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XLE12SP Prepaid Kwh Meter 1 Phase 2 Wire Advanced Commissioning
• Split prepayment meter, significantly reducing the possibility of fraud and bypassing
• Compact meter (EMU) design
• Proven keypad technology
• Programmable operating modes:
2. Credit metering
• Galvanically isolated communication to CIU for consumer safety
• Tamper detection
• Significant Reverse Energy (SRE) detection
• Programmable software power limit
• Advanced commissioning / decommissioning feature
• STS Complaint
• Language independent user interface
• Optional large LCD and keypad at the EMU
• Improved sealing against ingress of insects
• Easy to see diagnostic LED’s on the EMU for Meter state indication and communications
• High surge withstand capability for areas prone to lightning or other line surges
Principle of Operation: Meter Modes
The XILI prepayment meter range provides utilities with the utmost flexibility in terms of being able to adapt to a range of different consumer profiles. Two, utility-programmable modes of operation are available and it is possible to switch between modes as required:
• Prepayment Mode
• Credit Mode
In prepayment metering mode, it functions as a normal prepayment meter. Credit tokens are purchased and entered into the meter via the customer interface unit keypad. On expiry of credit, the load is disconnected and will only be re-connected when a valid credit token, purchased by the consumer, is entered.
In credit metering mode, it functions as a conventional credit meter. Power is continuously supplied to the consumer and total kWh used is continuously measured and recorded. The meter must be read by the utility at regular intervals and the consumer billed accordingly.
Split prepayment meter Product Brochure
User-friendly customer interface
User interaction with the meter and access to meter information (such as a low credit warning, energy consumption, and load contactor status) is available using the customer interface’s keypad and large LCD display.
The customer interface makes use of clear, language independent icons. In addition, audible tones are sounded under different conditions (e.g. Low Credit Alarm).
As an option, the meter can be supplied with a local keypad and LCD display. This allows the utility staff to inspect and update various parameters of the meter in the remote kiosk without having to gain access to the consumer’s house to access the customer interface unit.
The split configuration of Gemini meters significantly reduces the risk of tampering. The meter is installed in a remote, secure location and a utility-sealed wire seal on the front of the meter. The use of these mechanical seals ensures that there are visible signs of tampering if unauthorized entry to the system is attempted. In addition, the units are equipped with a terminal cover tamper sensor that will automatically disconnect the power to the load in the event of tampering.
Meter status and diagnostic indicators
The meter includes a LED status indicator. This allows a technician to view the state of the meter without the need for specialized interrogation tools or having to gain access to the consumer’s premises. Information such as tamper status, power limiting, commissioned status and credit status are available. The meter also features a dedicated diagnostic LED for indicating the status of the customer interface unit communications. It can indicate the presence of “Open” or “short” circuited communication lines. This is a valuable visual aid that assists the technician to validate the installation and determine probable fault types.