ADSST-EM-2030 Datasheet | 3-Phase Electronic Energy Meter Chipset





ADSST-EM-2030 PDF File (Datasheet) Download

Part Number ADSST-EM-2030
Description 3-Phase Electronic Energy Meter Chipset
Manufacture Analog Devices
Total Page 20 Pages
PDF Download Download ADSST-EM-2030 PDF File

Features: www.DataSheet4U.com a FEATURES 3-Phase, 4-Wire Metering IC High Accuracy Suppo rt for 50 Hz/60 Hz, IEC1036 Design Accu racy: 0.5% over 5% of Ib to 6% of Ib 0. 65% over 2% of Ib to 5% of Ib Measures: kWh kW rms Voltage of Each Phase rms C urrent of Each Phase Phase and Nonlinea rity Compensation for CTs Potentiometer -Free Design SPI Communication for: Dat a to Microcontroller Calibration Progra mmable E-Pulse Drive for: Electromechan ical Counter 2-Phase Stepper Motor Coun ter Low Power (50 mW Typ) E-PULSE Thre e-Phase Energy Meter Chipset ADSST-EM-2 030* FUNCTIONAL BLOCK DIAGRAM PT PT PT COUNTER LCD DISPLAY RTC ADSST-EM-2030 µCONTROLLER CT OPTICAL PORT CT CT PO LY PHASE ENERGY METER USING THE ADSST-E M-2030 OP AMP + MUX DataShee DataShe et4U.com GENERAL DESCRIPTION ADSST-EM- 2030 is a highly accurate and low cost phase energy measurement IC intended to be used in 3-phase, 4-wire systems. Wh en used with an op amp and a multiplexe r, the ADSST-EM-2030 surpasses the accuracy requirement of the I.

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www.DataSheet4U.com
a
Three-Phase Energy
Meter Chipset
ADSST-EM-2030*
FEATURES
3-Phase, 4-Wire Metering IC
High Accuracy Support for 50 Hz/60 Hz, IEC1036
Design Accuracy:
0.5% over 5% of Ib to 6% of Ib
0.65% over 2% of Ib to 5% of Ib
Measures:
kWh
kW
rms Voltage of Each Phase
rms Current of Each Phase
Phase and Nonlinearity Compensation for CTs
Potentiometer-Free Design
SPI Communication for:
Data to Microcontroller
Calibration
Programmable E-Pulse
Drive for:
Electromechanical Counter
2-Phase Stepper Motor Counter
Low Power (50 mW Typ)
DataSheet4U.com
FUNCTIONAL BLOCK DIAGRAM
E-PULSE
PT COUNTER
LCD DISPLAY
RTC
PT
PT ADSST-EM-2030
µCONTROLLER
CT
CT OP AMP + MUX
OPTICAL PORT
CT
POLY PHASE ENERGY METER USING THE ADSST-EM-2030
DataShee
GENERAL DESCRIPTION
ADSST-EM-2030 is a highly accurate and low cost phase
energy measurement IC intended to be used in 3-phase, 4-wire
systems. When used with an op amp and a multiplexer, the
ADSST-EM-2030 surpasses the accuracy requirement of the
IEC1036 standard.
ADSST-EM-2030 is a MicroConverter® consisting of a microcon-
troller, 6-channel, 12-bit ADC, SPI port, program memory and
Flash for storage of constants. The only analog circuitry used in
ADSST-EM-2030 is the ADC. All other signal processing is carried
out in digital domain. This provides superior accuracy over extreme
environmental conditions and time.
ADSST-EM-2030 can drive an electromechanical counter or a
2-phase stepper motor counter, or can be interfaced to a
microcontroller to build a feature-rich meter with LCD, maximum
demand, time of use, and communication.
Ratio, phase, and nonlinearity errors of the CTs are compensated
for by using software. This reduces the cost of CTs and reduces
calibration time caused by unreliable potentiometers.
Because the ADSST-EM-2030 is a low power device, it can be
powered by a simple R-C power supply, reducing the cost of
operation.
ADSST-EM-2030 supplies average real power information on
the low frequency outputs F1 and F2. These logic outputs can
be used to drive an electromechanical counter. The CF logic pin
gives the instantaneous real power information. This output is
intended to be used for calibration.
ADSST-EM-2030 is available in a 28-lead SSOP package.
*Protected by U.S.Patent No. 5,969,657; other patents pending.
MicroConverter is a registered trademark of Analog Devices.
REV. 0
Information furnished by Analog Devices is believed to be accurate and
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may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002
DataSheet4 U .com

                    
                    






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