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UM1529 Datasheet(PDF) 1 Page - STMicroelectronics |
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UM1529 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 35 page ![]() September 2012 Doc ID 022953 Rev 1 1/35 UM1529 User manual Single-phase energy meter with 80 A maximum current based on STPM10 metering IC and STM8L152C6 MCU with dual interface EEPROM Introduction This document describes the functioning of a single-phase energy meter based on the STPM10 metering IC and STM8L152C6 microcontroller. The demonstration board STEVAL-IPE020V1 is a fully functional single-phase solution with parameter display, tamper management, maximum demand (MD) calculation, with dual interface (RF and I2C interface) EEPROM data logging and low-power management. The meter specifications are: ■ Accuracy: class 1 with dynamic range 200:1 ■ Nominal voltage: 240 V ■ Nominal current: 10 A (ITYP) ■ Maximum current: 80 A (IMAX) ■ Operating range: 0.6 Vb to 1.2 Vb ■ Meter constant: 1600 impulses/kWh ■ Power frequency range: 45 Hz to 65 Hz ■ Sensor: primary side CT and secondary side shunt ■ Communication interface: IrDA Figure 1. Single-phase energy meter solution based on STPM10 and STM8L152C6 with dual interface EEPROM www.st.com |
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