863
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
B Instruction Execution Time
B-1 Basic Instruction Execution Time
31
FN
C
275-FN
C
279
Da
ta
Tr
ans
fe
r 3
32
FN
C
280
-F
N
C
28
9
H
igh Speed
Pr
oces
si
ng 2
33
FN
C
290-FN
C
299
Ext
ensi
on Fi
le
R
egi
st
er
34
SF
C
•S
T
L
Pr
o
g
ra
m
m
in
g
35
In
te
rru
p
t
Funct
ion
36
Sp
e
cia
l De
vic
e
37
E
rro
r C
o
d
e
A
V
e
rs
ion U
p
In
fo
rm
a
tio
n
B
Ex
ec
ut
ion Ti
m
e
s
C
Appl
ic
ab
le
In
st
ru
ct
ion Li
st
Appendix B: Instruction Execution Time
The instruction execution time in FX
3U
and FX
3UC
PLCs is as shown below:
Measurement condition
• High speed counters and interrupt instructions (I) are not used together.
• In operands, data registers are used as target devices.
• Indexing (V or Z) is not provided.
Appendix B-1 Basic Instruction Execution Time
Instruction
Execution time in ON status (
µ
s)
Execution time in OFF status (
µ
s)
Remarks
16-bit instruction
32-bit instruction
16-bit instruction
32-bit instruction
Contact instructions
LD
0.065
0.129
µ
s in 2-step instruction
*1
0.193
µ
s in 3-step instruction
*3
LDI
0.065
0.129
µ
s in 2-step instruction
*1
0.193
µ
s in 3-step instruction
*3
LDP
7.8
⎯
LDF
7.8
⎯
AND
0.065
0.129
µ
s in 2-step instruction
*1
0.193
µ
s in 3-step instruction
*3
ANI
0.065
0.129
µ
s in 2-step instruction
*1
0.193
µ
s in 3-step instruction
*3
ANP
7.5
⎯
ANF
7.5
⎯
OR
0.065
0.129
µ
s in 2-step instruction
*1
0.193
µ
s in 3-step instruction
*3
ORI
0.065
0.129
µ
s in 2-step instruction
*1
0.193
µ
s in 3-step instruction
*3
ORP
7.4
⎯
ORF
7.4
⎯
Connection instructions
ANB
0.065
ORB
0.065
MPS
0.065
MRD
0.065
MPP
0.065
INV
0.065
Output instructions
OUT Y,M
0.065
0.129
µ
s in 2-step instruction
*2
0.193
µ
s in 3-step instruction
*3
OUT S
4.8
4.8
OUT T K
0.71
0.71
T192 to T199, T246 to T511
11.6
µ
s in execution in ON status
8.2
µ
s in execution in OFF status