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Hello,
We need to control facade lighting (Dali Value) with weather station MTN682991 and brightness sensor MTN663593.
I select brightness sensor as sensor type (as attached pic.1)
now how to program Dali value object to this sensor input.
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Hello Mostafa_ramadan,
if you are familiar with scripts ... you can try the following one.
It reacts simply on the normal Lux output (shown in your picture under the section "General").
In case the brightness is under a certain level (in my example 100 Lux), then the DALI-Brightness will be slowly increased. When it is completely dark then the brightness goes to 100%. See attached video.
This works the other way arround also.
With the given requirements ... this would be my first approach. What do you think about it?
Here the script which reacts on each Lux-Level-Update.
Thomas
Application Design Engineer
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Hello
With the settings sccording your screenshot you will get 3 communicaiton objects: measured lux value, and two 1-bit objects for threshold 1 and threshold 2. The thresholds objects you can use to switch on and off the light.
Not sure if I have understood correctly what you want to achieve. If my answer doesn't help you please give some further details what exactly and how you want to control the DALI light.
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Hello,
I need to control lighting Intensity depend on measured lux value from sensors.
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Normally lighting control is calculated in a sensor like a MTN630919 that is holding an calculation function for this, the sensor you have now doesn’t have that function, you can only use the brightness as a threshold and switch something within the set limits.
But i don’t recommend to use a weather station anyway as normally with constant light control you measure the conditions in the room including reflection and not an outside measurement that is not representing the desired 500 lux in a room itself.
Just my 50ct..
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Hello Mostafa_ramadan,
quick question ...
Do you have a Wiser for KNX (LSS100100) or a spaceLYnk within your installation?
Thomas
Application Design Engineer
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Hi Thomas, i thought about this option and yes you can make script with certain thresholds to make a mapping with outside measurement 30.000 -> 50% output to DALI or whatever but i don’t think this will ever function properly as you don’t know the room conditions..
However this could be a “quick and dirty” implementation i would not recommend to go that way….
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Hi Erwin,
maybe I missunderstood something but I do not understand "room conditions"?
The question is "We need to control facade lighting (Dali Value) with weather station MTN682991 and brightness sensor MTN663593." ... or?
In my understanding he needs to iluminate the facade (outside) of a certain building.
But maybe I am wrong with it. @mostafa_ramadan , please correct me if I am wrong.
Thomas
Application Design Engineer
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Hi @Thomas_Rohde,
You are right I need to control outside facade dali fixtures and yes we have spacelynk and AS-P in project.
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Hello Mostafa_ramadan,
if you are familiar with scripts ... you can try the following one.
It reacts simply on the normal Lux output (shown in your picture under the section "General").
In case the brightness is under a certain level (in my example 100 Lux), then the DALI-Brightness will be slowly increased. When it is completely dark then the brightness goes to 100%. See attached video.
This works the other way arround also.
With the given requirements ... this would be my first approach. What do you think about it?
Here the script which reacts on each Lux-Level-Update.
Thomas
Application Design Engineer
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Hello Mostafa_ramadan,
does it work, or did you found another solution?
Thomas
Application Design Engineer