573
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
24 Others – FNC181 to FNC189
24.3 FNC186 – DUTY / Timing Pulse Generation
21
FN
C
160-FN
C
169
R
eal
Ti
m
e
C
loc
k
C
ont
ro
l
22
FN
C
170
-F
N
C
17
9
E
xt
e
rnal
D
evi
ce
23
FN
C
180
Su
b
st.
I
n
str
. I
n
fo
24
FN
C
181-FN
C
189
O
ther
s
25
FN
C
190-FN
C
19
9
B
loc
k D
a
ta
O
per
at
io
n
26
FN
C
200-FN
C
209
C
har
act
e
r St
ring
C
ont
ro
l
27
F
N
C2
10
-F
NC
21
9
Da
ta
O
per
at
ion 3
28
FN
C
220-FN
C
24
9
Da
ta
Co
m
p
a
ris
o
n
29
FN
C
250-FN
C
269
Da
ta
T
a
b
le
O
per
at
io
n
30
FN
C
27
0-F
N
C
274
Ex
-D
ev
ic
e
In
ve
rte
r C
o
mm
s
24.3
FNC186 – DUTY / Timing Pulse Generation
Outline
This instruction generates the timing signal whose one cycle corresponds to the specified number of
operation cycles.
1. Instruction format
2. Set data
3. Applicable devices
S
: Specify either one among M8330 to M8334.
Explanation of function and operation
1. 16-bit operation (DUTY)
1) The timing clock output destination
is set to ON and OFF with the ON duration for "n1" scans and
OFF duration for "n2" scans.
2) Specify either one among M8330 to M8334 as the timing clock output destination device
.
Operand Type
Description
Data Type
n1
Number of scans (operation cycles) to remain ON [n1 > 0]
16-bit binary
n2
Number of scans (operation cycles) to remain OFF [n2 > 0]
Timing clock output destination
Bit
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS
T
C
D
R U
\G
V
Z Modify K
H
E
"
"
P
n1
3 3 3 3
3 3
n2
3 3 3 3
3 3
S
3
FNC 186
DUTY
−
Mnemonic
Operation Condition
16-bit Instruction
7 steps
DUTY
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
D
D
D
Command
input
FNC186
DUTY
n1
n2
Timing clock output
destination
Timing clock output
destination
D
OFF
"n1" scans
ON
"n1+n2" scans
0
"n2" scans
D
D