Byte Count : Total number of data bytes received.
Data register 1 High Byte : Most significant 8 bits of Data register
1 of the parameter requested.
Data register 1 Low Byte : Least significant 8 bits of Data register
1 of the parameter requested.
Data register 2 High Byte : Most significant 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 significant 8 bits of Data register
2 of the parameter requested.
Device
Address
Function
Code
Byte
Count
Data Register1
High Byte
01 (Hex) 04 (Hex) 04 (Hex)
45 (Hex)
87 (Hex)
68 (Hex)
B5 (Hex)
Data Register1
Low Byte
Data Register2
High Byte
Data Register2
Low Byte
CRC
High
D6 (Hex)
B0 (Hex)
CRC
Low
Table 2 : 3 X register addresses (measured parameters)
51
Address
(Register)
Parameter
No.
Parameter
Modbus start address
Hex
High Byte Low Byte
For Active power
300 3
5
For Apparent power
30057
For Reactive power
30061
For Power factor
30063
For Phase angle
30067
Active power sum
27
0
34
31
29
32
34
0
38
0
0
0
42
3E
3C
Apparent power sum
Reactive power sum
Power factor average
Phase angle average
Summary of Contents for Theta 30P
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