Whadda 8-Channel Relay Card Kit K8056

    1-5 Days
  • Description
  • More Details
  • Specifications
Enclosure: B8006

Replacement for Velleman K8056

This relay card can be used in several ways : stand alone card, addressed by switches or open collector outputs or remote controlled through RS232. Since the card can be addressed using RS232 commands, you may write custom applications in any programming language on any platform.


    • separate relay on/off test with moment or toggle function
    • clear all / set all relays function
    • address selection: up to 255 cards can be selected
    • emergency stop for all cards
  • minimum system for test software:
    • Pentium class CPU
    • Windows 95 or higher
    • mouse and free RS232 port


  • 8 high quality relay contacts: 5A/230Vac max.
  • relay outputs are transient suppressed using VDRs
  • LED confirmation on each relay contact
  • 8 drive inputs to use with open collectors or regular switches
  • RS232 input to drive the card with computer or terminal: baud rate: 2400, no parity, 8 data bits, 1 stop bit, high or low impedance selection (10K or 1K)
  • optional RF driving possibility using RX433N type module (not simultaneous with RS232) together with K8058 eight channel RF remote control
  • power output: unregulated 12Vdc / 200mA
  • diagnostic software downloadable from our site

    Software Manual
    Click to Download Click to open

  •   Constructional Kit: Advanced

  • Dimensions: 160 x 107 x 30mm
    Power Supply: 12Vac / 500mA