ADSST-EM-3035

www.DataSheet4U.com a FEATURES IEC 687, Class 0.5 and Class 0.2 Accuracy ANSI C12.1 IEC 1268, Requirements for Reactive Power Configurable as Import/Export or Import Only Simultaneous Measurement of: Active Power and Energy—Import and Export Reactive Power and Energy Apparent Power Power Factor for Individual Phases and Total Frequency RMS Voltage for All Phases RMS Current for All Phases Harmonic Analysis for Voltage and Current All Odd Harmonics up to 21st Order Interface with a General Purpose Microcontroller User-Friendly Calibration of Gain Offset and Phase and Nonlinearity Compensation on CTs (Patent Pending) Two Programmable Output E-Pulses Programmable E-Pulse Constant from 1,000 Pulses/kWh to 20,000 Pulses/kWh 15 kHz Sampling Frequency Tamper-Proof Metering Single 5 V Supply GENERAL DESCRIPTION SMPS RESISTOR BLOCK SALEM Three-Phase Electronic Energy Meter ADSST-EM-3035 FUNCTIONAL BLOCK DIAGRAM LCD DISPLAY ® DSP SPI BUS ␮C ADC BUTTONS CT CT CT ADSST-EM-3035 CHIPSET FLASH OPTO RTC RS-232 DataShee DataSheet4U.com The ADSST-EM-3035 Chipset consists of a fast and accurate 6 channel, 16-bit sigma-delta analog-to-digital converter ADSST-73360AR (ADC), an efficient digital signal processor ADSST-2185KST-133 (DSP), and Metering Software. The ADC and DSP are interfaced together to simultaneously acquire voltage and current samples on all the three phases and perform mathematically intensive computations to accurately calculate the Powers, Energies, Instantaneous Qu...