• USB8VI4DIOPR

A low-cost, USB powered DAQ module -  USB1.1 or 2 compatible (Type B USB connector).  Available with LabVIEW, Visual Basic, Visual C, VEE or Delphi example control programs. OS compatibility: Windows 7, Windows 10/11,  Mac OSX and Linux.

  • Uses same software drivers as used in our range of serial port cards - previously developed code can be reused
  • Can also be controlled with direct command input from terminal emulation programs (such as Windows HyperTerminal)
  • High input voltage range (DC, Opto isolated) (Logic High): 5V to 100V (DC max), Logic Low 0V to 1.5V
  • Screw terminal and (14W) header connector access to 8 Voltage input and 4 DIO channels
  • 10A/240Vac Power relays.  PCB tracking will handle 10 Amps.  Datasheet link (see below) gives full details/spec for the relay types available for this card.
  • Opto-isolated - USB isolation from relays to 2500V AC (rms). New V2.0 board also has link selectable full relay power isolation
  • LED status indicators for USB connection/power and voltage input channel/relay activation status. New V2.0 board also has data Tx and Rx LEDs
  • 0V/5V available at screw terminal connectors for onward powering (300mA max), relay switching, contact closure purposes etc
  • Relays are SPDT, Form C, changeover type, with N/O, COM and N/C contacts taken to the screw terminal blocks along each side of the card
  • Relay contact resistance 100mOhms Max
  • Relay Operate 12mS /release time 7mS Max (inc software overhead)
  • All relay contacts taken to screw terminal blocks.  Fixed screw terminal blocks, as shown in image
  • Supplied with nylon feet (will take self tapping screws).  Corner mounting holes allow cards to be stacked if required
  • Clear, protective perspex cover/base option, spare mating connectors and USB cable also available
  • CЄ & RoHS compliant
  • You can order any of our boards with customisations or without connectors fitted - contact us for price

Download datasheet

EasyDAQ is primarily a business-to business seller, supplying products around the world, therefore advertised prices exclude VAT. Customers in the UK and Northern Ireland will be charged VAT  at checkout. 

Operational Parameters
Manufacturer EASYDAQ
Control Interface USB
Relay coil voltage 5V
Relay Channels 4
Relay contact current 10A
Digital input channels 8
Relay Type POWER
Digital output channels 4
Opto-isolated YES
Connector SINGLE PART CONNECTORS

USB8VI4DIOPR

  • Brand: Easydaq
  • Product Code: USB8VI4DIOPR
  • Availability: In Stock
  • £83.20


  • 10 or more £66.56
  • 25 or more £59.07
  • 50 or more £55.41
  • 100 or more £52.08
  • 250 or more £48.67
  • 500 or more £45.09

Related Products

USB8VI4DIOPR-2V

USB8VI4DIOPR-2V

A low-cost, USB powered DAQ module -  USB1.1 or 2 compatible (Type B USB connector).  ..

£95.59

CoverUSB

CoverUSB

CoverUSB. Perspex cover and base - fitted with 4 nylon feet.Fits an EasyDAQ Gen 8 board.Should these..

£34.89

CoverUSBDIN

CoverUSBDIN

CoverUSBDIN. USB perspex cover and base plate with DIN rail mount. Suitable for Gen8 relay boards wi..

£49.39

USB8VI4DIOSR

USB8VI4DIOSR

This board is available as a low cost, general purpose USB powered 8 channel voltage inp..

£83.48

Suppressor_250VAC

Suppressor_250VAC

Recommended for use across relay contacts in 120/240VAC mains switching applications.  (Minimis..

£22.50

USB8VI4DIOPR

USB8VI4DIOPR

A low-cost, USB powered DAQ module -  USB1.1 or 2 compatible (Type B USB connector).  ..

£83.20

USB8VI4DIOSR-2

USB8VI4DIOSR-2

This card is available as a low cost, general purpose USB powered 8 channel voltage inpu..

£98.44

Tags: Power, 4-relay, 8-DIO, DIO, relay, board, USB, USB8VI4DIOPR, EasyDAQ, UK, RoHS, CE, 3TG,