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#6: Power and energy
consumption
The Wall Plug allows to monitor the active power and energy con-
sumption. Data is sent to the main Z-Wave controller, e.g. home Cen-
ter.
Measuring is carried out by the most advanced micro-controller tech-
nology, assuring maximum accuracy and precision (+/- 1% for loads
greater than 5W).
Power and energy are reported according to parameters 11-15.
For loads under 5W power is reported for every 0.3W change.
Electric active power - power that energy receiver is changing into a
work or a heat. The unit of active power is Watt [W].
Electric energy - energy consumed by a device through a time
period. Consumers of electricity in households are billed by sup-
pliers on the basis of active power used in given unit of time. Most
commonly measured in kilowatt-hour [kWh]. One kilowatt-hour is
equal to one kilowatt of power consumed over period of one hour,
1kWh = 1000Wh.
Resetting consumption memory:
Wall Plug allows to erase stored consumption data (turning it off/on
or removing it from the socket will not erase consumption):
1. Make sure the device is powered.
2. Press and hold the button.
3. Release the button when the LED frame glows green (1st menu
position).
4. Press the button briefly.
POWER AnD EnERGy COnSuMPTIOn
9
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