SANCH S3000 Series, User Manual, Page: 115 / 139

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3.3 Function Code and Data Contents
03H: read the contents of the register
06H: write one WORD into the register
3.3.1 Function Code 03H: read the contents of the register.
e.g.: When the address of the drive is set as 01H, read 2 data contents that exist
successively within the register, as shown follows: the address of the start
register is 2102H.
The ASCII Mode:
Inquiry message: Response message:
STX ‘ ’ STX ‘ ’
‘0’ ‘0’ Address
‘1’
Address
‘1’
‘0’ ‘0’ Function
‘3’
Function
‘3’
‘2’ ‘0’
‘1’
Number of data
(count by byte)
‘4’
‘0’ ‘1’
Starting address
‘2’ ‘7’
‘0’ ‘7’
‘0’
Content of
starting address
2102H
‘0’
‘0’ ‘0’
Number of data
(count by word)
‘2’ ‘0’
‘D’ ‘0’ LRC Check
‘7’
Content of
address 2103H
‘0’
CR ‘7’ END
LF
LRC Check
‘1’
CR END
LF
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