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Dimming refers to the operation of adjusting the intensity of lighting or changing the brightness of a light source. There are two ways you can set up dimming functions in your system:

  • Using two buttons (one for dimming up and one for dimming down)

  • Or using one multifunction button (ESDIM) where short press toggles ON/OFF function and long press toggles dimming up and down.

ESDIM (ON, OFF, Dim Up, Dim Down) - One Multifunction Button

Import the ready made flow using the instructions here: Importing a Node-RED flow or follow the instructions below.

[{"id":"be58292a.057758","type":"tab","label":"Flow 8","disabled":false,"info":""},{"id":"6ab8e733.df3ce8","type":"vertex action","z":"be58292a.057758","name":"ON/OFF","typeButton":"toggle","bPayload":{"ON":{"action":"setbrightness","group":"0efc9ef58896d0b1839b65d7af598531","param":"100","priority":"254"},"OFF":{"action":"setbrightness","group":"0efc9ef58896d0b1839b65d7af598531","param":"0","priority":"254"}},"bState":false,"defaultpriority":true,"x":830,"y":220,"wires":[["ebbd9eb5.5f16d"]]},{"id":"36f9a54b.2a2dfa","type":"vertex action","z":"be58292a.057758","name":"DIMM UP/DIMM DOWN","typeButton":"dimm","bPayload":{"DON":{"action":"noreact","group":"0efc9ef58896d0b1839b65d7af598531","param":null,"priority":"254"},"HOLDUP":{"action":"upaction","group":"0efc9ef58896d0b1839b65d7af598531","param":null,"priority":"254"},"HOLDDOWN":{"action":"downaction","group":"0efc9ef58896d0b1839b65d7af598531","param":null,"priority":"254"},"DOFF":{"action":"noreact","group":"0efc9ef58896d0b1839b65d7af598531","param":null,"priority":"254"}},"bState":false,"defaultpriority":true,"x":720,"y":300,"wires":[["ebbd9eb5.5f16d"]]},{"id":"38b3e4ca.ac5d4c","type":"function","z":"be58292a.057758","name":"","func":"if(msg.payload.UP !== undefined || msg.payload.DOWN !== undefined){\n    return msg;\n}","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":660,"y":220,"wires":[["6ab8e733.df3ce8"]]},{"id":"a3978b5c.180458","type":"DALI2 Devs Common","z":"be58292a.057758","name":"LOWER PB","outputs":1,"uid":"0000000829E23C254C","devStatus":2,"devSettings":[{"InstanceType":1,"isDisabled":false,"mode":"dimmb","evenFilters":212},{"InstanceType":1,"isDisabled":true,"mode":"normal","evenFilters":84},{"InstanceType":1,"isDisabled":true,"mode":"normal","evenFilters":84},{"InstanceType":1,"isDisabled":true,"mode":"normal","evenFilters":84}],"savedSettings":[{"InstanceType":1,"isDisabled":false,"mode":"dimmb","evenFilters":212},{"InstanceType":1,"isDisabled":true,"mode":"normal","evenFilters":84},{"InstanceType":1,"isDisabled":true,"mode":"normal","evenFilters":84},{"InstanceType":1,"isDisabled":true,"mode":"normal","evenFilters":84}],"x":390,"y":220,"wires":[["38b3e4ca.ac5d4c","36f9a54b.2a2dfa"]]},{"id":"ebbd9eb5.5f16d","type":"vertex cluster","z":"be58292a.057758","rate":90,"x":1090,"y":220,"wires":[]},{"id":"c67e285c.b3af38","type":"vertex feedback","z":"be58292a.057758","name":"","primarygroup":"0efc9ef58896d0b1839b65d7af598531","sendOnChange":true,"x":660,"y":140,"wires":[["6ab8e733.df3ce8"]]}]

Step-by-step instructions

  1. Find the following nodes in the palette on the left side of the Node-RED and drag them to your workspace

  • DALI2 Devs Common

  • function node

  • vertexd feedback

  • vertex action x2

  • vertex cluster

  1. In the DALI2 Devs Common node choose the push button panel you wish to use [1] and set mode to ESDIM [2].

  1. In the function node, paste the code given below. It filters certain messages, so that the usage of two vertex action nodes via one button instance is possible.

if(msg.payload.UP !== undefined || msg.payload.DOWN !== undefined){
    return msg;
}

  1. Configure the vertex action nodes as shown below.
    In the first Vertex action node we set up a toggle function which depending on the state of the lights, will either switch the lights on or off. By default all instances are marked which means they are disabled. Enable buttons by unchecking the is disabled checkbox and set the Mode as Toggle button. Set the Event ON and Event OFF actions.

  1. In the second Vertex action node (DIM UP/DIM DOWN) select your device. By default all instances are marked which means they are disabled. Enable buttons by unchecking the is disabled checkbox and set the Mode as Dimm button. Set the group you want this node to operate on and set event actions.

  1. In the vertex feedback node select the same group that you set in the second vertex action node. The feedback node ensures that, when the group level is triggered by another action in the flow, the ON/OFF vertex action node will be notified of the actual light level and trigger appropriate action. Without this synchronisation you would sometimes have to press the button twice to get the function you want.

Do not forget to click Done and Deploy!

Dim Up & Dim Down separate Buttons

Import the ready made flow using the instructions here: Importing a Node-RED flow or follow the instructions below.

