Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual - Manual (Page 123)

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5.9.1 Input Parameters for the Subtract Instruction
This table lists the inputs for the SUB 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 and
ENO is false.
Connect a Boolean input or output.
In1
In2 Enter the variables or constants you want to subtract
(In1 minus In2).
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)