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How to set a minimum power threshold for energy accumulation to ignore standby noise BL0937?

proks777 78 0
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  • #1 21898386
    proks777
    Level 2  
    Posts: 9
    Hi everyone,

    I’m using an OpenBeken firmware (version 1.18.287, built on Apr 11, 2026) on a smart plug (LN882H) that controls my reverse osmosis water pump. The pump draws about 28 W when running, but the plug itself has a small standby consumption that slowly adds up in the total energy counter (Wh) over time. This standby noise interferes with my water volume calculations in Home Assistant, because I use the energy counter to estimate litres of water filtered.

    There's a flag called "Flag 38 - [Power] Set power and current to zero if all relays are open." It resets the data when the relay is off. But I need the relay to always be on! And the data is only taken into account when the power is greater than 5 W.

    I cannot find a setting like “Power threshold for energy accumulation” or “Minimum power to count energy”. My goal is to make the energy counter increase only when the power exceeds a certain threshold (e.g., 5 W), so that the standby consumption is completely ignored.

    Is there a driver command, a flag, or a configuration parameter that allows setting such a threshold? If not, is there a recommended way to achieve this via autoexec.bat?
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