(Classic) Alarm override

This flow enables you to implement a override lighting scenario triggered by e.g fire alarm event. Once the alarm is triggered, main flow logic is blocked by a switch node and the lights brightness is set to a specific override level. When the alarm is disabled, lights go back to their minimal level and main logic messages are passed through the switch node.

The DALI Input module works as a communication bridge between non-dali switches, buttons, relays, alarms etc.

For more information on DALI INPUT 4446 visit: LMS E2D 6xINPUT MODULE

Flow

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Instructions

1. Drag & Drop the following nodes onto the workspace:

dali2devs x3
vertex action x4
vertex cluster
change x2
switch x2

2. Configure the dali2devs node:

3. Switch node:

Depending on the input signal, whether the “Button“ is pressed or released, the switch node will direct the logic to trigger the alarm scene or not.

4. Change nodes:

These two nodes are responsible for setting the global fire_alarm variable to either true or false boolean value. This variable will be used to block or pass through the main flow messages.

5. Vertex action nodes:

Two vertex action nodes are connected directly to the two outputs of the switch node. If the alarm event is triggered, lights in a certain group will light up to 100%. When the alarm is cancelled, the luminaires will dimm down to their minimal level. You can modify actions and levels to suit your application.

6. Enabling and disabling main flow logic:

A switch node, will let through the messages, only if the global fire_alarm variable is set to false - no alarm triggered. Place the switch node right before the vertex cluster.

7. Connect all nodes together and click deploy button to test your flow.