Liberty 100 Smart Electricity Meter Technical Reference Manual
● Remote disconnection and reconnection (‘READY’ state) of switch
● Events and tamper detection
● Scheduled transfer of profiles, alerts, meter readings and messages
● Load profiling
In default mode the meter will reject all vend UTRNs and does not perform any scheduled billing, and supports
only default mode displays.
5.1.2 Credit Mode
In Credit mode the meter will perform billing actions as detailed in ‘Billing Snapshot’ in Section 5.2.4.2 and
displays the total import kWh register, total export kWh (if applicable), tariff registers and credit balance. The
credit balance comprises consumption cost and standing charges. On billing, the credit balance resets to zero.
The meter activates the following functionality when operating in this mode:
● Multiple tariff structure – Time of Use (TOU), Slab or Block and Hybrid tariff (48 x 1 or 8 x 8 tariff
options)
● Load profiling
● Load limiting
● Remote disconnection and reconnection (‘READY’ state) of switch
● Events and tamper detection
● Scheduled transfer of profiles, alerts, meter readings and messages
5.1.3 Prepayment Mode
In Prepayment mode the meter will perform billing actions as detailed in Section 5.2.4.2 ‘Billing Snapshot’.
Prepayment mode supports four different accounting zones as detailed in Section 5.5.4 ‘Accounting Zones in
Prepayment Mode’ and generates account specific visual alerts and audible alarms. In addition, this mode
supports the following features:
● Adding or deducting credit from the meters account manually, locally and remotely.
● Displaying account specific messages.
● Emergency Credit and Friendly Credit.
● Meter switch operation based on the account state, Friendly Credit and Emergency Credit
configurations.
The meter activates the following functionality when operating in this mode:
● Multiple tariff structure: Time of Use (TOU), Slab or Block and Hybrid tariff (48 x 1 or 8 x 8 tariff options)
● Load profiling
● Load limiting
● Remote disconnection and reconnection (‘READY’ state) of switch
● Event and tamper detection
● Scheduled transfer of profiles, alerts, meter readings and messages
● Prepayment features:
o Sending alerts when the meters account becomes low
o Updating, activating and repaying Emergency Credit
o Updating Friendly Credit days/hours
o Adding credit to the meter manually via UTRN entry at the meter or remotely via HES or IHD.
o Disconnecting and reconnecting supply
o Debt recovery
o Displaying latest five payment history
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