DDZY1789-ZD Single Phase Prepayment Smart Meter

Overview

It is a single phase prepayment smart meter manufactured by Friendcom under its AMI Solution Products line. It supports remote meter reading and remote fee control via PLC, micro-power wireless or hybrid networking, and integrates multiple metering, billing, data recording and communication capabilities for household electricity measurement.

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Features

  • 1. Measures forward and reverse active energy to calculate combined active energy
  • 2. Supports TOU and step billing: two tariff time tables, 4 tariffs per table, maximum 14 configurable annual time zones/periods
  • 3. Built-in temperature-compensated hardware clock with calendar, timing and automatic leap year conversion
  • 4. Monitors grid parameters: voltage, current (neutral line included), active power, power factor
  • 5. Records event logs for programming, cover opening, power failure, time calibration, tripping and related timestamps/meter status
  • 6. Backlight display with button-triggered content switching; display items configurable via communication port
  • 7. Multiple freeze data modes: scheduled, instant, daily, hourly freeze
  • 8. No IC card slot, fully remote fee control supported
  • 9. Dual independent communication interfaces: RS-485 and far infrared
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  • Specification Table


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