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26.5.2. Response syntax
Response can include parameters or not and additionally can signalize errors.
After receiving an appropriate command scales response immediately with:
Immediate response
Acknowledge of receiving a command
Accepting of a received command
Not accepting of a received command
Overall format:
ID _ STATUS CR LF - example of a command without a parameter
ID _ STATUS _ PARAMETER CR LF - example of a command with a
parameter
E S CR LF - error detected or not listed command
where:
• ID – command 1-4 characters
• _ - space (ASCII 32 dec)
• STATUS – one character that outlines the response status or a status
of the scale.
Different possibilities:
A – in case of commands that cannot be completed immediately -
command accepted
I – correct command but cannot be executed at that moment
D – in case of commands that cannot be completed immediately -
command completed
E – error of execution of a command e.g. incorrect parameter value.
Additionally when the parameter is a weighings result, STATUS can
be:
_ - (space ASCII 32 dec) stable result
? – non-stable result
^ - error – result over the range
v – error – result below the range
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