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參數資料
| 型號： | SA9607P |
| 廠商： | SAMES |
| 元件分類： | 電能質量分析儀 |
| 英文描述： | Programmable Single Phase Energy Metering IC with Tamper Detection |
| 中文描述： | 可編程單相電能計量IC篡改檢測 |
| 文件頁數： | 7/12頁 |
| 文件大?。?/td> | 127K |
| 代理商： | SA9607P |
PARAMETER DESCRIPTION
Refer to the EEPROM memory allocation map as well as the
Signal flow diagram figure 6, for a description of the registers
used in this section.
EEPROM Memory Allocation
The following table shows the EEPROM memory allocation
as well as the corresponding name. The uneven byte always
contains a XORed byte of the previous even byte. This is the
checksum byte used by the SA9607P to ensure data integrity.
Channel Balance (KC)
Kc defines the dividing factor, which is applied to the incoming
pulse rate. This value is typically 511. This factor is used for
calibration meter and gain balancing of the 2 current channels.
The value for Kc is usually between 400 and 640.
Kc is made up of 2 bytes, D12 and D14 or D16 or D18 which
forms a 10 bit value.
KEY: (- = DON'T CARE); (V = VALUE/PARAMETER); (0,1 = LOGICAL VALUE); (X = BIT-XOR)
Rated Condition (KR)
Kr is used to program the rated condition of the meter. This
feature is required for a correct counter increment of meters
designed for different rated conditions using the same
integrated circuit. Rated conditions from less than 10A to
several 100A are possible.
The channel balance values should be used to compensate
for rounding errors in Kr. Kr is calculated as follows:
Kr =(1252 x 1000 x 3600)/(Rated volt x Rated current x 6400)-1
Kr is made up of 1 byte (D20)
Description
Channel 1 Balance LSB
E
2
Address
12
13
14
15
16
17
18
19
20
21
22
23
24
24
25
26
26
27
Contents
Kc1
XOR of ADDR 12
Kc1
XOR of ADDR 14
Kc2
XOR of ADDR 16
Kc2
XOR of ADDR 18
Kr
XOR of ADDR 22
Cled
XOR of ADDR 22
Cpw
Cres
XOR of ADDR 24
Ne
Cs
XOR of ADDR 24
Bit [7:0]
Name
D12
vvvvvvvv
xxxxxxxx
Channel 1 Balance MSB
------vv
D14
xxxxxxxx
Channel 2 Balance LSB
vvvvvvvv
xxxxxxxx
D16
Channel 2 Balance MSB
------vv
D18
xxxxxxxx
Rated Condition
vvvvvvvv
D20
xxxxxxxx
Led Pulse-rate
------vv
D22
xxxxxxxx
Counter Pulse-width
Counter Resolution
0v------
D24
------vv
1xxxxxxx
Earth leak Compensation
Channel Select Mode
------vv
D26
----vv--
xxxxxxxx
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