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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
25 Block Data Operation – FNC190 to FNC199
25.3 FNC194~199 – BKCMP=, >, <, < >, <=, >= / Block Data Compare
21
FNC160-FNC169
Real Time Clock
Control
22
FNC170-FNC179
External Device
23
FNC180
Alternate
Instructions
24
FNC181-FNC189
Others
25
FNC190-FNC199
Block Data
Operation
26
FNC200-FNC209
Character String
Control
27
FNC210-FNC219
Data
Operation 3
28
FNC220-FNC249
Data
Comparison
29
FNC250-FNC269
Data Table
Operation
30
FNC270-FNC276
Ex-Device
2. 32-bit operation (DBKCMP=, >, <, <>, <=, >= / DBKCMP=P, >P, <P, <>P, <=P, and >=P)
1) "n" 32-bit binary data starting from [ +1, ] are compared with "n" 32-bit binary data starting from
[ +1, ], and the comparison result is stored in "n" points starting from [ +1, ].
2) A constant can be directly specified in [ +1, ].
3) The table below shows the comparison result for each instruction:
4) When the comparison result is ON (1) in all of "n" points starting from [ +1, ], the M8090 (block
comparison signal) turns ON.
Related device
→ For the block comparison signal use method, refer to Subsection 6.5.2.
Instruction Comparison result ON (1) condition Comparison result OFF (0) condition
DBKCMP= (FNC194)
[ +1, ] = [ +1, ]
[+1,] ≠ [+1,]
DBKCMP> (FNC195)
[ +1, ] > [ +1, ]
[+1,] <= [+1,]
DBKCMP< (FNC196)
[ +1, ]< [ +1, ]
[+1,] >= [+1,]
DBKCMP<> (FNC197)
[ +1, ] ≠ [ +1, ]
[ +1, ] = [ +1, ]
DBKCMP<= (FNC198)
[ +1, ] <= [ +1, ]
[ +1, ] > [ +1, ]
DBKCMP>= (FNC199)
[ +1, ] >= [ +1, ]
[ +1, ] < [ +1, ]
Device Name Description
M8090 Block comparison signal
Turns ON when all comparison results are "ON (1)" in a block data instruction.
DBKCMP= (FNC194), DBKCMP> (FNC195), DBKCMP< (FNC196), DBKCMP<> (FNC197),
DBKCMP<= (FNC198), and DBKCMP>= (FNC199)
S
1
S
1
S
2
S
2
D
D
Command
input
FNCOOO
*1
DBKCMP
*2
S
1
S
2
nD
*1 The number out of 194 to 199 is put in "OOO".
*2 The symbol out of "=", ">", "<", "<>", "<=", or
">=" corresponding to the FNC No. is put in
.
[ +1, ]
"n"
points
K1234
K5678
K40000
K5000
K4321
[ +3, +2]
[ +5, +4]
[ +2n-3, +2n-4]
[ +2n-1, +2n-2]
[ +1, ]
"n"
points
K5321
K3399
K6543
K5678
K1200
[ +3, +2]
[ +5, +4]
[ +2n-3, +2n-4]
[ +2n-1, +2n-2]
S
2
+0
Comparison result
"n"
points
OFF(0)
ON(1)
ON(1)
OFF(0)
ON(1)
+1
+2
+n-2
+n-1
D
>
*3
*3 An operation example of DBKCMP>
(FNC195) instruction is shown here.
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
1
S
1
[ +1, ] K32000
[ +1, ]
"n"
points
K32000
K4321
K1234
K32000
K5678
[ +3, +2]
[ +5, +4]
[ +2n-3, +2n-4]
[ +2n-1, +2n-2]
S
2
+0
Comparison result
"n"
points
ON(1)
OFF(0)
OFF(0)
ON(1)
OFF(0)
+1
+2
+n-2
+n-1
D
=
*4
*4 An operation example of DBKCMP=
(FNC194) instruction is shown here.
S
1
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
1
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
D
D