Prepayment Events; Utrn Events; Credit Account Events; Switch Operation Events - Secure Liberty 100 Technical Reference Manual

If the supply is disconnected due to any of the above events then restoration of such event resets the tamper
flag and drives the supply switch to its READY state from where a user can reconnect their supply by using the
meter keypad or IHD to acknowledge the displayed message. The tamper event counter resets to zero when
the supply is restored.

5.16.4 Prepayment Events

The following events are recorded in the meter's prepayment event log together with the date and time of their
occurrence:
● Low credit condition or credit exhausted.
● Emergency credit offered, enabled, in use, low or exhausted.
● Friendly Credit about to expire or expired.
If configured, the meter can send alerts for such events to the HES.

5.16.5 UTRN Events

The following UTRN transaction events are recorded in the meter's UTRN event log along with their date and
time of occurrence:
● Vend UTRN.
● Supply connection UTRN.
● Engineering service UTRN for switching the meter to default mode, enabling or disabling the local
communication port, clearing data logs or clearing the site ID and payment card ID.
● Retained credit UTRN.
● Rejected UTRNs with reason for rejection.
If configured, the meter can send alerts for such events to the HES.

5.16.6 Credit Account Events

Account updates due to debt setting or account top-ups are recorded in the meter's credit account event log
along with their date and time of occurrence. If configured, the meter can also send alerts for such events to
HES.

5.16.7 Switch Operation Events

Each time the meter's switch state is changed (OFF, READY, ON) either locally or remotely, the event is
recorded in the meter's switch operation event log together with the date and time of their occurrence. For
switch arming, the meter records the 'READY' to connect reason code too.
If configured, the meter can send alerts for such events to the HES.

5.16.8 Security Events

The following activities are recorded in the security events register:
Password change, meter lock or unlock, key change, HES public key change, security clearance grant or
release, excessive firmware upgrades (more than twice per day) and excessive switch operations (more than
ten per day).
BGX501-767-R02 Liberty 100 Smart Electricity Meter Technical Reference Manual Page 47 of 116