• USB-IIRO-16 Series
  • USB 4, 8 or 16 Isolated Inputs and 4, 8, or 16 Relay Output Digital I/O Modules
  • High-Speed USB 2.0 device, USB 1.1 compatible
  • 4, 8 or 16 optically isolated inputs
  • 4, 8 or 16 Form C electromechanical 1A relays
  • Internal, removable screw terminal board for easy wiring
  • Small (4" x 4"x 1.25") rugged industrial enclosure
  • More Features
  • Description
  • Specifications
  • Downloads
  • Ordering Guide
  • Request Quotation
  • ideal portable solution for adding easy-to-install isolated input and relay output digital I/O capabilities to any PC or embedded system with a USB port. Featuring 4, 8 or 16 Form C (SPDT) electromechanical relays and 4, 8 or 16 optically isolated digital inputs, the unit is the smallest of its kind for digital monitoring and control using USB.

    The USB-IIRO-16 Series Features Include:
    • High-Speed USB 2.0 device, USB 1.1 compatible
    • 4, 8 or 16 optically isolated inputs
    • 4, 8 or 16 Form C electromechanical 1A relays
    • Internal, removable screw terminal board for easy wiring
    • Small (4" x 4"x 1.25") rugged industrial enclosure
    • Custom high-speed function driver
    • PC/104 module size and mounting compatibility
  • Specification
  • Value
  • Bus Interface/Form factor
  • USB2.0
  • No of Digital I/O
  • Optional 4/8/16 Isolated in, 4/8/16 Relay out
  • Output Type
  • SPDT Electromechanical Relay
  • Input Source Current/Isolation
  • 31VDC/AC
  • Sink Current/Relay Rating
  • 1A 24VDC/0.5A 125VAC
  • Change of State Detection on input
  • Yes
  • Counter/Timers
  • -
  • Connectors
  • 34pin connector for inputs, 50 pin connector for outputs
  • Size
  • 101.6x101.6x31.75(WxDxHmm)
  • Power Requirements
  • USB 5V or optional external power
  • Data Sheets (pdf)
  • Technical Manuals (pdf)
  • Product Information
  • Internet Links
  • White Papers
  • USB Communication and I/O Devices: USB has become the standard method of connecting peripherals to modern computer systems. Interworld Electronics has an extensive range of USB to Serial Converters, USB Analogue Data Acquisition and USB Digital I/O devices....
  • Part Numbers
  • USB-II-16
  • USB 16 isolated input unit, rugged enclosure and screw terminal connector
  • USB-IIRO-16
  • USB 16 isolated input, 16 relay output unit, rugged enclosure and screw terminal connector with external power interface
  • USB-IIRO-4
  • USB 4 isolated input, 4 relay output unit, rugged enclosure and screw terminal connector
  • USB-IIRO-8
  • USB 8 isolated input, 8 relay output unit, rugged enclosure and screw terminal connector
  • USB-RO-16
  • USB 16 relay output unit, rugged enclosure and screw terminal connector with external power interface
  • Options
  • -E
  • Economy model (no screw terminal board)
  • -OEM
  • (USB-104) Board only version (no enclosure or screw terminal board)
  • Power Supply Options
  • POW-ADA/9-2A
  • External 240V AC to 9V @ 2 Amp DC regulated adapter