419
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
15 External FX I/O Device – FNC 70 to FNC 79
15.6 FNC 75 – ARWS / Arrow Switch
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
Program example
1. When changing the timer number and displaying the current value
1) Specifying the timer number using a 3-digit digital switch
2) Setting the constant of the timer using the arrow switches
Explanation of operation
Every time the read/write key is pressed, the read/write LED lights alternately.
• In reading
Set the timer number using the digital switch, and then press the set switch (X003).
• In writing
Set a numeric value using the arrow switches while looking at the seven-segment display unit, and then
press the switch X003.
X013
X010
X011
X012
10
1
1
8 4
Y011
2
10
0
1
8 4
Y010
2
10
2
1
8 4
Y012
2
Y004
Y015
Y007 Y006 Y005
Read
Write
Y003
Read
8
Y000
Y001
Y002
Y014
1
2
4
X001
Set
Write
X004 X003 X002 X000