Rockwell-automation AutoMax Enhanced Ladder Language Reference Manual Manuel d'utilisateur Page 182

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9Ć8
9.2.1 Input
P
arameters for the Circular Rotate Bits Left Instruction
This table lists the inputs for the ROL instruction and the variable type and data
type/range that each input supports.
Parameter
Description V
ariable T
ype Data/Type Range
EN While this input is true, the instruction executes. When this
input is false, the instruction is not executed and ENO is
false.
Connect a Boolean input or output.
In Enter the name of the variable containing the bits you
want to shift.
D Boolean array
D simple integer or
double integer
D element of an
integer or double
integer array
D
1 or 0
D
integer (0ĆFFFF)
D double integer
(0ĆFFFFFFFF)
N Enter the number of bit positions you want to rotate left.
If you do not want to rotate any bits, enter 0.
D integer or double
integer constant
D simple integer or
double integer
D element of an
integer or double
integer array
D
0 to 8 (if In is a
Boolean array)
D
0 to 15 (if In is an
integer)
D
0 to 31 (if In is a
double integer,
including timer or
counter elements)
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