
This 8-Channel USB Relay Card SELF-ASSEMBLY electronic kit allows you to control eight relay channels by your computer USB port. Connect up to 16 Amps to each of the high power relays.
Board includes space for optional VDR300 noise suppressors (add if switching inductive loads). On-board push buttons can be used to test/operate all the relays. Header for external push button connections.
A dll for own software development is available for download. Windows test software completes the package.
Also available in PRE-ASSEMBLED Electronic Module format, Order Code VM8090.
Features- USB-controlled relay card
- manual operation for toggle, momentary or timer operation (selectable through software)
- timer settings up to 18 hours (DLL function)
- optional open collector connectivity (push button simulation)
- DLL for own software development (download only)
- event-driven and open protocol
- two way PC communication (USB Event return)
- onboard test button for each relay plus header to external button connection
- space for optional VDR (Order Code VDR300) transient suppression for use with inductive loads
- LED indicators for USB & main power, USB data and individual relay status
- minimum system requirements:
- PC running USB compatible Windows version
- USB1.1 and USB2.0 full speed compatible
- internet connection for software download
- optional DIN rail enclosure: B8006 (Note: cut out the USB connector)

SpecificationsBuy Velleman K8090 8-Channel USB Relay Card Kit