Metrohm 711 Liquino - Manual (Page 90)

4.5 SEQ mode - complex processes
711 Liquino, Instructions for use 84
The process sequence is defined in the parameter menu and is part of the
method.
The individual steps can be programmed in sequence. It is possible to in-
sert steps in the sequence at a later date (<INSERT> key) or to delete
whole steps from the sequence (<DELETE> key).
Example:
>SEQ sequence
aut o st ar t 3
st ep 1
command: TI MER
dat e 1998- 12- 01
t i me 10: 00: 00
st ep 2
command: METHOD
met hod: XDOS1
st ep 3
command: CONTROL
i nt er f ace: Remot e
pat t er n 0001- - - -
st ep 4
command: PAUSE
pause 00: 01: 00
st ep 5
command: CONTROL
i nt er f ace: Remot e
pat t er n 0000- - - -
st ep 6
command: SCAN
i nt er f ace: Remot e
pat t er n 00001- - -
. . .

3 repeats of the sequence

start at a particular time

carry out method (XDOS1)

start determination

minimum waiting period

reset remote leads

wait for end of determination
4.5.1 Commands
Sub-methods
Any number of methods can be used in a sequence, with the exception of
GLP methods or methods which themselves represent a sequence. A pre-
condition is that they are stored either in the internal memory (<USER
METH> key) or on an inserted memory card (<MEM CARD> key). Avoid
storing methods under the same name in the internal memory and on the
memory card if the card is always inserted in the instrument. The Liquino will
always load the version of the method which is stored in the internal
memory.
If you work with memory cards you must take the following points into con-
sideration. Various directories can be created on a card. When a sequence
is being processed the Liquino will only access the directory which is cur-
rently opened. Before you use a sequence in which a method is stored on a
memory card you must select the corresponding directory. This is done by
pressing the <MEM CARD> key and then pressing the <> key three
times. If '
>change di r ect or y' is now shown, press <ENTER> and use
the <SELECT> key to select the required directory. Confirm your selection
with <ENTER>. See also page 128ff.