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Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual User Manual

Page 186

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9Ć12

9.3.1

Input Parameters for the Circular Rotate Bits Left on Transition Instruction

This table lists the inputs for the RL 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 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)