Mitsubishi Electric FX3G SERIES Programming Manual page 249

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
2. 32-bit operation (DZCP and DZCPP)
The lower comparison value [
comparison source [
or D +2 turns ON.
• Comparison is executed algebraically. Example: −125400 < 22466 < 1015444
Command
input
FNC 11
DZCP
D
D
+1
D
+2
Even if the command input turns OFF and ZCP instruction is not executed,
the status just before the command input turns OFF from ON.
Cautions
1. Number of occupied devices
From the device specified as
control.
2. Upper comparison value and lower comparison value
The lower comparison value
1) When the lower comparison value
X000
M 3
M 4
M 5
2) When the lower comparison value
X000
M 3
M 4
M 5
S +1, S ] and upper comparison value [
1 1
S +1, S ]. According to the result (smaller, within zone or larger), either
S S S
1 2
Turns ON in the case of
" [ +1, ] > [ S +1,
S S
1 1
Turns ON in the case of
" [ +1, ] ≤ [ S +1,
S S
1 1
Turns ON in the case of
" [ +1,
S
D , three devices are occupied. Make sure not to use devices used in another
S should be smaller than the upper comparison value
1
is smaller than the upper comparison value
S
1
S S
1 2
K100 K120
ZCP
Turns ON in the case of
"K100 > C30 (Current value)" .
Turns ON in the case of
"K100 ≤ C30 (Current value) ≤ K120" .
Turns ON in the case of
"K120 < C30 (Current value)" .
S is larger than the upper comparison value
1
S S
1 2
K120 K100
ZCP
Turns ON in the case of
"K120 > C30 (Current value)" .
Turns ON in the case of
"K120 = C30 (Current value)" .
Turns ON in the case of
"K120 < C30 (Current value)" .
9 Move and Compare – FNC 10 to FNC 19
D
] ".
S
] ≤ [ S +1, ] ".
S S
2 2
] > [ S +1, ] ".
S S
2 2
D
S D
X000
C30 M3
C30
M3
M4
M5
S D
X000
C30 M3
It is handled as
S
K120 .
1
C30
M3
M4
M5
9.2 FNC 11 – ZCP / Zone Compare
S +1, S ] are compared with the
2 2
D ,
, D +1 and D +2 latch
S .
2
S
2
121
120
119
...
100
99
S
2
121
120
119
...
100
99
1
D +1
2
3
4
5
6
7
8
9
10
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