DESCRIPTION

The SAMES monochip single phase bidirectional kilowatt hour metering module, the PM9109BF, provides all the required metering functions including energy measurement, a 7 digit LCD driver, a tariff selection facility, an optical port as well as a pulse output for calibration purposes.

FEATURES

■ Performs bidirectional energy metering 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

■ Pulse output for calibration

■ Total power consumption rating below 600mW

■ Uses a shunt resistor for current sensing

■ Operates over a wide temperature range

■ Demonstration software included