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General| Device Type | Electricity Meter |
|---|---|
| Communication | Power Line Carrier (PLC) |
| Prepayment | Yes |
| Category | Measuring Instruments |
| Voltage Rating | 230V AC |
| Display | LCD |
| Prepayment Method | Token-based |
| Operating Temperature | -10°C to +55°C |
| Ingress Protection | IP54 |
| Technology | PLC |
| Meter Type | Single-phase |
| Standards Compliance | IEC 62052-11 |
Acronym for Customer Interface Unit, a key component of the meter system.
Memory type used for storing data in the meter.
Refers to the unique identification of a component or system.
Standard unit of energy consumption.
Display technology used on the customer interface unit.
Indicator light used on the meter and interface unit.
Communication technology used between meter and CIU.
Safety standard for electrical circuits.
Identifier for the electricity supply group.
Standard for token-based payment systems.
Describes the Cashpower Gemini PLC as a single phase prepayment meter using PLC.
Highlights suitability for replacing conventional meters in existing dwellings.
Covers the functionality of both the meter and the customer interface unit.
Explains communication between CIU and meter via power line network.
Details CIU connection to mains and battery backup for credit expiry.
Describes remote interrogation of meters via distribution transformer.
Red LED indicating energy consumption rate, 1000 pulses/kWh.
Port for data transfer using portable interrogation devices (IEC 62056-21).
Yellow LED indicating meter status like power limit, out of credit, etc.
Details meanings of different flash patterns for the status indicator LED.
Red LED on CIU for visual indication of instantaneous power consumption.
Yellow LED indicating critically low credit levels.
Main display for credit, keypad entries, and information.
12-key interface for voucher entry and accessing functions.
Explains language-independent pictograms and their meanings on the LCD.
Shows how the LCD displays credit, warnings, and meter modes.
Icons indicating good (happy) or bad (sad) status, e.g., tampering.
Wedge-shaped indicator showing remaining credit levels.
Icon indicating when the meter is in information viewing mode.
Icon indicating operation in credit metering mode.
Icon indicating displayed units are power (kWh).
Indicates data reception/transmission via PLC, shown by decimal point flashes.
Describes prepayment meter operation, with CIU as remote interface.
Details what the LCD shows during normal operation.
Explains how to enter voucher numbers using the CIU keypad.
Describes how the meter processes entered vouchers.
Details the display sequence for an incomplete voucher entry.
Describes the meter's actions after a complete voucher is entered.
Display sequence when a voucher is successfully accepted.
Details display for STS key change voucher acceptance.
Display sequence for valid vouchers rejected due to credit overflow.
Display sequence for rejected vouchers, including reject time explanation.
Display sequence for duplicate voucher entries.
Display sequence for expired STS vouchers.
Explains how the meter accepts and processes proprietary or STS formats.
Transfers variable quantity of credit to the meter.
Used for key changes to maintain prepayment system security.
Complements the Set 1st Dispenser Key Voucher for key changes.
Restores normal operation after a meter tampering event.
Sets the power limit level for the meter.
Sets high and low credit levels for the LCD indicator.
Resets credit to zero and opens the load switch.
Used to test various functions on the meter.
Details supported tests and their corresponding voucher numbers.
Used in STS meters to ensure load remains disconnected during installation.
Meter-specific version of the commissioning voucher.
Opens load switch and disables tamper detect on decommissioning.
Sets the meter to operate in credit metering mode.
Sets the meter to operate in prepayment metering mode.
Details meter's acceptance of 16-digit numbers from Cashpower Transfer Specification.
Explains how to 'hide' key-change sequences and embed credit.
Treats initial key change the same as a normal key change.
Restores normal operation after tampering, resets power-fail counter.
Sets power limit levels (16 pre-defined settings).
Sets high and low credit levels for LCD indicator.
Clears credit and opens load switch.
Clears all existing log entries.
Opens load switch for a short period for testing.
Facilitates installation by keeping load disconnected and tamper disabled.
Meter-specific version of the commissioning voucher.
Decommissions the meter, opening the load switch.
Explains benefits and effects of setting meter to decommissioned/commissioned mode.
Option for meter readers to view total units, while CIU shows credit.
Feature to set maximum load, adjustable via voucher.
Describes actions when power limit is exceeded (load switch opens).
Detects and measures reverse power, flagging significant events.
Explains how load switch can be re-closed after trips.
Option to open load switch during power failure to prevent fraud.
Port for rapid and safe data extraction using portable devices.
Optional port for extracting meter data during electronics failure.
Describes mechanical sealing and terminal cover screw with wire seals.
Detects terminal cover removal, causing power disconnection.
Detects Significant Reverse Energy (SRE) and can trigger tampering.
Procedure for resetting tamper condition and restoring normal operation.
Details meter operation when set to credit metering mode.
Explains how total and credit registers behave in credit metering mode.
CIU acts as remote display/keypad, handles alarms and PLC communication.
CIU must be connected to mains for proper function and display.
Details the 9V battery for operation during power outages.
Process of linking the CIU to its associated meter.
Step-by-step guide for commissioning CTS and STS meters.
Process to disconnect a customer interface unit from a meter.
Steps to decommission the CIU, including entering a code.
Enables/disables an audible warning for low credit levels.
Refers to section 6.10 for details on the PLC communication indicator.
How CIU operates and updates status when connected to mains.
CIU operation during power outages or out-of-credit conditions.
CIU behavior on battery, waking up, and power-save mode.
How to view meter data by entering 3-digit register codes.
Table listing register numbers and their corresponding functions/data.
Displays the unique identity number of the meter.
Shows the current power being consumed by the connected load.
Stores and displays the remaining credit in the meter.
Displays total kWh consumed since the meter was put into service.
Shows consumption (kWh) during the current 24-hour period.
Displays consumption (kWh) from the previous 24-hour period.
Shows consumption (kWh) during the current 30-day period.
Displays consumption (kWh) from the previous 30-day period.
Displays the credit level for the lower two credit wedges.
Displays the credit level for the upper two credit wedges.
Displays the power level at which the load switch will open.
Displays missing digits of STS meter numbers.
Shows the meter's current state (e.g., load switch inhibit, tampered).
Displays factory-set personalized functions that cannot be changed.
Displays functions personalized at manufacture, changeable via voucher.
Shows meter states determined at startup or during operation.
Displays the software version number masked into the microprocessor.
Counts the number of power failures; cleared by tamper reset voucher.
Displays the time of issue of the last CTN entered.
Displays the date of issue of the last CTN entered.
Identifier of the last voucher entered (STS or CTS).
Displays the value (kWh) of the last CTN entered.
Refers to STS specification for key details.
Refers to STS specification for tariff information.
Displays credit register with 0.01kWh resolution.
Indicates if a key-change has been performed on the meter.
Displays total units register with 0.01kWh resolution.
Discusses how AC mains interference affects PLC communication performance.
Provides steps to resolve communication failures and error messages.
Meter can be accessed remotely using the PLC communication channel.
Ensures meter safety with cover and seals; CIU can be mounted anywhere.
Communications interface is galvanically isolated from the mains supply.
