Mitsubishi Electronics FX3G 사용자 설명서

306

/FX

3GC

/FX

3UC

Series

Programming Manual - Basic & Applied Instruction Edition

11 Rotation and Shift Operation – FNC 30 to FNC 39

11.7 FNC 36 – WSFR / Word Shift Right

11.7

FNC 36 – WSFR / Word Shift Right

Outline

This instruction shifts word devices with "n1" data length rightward by "n2" words.

1. Instruction format

2. Set data

*1.

Do not set a negative value to the number of words to be shifted rightward.

3. Applicable devices

S1: This function is supported only in FX

/FX

3GC

/FX

3UC

PLCs.

S2: This function is supported only in FX

/FX

3UC

PLCs.

Explanation of function and operation

1. 16-bit operation (WSFR and WSFRP)

For "n1" word devices starting from

, "n2" words are shifted rightward ([1] and [2] shown below).

After shift, "n2" words starting from

are shifted to "n2" words starting from [

+n1-n2] ([3] shown below).

Operand Type

Description

Data Type

Head device number to be stored to the shift data after rightward shift

16-bit binary

Head word device number storing data to be shifted rightward

16-bit binary

Word data length of the shift data n2

≤ n1 ≤ 512

16-bit binary

Number of words to be shifted rightward n2

≤ n1 ≤ 512

16-bit binary

Oper-

and

Type

Bit Devices

Word Devices

Others

System User

Digit Specification

System User

Special

Unit

Index

Con-
stant

Real

Number

Charac-

ter String

Pointer

X Y M T C S D .b KnX KnY KnM KnS T C D

R U \G

V Z Modify K H

" "

FNC 36

WSFR

16-bit Instruction

9 steps

Mnemonic

Operation Condition

Continuous

Operation
Pulse (Single)

Operation

WSFR

WSFRP

−
−

Mnemonic

Operation Condition

32-bit Instruction

Command

input

FNC 36
WSFRP

n2 (in the case of "n2=3")

n1 (in the case of "n1=9")

[1]

Overflow (data to

be deleted)

+7 +6 +5 +4 +3

+7 +6 +5

+4 +3 +2 +1

+8 to +3 before shift (n2=3)

[3] Copy

[2]

"n2" bits are

shifted rightward

(n2=3).

+2 to before shift (n2=3)

Before

execution

After

execution