments due to its lack of isolation.

The XS201A is powered from the RS232 serial port or alternatively an external power supply which can easily be connected to the converter if the serial port it is connected to does not provide sufficient power.
It converts standard RS232 data signals to half-duplex asynchronous RS485 signals which can be used for point-to-point and point-to-multipoint network configurations. Automatic Send Data Control is enabled so no external software is required to use this converter.

The processor chip used in this converter is the MAX485E which ensures good solid performance and reliability.

Overall features
  • Port-powered from RS232 side
  • Option for external power supply
  • Fail-safe bias resistors
  • No software drivers needed
  • Static and surge protected
  • Automatic Send Data Control enabled
  • Asynchronous, half-duplex.
  • Terminal board included with each converter.
Resources


Useful optional accessories
(not included)

Null modem adapter
Null modem adapter


DB9 to RJ45 adapter
DB9 - RJ45 adapter


DB9 gender changer
Gender Changer


5V power supply
5V Power supply
SPECIFICATIONS
Model number XS201A
Baud rate 300 - 115200bps
Power Port-powered from RS232 (RTS, DTR, TXD).Optional external power: 5 - 12VDC
Current consumption less than 10mA
Processor MAX491/Philips HEF4093
Interface RS232 DB9 female connector. Pin 7 (RTS) and 8 (CTS) are tied together. Pin 4 (DTR), 6 (DSR), and 1 (CD) are tied together.
Interface RS485 DB9 Male and terminal board
Working mode 2-wire RS232 to RS485 asynchronous, half-duplex
Compatible with Modbus RTU/ASCII, BACnet
Standards EIA/TIA RS232 / RS485
Housing ABS plastic
DB9 sockets and shields Electroplated steel
DB9 pins Stainless steel
Transmission distance RS232: Typical: 15 FT (5m)
RS485: Typical 4000FT (1200m)
Static/surge protection 1500W / 600W/ms
Operating Temp. -40°F to 180°F (-25°C to 70°C)
Operating humidity 5% To 95% - No Condensation
Dimensions 2.47" x 1.33" x 0.70" (62.8 mm x 33.8 mm x 17.8 mm)
Compliance CE, FCC, RoHS, ISO 9001
Warranty 1 year Limited Warranty

For alternative RS232 to RS485 / RS422 solutions please see our full selection of serial converters.

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