ARD00385 MCP3911 and PIC18F85K90 Single-Phase Anti-Tamper Energy Meter

The MCP3911 and PIC18F85K90 Single-Phase Anti-Tamper Energy Meter is a fully functional single-phase meter with enhanced capabilities, such as battery backup, RTC and anti-tamper features. The two current channels are measured with the MCP3911 device and the voltage channel is measured with the 12-bit SAR ADC integrated in the microcontroller. This design has two sensors for the current measurements: a current transformer and a shunt. The PIC18F85K90 microcontroller directly drives the LCD and communicates via UART with the MCP2200, offering an isolated USB connection for meter calibration and access to the device power calculations. The system calculates active and reactive energy, active, reactive and apparent power, power factor, RMS current, RMS voltage and the line frequency. The Microchip Energy Meter Software is used to calibrate and monitor the system.

  • Rated 5(60)A 220V 3200 imp/kWh IEC62053-22 Class 0.5 Energy Meter
  • Calculates active and reactive energy, active, reactive and apparent power, power factor, RMS current, RMS voltage and the line frequency
  • Anti-tamper monitoring including neutral monitoring, current circuit reversal, magnetic field disturbance and cover opening detection
  • Microchip Energy Meter Software is used to calibrate and monitor the system
  • Calibration can be done in closed loop or open loop
  • Low-cost capacitive-based power supply design
  • Documentation & Software
    DocumentsLast UpdatedSize
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) Firmware.5/7/2013 4:48:20 PM532KB
    MCP3911 and PIC18F85K90 Reference Design User's Guide5/6/2013 9:55:08 AM1MB
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) BOM2/28/2013 10:30:08 AM29KB
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) Gerbers2/25/2013 1:16:36 PM703KB
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) Software2/25/2013 12:50:10 PM342KB
    PIC18F87K90 Family Data Sheet7/6/2011 12:28:16 PM4MB
    PIC18F87K90 Family Data Sheet PIC18F87K90
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) Firmware. ARD00385
    MCP3911 and PIC18F85K90 Reference Design User's Guide ARD00385
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) BOM ARD00385
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) Gerbers ARD00385
    MCP3911 and PIC18F85K90 Energy Meter (ARD00385) Software ARD00385
    PIC18F87K90 Family Data Sheet ARD00385
    ARD00385