7.10.3.2. Energy rate registers
The meter records the consumption of all tariff-based metered energy in up to thirty-two individual energy rate
registers. Each of the meter energy channels (page 36) can have a maximum allocation of eight energy rate
registers from within this limit.
The correct configuration of energy rate registers is of major importance as they are directly linked to the billing of
metered energy.
The meter offers two modes of energy rate register operation:
Incremental
The registers are reset to zero at the end of a billing period (EOB).
Cumulative
The registers are never reset and the energy will continue to accumulate during the next billing periods.
At the end of a billing period (page 45) the energy rate registers are read and the values recorded to historical
buffer registers (page 46).
Further specific registers are dedicated to store the working time of each energy rate register (in seconds). These
registers are never reset after an EOB.
Tariff rate switching
The meter calendar will automatically switch energy rates during the day in accordance with the current contract-
specified tariff structure.
Note: At any one time, only one tariff rate is active for each energy channel.
Tariff rate switching can be completely independent between energy channels with, for example, several rates
specified for active energy and one rate for reactive energy.
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