Instruction 64- n bit rotate right – Maple Systems MAPware-7000 User Manual

Page 112

Advertising
background image

MAPware-7000 Ladder Logic Guide

104

1010-1041 rev. 00

Instruction 64- n bit rotate right

Expression:

Space Requirement: 1 line x 5 column Location Requirement: Middle, Right rail

Function:

When the input is ON, the data of register A is rotated n bits to the right (LSB direction), and
stored in B. After the operation, if the right most bit (LSB) is ON, the output is turned ON.

Execution Condition:

Input

Operation

Output

CF

OFF

No execution

OFF

---

ON

Execution

When LSB = 1

ON

Set or Reset

When LSB = 0

OFF

Set or Reset

Operand:

Coil or Bit

Register

Constant

Index

Name

X

Y B

S

T.

C.

M

X
W

Y
W

B
W

S
W

T C

D

I

J

K

M
W

A

Source

√ √

n

Shift bits

1-16

B

Destination

√ √

Example:

When X007 is changed from OFF to ON, the data of BW18 is rotated 5 bits to the right and the
result is stored in BW20.

The figure below shows an operation example.

Advertising