76 ● DA DMC-40x0 Command Reference
DA
FUNCTION: Deallocate the Variables & Arrays
DESCRIPTION:
The DA command frees the array and/or variable memory space. In this command, more than one
array or variable can be specified for memory de-allocation. Different arrays and variables
are separated by comma when specified in one command. The argument * deallocates all the
variables, and *[0] deallocates all the arrays.
ARGUMENTS: DA c[0],variable-name where
c[0] = Defined array name
variable-name = Defined variable name
* - Deallocates all the variables
*[0] - Deallocates all the arrays
DA? Returns the number of arrays available on the controller.
USAGE: DEFAULTS:
While Moving Yes Default Value ------
In a Program Yes Default Format ------
Command Line Yes
Controller Usage
ALL CONTROLLERS
OPERAND USAGE:
_DA contains the total number of arrays available. For example, before any arrays have been
defined, the operand _DA is 30. If one array is defined, the operand _DA will return 29.
RELATED COMMANDS:
DM Dimension Array
EXAMPLES: ‘Cars’ and ‘Sales’ are arrays and ‘Total’ is a variable.
DM Cars[400],Sales[50] Dimension 2 arrays
Total=70 Assign 70 to the variable Total
DA Cars[0],Sales[0],Total Deallocate the 2 arrays & variables
DA*[] Deallocate all arrays
DA *,*[] Deallocate all variables and all arrays
Note: Since this command deallocates the spaces and compacts the array spaces in the memory, it is
possible that execution of this command may take longer time than 2 ms.
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