Datasheet

71M6533/G/H and 71M6534/H Data Sheet FDS_6533_6534_004
102 Rev 2
Table 62: Other Transfer Variables
CE
Address
Name Description
0x82
FREQ_X
Fundamental frequency: LSB
6
32
10587.0
2
−
⋅≈≡
S
F
Hz
0x97
PH_AtoB_X
Voltage phase lag. The selection of the reference phase is based
on FREQSEL1 and FREQSEL0 in the CECONFIG register:
If FREQSEL1/FREQSEL0 select phase A: Phase lag from A to B.
If FREQSEL1/FREQSEL0 select phase B: Phase lag from B to C.
If FREQSEL1/FREQSEL0 select phase C: Phase lag from C to A.
The angle in degrees is (0 to 360): PH_AtoB_X * 360/N
ACC
+ 2.4
0x98
PH_AtoC_X
If FREQSEL1/FREQSEL0 select phase A: Phase lag from A to C.
If FREQSEL1/FREQSEL0 select phase B: Phase lag from B to A.
If FREQSEL1/FREQSEL0 select phase C: Phase lag from C to B.
Angle in degrees is (0 to 360): PH_AtoC_X * 360/N
ACC
+ 4.8
0x83
MAINEDGE_X
The number of edge crossings of the selected voltage in the
previous accumulation interval. Edge crossings are either
direction and are debounced.
0x84
VBAT_SUM_X
The output of the battery measurement. This value is
equivalent to twice the measured ADC value.
5.3.9 Temperature Measurement and Temperature Compensation
Table 63 describes the CE registers supporting temperature measurement and temperature compensation.
Table 63: CE Temperature Registers
CE
Address
Name Default Description
0x81
TEMP_RAW
N/A
The filtered, unscaled reading from the temperature sensor.
0x9D
TEMP_X
N/A
This register contains the difference between the die temperature
and the reference/calibration temperature as established in the
TEMP_NOM
register, measured in 0.1°C.
0x39
DEGSCALE
21755
Scale factor for the temperature calculation. It is not necessary
to use values other than the default value.
0x1F
TEMP_NOM
0
This register holds the reference or calibration temperature
vale. At calibration time, the value read in TEMP_RAW must be
written to
TEMP_NOM.
0x3A
PPMC
0
Linear temperature correction factor.
0x3B
PPMC2
0
Quadratic temperature correction factor.
5.3.10 Pulse Generation
Table 64 describes the CE pulse generation parameters.
The combination of the PULSE_SLOW and PULSE_FAST parameters (see Table 58) controls the speed of
the pulse rate. The default values of 0 and 0 will maintain the original pulse rate given by the Kh equation.
WRATE controls the number of pulses that are generated per measured Wh and VARh quantities. The
lower WRATE is, the slower the pulse rate for measured energy quantity. The metering constant Kh is
derived from WRATE as the amount of energy measured for each pulse. That is, if Kh = 1Wh/pulse, a
power applied to the meter of 120 V and 30 A results in one pulse per second. If the load is 240 V at
150 A, ten pulses per second will be generated.