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Question
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I have a wall plug to a single device which when on uses a fairly consistent 250W, I have a Lua scene defined that checks when power > 200W. I wish to optimize the scene invocation by adjusting settings parameters 40, 42 and 43 e.g.
I assume the power on scenario trigger is defined via parameter 40 (Reporting significant changes in power), which I assume I need to keep to ensure a responsive automatic scene invocation.
Qu. I'm not sure how this parameter (40) works as trigger is at 80% of previous value but previous value is initially 0. I am guessing that subsequent triggers are at 80% increments. If we take the case of an initial report at 60W (say), then can I expect reports at 108W and 194W (the next would be 350W). Would this mean my Lua check for > 200W may never fire (dependent on a variable initial reporting value)?
I also assume that parameter 42 applies to the steady state scenario
Qu. Can I turn parameter 42 off with no additional side-effects? e.g. power off still detected. power consumption still reported.
I have experimented with this device to get automation working but I would like to understand what exactly is happening so that I can reasonably automate other devices.
Thanks in advance for any light or documentation references you can provide.
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