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USB to RS485/422 Converter

USB to RS485/422 Converter

This USB to RS485/422 converter connects a computer USB port to RS485 half-duplex or RS422 full-duplex serial devices.

Channels
Up to 32 RS485/RS422 devices in point-to-multipoint use
Interfaces
USB Class A female + DB9 male RS485/RS422 connector
Power supply
USB bus-powered; no external power supply
$23.40

Price for the selected configuration.

Length

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1-Year Warranty

Expert Technical Support

Overview

This USB to RS485/422 converter connects a computer USB port to RS485 half-duplex or RS422 full-duplex serial devices. It needs no external power supply and is useful for commissioning, testing, and field maintenance.

Key Features

  • Supports USB to RS485 and USB to RS422 conversion.
  • Automatic data direction control, no RTS/DTR handshaking required.
  • Baud rate: 300 to 921600 bps.
  • Supports up to 32 RS485/RS422 devices in point-to-multipoint use.
  • RS485/422 distance up to 1200 m at suitable baud rate and wiring conditions.
  • Surge protection and +/-15000 V electrostatic protection.

How it works & selection

Selection notes

Confirm whether your device uses 2-wire RS485 or 4-wire RS422, and check driver support for your operating system.

Technical specifications

ChannelsUp to 32 RS485/RS422 devices in point-to-multipoint use
InterfacesUSB Class A female + DB9 male RS485/RS422 connector
Power supplyUSB bus-powered; no external power supply
Signals and communication
Product type / topologyUSB-to-RS485/RS422 serial converter
ChannelsUp to 32 RS485/RS422 devices in point-to-multipoint use
Signal mappingRS485 2-wire half-duplex or RS422 4-wire full-duplex
Communication rangeRS485/422 up to 1200 m at 9600 bps; USB cable ≤5 m
InterfacesUSB Class A female + DB9 male RS485/RS422 connector
FunctionsAutomatic data-flow control; confirm 2-wire RS485 or 4-wire RS422 and driver support.
Electrical
Power supplyUSB bus-powered; no external power supply
Electrical ratings300–921600 bps; automatic data-direction control
Mechanical and environment
Dimensions35 × 20 × 69.5 mm
Environment−20 to +75 °C; 5–95% RH
ProtectionSurge protection and ±15,000 V electrostatic protection

Package & resources