Metrohm 796 Titroprocessor - Manual (Page 203)

8. Command reference
796 Titroprocessor, Instructions for use 197 197
CASE
Conditional execution of a command block
The CASE command defines the condition within a (CASE...)CASE se-
quence which determines whether the following command block (up to the
next
CASE command) will be executed.
Parameters
Expression for defining the condition
30 characters
The condition is always defined as an expression formed
from the system variable, numerical values and operators
(see below). Different expressions can be linked with the
logical operators
AND and OR.
EXIT
Conditional termination of a CASE sequence
The EXIT command within a (CASE...)CASE sequence defines the con-
dition for direct termination of the execution of the CASE sequence.
Parameters
Expression for defining the condition
30 characters
The condition is always defined as an expression formed
from the system variable, numerical values and operators
(see below). Different expressions can be linked with the
logical operators
AND and OR.
System variables
All system variables (see page 121f) can be used. Please note that the cur-
rent contents of the variables is always decisive.
The sample identifications
ID1, ID2 and ID3 can only be used when they
contain numerical values.
Flag variables, such as the endpoint flags
EF1…9 are set as 0 or 1, i.e.
EF2=1 means that equivalence point 2 has been found.
Operators
The following operators are possible:
= equal to
> greater than
< smaller than
>= equal to or greater than
<= equal to or smaller than
<> unequal to
AND all conditions are met
OR at least one condition is met