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FX

3G

/FX

3U

/FX

3UC

 Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

11 Rotation and Shift Operation – FNC 30 to FNC 39

FN
C

30

-FN
C

39

R

otati
on and 

Shi
ft

FNC4
0-F

NC4

9

D

ata O
per
ati

on

FN
C

50-FN

C

59

H

igh S

pe

ed 

P

rocessing

FM
C

60-FN

C

69

H

andy 

In

st

ru

ct

ion

FNC7
0-F

NC7

9

Ex

ter

nal FX

 I/O

 

D

evice

FN
C

80-FN

C

89

Ext
ernal
 FX 

De
vic

e

FN

C

100-
FN

C

10

9

Da

ta

 

Transf
er 2

FN

C

110-
FN

C

139

Floati

ng Poi

nt

FN

C

14

0-F

N

C

149

Da

ta

 

O

per
at

ion 2

FN

C

150-
FN

C

159

Posit

ioning 

C

ont
ro

l

This instruction reads data for first-in first-out control.

*1.

"+1" is required for the pointer.

S

: This function is supported only in FX

3U

/FX

3UC

 PLCs.

+1 written in turn by SFWR (FNC 38) instruction is transferred (read) to 

, and "n-1" words from 

+1

are shifted rightward by 1 word.  "1" is subtracted from the number of data, stored in 

.

Head word device number storing data
(The first word device works as the pointer, and data is stored in 

+1 and later.)

16-bit binary

Word device number storing data taken out first  2 

≤ n ≤ 512

16-bit binary

n

Number of store points plus "1"

*1

  2 

≤ n ≤ 512

16-bit binary

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

E

"…"

P

3

3

3

3 3 3 3

S

3

3

3

3

3 3 3 3

S

3 3

3

n

3 3

P

FNC 39

SFRD

16-bit Instruction

7 steps

Mnemonic

Operation Condition

Continuous

Operation
Pulse (Single)

Operation

SFRD

SFRDP

−
−

Mnemonic

Operation Condition

32-bit Instruction

  S

  S

  D

  S

  D

  

S

1

   

D

  

S

1

  S

n

Command

input

FNC 39
SFRDP

D ‚

S ‚