4.2 Microchip Smart Meter SDK Overview

The present application firmware has the following features:

• Smart Meter Demonstrator
• All the peripheral device drivers are available in Microchip SEF
• Availability of total and per phase Measurements: V, I, Wh, VArh, I²h
• Availability of total fundamental and harmonics, total fundamental only and per phase Measurements: V, I, Wh, VArh, I²h
• Terminal command interface allows user to access the Microchip Metrology Library, configure the meter parameters, display measurement results and line voltage status
• Display cumulative energy Wh, momentary energy Wh, power unit, energy flow, energy flow direction and miscellaneous icons
• Meter calibration settings
• Meter default configuration, meter configuration saving and loading in non-volatile memory
• Power fail detection and measurements saving and restoring in non-volatile memory
• LCD display management
• Support Rogowski, Current Transformer and Shunt current sensors
• Phase A, B, and C m^th harmonic only measurements: V²h, I²h, Wh, VArh
• Line voltage monitor per phase: swell, sag, zero-crossing, frequency
• ADC samples data capture
• Support Single-phase meter, neutral current meter and others
• Total three output pulses with pulse source selection