USB/422-485 ISO

Industrial data converter


  • Converts RS-422/485 to USB interface
  • Complies to USB 1.1 and USB 2.0 standards
  • Automatic adjustment of data rate and format
  • Galvanic isolation up to 1.5kV DC
  • Plug & Play installation
  • Power supplied from USB port – no additional supply is required
  • Compatible with Windows and Linux Operating Systems


USB/422-485 ISO is a communication converter intended for connecting RS-422/485 devices to PC’s USB port.

Data rate and format adjustment is performed according to requirements of RS-422/485 device. Module is power supplied from USB port and galvanic isolated from RS-422/485 devices (network). It is compatible with most operating systems enabling two access modes: as virtual serial COM port (VCP drivers up to 115 kbps), and as direct USB port (D2XX drivers up to 1 Mb/s). Drivers are installed automatically, if for some reason drivers are not recognized you can download them here.


USB/422-485 ISO is completely adjusted for applications in industrial communications and process automation, alarm systems and telemetry.

It is used for:

  • Interconnecting distributed I/O modules and PLCs to PC;
  • Galvanic isolation of PC from RS-422/485 networks;
  • Connecting PC without COM ports to RS-422/485 communication bus;
  • Increasing number of COM ports on PC;
  • Field data readout using laptop.


Communication connectorsUSB (type B); RS-422/485 (pluggable screw clamp, 6 wires)
ComplianceUSB 1.1 and USB 2.0 standard
Data rate and formatAutomatically determined by RS-422/485 device
Maximum distance1.2km @ 9600 b/s
Supported operating systemsWindows and Linux
Cable in setUSB type A to USB tip B (1.5 m)
LED indicatorsPWR, TxD, RxD
Galvanic isolation1.5kV DC
Power supplyFrom USB port – no additional mains adapter is required
Operating temperature-25 to 70°C
Dimensions90 x 43 x 20 mm


USB/422-485 ISO10226

RS422-485 interface converter for connecting RS-422/485 devices to PC’s USB port.


*Minimum functionality kit needs to include the device and USB cable. Please note that all accessories are sold separately.

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USB Cable Type A/B 1.8~2m



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SKU# 21473

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