9.3 Sample Changer Commands
726 Titroprocessor, Short Introduction
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9.3 Sample Changer Commands
CHANGER
Definition of changer parameters
SAMPLE
Modification of the actual 'SAMPLE' variable
MOVE_S
Moving the sample beaker to a working station
MOVE_B
Moving a special beaker to a working station
LIFT
Positioning of a titration head
PUMP
Pump control
STIR_C
Controlling a stirrer of a sample changer
RESET_C
Resetting a changer to initial position
9.4 Auxiliary Functions
ASK
Request for sample data
HOLD
Interruption of a determination
WAIT
Waiting time in sec. (or infinite)
WAIT_T
Waiting for a preset time
WAIT_C
Waiting for conditioning to be ‘ready’
ADD_A
Adding absolute volumes of auxiliary reagents
ADD_R
Adding relative volumes of auxiliary reagents
STIR_I
Controlling of internal stirrers A and B
REM
Comment line in method editor
NOOP
No operation
BEEP
Beeper
END
End mark of method
9.5 Sequences
(OMOVE
…
)OMOVE
The Opening Move or Start Sequence may contain com-
mands that will be processed once during the first run of a
sample series.
(CMOVE
…
)CMOVE
The Closing Move or Final Sequence may contain com-
mands that will be processed once during the last run of a
sample series.
(CASE
…
)CASE
A CASE sequence will be executed if the condition defined
at the top of the sequence is true.
Example for use of CASE:
Command Parameters Parameters
ÄÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
MEAS_PH* Initial pH measuring
Sensor comb. Glass Signal drift 50 mV/min
Equilibr.time auto s Meas. input A1
Temperature 25.0 øC
(CASE CM < 7
(CM=Closing measured value, pH value)
REM If pH value of sample <7, titrate free acid
DET_PH* Titration of free acid
Reagent NaOH Sensor comb. Glass
Concentr. 0.1 mol/L Meas. input A1
Dos. drive A1
)CASE
