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DESCRIPTION
ENGLISH
STANDARD Communication Protocol
3.4.1 Response Sequence
When the instrument, with the corresponding Serial Number or Logical Number, received a write
command, it replies with the following message.
<STX>E000<ETX>($74)
[begin block character]
[data block]
[end block character]
[check character]
[begin block character]
It is always <STX> ($02) character.
[data block]
It is made up of E ($45) character followed by 3 numerical characters which indicate the code
relative to the error. The E000 code specifi es that the operation has been completed correctly.
[end block character]
It is always <ETX> ($03) character.
[check character]
It is a single character resulting from EXCLUSIVE OR (XOR) of all of the characters from <STX>
up to and including <ETX>, used to check the transmitted data.
3.5 Check Characters
The used check characters are the following:
<STX> Start of text ($02)
Start of text character. Preceeds the data in all frames.
<ETX> End of text ($03)
End block character.
<BCC> Block check character
It is represented by 2 digit number, obtained by the operation of EXCLUSIVE OR (XOR) carried
out on the transmitted data, as shown in the preceeding examples.