MCF51EM256_2

Freescale Semiconductor Reference Design Data Sheet MCF51EM256220RDDS Rev. 0, 10/2009 MCF51EM256-based Poly Phase Energy Meter Reference Design 220V Technical Specifications Electrical Connection type Wiring configuration Voltage rating Current range Accuracy Frequency range Pulse constant Direct connected (Whole current) 3 phase 4 wire & 1 phase 2 wire 230V +/-10% (L-N) 10-60 A Class 0.5 47Hz to 53Hz 800 impulses/kWh & 800 impulses/kVArh IEC 62053-11, IEC 62053-22, IEC 62053-23 & IEC62056-21 Standard compliance Mechanical Dimensions (WxHxD) Weight Enclosure Sealing 168 x 242 x 84 mm 1.675 kg Plastic (PC/ABS blends) Sealing screws provision © Freescale Semiconductor, Inc., 2009. All rights reserved.   Environmental Compliance Ingress protection Operating Temperature Storage Temperature Humidity IEC 60529 IP 51 (Indoor type meter) -25˚C to +55˚C -25˚C to +70˚C 95% Features Measurement parameters Tamper Recording Voltage, Current, Frequency kWh, kVArh, kW, kVAr, Power factor Missing potential and current, current and voltage unbalance, cover open tamper detection. LED indication for tamper Load profile interval period: 5, 10, 15, 30, 60 minutes and 1 day. Programmable MD interval period of 30 minutes and 60 minutes MD can be reset by using Reset key Display Custom built metering specific LCD with backlight. Eight digits 7 segment display for parameters with symbol identifiers. Auto scroll Manual scroll using UP and DOWN keys Communication Optical port as per standard IEC 62056-22 RS 232 port and BDM port for programming Data security Data storage in non-volatile memory; two levels of password for programming configuration and for auto calibration LED pulses proportional to kWh, kVArh LED for Power on indication Load profile Maximum demand Output device MCF51EM256-based Poly Phase Energy Meter Reference Design 220V Technical Specification, Rev. 0 2 Freescale Semiconductor How to Reach Us:    Home Page:  www.freescale.com    Web Support:  http://www.freescale.com/support    USA/Europe or Locations Not Listed:  Freescale Semiconductor, Inc. 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All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. All rights reserved. MCF51EM256220RDDS Rev. 0     10/2009