Mitsubishi FX1S Series User 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 FX1S Series Specifications

General

Model	FX1S Series
I/O Points	10 to 30 points
Program Memory	2000 steps
Power Supply	AC
Communication	RS-422
Expansion	No expansion
Programming Language	Ladder Logic
Input Voltage	100-240V AC
Built-in High-Speed Counter	Up to 60 kHz (single-phase)
Weight	Approx. 0.3 kg
Dimensions	90 x 60 x 75 mm