Quick Timer R8X Application

Controlling your K8090/VM8090 with Quick Timer R8X

The Velleman K8090/VM8090 8-Channel USB Relay card allows you to control 8 different relay channels through serial port(COM port). You can turn on/off relays by K8090/VM8090 demo application.

Using Quick Timer R8X software is perfect if you want to set the timer to control each relay channel automatically. Quick Timer R8X is special designed to control 8-channel relay boards for both serial port/USB or Ethernet connection interface.

The latest Quick Timer R8X v2.5 supports K8090/VM8090 8-channel USB relay card. It's very easy to set a timer for each relay channel. The relay channels can be controlled not only just turn on or turn off manually, but also turn on/off automatically with loop setting.

Follow the example below, you will see how easy to control K8090/VM8090 with Quick Timer R8X. It's a perfect solution for lighting controls, science experiments, home automation, energy conservation and most kinds of industry control.

Example task for controling the K8090 with Quick Timer R8X

During a 30 second period, we want the K8090 to:

  • Turn Relay 1 - 4 on for 2 seconds, and off for 3 seconds
  • Turn Relay 5 - 8 on for 5 seconds, and off for 5 seconds

Setting up Quick Timer R8X to control your K8090

  1. Connect K8090 with your computer through USB cable
  2. Download and install Quick Timer R8X
  3. Launch Quick Timer R8X and set up connection for Quick Timer R8X and K8090
    • Click Configure to open Configuration panel
    • Select Manufacturer — Velleman
    • Select Device Type — VM8090/K8090
    • Select Port Name for connected K8090

Quick Timer R8X Application Configuration

Once the connection is set up, you will see the connection information on Quick Timer R8X status bar.

Quick Timer R8X Status Bar

The flashing arrow means the connection is valid. Now, you can control K8090 relay channels with Quick Timer R8X. Each relay channel has a independent control panel. It includes relay channel number, Timer Bar, Auto Control Bar, Auto Control Setting Button, Manual Control Switch, and Relay Status light.

Quick Timer R8X Panel Explanation

You can also control all relay channels manually together with Turn All On/Off button. If you have set up auto control setting for all relay channels, click Start All button to control all at the same time.

Quick Timer R8X Application Buttons

  1. Set auto control timer for Relay 1
    • Click auto control Setting button for Relay 1 to open Relay 1 Setting panel
    • Set up Duration for 30 seconds
    • Select Action — Program
    • Check Always Loop
    • Click Add button to open Item Setting panel
    • Set up Turn On 2 Seconds and Turn Off 3 seconds, keep Loop Count 1
    • Click OK button on Item Setting panel back to Relay1 Setting panel
    • Click OK button on Relay 1 Setting panel to finish the setting

Quick Timer R8X Relay 1 Settings

  1. Follow Step 4 to set the same auto control timer for Relay 2 - 4.
  2. Set auto control timer for Relay 5.
    • Click auto control Setting button for Relay 5 to open Relay 5 Setting panel.
    • Set up Duration for 30 seconds
    • Select Action — Program
    • Check Always Loop
    • Click Add button to open Item Setting panel
    • Set up Turn On 5 Seconds and Turn Off 5 seconds, keep Loop Count 1
    • Click OK button on Item Setting panel back to Relay1 Setting panel
    • Click OK button on Relay 1 Setting panel to finish the setting

Quick Timer R8X Relay 5 Settings

  1. Follow Step 6 to set the same auto control timer for Relay 6 - 8.
  2. Click Start All button to run auto control timers for 8 relay channels together. During a 30 second time frame, you will see Relay 1 - 4 on for 2 seconds and off for 3 seconds, Relay 5 - 8 on for 5 seconds and off for 5 seconds.

Quick Timer R8X allows you to control K8090 relay channels automatically with a timer. To control K8090 relay channels automatically with alarm, stay tuned for our upcoming blog — Control K8090/VM8090 with Relay Timer R8X.


Join the conversation and tell us how you're using your K8090/VM8090 with Quick Timer R8X in the comments below. If you liked Xinping's Community Spotlight post, you can learn more Quick Timer R8X, Relay Timer R8X and more at Serial Port Tool.