Metrohm 730 Sample Changer - Manuel (Page 35)

3.1 Tutorial
730 Sample Changer, Introduction 32
Tracing
7
SAMPLE
<2>
<ENTER>
• Before you begin tracing, set the position of the first sample with
the SAMPLE command. Press <SAMPLE>.
Display: SAMPLE: = 1
• Press <2> and <ENTER>.
PARAM
<3>
<ENTER>
• Now press <PARAM> to open the parameter menu. All pa-
rameters and sequences that are stored with methods can be
found here.
Display: parameters
number of samples: rack
• The first menu entry defines the number of sample beakers
(without the special beakers) that are to be treated in a series.
Here you can choose between 'rack' (= a sample rack that is
partially or completely filled, only positions with a sample beaker
are counted) and '
∗ ' (= infinite number of samples) with
<SELECT>. However for this learning sequence, enter '3' on the
keyboard. It is also possible here, as with the other parameters,
to enter data manually or use the "select" choice.
<ENTER>
<QUIT>
Display: parameters
>start sequence
• In the submenu '<start sequence' the commands that are exe-
cuted at the start of a sample series are found.
Display: >start sequence
1 CTL:Rm: INIT
• Only the CTL command is involved in the initialization of the
remote interface in the 'Titrino' method. This command should
be used in the start sequence of every method. Do not change
anything here. Leave this submenu with <QUIT>.
<ê>
<ENTER>
• In the submenu '>sample sequence' you find the command se-
quences that are executed for every sample. It is recommended
to test out this procedure line by line with the TRACE function.
START
Display: >sample sequence
1 MOVE 1 : sample
• If you press the <START> key at this point, the MOVE com-
mand is executed. The sample beaker in the position predefined
as sample position 2 is placed in front of tower 1.
<START>
Display: 2 LIFT: 1 : work mm
• On the next line press <START> again to move the titration
head on tower 1 into the work position you previously defined for
this rack.
<START> Display: 3 STIR: 1 : on s
• Stirrer 1 is turned on in this line.