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PowerLogic™ PM5500 series user manual
HRB1684301-01 7
Multi-tariff feature example ..........................................................................103
Multi-tariff feature overview .........................................................................103
Command mode overview .......................................................................104
Time of day mode overview .....................................................................104
Tariff validity ......................................................................................... 104
Tariff creation method .......................................................................... 104
Input mode overview ................................................................................105
Configuring tariffs ........................................................................................106
Configuring time of day mode tariffs ........................................................106
Configuring input mode tariffs using the front panel ................................106
Chapter 12—Measurements and calculations ...........................................................................................109
Real-time readings ......................................................................................109
Energy .........................................................................................................109
Min/max values ...........................................................................................109
Power factor ................................................................................................109
Power factor min/max convention ............................................................110
Power factor sign convention ...................................................................110
IEC mode ............................................................................................. 110
IEEE mode ........................................................................................... 111
Power demand ............................................................................................111
Power demand calculation methods ........................................................111
Block interval demand.......................................................................... 111
Synchronized demand.......................................................................... 112
Thermal demand .................................................................................. 113
Current demand ..........................................................................................113
Predicted demand ....................................................................................113
Peak demand ...........................................................................................114
Input metering demand ............................................................................114
Timer ...........................................................................................................114
Operating timer..................................................................................... 114
Load timer ............................................................................................ 115
Chapter 13—Power quality ..........................................................................................................................117
Harmonics overview ....................................................................................117
Crest factor and K-factor ..........................................................................117
Total Harmonic Distortion and Total Demand Distortion .........................117
Harmonic content calculations ............................................................. 118
THD and thd calculations ..................................................................... 118
TDD calculation.................................................................................... 118
Displaying harmonics data ..........................................................................119
Viewing harmonics using the front panel .................................................119
Viewing TDD, K-factor and Crest factor data ...........................................119
Viewing THD/thd using the front panel ....................................................120
Chapter 14—Maintenance and upgrades ...................................................................................................121
Maintenance ................................................................................................121
Wrench icon .............................................................................................121
Troubleshooting LED indicators ...............................................................121
Meter memory .............................................................................................122
Clock battery ........................................................................................ 122
Firmware version, model and serial number ...............................................122
Firmware upgrade .......................................................................................122
Using DLF300 to upgrade firmware .........................................................123
Upgrading the Ethernet card .......................................................................124
Technical assistance ...................................................................................125
Diagnostics screen ......................................................................................125
Info, Meter and Cl Pwr .............................................................................125
Phasors ....................................................................................................125