Time Of Use (Tou) Function; Season Setting; Tou Season Format; Schedule Setting - ADTEK AFM-8A Operation Manual

4.10 Time of use (TOU) function

User can assign up to 4 diff erent tariff s (sharp, peak, valley and normal) to diff erent time
period within a day according to the billing requirements. The meter will calculate and
accumulate energy to different tariffs according to the meter's internal clock timing and
TOU settings.
TOU setting: User can set a maximum of 4 TOU seasons, each season can be assigned
to a TOU schedule, maximum of 8 TOU schedules are available. Each schedule can be
divided up into 8 segments, each segment can have its own tariff (sharp, peak, valley and
normal).
User can customize the TOU calendar (including its tariffs, seasons, schedules and
segments) according to different applications. To make sure that the TOU calendar is
setup correctly, the meter will check the TOU settings according to the predefi ned rules.
TOU function will be disabled if the TOU calendar is set up incorrectly. If no errors are
found in the calendar and the TOU function is enabled, TOU energy accumulation will
begin.
TOU setting format requirement:

4.10.1 Season setting

The calendar year will be divided up into different seasons depending on the season
setting parameter. The parameter can be selected from any integer between 1 to 4. User
must enter the correct value for the season setting parameter in accordance to the TOU
season table. If the season setting parameter is set as 2, the first 2 slots of the TOU
season table must be set, otherwise it will be considered as an invalid input, TOU function
will be disabled.

4.10.2 TOU season format

Enter the start date into the TOU season table slot following this format "MM-DD ID",
MM stands for the month, DD stands for the day and ID stands for the TOU schedule
ID, available from 1 to 8. The dates should be organized so that they are in sequence
according to the calendar year, the earlier date comes fi rst and the later date comes last.
For example, if 3 seasons are selected, the date parameters are January 1, June 6 and
September 7, and TOU schedule 02, 01, 03 will be used respectively, the fi rst TOU season
table slot shall enter 01-01 02, the second slot shall enter 06-06 01, and the third slot shall
enter 09-07 03. Entering 01-01 02 for the fi rst slot, 09-07 03 for the second slot and 06-06
01 for the third slot is considered invalid.

4.10.3 Schedule setting

The number of available TOU schedules depends on the schedule setting parameter. The
parameter can be selected from any integer between 1 to 8. This parameter determines
the number of TOU schedules available for the TOU calendar setting. A maximum of 8
TOU Schedules, from TOU Schedule #1 to TOU Schedule #8 can be used.
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