Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual - Manual (Page 235)

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10.5.1 Input Parameters for the Array Shift Down Instruction
This table lists the inputs for the ASD instruction and the variable type and data
type/range that each input supports.
Parameter Description Variable Type Data/Type Range
EN While this input is true, the instruction executes. When
this input is false, the instruction does not execute.
Connect a Boolean input or output.
In Enter the name of a variable or a constant that you want
to move into the first element position of Array.
If no value is specified, a 0 is used.
D simple
D constant
D element of an array D integer
D double integer
D timer
(name.TPreset and
name.Elapsed)
D counter
(name.CPreset
and name.Current)
Array Enter the name of the array variable that you want to
use.
array D integer
D double integer