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BL0952A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Three-phase Active Energy Meter - BELLING

भाग संख्या BL0952A
समारोह Three-phase Active Energy Meter
मैन्युफैक्चरर्स BELLING 
लोगो BELLING लोगो 
पूर्व दर्शन
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BL0952A pdf
BL0952A/BL6513 Three-phase Active
Energy Meter
PIN FUNCTION DESCRIPTION
Pin No.
1
Mnemonic
CF
Description
High frequency calibration logic output. The output frequency is
proportional to the average active power.
2 DGND This provides the ground reference for the digital circuitry .
3
4
5,6
7,8
9,10
11
12
VDD
REVP
IAP,IAN;
IBP,IBN;
ICP,ICN
AGND
REF
Power supply. This pin provides the supply voltage for the digital
circuitry. The supply voltage should be maintained at 5V ± 5% for
specified operation.
This logic output will go logic high when negative power is detected on
any of the three phase inputs, i.e., when the phase angle between the
voltage and the current signals is greater than 90°.
Analog inputs for current channel. These inputs are fully differential
voltage inputs with maximum differential input signal levels of
±500mV
This pin provides the ground reference for the analog circuitry.
This pin provides access to the on-chip voltage reference. The on-chip
reference has a nominal value of 2.42V ± 8% and a typical temperature
coefficient of 30ppm/°C. An external reference source may also be
connected at this pin.
13,14,
15,16
17
VN,VCP
VBP,VAP
ADDSEL
Analog inputs for the voltage channel. This channel is intended for use
with the voltage VBP, VAP transducer and is referenced as the voltage
channel in this document. These inputs are single-ended voltage inputs
with maximum signal level of ±500mV with respect to VN for
specified operation.
The logic input is used to select the way the three active energies from
the three phases are summed. This offers the designer the capability to
do the arithmetic sum of the three energies (ADDSEL logic High) or
the sum of the absolute value (ADDSEL logic low).
18
19
20
21,22
23,24
SCF
CLKIN
CLKOUT
S0,S1
F1,F2
Select Calibration Frequency. This logic input is used to select the
frequency on the calibration output CF.
Master clock for ADCs and digital signal processing. An external clock
can be provided at this logic input.3.58MHz
A crystal can be connected across this pin and CLKIN as described
above to provide a clock source.
These logic inputs are used to select one of four possible frequencies
for the digital-to-frequency conversion. This offers the designer greater
flexibility when designing the energy meter.
Low Frequency Logic Outputs. F1 and F2 supply average real power
information. The logic outputs can be used to directly drive
electromechanical counters and two-phase stepper motors.
http://www.belling.com.cn
-2-
Total 2 Pages
4/21/2009

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डाउनलोड[ BL0952A Datasheet.PDF ]


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