Datasheet
90E32AS ENHANCED POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Register 68 April 2, 2013
5.6 MEASUREMENT REGISTERS
5.6.1 POWER AND POWER FACTOR REGISTERS
5.6.2 FUNDAMENTAL/ HARMONIC POWER AND VOLTAGE/
CURRENT RMS REGISTERS
Table-13 Power and Power Factor Register
Register
Address Register Name
Read/Write
Type Functional Description Comment
B0H PmeanT R Total (All-phase-sum) Active Power
Complement,
Power=32-bit register value* 0.00032 W
B1H PmeanA R Phase A Active Power
B2H PmeanB R Phase B Active Power
B3H PmeanC R Phase C Active Power
B4H QmeanT R Total (All-phase-sum) Reactive Power
Complement,
Power=32-bit register value* 0.00032 var
B5H QmeanA R Phase A Reactive Power
B6H QmeanB R Phase B Reactive Power
B7H QmeanC R Phase C Reactive Power
B8H SAmeanT R Total (Arithmetic Sum) Apparent Power
Complement,
Power=32-bit register value* 0.00032 VA
B9H SmeanA R Phase A Apparent Power
BAH SmeanB R Phase B Apparent Power
BBH SmeanC R Phase C Apparent Power
BCH PFmeanT R Total Power Factor
Signed with complement format,
X.XXX
LSB is 0.001. Range from -1000 to +1000
BDH PFmeanA R Phase A Power Factor
BEH PFmeanB R Phase B Power Factor
BFH PFmeanC R Phase C Power Factor
C0H PmeanTLSB R
Lower Word of Total (All-phase-sum) Active
Power
Lower word of Active Powers.
C1H PmeanALSB R Lower Word of Phase A Active Power
Lower word of Active Powers.C2H PmeanBLSB R Lower Word of Phase B Active Power
C3H PmeanCLSB R Lower Word of Phase C Active Power
C4H QmeanTLSB R
Lower Word of Total (All-phase-sum) Reactive
Power
Lower word of ReActive Powers.
C5H QmeanALSB R Lower Word of Phase A Reactive Power
Lower word of ReActive Powers.C6H QmeanBLSB R Lower Word of Phase B Reactive Power
C7H QmeanCLSB R Lower Word of Phase C Reactive Power
C8H SAmeanTLSB R
Lower Word of Total (Arithmetic Sum) Appar-
ent Power
Lower word of Apparent Powers.
C9H SmeanALSB R Lower Word of Phase A Apparent Power
Lower word of Apparent Powers.CAH SmeanBLSB R Lower Word of Phase B Apparent Power
CBH SmeanCLSB R Lower Word of Phase C Apparent Power
Note: The power regisiters are all of 32-bit. The C0H~CBH registers are the lower words of the B0H~BFH registers.
Table-14 Fundamental/ Harmonic Power and Voltage/ Current RMS Registers
Register
Address Register Name
Read/Write
Type Functional Description Comment
D0H PmeanTF R Total Active Fundamental Power
Complement,
Power=32-bit register value* 0.00032 W