ADE75 datasheet(4/148 Pages) AD

4 / 148 page

ADE75xx/ADE71xx

Preliminary Technical Data

Rev. PrE | Page 4 of 148

Zero-Crossing Timeout......................................................... 49

Period or Frequency Measurements.................................... 49

Line Voltage Sag Detection ................................................... 50

Peak Detection........................................................................ 50

Peak Level Record .................................................................. 51

Phase Compensation.................................................................. 51

ADE75XX/ADE71XX RMS Calculation................................. 51

Current Channel RMS Calculation...................................... 52

Current channel RMS Offset Compensation ..................... 52

Voltage channel RMS Calculation ....................................... 53

Voltage channel RMS Offset Compensation ...................... 53

Active Power Calculation .......................................................... 53

Active power gain calibration............................................... 54

Active power offset calibration............................................. 54

Active power sign detection.................................................. 54

Active power no-Load detection.......................................... 55

Active Energy Calculation .................................................... 55

Integration time under steady Load .................................... 56

Active energy accumulation modes..................................... 56

Active energy Pulse output ................................................... 57

Line cycle active energy accumulation mode..................... 57

Reactive Power Calculation....................................................... 59

Reactive gain automatic compenstation.............................. 59

Reactive power gain calibration ........................................... 59

Reactive power offset calibration ......................................... 59

Sign of Reactive Power Calculation ..................................... 60

Reactive power sign detection .............................................. 60

Reactive power no-Load detection ...................................... 60

Reactive Energy Calculation................................................. 61

Integration time under steady Load .................................... 61

Reactive energy accumulation modes ................................. 61

Reactive energy Pulse output................................................ 62

Line cycle reactive energy accumulation mode ................. 62

Apparent Power Calculation..................................................... 63

Apparent Power Offset Calibration ..................................... 63

Apparent Energy Calculation ............................................... 63

Integration Times under Steady Load ................................. 64

Apparent energy Pulse output .............................................. 64

Line Apparent Energy Accumulation.................................. 64

Apparent power no-Load detection .................................... 65

Energy-to-Frequency Conversion ........................................... 65

Pulse output configuration ................................................... 66

Pulse output characteristic.................................................... 66

Energy register scaling............................................................... 66

Energy measurement interrupts............................................... 67

Temperature, Battery and External Voltage Measurements...... 68

Temperature measurement ....................................................... 70

Single Temperature Measurement ....................................... 70

Background Temperature Measurements........................... 70

Temperature ADC in PSM1 and PSM2............................... 70

Temperature ADC interrupt................................................. 71

Battery measurement ................................................................. 71

Single Battery Measurement................................................. 71

Background Battery measurements..................................... 71

Battery ADC in PSM1 and PSM2 ........................................ 71

Battery ADC interrupt........................................................... 71

External Voltage Measurement................................................. 72

Single External voltage Measurement ................................. 72

Background External Voltage Measurements .................... 72

External voltage ADC in PSM1 and PSM2......................... 72

External voltage ADC interrupt ........................................... 72

8052 MCU CORE Architecture.................................................... 73

MCU registers............................................................................. 73

Basic 8052 Registers ................................................................... 74

Standard 8052 SFRs.................................................................... 75

Memory Overview ..................................................................... 76

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