CET Electric Technology
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4.2 Power and Energy ...............................................................................................................30
4.2.1 Basic Measurements................................................................................................30
4.2.2 Energy Measurements.............................................................................................30
4.2.3 Demand Measurements ..........................................................................................31
4.3 Power Quality......................................................................................................................31
4.3.1 Phase Angles ............................................................................................................31
4.3.2 Power Quality Parameters.......................................................................................32
4.3.3 Unbalance ................................................................................................................33
4.4 Setpoints .............................................................................................................................33
4.5 Logging ................................................................................................................................35
4.5.1 Peak Demand Log ....................................................................................................35
4.5.2 SOE ...........................................................................................................................35
4.6 Time of Use (TOU)...............................................................................................................36
Chapter 5 Modbus Register Map ........................................................................................................37
5.1 Basic Measurements...........................................................................................................37
5.2 Energy Measurements........................................................................................................38
5.3 Harmonic Measurements ...................................................................................................39
5.3.1 Power Quality Measurements.................................................................................39
5.3.2 Current Harmonic Measurements...........................................................................39
5.3.3 Voltage Harmonic Measurements...........................................................................39
5.4 Demands .............................................................................................................................40
5.4.1 Present Demands.....................................................................................................40
5.4.2 Peak Demand Log of This Month (Since Last Reset) ...............................................40
5.4.3 Peak Demand Log of Last Month (Before Last Reset) .............................................40
5.4.4 Demand Data Structure...........................................................................................40
5.5 SOE Log................................................................................................................................40
5.6 Device Setup........................................................................................................................42
5.6.1 Basic Setup Parameters ...........................................................................................42
5.6.2 I/O Setup Parameters...............................................................................................44
5.6.3 Setpoints Setup........................................................................................................44
5.7 TOU Setup ...........................................................................................................................45
5.7.1 Basic .........................................................................................................................45
5.7.2 Season......................................................................................................................46
5.7.3 Daily Profile..............................................................................................................46
5.7.4 Alternate Days..........................................................................................................47
5.8 Time.....................................................................................................................................47
5.9 DO Control...........................................................................................................................48
5.10 Meter Information ............................................................................................................48
Appendix A Technical Specifications....................................................................................................50
Appendix B Standards Compliance .....................................................................................................52
Appendix C Ordering Guide ................................................................................................................53
Contact us ..........................................................................................................................................54
