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計測機器 Hiking DDS238-4 WのPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Hiking DDS238-4 W 15 ページ。
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Send frame
Meter ID
Function
code
1byte
1byte
Receive frame
Meter ID
Function
code
1byte
1byte
9.2 Write command（function code 10）
Send frame
Meter ID
Function code
1byte
1byte
Receive frame
Meter ID
Function
code
1byte
1byte
9.3 Energy meter register address
Register
Data number
address
0x0000
2
0x0001
0x0008
2
0x0009
0x000A
2
0x000B
0x000C
1
0x000D
1
0x000E
1
0x000F
1
0x0010
1
0x0011
1
0x0015
1
Note 1: one register address is store 2 byte data ,so the data length read as 4 byte when data
number is 2 .
Note 2:：you can use ID ID(0x00) to broadcast and got data when you do not know the meter ID.
Register address
2byte
Data length n
1byte
Register address
Data number
2byte
2byte
Register address
2byte
Data item
Total kWh
Export kWh
Import kWh
Voltage
Current
Active power
Reactive power
Power factor
frequency
ID + baud rate
Data number
Check code
(CRC)
2byte
2byte
Data area
Check code
(CRC)
n byte
2byte
Data length n
1byte
Data number
Check code
(CRC)
2byte
2byte
Data format
Data unit
XXXXXX．XX
kWh
XXXXXX．XX
kWh
XXXXXX．XX
kWh
XXX．X
V
XX．XX
A
XXX．XXX
kW
XXX．XXX
kvar
X．XXX
XX．XX
Hz
First byte is ID 号 ， the second byte is
baud rate ， 01~04 is means Respectively
9600、4800、2400、1200
Data area
Check code
(CRC)
n byte
2byte