Model 6712 Point-of-Sale Interface Scale User’s Manual
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Factory default settings: 9600 baud, 8 data bits,
no parity, 1 stop bit. Protocol is NCI standard
only.
Standard 9-pin pass through RS-232 interface
cable included. Not a null modem.
Symbol Key:
<ETX>
End of Text Character (03 hex)
<LF>
Line Feed Character (0A hex)
<CR>
Carriage Return Character (0D hex)
<SP>
Space (20 hex)
X
Character from display including
minus sign
hhh
Three status bytes
uu
Unit of measure (lb, kg and oz) using
ANSI standard abbreviations)
Communication Setting
Command Scale Response
Results
W<CR>
<LF>xxxx.xxuu<CR>
Returns decimal
<LF>hhh<CR><ETX>
weight with units
or
and scale status.
<LFxxxxxx<CR>
Returns contents
<LF>hhh<CR><ETX>
of display (other
than wt) and scale
status
S<CR>
<LF>hhh<CR><ETX>
Returns scale
status
Z<CR>
<LF>hhh<CR><ETX>
Scale is zeroed,
then status returns
All else
<LF>?<CR><ETX>
Unrecognized
command
