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參數(shù)資料
| 型號(hào)： | SA9109B |
| 廠商： | SAMES |
| 元件分類： | 電能質(zhì)量分析儀 |
| 英文描述： | MONOCHIP SINGLE PHASE BIDIRECTIONAL KILOWATT HOUR METERING IC |
| 中文描述： | MONOCHIP單相雙向千瓦小時(shí)計(jì)量IC |
| 文件頁(yè)數(shù)： | 13/18頁(yè) |
| 文件大?。?/td> | 183K |
| 代理商： | SA9109B |
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SA9109B
sames
13/18
5.
Tariff Registers
A multiple tariff facility is provided on-chip by means of 4 tariff registers, which are
externally selectable via the SR[0] and SR[1] inputs. The registers may be selected
by programming the SR[0] and SR[1] inputs as follows:
SR[1]
0
0
1
1
SR[0]
0
1
0
1
Register
Register 1
Register 2
Register 3
Register 4
The 4 Tariff registers and Total register may be sequentially displayed by activating
the Push Button (PB). The minimum push button make time is 5ms. The contents
of the register selected for display is retained on the display for a period of 10
seconds, provided that the push button is not activated during this period. After the
10 seconds has elapsed, the display defaults to the "active" register defined by the
status of the SR[0] and SR[1] inputs.
The register selected for display via the push button (PB) is indicated by the
relevant announciators.
Optical Interface
The SA9109B device contains an interface for automatic meter reading, according
to the IEC1107 Mode D standard. The IEC1107 Mode D is a single baud rate of
2400. For the optical interface protocol, the 4-bit words are converted to 8-bit words
(ASCII-format).
After initiation of a serial transmission by pulling PB (pin 34) low, the data format
transmitted on SDO is given below:
6.
Code
Description
/
XXX
3
YYYYYYYY
<cr><lf><cr><lf>
0(nnnnnnnn)
1(nnnnnnnn)
2(nnnnnnnn)
3(nnnnnnnn)
4(nnnnnnnn)
!<cr><lf><cr><lf>
Start transmission
ID
Baud rate identification
ID
Data header
Data of Reg. 1 (sign, 10e
5
, 10e
4
...10e
0
, 10e
-1
)
Data of Reg. 2
Data of Reg. 3
Data of Reg. 4
Data of Reg. 'Total' = Sum of registers 0 to 3
End transmission
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| SA9109BFA | 制造商:SAMES 制造商全稱:SAMES 功能描述:MONOCHIP SINGLE PHASE BIDIRECTIONAL KILOWATT HOUR METERING IC |
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