BGX501-742-R01, APEX100 User Manual
Y – Available for selection
N – Not available
D – Default (Based on Indian companion standard) & should not be changed
Notes:
1. Rate & MD registers are not available for category B meters
2. In Display any parameter can be selected.
3. All the bi-directional energy registers (* marked) use a sign indication („-„sign will be available for negative
value and no sign for positive value). 9999999 formats are not be supported.
4. In „Apparent‟ and „Net Active‟ energy calculations, „Active‟ energy can be either „fundamental‟ or „total‟. This
can be configured through the tariff tool. Both energies need to be of same type.
5. Main energy, midnight energy snapshot, event snapshot and rate register include 10th portion of Bucket
6. Load survey and maximum demand include the 100th portion of bucket.
5.3 Time of Use (TOU)
5.3.1 Day Type
A maximum of 16 day types can be created; each individual day type can have a maximum of 16 time zones
and eight TOU registers.
5.3.2 Seasons
A maximum of 16 seasons can be created for a year. In each season, from Monday to Sunday different day
types can be assigned for rate and MD registers.
5.3.3 Special Day
A maximum of 30 special days can be created.
5.3.4 Rate Registers
The tariff defines up to eight rate registers and 16 time zones. The energy types for which these registers are
defined are selectable through the tariff and can be changed at run time. At any time there is only one rate
register active. The switching time has a resolution of 5 minutes.
5.3.5 Maximum Demand Registers
The tariff defines up to eight Maximum Demand registers. The energy types for which these registers are
defined are selectable through the tariff. The switching times are specified to a resolution of 15 minutes. Any
number of the defined registers may be active at a time. The meter allows fixed block /sliding window based
demand calculations. The demand integration period can be 15, 30 or 60 minutes. Slide window resolution is 5
minutes. Demand integration period is done in multiples of the window size (or Demand Sampling Period DSP).
This selection can be done in the tariff and can be changed at run time. All the unidirectional energy registers
with a maximum of 14 energies can be selected for the MD registers.
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