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3.3.16
Real Time Clock Setup............................................................................ 51
3.3.17
Date Format Setup ................................................................................. 53
3.3.18
Reset Functions...................................................................................... 53
3.3.19
Password Protection Control ................................................................... 54
3.4
Self-Test Diagnostics ........................................................................... 55
4. Operation Techniques ............................................................................ 56
4.1
Sampling Technique ............................................................................ 56
4.2
Measurement Modes............................................................................ 56
4.2.1
Real-time RMS Measurements................................................................ 56
4.2.2
Averaging ............................................................................................... 57
4.2.3
Minimum/Maximum Logging .................................................................... 57
4.3
Demand Measurements ....................................................................... 58
4.3.1
Demand Readings .................................................................................. 58
4.3.2
Block Interval Demand ............................................................................ 58
4.3.3
Sliding Window Demand.......................................................................... 59
4.3.4
Thermal Demand .................................................................................... 59
4.3.5
Accumulated and Predicted Demands ..................................................... 60
4.3.6
Demand Interval Measurement ............................................................... 61
4.3.7
Resetting the Demands........................................................................... 62
4.3.8
Demand Interval Pulse ............................................................................ 63
4.4
Energy Measurements ......................................................................... 63
4.4.1
Measurement Modes .............................................................................. 63
4.4.2
Resetting the Energies ............................................................................ 64
4.4.3
Energy Pulsing........................................................................................ 64
4.5
Harmonic Measurements ..................................................................... 64
4.5.1
Measurement Technique......................................................................... 64
4.5.2
Harmonic Parameters ............................................................................. 65
4.5.3
Real-time Waveform Capture .................................................................. 66
4.6
Auxiliary Measurements ....................................................................... 66
4.6.1
Voltage and Current Unbalance............................................................... 66
4.6.2
Calculated Neutral Current ...................................................................... 67
4.6.3
Auxiliary Current Input Operation............................................................. 67
4.6.4
Frequency Measurements....................................................................... 67
4.6.5
Phase Rotation ....................................................................................... 68
4.6.6
Phase Angles.......................................................................................... 68
4.7
Time-Of-Use System ........................................................................... 68
4.7.1
TOU System Operation........................................................................... 68
4.7.2
TOU System Registers ........................................................................... 69
4.7.3
TOU Calendars....................................................................................... 70
4.7.4
Daily Profiles ........................................................................................... 70
4.7.5
Connecting with Energy-counting Meters................................................. 70
4.7.6
Tariff Interval Pulse ................................................................................. 70
4.8
Discrete Input Operation ...................................................................... 70
4.9
Relay Output Operation........................................................................ 71
4.10 Analog Output Operation...................................................................... 72
4.11 Analog Expander Operation ................................................................. 74
4.12 Counter Operation................................................................................ 75
4.13 Timer Operation................................................................................... 75
2
Introduction
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