Liberty 100 Smart Electricity Meter Technical Reference Manual
of credit before the end of the grace period then the supply will disconnect unless the grace period is configured
such that the supply never disconnects.
In Friendly Credit period the meter will continue to manage its account in accordance with its configuration, tariff
and debt settings. Debts accrued during a Friendly Credit period are deducted from user’s top-up with only the
balance being added to the meter’s account.
Friendly Credit periods are configurable locally as well as remotely by authorised users. The following
combinations can be configured for Friendly Credit periods:
a) Start and end time (hh:mm) which will apply every day
b) Day of the week (1 through 7; Monday=1, Sunday=7)
c) Specific dates (DD:MM:YYYY) up to a maximum of 30 days
d) Seasonal (i.e. periods more than a day), start and end dates (DD:MM) up to a maximum of 10 seasonal
periods.
Except for (a) in the list above, all configured Friendly Credit periods start at 00:00:00 hours on the start date
and end at 23:59:59 hours on the end date. If multiple Friendly Credit periods overlap, the longest period will
apply as shown in the following example:
Friendly Credit Start time Friendly Credit End time
Configured Friendly Credit
periods
Sunday (HH:MM) 19:00 Monday (HH:MM) 08:00
Monday (HH:MM) 00:00 Monday (HH:MM) 23:59
Friendly Credit period in force: 19:00 (Sunday) 23:59 (Monday)
At the end of each Friendly Credit period the meter triggers audible and visual alerts that will be available locally
to the user and remotely to HES.
An alarm suppression period, which is independent of Friendly Credit period, can also be configured in the
meter to suppress account status related audible alarms but not the visual alerts or logging of associated
events.
5.5.4 Accounting Zones in Prepayment Mode
Liberty 100 meters operating in Prepayment mode will have the following four accounting zones:
● Credit zone
● Low Credit zone
● Emergency Credit zone
● No Credit zone
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