Query
:
Device Address
Function Code
Start Address High
Start Address Low
Number of Registers Hi
Number of Registers Lo
CRC Low
CRC High
01 (Hex)
04 (Hex)
02 (Hex)
00 (Hex)
00 (Hex)
04 (Hex) **
F0 (Hex)
71 (Hex)
Start Address High : Most significant 8 bits of
User assignable register.
starting address of
Start Address low :Least significant 8 bits of starting address of User assignable register.
Number of register Hi : Most significant 8 bits of Number of registers requested.
Number of register Lo : Least significant 8 bits of Number of registers requested.
**Note : Two consecutive 16 bit register represent one parameter.
Since two parameters are requested four registers are required
Response : (Voltage = 219.30 / Power Factor = 1.0)
01 (Hex)
04 (Hex)
Device Address
Function Code
08 (Hex)
43 (Hex)
5B (Hex)
4E (Hex)
Byte count
}
Voltage Data
Data Register-1 Low Byte
Data Register-2 High Byte
Data Register-1High Byte
04 (Hex)
Data Register-2 Low Byte
59
Summary of Contents for mfm 3480
Page 2: ......
