92
Data pattern: 801 For RTU
Start bit
0
1
2
3
4
5
6
7
Stop bit
8-Data bits Character string
11-bits Characte r box
Odd parity
Data pattern: 8E1 For RTU
Start bit
0
1
2
3
4
5
6
7
Stop bit
8-Data bits Character string
11-bits Characte r box
ever parity
Data format box ASCII mode:
3.Structureofcommunicationdata
STX
Start character = ?(3AH)
Address Hi
Communication address:
Address Lo
8
bit address consists of 2 ASCII codes
Function Hi
Function code:
Function Lo
8 bit function code consists of 2 ASCII codes
DATA(n
-
1)
Data characters:
n x 8- bit data content consists of 2n ASCII codes
DATA
n ^ 16, with the maximum of 32 ASCII codes
LRC CHK Hi
LRC Check:
LRC CHK Lo
8
bit LRC Check consists of 2 ASCII codes
END Hi
End character:
END Lo
END Hi = CR (0DH), END Lo = LF (0AH)
6
Chapter 6 Description of parameter setting
FC100 Series User Manaul