Rishabh Instruments RISH Master 3430i, Руководство по эксплуатации

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Number of register Hi : Most signicant 8 bits of Number of registers requested.
Number of register Lo : Least signicant 8 bits of Number of registers requested.
(Note : Two consecutive 16 bit register represent one parameter.
)
Response: Volt3 (219.25V)
Device
Address Function
Code
Byte
Count
Data Register1
High Byte
01 (Hex) 04 (Hex) 04 (Hex)
43 (Hex) 5B (Hex)
41 (Hex) 21 (Hex) 6F (Hex)
Data Register1
Low Byte
Data Register2
High Byte
Data Register2
Low Byte
CRC
Low CRC
High
9B (Hex)
Byte Count : Total number of data bytes received.
Data register 1 High Byte : Most signicant 8 bits of Data register 1 of the parameter requested.
Data register 1 Low Byte : Least signicant 8 bits of Data register 1 of the parameter requested.
Data register 2 High Byte : Most signicant 8 bits of Data register 2 of the parameter requested.
(Note : Two consecutive 16 bit register represent one parameter.
)
Data register 2 Low Byte : Least signicant 8 bits of Data register 2 of the parameter requested.
Table 4 : 3 X register addresses (measured parameters)
3P 4W 3P 3W 3P 4W 3P 3W







 
 
 
 
 

1P 2W



Parameter
Volts 1
Volts 2
Volts 3
Current 1
Current 2
Current 3
W1
Modbus Start Address Hex
High Byte
Low Byte
High Byte High Byte
00
0
00
2
00
4
00
6
00
8
00
A
00
C
Address
(Register)
Sr.
No.
30001
1
30003
2
30005
3
30007
4
30009
5
30011
6
30013
7
32