USB to RS485 / RS422 Converter, Mini PRO


    Model: MWE820A

£35.00

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This is another version of the compact USB to RS485 / RS422 converter; it is similar to the XS885 with the exception that this is a more delicate converter made for laboratory, office, hobby, electronics and similar applications and environments. It has a clear plastic housing and a standard 5-screw terminal header which allows easy connection of single wires.

Small and Versatile

This converter is ideal for most consumer and commercial applications such as communication with serial printers, scanners, laboratory equipment, alarm systems and most other serial devices which has a standard RS485 or RS422 interface.
Power is provided from the computer through the USB port so no external power supply is required. A 60cm long USB extension cable is included with this converter.

Silicon Labs Processor

The processor chip in this converter is the CP2102 from Silicon Labs which is a very reliable and high performance processor which in combination with the overall design of the circuitry makes this converter compatible and very reliable with most applications. The drivers for this processor is updated frequently and are available for all versions of Windows, Linux and Mac.
After installing the included drivers a virtual COM port will automatically be created in your operating systems Device Manager.

ESD Protection

Electrostatic protection for up to 15KV protects all 5 communication wires. A 5-screw terminal header allows for easy and secure connection of single wires.

Overall features
  • USB port-powered converter
  • Supports RS485 and RS422
  • USB extension cable (60cm) included
  • Indication lights for RX and TX
  • Up to 32 nodes in network configuration
  • Protected against electrostatic voltages
Resources


Useful optional accessories
(not included)

Null modem adapter
Null modem adapter


DB9 to RJ45 adapter
DB9 - RJ45 adapter


DB9 gender changer
Gender Changer


SPECIFICATIONS
Part number MWE820A
Operating system
  • Windows 10 (32/64-bit), Windows 8.1 32/64, Windows 8 32/64, Windows 7 32/64, Vista 32/64, XP 32/64, Server 2003, 2000, ME, 98Se (WHQL compliant)
  • Linux 2.6.x, 3.x.x
  • Mac OS X 10.4, 10.5, 10.6, 10.7 and 10.8.
  • Windows CE 5.0, 6.0
Processor Silicon Labs CP2102
RS485 output power 4.7VDC (between D+ and GND)
RS485 / RS422 Interface Screw terminal block
Fail-safe bias resistors Yes
Signals RS485, 2-wire half duplex: D+, D-, GND
RS422, 4-wire full duplex: TX+, TX-, RX+, RX-, GND
Compatible with Modbus RTU/ASCII, BACnet
Bias resistors Yes
USB interface Standard Type B Female
Indication LEDs Power, Send and Receive
Baud rate 300 to 921600bps
Parity None, Odd, Even, Mark, Space
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
TX / RX buffer size 640 byte transmit buffer, 576 byte receive buffer
Flow Control Hardware or Xon / Xoff
COM port accessible by Included virtual COM port drivers
Special features - Event character support
- Line break transmission
- Automatic Send Control
Electrostatic (ESD) protection 15KV/ 600W/ms high voltage protection
Current draw Static: less than 80mA. Dynamic average: less than 150mA
Dimensions 65 x 22 x 12mm
Interface compliance USB1.1, 2.0, 3.0, EIA/TIA RS-232
Regulatory compliance FCC, CE and RoHS
Working temp -20 to 70C
Warranty 1 year limited warranty

For alternative USB to serial RS485 and RS422 solutions please see our full selection of USB to Serial RS485 converters

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