591
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
25 Block Data Operation – FNC190 to FNC199
25.2 NFC193 – BK– / Block Data Subtraction
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
Errors
An operation error is caused in the following cases; The error flag M8067 turns ON, and the error code is
stored in D8067.
• When "n" ("2n" in 32-bit operation) devices starting from
,
, and/or
exceed the
corresponding device range (error code: K6706)
• When "n" ("2n" in 32-bit operation) devices starting from
overlap "n" ("2n" in 32-bit operation)
devices starting from
(error code: K6706)
• When "n" ("2n" in 32-bit operation) devices starting from
overlap "n" ("2n" in 32-bit operation)
devices starting from
(error code: K6706)
Program example
In the program shown below, the constant "8765" is subtracted from the data stored in D100 to D102 when
X010 is set to ON, and the operation result is stored in D200 and later.
S
1
S
2
D
S
1
D
S
2
D
D100
b15
b0
−
K12345
K8701
K3502
D101
D102
b15
b0
K8765
D200
b15
b0
K3580
K-64
K-5263
D201
D202
X010
FNC193
BK-P
D100
K8765
D200
END
K3
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