Rishabh RISH CON - I, Руководство по эксплуатации

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Start Address High : Most significant 8 bits of starting
address of the parameter requested.
Start Address low : Least significant 8 bits of starting
address of the parameter requested.
Number of register Hi: Most significant 8 bits of
Number of registers requested.
Number of register Lo : L e a s t s i g n i f i c a n t 8 b i t s o f
Number of registers requested.
(Note : Two consecutive 16 bit register represent one parameter.)
Table 3 : 4 X register addresses
Device Address
Function Code
Start Address High
Start Address Low
Number of Registers Hi
Number of Registers Lo
CRC Low
CRC High 01 (Hex)
10 (Hex)
00 (Hex)
0E (Hex)
00 (Hex)
02 (Hex)
20 (Hex)
0B (Hex)
Response
45
Data register 2 Low Byte : Least significant 8 bits of Data
register
2 of the parameter requested.
(Note: Two consecutive 16 bit register represent one parameter.)
Modbus Start Address Hex
Parameter
No.
1
3
2
Address
(Register)
40001
40003
40005
Parameter
-
-
Mode selection
Read /
Write
-
R/Wp
-
-
00
-
High Byte
-
02
-
Low Byte