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FXXC

PL3223 Datasheet Preview

PL3223 Datasheet

Multi-Function 3-Phase Electrical Energy Meters

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FXXC®
Function Feature
IC FOR MULTI-FUNCTION THREE-PHASE
ELECTRIC AL ENERGY METERS
PL3223
voltage detecting, it has interrupt output.
It is compatible with both three-phase
three-wire and three-phase four-wire.
Current channel embeds Programmable
Gain Amplifier (PGA).
High accuracy electrical energy
measurement. It matches IEC678/6103
GB/T 1721 and IEC1268 GB/T 17882.
Support digital phase correction and
linear compensation of small current
segment
The error of active electrical energy
measurement is less than 0.1% in the
dynamic area 1000:1.
Built-in digital temperature sensor,
support segment compensation of
temperature
The error of reactive electrical energy
measurement is less than 0.2% in the
dynamic area 1000:1.
Constant of electrical energy meter and
starting current can be calibrated by
digit.
It can accurately measure the reactive
electrical energy of up to 21st harmonic.
SPI interface, which facilitate control of
external microprocessor.
Active/reactive calibration meter pulse
output
AD waveform data of real time voltage
and current of all phases
Measuring instantaneous active/reactive,
line voltage frequency and RMS value of
voltage/current.
Temperature standard of industry class,
QFP44 pin packaging.
Simultaneously supply split phase and
mergence phase active/reactive and
symbolic indication
It can select energy accumulation mode
of merge nce phase (algebra
msummation/absolute value summation)
u.coTwo stepping motor drive output, which
t4can simultaneously output
eactive/reactive power
www.datasheLose of phase/ under-voltage/ over
Description of the functions
PL3223 is a high accuracy, multifunctional
three-phase electrical energy measurement
chip, which support SPI interface and power
pulse output, and has self-defining frequency
division ratio wheel-drive pulse output. PL3223
integrates second-order - ADC, which refer
to voltage source, temperature sensor, power
source detecting, all active/reactive electrical
energy measurement and voltage/current
RMS value, and digital signal processing
module measured by line voltage frequency.
-1-




FXXC

PL3223 Datasheet Preview

PL3223 Datasheet

Multi-Function 3-Phase Electrical Energy Meters

No Preview Available !

PL3223
Pl3223 supports active and reactive
measurement in different electrical networks,
such as three-phase three-wire system,
three-phase four-wire system. Furthermore, it
is compatible with frequency of different
electrical networks. It can realize high
accuracy measurement of power in the
electrical networks of 50Hz standard and 60Hz
standard frequency.
PL3223 not only supplies real time information
of active power and reactive power through
pulse output pin PCF and QCF, but also
provides RMS value of voltage and current,
and measurement function of line voltage
frequency. (read by built-in registers
VRMS(34 37H) and IRMS(38 3BH)) User
can obtain apparent power through calculating
RMS value of voltage and current.
PL3223 embeds eight 8-bit counters of
three-phase/mergence-phase active/reactive
power pulse, which is used to assist the pulse
count of external MCU. As a result, the
problem of losing pulse-count can be
completely solved.
PL3223 supports resistance network collation
of self-defining frequency division. Meanwhile,
it supplies full digital correcting function.
PL3223 supplies 13 correcting registers to
calibrate output threshold of active power,
output threshold of reactive power,
three-phase
active/reactive
gain
compensation, and three-phase phase
compensation. PL3223 can combine with
monolithic computer to fulfill effective precise
calibration.
PL3223 supports over voltage of line voltage,
under-voltage detecting function, and shooting
interrupt signal as caution when voltage
happens abnormity. Through over
voltage/under-voltage peak value register and
under-voltage half period number register,
user can set up the conditions producing early
warning signal by self-definition method.
PL3223 conducts data communication with
external CPU through SPI interface. Interrupt
signal of PL3223 is a logical output signal
which low level is effective. When one phase
or more phases appear over
voltage/under-voltage abnormity situation,
PL3223 shoots interrupt signal. Through
reading voltage monitoring register FLAG
(29H), CPU can judge what phase appear
abnormity situation and what abnormity
situation is happening. Meanwhile, it can also
obtain the range of duration of voltage
abnormity by real time monitoring FLAG.
PL3223 can read real time waveform of
three-phase voltage and current through SPI
interface so that user can easily analyze
harmonic;
PL3223 needs to link 9.6M external crystal
oscillator or clock input;
PL3223 supplies 44-lead QFP packaging.
2


Part Number PL3223
Description Multi-Function 3-Phase Electrical Energy Meters
Maker FXXC
Total Page 30 Pages
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