315
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
13 High Speed Processing – FNC 50 to FNC 59
11
FN
C30-
FN
C39
R
o
ta
tion and
Sh
ift
12
FNC
4
0
-FNC49
D
a
ta
Op
e
ra
tio
n
13
FNC5
0
-FNC5
9
H
igh Speed
Pr
ocessi
ng
14
FM
C6
0
-F
NC6
9
H
and
y
In
st
ru
cti
o
n
15
FNC7
0
-FNC7
9
Ex
te
rn
a
l F
X
I
/O
D
evi
ce
16
FNC8
0
-FNC8
9
Ext
e
rnal
FX
D
evi
ce
17
F
N
C1
00
-F
NC
10
9
Da
ta
Tr
ansf
e
r 2
18
FN
C
110-FN
C
13
9
Fl
oat
ing P
o
in
t
19
FN
C
140-FN
C
149
Da
ta
O
per
at
io
n
2
20
FN
C
15
0-F
N
C
159
P
o
si
tioni
ng
C
ont
ro
l
13. High Speed Processing – FNC 50 to FNC 59
FNC 50 to FNC 59 provide interrupt processing type high speed processing instructions which execute
sequence control using the latest I/O information and utilize the high speed processing performance of PLCs.
FNC No.
Mnemonic
Symbol
Function
Reference
50
REF
Refresh
Section
13.1
51
REFF
Refresh and filter adjust
Section
13.2
52
MTR
Input Matrix
Section
13.3
53
HSCS
High speed counter set
Section
13.4
54
HSCR
High speed counter reset
Section
13.5
55
HSZ
High speed counter zone compare
Section
13.6
56
SPD
Speed Detection
Section
13.7
57
PLSY
Pulse Y Output
Section
13.8
58
PWM
Pulse Width Modulation
Section
13.9
59
PLSR
Acceleration/deceleration setup
Section
13.10
n
D
REF
n
REFF
n
MTR
D2
D1
S
HSCS
S2 D
S1
HSCR
S2 D
S1
D
HSZ
S
S2
S1
SPD
S2 D
S1
PLSY
S2 D
S1
PWM
S2 D
S1
D
PLSR
S3
S2
S1
