Mitsubishi FX1N Series Programming Manual

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.
- Usage is the same as for AND and ANI; see earlier.
Mnemonic Function Format Devices Program steps
INV
(Inverse)
Invert the current
result of the
internal PLC
operations
N/A 1
FX 1S
FX1N FX2N
FX2NC
X0
PLS M0
M0
SET Y0
X1
PLF M1
M1
RST Y0
0
0
0
1
1
1
0
LD
PLS
LD
SET
LD
RST
PLF
LD
0
1
4
5
8
9
6
3
0
X
M
M
M
Y
M
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.

Mitsubishi FX1N Series Specifications

General

Programming Language	Ladder Logic
Output Type	Relay, Transistor
Operating Temperature	0 to 55°C
Power Supply	100-240V AC or 24V DC
Program Capacity	8K steps
Communication Ports	RS-422
Data Memory	8000 words
High-speed Counters	Up to 6 channels
Expansion Modules	Available
Pulse Output	2 points