
NOVA541
- 90 -
Data Lo
2 characters
8-bit
Error Detection
2 characters
16-bit
End character
2 characters (CR+LF)
None
※ 진단코드와 내용
Code
Description
:
Loop-Back Test : Received Frame Return
5-5-1-4 Function code – 16
▪ To write data to successive D-Register block up to 16 registers
▪ Frame Format
Factor
ASCII
RTU
Start character
: (colon)
None
Communication address
2 characters
8-bit
Function code – 16
‘10’ 2 characters
8-bit
D-Register Hi
2 characters
8-bit
D-Register Lo
2 characters
8-bit
Number of reg. Hi
2 characters
8-bit
Number of reg. Lo
2 characters
8-bit
Data Bytes
2 characters
8-bit
Data-1 Hi
2 characters
8-bit
Data-1 Lo
2 characters
8-bit
…
…
…
Data-n Hi
2 characters
8-bit
Data-n Lo
2 characters
8-bit
Error Detection
2 characters
16-bit
End character
2 characters (CR+LF)
None
▪ Response Format
Factor
ASCII
RTU
Start character
: (colon)
None
Communication address
2 characters
8-bit
Function code – 16
2 characters
8-bit
D-Register Hi
2 characters
8-bit
D-Register Lo
2 characters
8-bit