
NOVA541
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▪ Response Format
Factor
ASCII
RTU
Start character
: (colon)
none
Communication address
2 characters
8-bit
Function code – 06
‘06’ 2 characters
8-bit
D-Register Hi
2 characters
8-bit
D-Register Lo
2 characters
8-bit
Write Data Hi
2 characters
8-bit
Write Data Lo
2 characters
8-bit
Error Detection
2 characters
16-bit
End character
2 characters (CR+LF)
none
5-5-1-3 Function code – 08
▪ Function code – 08 is used for self-diagnosis.
▪ Frame Format
Factor
ASCII
RTU
Start character
: (colon)
None
Communication address
2 characters
8-bit
Function code – 08
2 characters
8-bit
Diagnosis code Hi
2 characters
8-bit
Diagnosis code Lo
2 characters
8-bit
Data Hi
2 characters
8-bit
Data 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 – 08
2 characters
8-bit
Diagnosis code Hi
2 characters
8-bit
Diagnosis code Lo
2 characters
8-bit
Data Hi
2 characters
8-bit