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13.5 Commands
The following commands can be sent from a PC to the
smart
CHEM
-Titro
. Note that <cr> denotes
carriage return and <lf> denotes a line feed.
Action
Command Notes
Request current data
?D<cr>
Returns the current data of all parameters plus date and
time from the
smart
CHEM
-Titro
. The log number
returned is set to Zero.
Request logged data
?R<cr>
Returns all logged records from the
smart
CHEM
-Titro
memory. The data ends with the message
ENDS
<cr>
Erase logged data
?E<cr>
Erases
all
logged
records
from
the
smart
CHEM
-Titro
memory. Returns the message
ERASED
<cr> to confirm that the records have been erased.
Request status
information
?S<cr>
Returns the model name, firmware version number,
instrument serial number and number of logged readings in
memory, for example…
smartCHEM-T •V1.0•T1234•2340•%<cr>,
where “
•
” are spaces. Note that the number of logged
readings is right-justified. The “
%
” is used internally by the
WinTPS software.
Request GLP
information
?G<cr>
Returns all calibration GLP information, plus the
instrument model, serial number and current date (see
section 13.7 for data format and hand-shaking).
Positions of Data
Fields
?P<cr>
Returns the number of data fields, along with their position
and length as follows…
6,1,10,12,8,21,4,26,8,38,5,47,6
This denotes 6 fields, the first of which is at column 1 and
is 10 characters long. The second field is at column 12 and
is 8 characters long and so on.
Data Column Header ?H<cr>
Returns a text string which can be used to provide headers
for each data field. Spaces are included to ensure that the
headers are correctly aligned with the data.
