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Variable Names 3-3
3
Variable Names
3.1
Dynamic Variable Names
Dynamic variables can be named as desired, provided that the following conditions are satisfied:
■
The name must consist only of alphanumeric characters and underscores (_). Special symbols
cannot be used.
■
The name must not exceed 32 characters (all characters beyond the 32th character are ignored).
■
The name must begin with an alphabetic character.
SAMPLE
COUNT ························ Use is permitted
COUNT123
························ Use is permitted
2COUNT
························ Use is not permitted
■
Variable names must not be the same as a reserved word.
■
Variable names must not begin with characters used for system variable names (pre-defined
variables) and user-defined function. These characters include the following:
FN, DIn, DOn, MOn, LOn, TOn, SIn, SOn, Pn, Sn, Hn ("n" denotes a numeric value)
SAMPLE
COUNT ························ Use is permitted
ABS
························ Use is not permitted
(Reserved
word)
FNAME ························ Use is not permitted
(FN:
user-defined
function)
S91
························ Use is not permitted
(Sn:
pre-defined
variable)
REFERENCE
For details regarding reserved words, refer to Chapter 13 "1 Reserved word list".
3.2
Static Variable Names
Static variable names are determined as shown below, and these names cannot be changed.
Variable Type
Variable Name
Integer variable
SGIn (n: 0 to 31)
Real variable
SGRn (n: 0 to 31)
Static variables are cleared only when initializing is executed by online command.
REFERENCE
For details regarding clearing of static variables, refer to "12 Clearing variables" in
this Chapter.
Summary of Contents for SCARA YRCX Series
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