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PDF SA9605 Datasheet ( Hoja de datos )

Número de pieza SA9605
Descripción THREE PHASE POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT
Fabricantes Sames 
Logotipo Sames Logotipo

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SA9605 Hoja de datos, Descripción, Manual
sames
SA9605A
THREE PHASE POWER/ENERGY METERING
IC WITH INSTANTANEOUS PULSE OUTPUT
FEATURES
n Functionally similar to the SA9105E n Operates over a wide temperature
and SA9105F, with reduced number of
range
external components
n Current transformers for sensing
n Output frequency represents the abso- n Excellent long term stability
lute sum of energy on all three phases n Easily adaptable to different signal
n Performs one, two or three phase power
levels
and energy measurement
n Precision voltage reference on-chip
n
Meets the IEC 521/1036 Specification
requirements for Class 1 AC Watt hour
n
Pin selectable pulse rates
meters
n Supports tamper detection
DESCRIPTION
PIN CONNECTIONS
The SAMES SA9605A is an enhancement
of the SA9105E and SA9105F, as no external
capacitors are needed for the A/D converters.
The SAMES SA9605A Three Phase Power/
Energy metering integrated circuit generates
a pulse rate output, the frequency of which
is proportional to the absolute power con-
sumption. The SA9605A performs the
calculation for active power.
The method of calculation takes the power
factor into account.
Energy consumption is determined by the
power measurement being integrated over
time.
IIP2 1
IIN2 2
IVN3 3
IIP3 4
IIN3 5
VDD 6
FOUT1 7
FOUT2 8
20 IVP2
19 IIN1
18 IIP1
17 IVN1
16 GND
15 VREF
14 VSS
13 PGM1
The output of this innovative universal three
phase power/energy metering integrated
circuit, is ideally suited for applications such
as residential and industrial energy metering
and control.
DIR 9
OSC1 10
DR-01109
12 PGM0
11 OSC2
The SA9605A integrated circuit is available
in both 20-pin dual-in-line plastic (DIP-20),
as well as 20-pin plastic small outline (SOIC-
20) package types.
4452
Package: DIP-20
SOIC-20
PDS039-SA9605A-001 Rev. B
1/14
14-03-97

1 page

SA9605 pdf
SA9605A
1. Power Calculation
In the Application Circuit (Figure 1), the mains voltages from Line 1, Line 2 and Line
3, are converted to currents and applied to the voltage sense inputs IVN1, IVN2 and
IVN3.
The current levels on the voltage sense inputs are derived from the mains voltage
(3 x 230 VAC) being divided down through voltage dividers to 14V. The resulting
input
currents
into
the
A/D
converters
are
14µA
through
the
resistors
R,
15
R
16
and
R.
17
For the current sense inputs the voltage drop across the current transformers
terminating resistors are converted to currents of 16µA for rated conditions, by
means of resistors R8, R9 (Phase 1); R10, R11 (Phase 2); and R12, R13 (Phase 3).
The signals providing the current information are applied to the current sensor
inputs: IIN1, IIP1; IIN2, IIP2; and IIN3, IIP3.
In this configuration, with the mains voltage of 3 x 230 V and rated currents of 80A,
the output frequency of the SA9605A energy metering integrated circuit at FOUT1
is 1.16kHz. In this case 1 pulse will correspond to an energy consumption of 3 x 18.4
kW/1160Hz = 47.6 Ws.
The output frequency at FOUT1 and FOUT2 represents the absolute sum of the
energy measured on all three phases, regardless of the direction of energy flow
through the current sensors. This measurement method will assist meter
manufacturers to circumvent meter tampering by reversal of the phases.
2. Analog Input Configuration
The current and voltage sensor inputs are illustrated below.
These inputs are protected against electrostatic discharge through clamping
diodes, in conjunction with the amplifiers input configuration.
The feedback loops from the outputs of the amplifiers A and A generate virtual
IV
shorts on the signal inputs. Exact duplications of the input currents are generated
for the analog processing circuitry.
sames
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5 Page

SA9605 arduino
Parts List for Application Circuit: Figure 1
Item Symbol Description
1 IC-1 Integrated SA9605A
2 XTAL Crystal, 3.5795 MHz
3 R1 Resistor, 200k, 1%, ¼W
4 R1A Resistor, 180k, 1%, ¼W
5 R2 Resistor, 200k, 1%, ¼W
6 R2A Resistor, 200k, 1%, ¼W
7 R3 Resistor, 200k, 1% , ¼W
8 R3A Resistor, 180k, 1%, ¼W
9 R4 Resistor, 24k, 1%, ¼W
10 R5 Resistor, 22k, 1%, ¼W
11 R6 Resistor, 22k, 1%, ¼W
12 R7 Resistor, 820, 1%, ¼W
13 R8 Resistor
14 R9 Resistor
15 R10 Resistor
16 R11 Resistor
17 R12 Resistor
18 R13 Resistor
19 R14 Resistor, 22k, 1%, ¼W
20 R15 Resistor, 1M, 1%, ¼W
21 R16 Resistor, 1M, 1%, ¼W
22 R17 Resistor, 1M, 1%, ¼W
23 R18 Resistor
24 R19 Resistor
25 R20 Resistor
26 R21 Resistor, 820, 1%, ¼W
27 P5 Potentiometer, 4.7k
28 P6 Potentiometer, 4.7k
29 P14 Potentiometer, 4.7k
30 C1 Capacitor, electrolytic, 1µF, 6V
31 C2 Capacitor, electrolytic, 1µF, 6V
32 C3 Capacitor, electrolytic, 1µF, 6V
33 C12 Capacitor, 820nF
34 C13 Capacitor, 100nF
35 C14 Capacitor, 100nF
sames
SA9605A
Detail
DIP-20, SOIC-20
Colour burst TV
Note 1
Note 1
Note 1
Note 1
Note 1
Note 1
Note 1
Note 1
Note 1
Multi turn
Multi turn
Multi turn
Note 2
Note 2
Note 2
Note 3
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