Staircase Timer Setup for LED Dimmers

Installing the Timers Plugin

The staircase timer feature is provided by a separate plugin called Timers.

To install:

1. Open the Wiser4KNX web interface and go to the Markeptlace .

2. Locate the Timers plugin in the app store and install it.

   

3. After installation, the Timers tab will appear in the Configurator plugin.

Configuring Staircase Timer

1. Open the Timers tab in the Configurator plugin of your controller.

2. Click Add timer in the bottom-left corner.

3. Configure the following:

   • Timer name: Enter a descriptive name.

   • Duration time: Set the time after which the light should turn off.

   • Target group object: Select the KNX group object associated with the LED dimmer channel. For example, to control LED Dimmer channel you should select here the corresponding "status" group object).

   • Initial object value: Set to 1 (ON).

   • Target object value: Set to 0 (OFF).

4. Click Show advanced options and configure:

   • Cancel on update: Determines how the timer reacts when a new value is received while the timer is already running. Leave unchecked.

   • Trigger object: Select the KNX group object linked to the binary input you want to use for triggering the timer.

   • Trigger value: Set to 1 (ON) to start the timer when the button is pressed.

   • Trigger restarts timer: Enable this option to restart the timer if the button is pressed again before it expires.

   

5. Click Save to apply the changes.

Linking Binary Input to LED Dimmer via Staircase Timer

To trigger the staircase timer from a physical button:

1. Configure the binary input in the Input Devices tab of the IHC Plugin:

   • Device type: Binary input.

   • Function: Binary input or Doorbell.

2. Assign the binary input’s KNX group object as the trigger object in the timer configuration.

3. Ensure the LED dimmer channel is linked to the correct status group object so the timer can control it.

Functional Overview

• Pressing the button sends an ON command to the LED dimmer and starts the timer.

• When the timer expires, it sends an OFF command to the same dimmer channel.

• If the button is pressed again before the timer expires, the timer restarts.