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 Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
25 Block Data Operation – FNC190 to FNC199
21
FN
C
160
-F
N
C
16
9
R
eal
 T
im
e C
lock
 
C
ont
ro
l
22
FN
C
170-
FN
C
179
E
xte
rnal D
evice
23
FN
C
180
A
lter
nate 
In
st
ru
ct
ions
24
FN
C
181-
FN
C
18
9
O
ther
s
25
FN
C
190-
FN
C
199
B
lock D
ata
 
O
per
ation
26
FN
C2
00
-F
NC
20
9
C
ha
racter
 S
tring 
Co
ntro
l
27
FN
C
210-
FN
C
21
9
Da
ta
 
O
per
ati
on 3
28
FN
C
220-
FN
C
249
Da
ta
 
C
om
par
ison
29
FN
C
25
0-F
N
C
269
D
ata T
abl
O
per
at
ion
30
FN
C
270-
FN
C
274
Ex-
D
ev
ice 
Inv
ert
er
 Com
m
s
25. Block Data Operation – FNC190 to FNC199
FNC190 to FNC199 provide instructions for adding, subtracting and comparing block data.
FNC No.
Mnemonic
Symbol
Function
Reference
190
191
192
BK+
Block Data Addition
Section 25.1
193
BK–
Block  Data Subtraction
Section 25.2
194
BKCMP=
Block Data Compare 
=
Section 25.3
195
BKCMP>
Block Data Compare 
>
Section 25.3
196
BKCMP<
Block Data Compare 
<
Section 25.3
197
BKCMP<>
Block Data Compare 
Section 25.3
198
BKCMP<=
Block Data Compare 
Section 25.3
199
BKCMP>=
Block Data Compare 
Section 25.3
n
D
S2
S1
BK+
n
D
S2
S1
BK-
n
D
S2
S1
BKCMP=
S
1
S
2
n
D
S2
S1
BKCMP>
S
1
S
2
n
D
S2
S1
BKCMP<
S
1
S
2
n
D
S2
S1
BKCMP<>
S
1
S
2
n
D
S2
S1
BKCMP<=
S
1
S
2
n
D
S2
S1
BKCMP>=
S
1
S
2