Mitsubishi Electric MELSEC FX3U Programming Manual page 641

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
2. 32-bit operation (DBKCMP=, >, <, <>, <=, >= / DBKCMP=P, >P, <P, <>P, <=P, and >=P)
1) "n" 32-bit binary data starting from [
from [ +1,
S
2
Command
input
FNCOOO
DBKCMP
[
S
1
[ +3,
S
1
[ +5,
S
1
[ +2n-3,
S
1
[ +2n-1,
S
1
2) A constant can be directly specified in [
[ +1,
S S
1 1
*4 An operation example of DBKCMP=
(FNC194) instruction is shown here.
3) The table below shows the comparison result for each instruction:
Instruction
DBKCMP=(FNC194)
DBKCMP>(FNC195)
DBKCMP<(FNC196)
DBKCMP<>(FNC197)
DBKCMP<=(FNC198)
DBKCMP>=(FNC199)
4) When the comparison result is ON (1) in all of "n" points starting from [
comparison signal) turns ON.
Related device
Device
M8090 Block comparison signal
S
], and the comparison result is stored in "n" points starting from [
S
2
*1
S S
1 2
*2
+1, ] K1234
S
1
+2] K5678
S
1
+4] K5000
S "n"
1
points
+2n-4] K40000
S
1
+2n-2] K4321
S
1
*3 An operation example of DBKCMP>
(FNC195) instruction is shown here.
*4
=
] K32000
Comparison result ON (1) condition
[ S +1, S ] =
1 1
[ S +1, S ] >
1 1
+1, < [
[ S S ]
1 1
≠ [
+1,
[ S S ]
1 1
S +1, S ] <=
[
1 1
[ S +1, S ] >=
1 1
→ For the block comparison signal use method, refer to Subsection 6.5.2.
Name
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)
25 Block Data Operation – FNC190 to FNC199
25.3 FNC194~199 – BKCMP=, >, <, < >, <=, >= / Block Data Compare
+1, ] are compared with "n" 32-bit binary data starting
S
1 1
*1 The number out of 194 to 199 is put in "OOO".
*2 The symbol out of "=", ">", "<", "<>", "<=", or
D n
">=" corresponding to the FNC No. is put in
[ +1,
S S
2 2
[ +3, +2]
S S
2 2
*3
[ +5, +4]
S S
2 2
>
[ +2n-3, +2n-4]
S S
2 2
[ +2n-1, +2n-2]
S S
2 2
+1, ].
S S
1 1
[ +1, ] K32000
S S
2 2
[ +3, +2] K4321
S S
2 2
[ +5, +4] K32000
S S
2 2
[ +2n-3, +2n-4] K1234
S S
2 2
[ +2n-1, +2n-2] K5678
S S
2 2
Comparison result OFF (0) condition
[
S +1, S ] [ S
2 2 1
[
S +1, S ] [ S +1,
2 2 1
+1, ] +1,
S S [ S
2 2 1
+1, ]
S S [ S
2 2 1
[
S +1, S ] S
[
2 2 1
[
S +1, S ] [ S
2 2 1
Description
+1,
D
] K5321
K3399
K5678
"n"
points
K6543
K1200
Comparison result
+0 OFF(0)
D
+1 ON(1)
+2 OFF(0)
+n-2 ON(1)
+n-1 ON(1)
"n"
points
Comparison result
D +0 ON(1)
+1 OFF(0)
+2 ON(1)
points
+n-2 OFF(0)
+n-1 OFF(0)
≠ [
+1, S ] S +1, S ]
1 2 2
[
S ] <= S +1, S ]
1 2 2
] >= [ +1, ]
S S S
1 2 2
[
+1, ] = +1, ]
S S S
1 2 2
[
+1, S ] > S +1, S ]
1 2 2
< [
+1, S ] S +1, S ]
1 2 2
+1, ], the M8090 (block
D D
21
].
D
22
.
23
"n"
24
points
25
26
"n"
27
28
29
30
639