plogg is a combined smart meter plug (kWh) and data logger, especially suited for metering,
monitoring and control at the point of use - the appliance level.
Hardware
plogg can be supplied as either a stand-alone end user device, or an integrated energy reporting network or as an embedded device for incorporation into OEM products. As a plug-in device, a number of international plug formats are available including Schuko, French, Swiss and Australian.
The plogg use single chip single-phase meters that integrate all the primary functional blocks required of a solid state electricity meter. For OEMs interested in connecting the plogg to a Home Gateway or Smart Energy sytem there are a number of useful features :
- 8051 compatible microprocessor
- independent 32-bit digital computation engine,
- voltage reference,
- temperature sensor
- RAM, FLASH memory, real time clock, and
- 2 UARTs
- Current sensor with option of an external split core CT 100A
- 16A relay
- DLL/API library .
In addition to advanced measurement functions, the real time clock function allows time of use (TOU) metering information for multi-rate applications.
A 64kB FRAM memory provides fast data storage for up to 5000 measured values plus associated date and time stamps. The logging interval can be set from between 1 minute and 1 month.
The plogg takes 50 samples of the voltage and current signals over each cycle period.
Referenced Safety Standard: EN 61010-1:2001
Referenced EMC Standards: EN 61326-2-1:2006, EN 301 489-17 V1.2.1 (2002-08)
Software
The Plogg Manager software monitors both instantaneous and cumulative values. Logged data is downloaded in csv format to a spreadsheet or displayed in graphs:
- Cumulative kWh
- Period delta values for kWh,
- rms voltage, rms current
- max Watts, Current and Voltage
- Reactive Power
- Frequency and Phase Angle
- Logging date and time
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