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+--- Thread: fade time function (/showthread.php?tid=6300)
fade time function - Danny - 12.02.2026
Dear reader,
Is there a fade time function?
I want to use a timer to start the fade time (adjustable from 30 to 60 minutes using a KNX group address). The lights then take the set time to dim from 100% to 0%.
and vice versa from 0 to 100% with a different time clock
Thank you in advance.
RE: fade time function - Daniel - 12.02.2026
This should be defined in your dimmer.
RE: fade time function - Danny - 12.02.2026
(12.02.2026, 11:07)Daniel Wrote: This should be defined in your dimmer.
That's not possible because the switch needs to switch on and off directly. And because of the script, I need a fade time, and I can only set one function on the dimmer
RE: fade time function - Daniel - 12.02.2026
You can make a script which will do it but you will simply have to send several commands over time. It can also be done via scene with delay option in.
RE: fade time function - admin - 13.02.2026
Here's a basic solution - map event script to a binary object, set execution mode to "Last instance only". Sending TRUE will dim from 0% to 100%, sending FALSE will dim from 100% to 0%. Change group addresses as needed. 0/0/21 is the light output group address, 0/0/24 is the fade time in minutes.
Code:
value = event.getvalue()
out = '0/0/21'
time = grp.getvalue('0/0/24')
sleeptime = time * 60 / 100
for i = 0, 100 do
grp.write(out, value and i or (100 - i))
os.sleep(sleeptime)
end