Description
The 71M6543F/71M6543G are 4th-generation polyphase metering systems-on-chips (SoCs) with a 5MHz 8051-compatible MPU core, low-power real-time clock (RTC) with digital temperature compensation, flash memory, and LCD driver.
Features
- 0.1% Typical Accuracy Over 2000:1 Current Range.
- Exceeds IEC 62053/ANSI C12.20 Standards.
- Seven Sensor Inputs with Neutral Current
Measurement, Differential Mode Selectable for Current Inputs.
- Selectable Gain of 1 or 8 for One Current Input to Support Shunts.
- High-Speed Wh/VARh Pulse Outputs with Programmable Width.
- 64KB Flash, 5KB RAM (71M6543F).
- 128KB Flash, 5KB RAM (71M6543G).
- Up to Four Pulse Outputs with Pulse Count.
- Four-Quadrant Metering, Phas.
71M6543F-Silergy.pdf