55
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
3 Instruction List
3.1 Basic Instructions
1
In
troduct
io
n
2
Ov
e
rv
ie
w
3
In
st
ru
ct
ion
Li
st
4
D
evi
ce
s
in
De
ta
il
5
Speci
fied t
h
e
D
evi
ce &
C
onst
a
nt
6
Bef
o
re
Pr
ogr
a
m
m
ing
7
Bas
ic
In
st
ru
cti
o
n
8
FNC0
0
-FNC0
9
P
ro
g
ra
m F
lo
w
9
FNC1
0
-FNC1
9
M
ov
e
&
C
om
par
e
10
FNC
20-
FNC
2
9
Ar
ith.
&
Logi
c
O
per
at
io
n
3.
Instruction List
This chapter introduces a list of instructions available in programming.
Instructions added in FX
3U
and FX
3UC
PLCs are shaded in the list.
3.1
Basic Instructions
The basic instructions are provided in the following series. The table below shows differences in applicable
devices.
Applicable PLC
FX
3U
FX
3UC
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC
All basic instructions
3
3
3
3
3
3
3
Absence/presence of applicable devices
(D
. b, R)
3
3
–
–
–
–
–
Mnemonic
Name
Symbol
Function
Applicable devices
Reference
Contact Instruction
LD
Load
Initial logical operation
contact type NO
(normally open)
X,Y,M,S,D
.b,T,C
Section 7.1
LDI
Load Inverse
Initial logical operation
contact type NC
(normally closed)
X,Y,M,S,D
.b,T,C
Section 7.1
LDP
Load Pulse
Initial logical operation of
Rising edge pulse
X,Y,M,S,D
.b,T,C
Section 7.5
LDF
Load Falling Pulse
Initial logical operation of
Falling/trailing edge pulse
X,Y,M,S,D
.b,T,C
Section 7.5
AND
AND
Serial connection of NO
(normally open) contacts
X,Y,M,S,D
.b,T,C
Section 7.3
ANI
AND Inverse
Serial connection of NC
(normally closed) contacts
X,Y,M,S,D
.b,T,C
Section 7.3
ANDP
AND Pulse
Serial connection of Rising
edge pulse
X,Y,M,S,D
.b,T,C
Section 7.5
ANDF
AND Falling Pulse
Serial connection of
Falling/trailing edge pulse
X,Y,M,S,D
.b,T,C
Section 7.5
OR
OR
Parallel connection of NO
(normally open) contacts
X,Y,M,S,D
.b,T,C
Section 7.4
ORI
OR Inverse
Parallel connection of NC
(normally closed) contacts
X,Y,M,S,D
.b,T,C
Section 7.4
ORP
OR Pulse
Parallel connection of
Rising edge pulse
X,Y,M,S,D
.b,T,C
Section 7.5
ORF
OR Falling Pulse
Parallel connection of
Falling/trailing edge pulse
X,Y,M,S,D
.b,T,C
Section 7.5
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices
Applicable devices