We have quite a few DMX based LED lighting sources. I use the eldoled lineardrive 720D to do the controling part. The following script enables me to turn the LEDs on/off, all at once.
-- This software may be used and distributed according to the terms of the -- GNU General Public License version 3, incorporated herein by reference. -- define group address dmxchan = 12 dmxon = 255 dmxoff = 0 -- address of all on/off group groupvalue = '1/2/0' -- addresses of groups that should be switched including the all on/off group lights = {'1/2/0', '1/1/0', '1/1/2', '1/1/3', '1/1/4', '1/1/5', '1/1/6', '1/1/7', '1/1/8'} -- get value of object with group address value = grp.getvalue(groupvalue) if (value == false) then -- channel value set to 255 for i = 1, dmxchan, 1 do DMX.set(i, dmxon) end -- change groups to true for index, value in ipairs(lights) do grp.write(value, true) end log('Light on') else -- channel 1 value set to 0 for i = 1, dmxchan, 1 do DMX.set(i, dmxoff) end -- change groups to false for index, value in ipairs(lights) do grp.write(value, false) end log('Light off') end
I created an “event based script” in the Logic Machine to add this code. The address I monitor is 1/1/1 which is the group that turns all lights on/off in the KNX push buttons.