865
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
B Instruction Execution Time
B-3 Label (P/I) 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-3 Label (P/I) Execution Time
Appendix B-4 Applied 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
P***
0.065
0.129
µ
s in P256 to P4095
I***
0.065
FNC
No.
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
Program flow
00
CJ
8.0
⎯
0.195
⎯
01
CALL
13.5
(CALL+SRET)
⎯
0.195
⎯
02
SRET
⎯
⎯
⎯
03
IRET
4.4
⎯
⎯
⎯
04
EI
3.8
⎯
⎯
⎯
05
DI
3.7
⎯
⎯
⎯
06
FEND
113.9 + 2.13X +
3.25Y
⎯
⎯
Even if FEND and END are
used together, execution time
of only END is required.
X: Number of input points,
Y: Number of output points
07
WDT
5.4
⎯
0.065
⎯
08
FOR
11.6
(FOR + NEXT)
⎯
⎯
⎯
09
NEXT
⎯
⎯
⎯
Move and compare
10
CMP
15.5
16.0
0.455
0.845
11
ZCP
18.9
19.7
0.585
1.105
12
MOV
0.64
1.48
0.32
1.48
For details, refer to
Appendix B-6-2.
13
SMOV
22.9
⎯
0.715
⎯
14
CML
10.6
10.2
0.325
0.585
15
BMOV
13.9 + 0.44n
⎯
0.455
⎯
16
FMOV
14.2 + 0.19n
14.0 + 0.38n
0.455
0.845
17
XCH
10.7
11.4
0.325
0.585
18
BCD
11.0
15.5
0.325
0.585
19
BIN
7.5
8.4
0.325
0.585
Arithmetic and logical operation
20
ADD
8.1
8.5
0.455
0.845
21
SUB
8.1
8.5
0.455
0.845
22
MUL
7.0
7.3
0.455
0.845
23
DIV
8.2
8.6
0.455
0.845
24
INC
6.2
6.4
0.195
0.325
25
DEC
6.2
6.4
0.195
0.325
26
WAND
7.0
7.3
0.455
0.845
27
WOR
7.0
7.3
0.455
0.845
28
WXOR
7.0
7.3
0.455
0.845
29
NEG
7.6
8.0
0.195
0.325