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參數(shù)資料
| 型號： | SA9607M |
| 廠商： | SAMES |
| 元件分類： | 電能質(zhì)量分析儀 |
| 英文描述： | Single Phase Power/Energy Metering IC with Tamper Detection |
| 中文描述： | 單相功率/電能計量IC篡改檢測 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 98K |
| 代理商： | SA9607M |
INPUT SIGNALS
VREF
The VREF pin is the reference for the bias resistor and is the
recommended point for calibration. With a bias resistor of
24k
optimum conditions are set. It may be varied within
±10% for calibration purposes. Any changes to the bias
resistor will affect the output pulse rate quadratically (i.e.
= +5%,
f=10%).
R
Motor pulse rate select (MP1 and MP0)
The pulse rate of the motor driver ouput of the SA9607M is
selected by the inputs MP1 and MP0. Three pulse rate options
are available as shown in the following table:
Pulse rate selection
OUTPUT SIGNALS
Motor output (MOP, MON)
The MON pulse will follow the MOP pulse within 142ms. This
prevents that the motor armature is in the wrong position after
a power failure. Both MOP and MON outputs are active high.
The motor drive wave forms are shown below:
LED output (LED)
The LED output pulse at a fixed rate of 6400 pulses per kWh.
The LED output is active low. The LED waveform is shown
below:
Please note that the device will not perform metering functions
as described in this document while in test mode.
Rated condition select (RATED)
The rated condition select pin gives the option of having a
3:2:1 scaling ratio of the rated current easily available. This
feature is particularly useful in circumstances where a
manufacturer requires a meter for use in a system rated for
two different conditions, for example 230V/60A and 230V/
40A. With the rated condition select the SA9607M allows for
the development of different rated meters requiring minimal
changes. The following table below lists the options available
(assuming the rated condition to be 230V/60A).
Rated condition select (RATED)
Motor drive
output
selection
Unit
MP1
MP0
V
SS
V
SS
V
DD
V
DD
V
SS
V
DD
V
SS
V
DD
1
10
100
Device test
mode
pulses/kWh
pulses/kWh
pulses/kWh
Pulse Rate Selection
Input
Signal Input RATED
V
SS
OPEN
V
DD
Rated Conditions
230V / 20A
230V / 40A
230V / 60A
Figure 5: Motor drive waveform
t
m
= 142ms
VDD
VDD
VSS
VSS
MON
MOP
t
m
t
m
t
m
D R -01 559
Figure 4: LED pulse output
t
LED
= 10ms
VDD
VSS
LED
t
LED
DR-01332
Selected input indication (SEL1)
The SA9607M continuously compares the power consumptions
on current channel 1 inputs and current channel 2 inputs. The
larger of the two measurements are used for metering. The
SEL1 output pin indicates which channel is currently being
used for the pulse output.
Signal
Output
Description
0
1
Channel 1selected (IIN1/IIP1)
Channel 2selected (IIN2/IIP2)
SEL1
Value
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