[{"id":"9d9261ef.1d337","type":"DALI2 Devs Common","z":"c0f5917a.1cc76","name":"","outputs":4,"uid":"00D57389932DCF770E","devStatus":2,"devSettings":[{"instanceType":1,"isDisabled":false,"mode":"normal","evenFilters":84},{"instanceType":1,"isDisabled":false,"mode":"normal","evenFilters":84},{"instanceType":1,"isDisabled":false,"mode":"dimmb","evenFilters":84},{"instanceType":1,"isDisabled":false,"mode":"dimmb","evenFilters":84}],"savedSettings":[{"instanceType":1,"isDisabled":false,"mode":"normal","evenFilters":84},{"instanceType":1,"isDisabled":false,"mode":"normal","evenFilters":84},{"instanceType":1,"isDisabled":false,"mode":"dimmb","evenFilters":84},{"instanceType":1,"isDisabled":false,"mode":"dimmb","evenFilters":84}],"x":460,"y":400,"wires":[["6c51f7a7.b2f768"],["8f85d6e8.a046f8"],["f334a1d6.f24f4"],["56162c55.f8b3e4"]]},{"id":"6c51f7a7.b2f768","type":"vertex action","z":"c0f5917a.1cc76","name":"ON","typeButton":"single","bPayload":{"action":"maxlevel","group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"},"bState":"","defaultpriority":true,"x":720,"y":360,"wires":[["97c3bacc.68e538"]]},{"id":"97c3bacc.68e538","type":"vertex cluster","z":"c0f5917a.1cc76","rate":5,"x":1070,"y":400,"wires":[]},{"id":"8f85d6e8.a046f8","type":"vertex action","z":"c0f5917a.1cc76","name":"OFF","typeButton":"single","bPayload":{"action":"off","group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"},"bState":"","defaultpriority":true,"x":720,"y":400,"wires":[["97c3bacc.68e538"]]},{"id":"f334a1d6.f24f4","type":"vertex action","z":"c0f5917a.1cc76","name":"Dimming down","typeButton":"dimm","bPayload":{"DON":{"action":"setbrightness","group":"ff94a09f3810e83641da0e48ea02a61f","param":"80","priority":"254"},"HOLDUP":{"action":"downaction","group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"},"HOLDDOWN":{"action":null,"group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"},"DOFF":{"action":null,"group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"}},"bState":false,"defaultpriority":true,"x":750,"y":440,"wires":[["97c3bacc.68e538"]]},{"id":"56162c55.f8b3e4","type":"vertex action","z":"c0f5917a.1cc76","name":"Dimming up","typeButton":"dimm","bPayload":{"DON":{"action":"minlevel","group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"},"HOLDUP":{"action":"upaction","group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"},"HOLDDOWN":{"action":null,"group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"},"DOFF":{"action":null,"group":"ff94a09f3810e83641da0e48ea02a61f","param":null,"priority":"254"}},"bState":false,"defaultpriority":true,"x":740,"y":480,"wires":[["97c3bacc.68e538"]]},{"id":"498551e7.3ee72","type":"comment","z":"c0f5917a.1cc76","name":"Select and configure a panel","info":"## Clear 4 checkboxes to have 4 buttons to manage. Set the Mode as Normal. You don’t need to change Event filters.\n\n","x":480,"y":340,"wires":[]},{"id":"d17f9577.007ec8","type":"comment","z":"c0f5917a.1cc76","name":"Define actions for 4 buttons","info":"## 1. Select mode as Single button.\n## 2. Select the right group.\n\n","x":770,"y":320,"wires":[]}]

Step-by-step instructions

  1. Find the following nodes in the palette on the left side of the Node-RED and drag them to your workspace

  • DALI2 Devs Common

  • vertex action x4

  • vertex cluster

  1. Click the DALI2 Devs Common node, in the Serial Number field, select the panel you want to program. In this field, you have a list of all DALI devices found by your Vertex controller.

By default all instances are marked which means they are disabled. Enable buttons by unchecking the is disabled checkbox [3] and set the Mode as normal [4] for buttons that trigger constant light and ESDIM [5] for dimming buttons. ESDIM mode provides you with more message structures that are used to ensure proper dimming functionality.

3. You have 4 vertex action nodes and the same number of buttons. In these nodes set parameters.

  • 1st button - turning the light ON:
    Set the name to e.g. ON. Then select the mode as Single button [6]. Then you need to define action as Recall max level and choose the group you want to control, in this case we called the group ‘dimming’.

  • 2nd button - turning the light OFF:
    Set the node name to e.g. OFF and change the action to Recall off.

  • 3rd button - Dimming down:
    Set the name to e.g. Dimming down. Then set the mode to Dimm button. Select the first event action as Set brightness, e.g. 80% - this is the brightness level you want to start dimming from. The second event action set Step down cyclically. In this configuration with one click, you set 80% brightness level and when you click and hold you can dim it down to the preferred level.

  • 4th button - Dimming up:
    Set the name as e.g. Dimming up. Then set the mode to Dimm button. Select the first action as Recall min level - this is a brightness level you want to start dimming from. The second action set Step up cyclically. In this configuration with one click, you set a minimum brightness level, when you click and hold you can dimm it up to the preferred level.

Do not forget to click Done and Deploy!

After you select the Deploy button - the blue dots on the nodes should disappear. The green squares will then appear to show the current status of the devices. It means that the viewed flow is already sent to VERTEX.

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