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PM9109BFA Datasheet(PDF) 1 Page - Sames |
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PM9109BFA Datasheet(HTML) 1 Page - Sames |
1 / 18 page sames sames sames sames sames FEATURES ! Performs bidirectional energy meter- ing and includes a 7 digit LCD driver with announciators ! 4 externally selectable on-chip tariff registers ! An additional total energy register ! Meets the accuracy requirements for Class 1 AC Watt hour meters ! Optical interface for electronic reading according to IEC1107 Mode D 1/12 ! Pulse output for calibration ! Total power consumption rating below 600mW ! Uses a shunt resistor for current sens- ing ! Operates over a wide temperature range ! Demonstration software included MONOCHIP SINGLE PHASE BIDIRECTIONAL KILOWATT HOUR METERING MODULE PM9109BFX PDS038-SA9109-001 REV. 3 28-06-00 SA9109B APPLICATION NOTE PM9109BF DESCRIPTION The SAMES monochip single phase bidirectional kilowatt hour metering module, the PM9109BF, provides all the required metering functions including energy measure- ment, a 7 digit LCD driver, a tariff selection facility, an optical port as well as a pulse output for calibration purposes. Energy consumption is determined by the power measurement being integrated over time. This method of calculation takes the power factor into account. This application utilises the SAMES SA9109BFA monochip single phase bidirectional kilowatt hour metering IC for energy measurement. As a safety measure, this application shows the current sensor connected to the neutral line. In practice the live line may be used for current sensing, provided that the supply connections (MAINS) are reversed on the module. |
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