Velleman K8056 8-Channel Remote Controlled Relay Card Kit

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This relay card can be used in several ways : stand alone card, addressed by switches or open collector outputs or remote controlled through RS232. In option remote controlled using RF (radio frequency) signals (K8058 remote control + RX433N module). Since the card can be addressed using RS232 commands, you may write custom applications in any programming language on any platform. Test software can be downloaded from our web site.

Recommended housing : B8006


    • 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
  • power supply: 12Vac / 500mA (including 12V output)
  • diagnostic software downloadable from our site
  • dimensions: 160 x 107 x 30mm / 6.3 x 4.2 x 1.2"
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