961
FX
3G
/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
Transf
er 3
32
FN
C
280-
FN
C
289
H
igh Speed
Pr
ocessing 2
33
FN
C
29
0-F
N
C
299
Ext
ens
ion Fi
le
R
egi
ster
34
FN
C
300-
FN
C
305
FX
3U
-C
F-A
D
P
35
SFC•S
TL
Pr
ogr
am
m
ing
36
In
ter
rupt
Functi
on
37
Special D
evice
38
E
rro
r C
ode
A
Ve
rs
ion U
p
In
fo
rm
atio
n
B
Execution T
im
es
Appendix B: Instruction Execution Time
The instruction execution time in FX
3G
, 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
• FX
3U
/FX
3UC
PLCs
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
MEP
3.4
MEF
3.4
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