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14 Applied Instructions (External FX I/O Device)
14.3 DSW / Digital Switch (Thumbwheel Input)
361
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
11
Appl
ied
 In
stru
cti
ons 
(D
ata O
per
at
io
n)
12
Ap
plied
 Instru
ctio
ns 
(High S
peed 
Process
ing)
13
App
lied Instr
ucti
ons 
(Handy
 
Instruction)
14
Ap
pl
ied In
struct
ions 
(External FX I/O
 
D
evice)
15
Appl
ied
 Instru
cti
ons
 
(External
 Dev
ice 
(op
tional
 dev
ice)
)
16
App
lie
d Instr
uction
(E
xter
nal
 Devi
ce)
17
Ap
pl
ied Inst
ruct
io
ns 
(Dat
a T
ransf
er 2)
18
Appl
ied
 In
stru
cti
ons 
(Float
ing P
oin
t)
19
App
lie
d Instr
uction
(D
at
a Oper
at
ion 2)
20
App
lied Inst
ructi
ons 
(Pos
itioning 
Control)
14.3
DSW / Digital Switch (Thumbwheel Input)
Outline
This is a command for reading in the set value of digital switch.
You can read in the data of 4 digits and 1 set (n=K1), or 4 digits and 2 sets (n=K2).
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
FX
3U(C)
FX
3G(C)
FX
3S
FX
2N(C)
FX
1N(C)
FX
1S
FX
U
/FX
2C
FX
0N
FX
0(S)
Instruction 
name
Operation
Execution 
form
Expression in each language
Structured ladder/FBD
ST
DSW
16 bits
Continuous
DSW(EN, s, n, d1, d2);
Variable
Description
Data type
Input
variable
EN
Execution condition
Bit
Beginning device for connecting digital switch (X) (4 points occupied)
Bit
Number of sets of digital switch (4 digits/1 set) [n=1 or 2]
ANY16
Output
variable
ENO
Execution state
Bit
Beginning device of output of strobe signal (Y) (4 points occupied)
ARRAY [0..3] OF Bit
Device for storing numerical value of digital switch (n points occupied)
ANY16
Operand 
type
Bit Devices
Word Devices
Others
System user
Digit designation
System 
user
Special 
unit
Index
Cons
tant
Real 
number
Character 
string
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R
U
\G
V Z Modifier K H
E
"
"
P
z
z
z z
z
z
z z z
S1
S2
z z
z
DSW
EN
s
n
ENO
d1
d2