SANCH S3000 Series, User Manual

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The RTU Mode:
Inquiry message: Response message:
Address 01H Address 01H
Function 03H Function 03H
21H Starting data
address
02H
Number of data
(count by byte)
04H
00H 17H Number of data
(count by word) 02H
Content of data
address 8102H 70H
CRC CHK Low 6FH 00H
CRC CHK High F7H
Content of data
address 8103H
00H
CRC CHK Low FEH
CRC CHK High 5CH
3.3.2 Function Code 06H: write a WORD into the register.
e.g.: aim at address 01H of the drive, and write 6000 (1770H) into the interior of
the drive to set the parameter 0100H.
The ASCII Mode:
Inquiry message: Response message:
STX ‘:’ STX ‘:’
Address ‘0’ Address ‘0’
‘1’ ‘1’
Function ‘0’ Function ‘0’
‘6’ ‘6’
Data address ‘0’ Data address ‘0’
‘1’ ‘1’
‘0’ ‘0’
‘0’ ‘0’
Data content ‘1’ Data content ‘1’
‘7’ ‘7’
‘7’ ‘7’
‘0’ ‘0’
LRC Check ‘7’ LRC Check ‘7’
‘1’ ‘1’
END CR END CR
LF LF