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Lighting Scene and time schedules

@Nea Smyrni 4 years ago in Devices / KNX • updated by Fabien Fuster 4 years ago • 6

Hi to everyone. I have to find a solution as soon as possible regarding a new project  with KNX system. We have an analog (not a KNX ) LUX meter from ABB which sends an On command when the external lighting is low . This command is going  to a digital input and this input sends the command to the KNX ouput device to turn On the lights. What we need is that when the digital input send the command we want to enable a scene /time schedule that all the lights are going to be dimmed for example to 70% , from 8pm to 10pm, after 10pm the lighting must go automatically to 40% from 10pm to 12pm. From 12 am and when the digital input send the command to turn Off the lights the lights must be dimmed to 20%. Any ideas on how I can create this kind of scene/ time schedule? Thank you in advance.

+1
Fabien Fuster 4 years ago

Hi,

You will not be able to achieve this just by using a scene. You need to create a program for it and either manage all from the program itself or have the program manage several scene (one per expected intensity). This program will have to restart everytime the digital output will be triggered.

Hope this helps

@Nea Smyrni 4 years ago

Hi and thank you for your answer . What do  you mean to create a program? What I understand is to create a program you mean time schedule for each dimming status and triggered after the period time I set to? Is it possible to guide me on how to do that ? And how is going the program manage these 3 different scenes (with expected intensity?) By changing the time? 

Thank you in advance.

Flávio Sanches (ComfortClick) 4 years ago

You can always learn more about our nodes using our Knowledgebase.
HERE you have an additional explanation regarding Program tasks.

Jürgen Jürgenson 4 years ago

I would make 1 program that turns them on/off Trigger will be from that ABB lux meter. Then i would make a program for every dim value that you/client needs 1) 8-10 70% 2) 10-12 40% 3) from 12 20%. Trigger value will be time - if time equals 8 etc, set value 70% and so on.

Fabien Fuster 4 years ago

Would be done the same way here :-)

@Nea Smyrni 4 years ago

OK thank you. I will try it and I get back if I need further help.

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