SR BIOTECH — Innovation for Brighter Tomorrow
USB-i485 Isolated USB to RS485 / RS422 Converter
NOVUS AutomationSerial & Bus Gateways

Model: USB-i485

USB-i485 Isolated USB to RS485 / RS422 Converter

The USB-i485 converter provides a reliable bridge between modern PC USB ports and industrial RS485 or RS422 multi-drop communication buses. With 1500 Vdc galvanic isolation protecting host computers from ground loops and electrical surges, it is an essential commissioning tool for field validation technicians.

Galvanic Isolation1500 Vdc
Baud Rates300 bps to 250 kbps
Bus Types2-wire RS485 & 4-wire RS422
PowerUSB bus-powered
CEFCCRoHS
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Key Features

  • 1500 Vdc galvanic isolation between USB port and RS485/RS422 bus
  • Plug-and-play USB 2.0 full speed compatible
  • Automatic send data control (no RTS hardware handshaking needed)
  • Powered directly from the computer USB port (no external power required)
  • Terminal block connection with termination and biasing jumpers

Technical Specifications

Specifications

Bus Protection
15 kV ESD protection on communication lines
Operating Temperature
0 to 50 °C
Operating Systems
Windows 11, 10, 8, 7; Linux and macOS drivers available
Form Factor
Pocket-sized ABS enclosure with detachable terminal block
Request for Quotation & Engineering Data

Inquire About USB-i485

Need pricing, validation documentation (IQ/OQ), or custom application sizing? Contact our bioprocess engineering team.

Direct dispatch to SR Biotech inquiry desk. Reference will be assigned automatically.

Applications

  • Field commissioning of NOVUS controllers, indicators, and transmitters
  • SCADA host PC connection to multi-drop Modbus RTU networks
  • Benchtop instrument calibration and testing

Calibration & Validation

ISO/IEC 17025 factory calibration certificates and IQ/OQ documentation packages are available on request.

Include in enquiry

Documentation

Technical datasheets and user manuals are available from our engineering team upon request.

Request Documentation

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