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參數資料
| 型號： | ADSST-EM-2030 |
| 英文描述： | ADSST-EM-2030: Three-Phase Energy Meter Chipset Data Sheet (Rev. 0. 11/02) |
| 中文描述： | ADSST -電磁- 2030：三相電能表芯片數據手冊（版本0。11/02） |
| 文件頁數： | 1/20頁 |
| 文件大小： | 226K |
| 代理商： | ADSST-EM-2030 |
REV. 0
a
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
Tel: 781/329-4700
Fax: 781/326-8703
Analog Devices, Inc., 2002Three-Phase Energy
Meter Chipset
ADSST-EM-2030
*
*
Protected by U.S.Patent No. 5,969,657; other patents pending.
MicroConverter is a registered trademark of Analog Devices.
FUNCTIONAL BLOCK DIAGRAM
E-PULSE
ADSST-EM-2030
μCONTROLLER
OPTICAL PORT
OP AMP + MUX
COUNTER
LCD DISPLAY
RTC
PT
PT
PT
CT
CT
CT
POLY PHASE ENERGY METER USING THE 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)
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.
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相關代理商/技術參數 |
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| ADSST-EM-2041 | 制造商:Analog Devices 功能描述:CHIPSET:ADSST-7025BCPZ62 |
| ADSST-EM-3035 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SALEM Three-Phase Electronic Energy Meter |
| ADSST-EM-3035K | 制造商:AD 制造商全稱:Analog Devices 功能描述:SALEM Three-Phase Electronic Energy Meter |
| ADSST-ENC-2015 |
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