Справочник Пользователя для Mitsubishi Electronics FX2NC
FX Series Programmable Controllers
Basic Program Instructions 2
2-21
2.18
Inverse
Program example:
Basic points to remember:
-
The INV instruction is used to change (invert) the logical state of the current ladder
network at the inserted position.
network at the inserted position.
-
Usage is the same as for AND and ANI; see earlier.
Mnemonic
Function
Format
Devices
Program steps
INV
(Inverse)
(Inverse)
Invert the current
result of the
internal PLC
operations
result of the
internal PLC
operations
N/A
1
FX
0(S)
FX
0N
FX FX
(2C)
FX
2N(C)
X0
PLS
M0
M0
SET
Y0
X1
PLF
M1
M1
RST
Y0
0
0
0
0
1
1
1
0
1
1
1
0
LD
PLS
LD
SET
LD
PLS
LD
SET
LD
RST
PLF
LD
LD
0
1
1
4
5
5
8
9
9
6
3
0
X
M
M
M
M
Y
M
Y
M
Y
X
Y
X
Usages for INV
•
Use the invert instruction to quickly change the logic of a complex circuit.
It is also useful as an inverse operation for the pulse contact instructions LDP, LDF,
ANP, etc.
ANP, etc.