SMC Networks HRL100-A, Руководство по эксплуатации

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HRX-OM-W069
Chapter 3 Serial communication
3.11 Explanation of function codes HRL Series
3-14
3.11.2 Function code
：
06 Writing registers
Write data to assigned address.
■
Communication example
○
Slave Address : No.1
○
Write data to register 0042Ch
(The mode request indication)
Request message 010600420002
Field name
Example
(HEX)
ASCII mode
character data
RTU mode
binary data
Header -
“
:
”
None
Slave Address
0x01
“0”,“1”
0x01
Function 0x06
“0”,“6”
0x06
Head address of specified
register
0x0042
“0”,“0”,“4”,“2”
0x00,0x42
Information written to 0042h
(Mode request)
0x0002
“0”,“0”,“0”,“2”
0x00,0x02
Checksum ASCII:LRC RTU:CRC -
“B”,”5”
0xA8,0x1F
Trailer - CR/LF None
-
Total
quantity of byte
17 8
Response message 010600420002
Field name
Example
(HEX)
ASCII mode
character data
RTU mode
binary data
Header -
“
:
”
None
Slave Address
0x01
“0”,“1”
0x01
Function
0x06
“0”,“6”
0x06
Address of register to write 0x0042
“0”, “0”,“4”,“2”
0x00,0x42
Information of register to write 0x0002
“0”,“0”,“0”,“2”
0x00,0x02
Checksum ASCII:LRC RTU:CRC -
“B”,“5”
0xA8,0x1F
Trailer - CR/LF None
Total
quantity of byte
17 8