Mitsubishi FX1N Series Programming Manual

FX Series Programmable Controllers Basic Program Instructions 2
2-22
2.19 No Operation
Basic points to remember:
- Writing NOP instructions in the middle of a program minimizes step number changes
when changing or editing a program.
- It is possible to change the operation of a circuit by replacing programmed instructions
with NOP instructions.
- Changing a LD, LDI, ANB or an ORB instruction with a NOP instruction will change the
circuit considerably; quite possibly resulting in an error being generated.
- After the program ‘all clear operation’ is executed, all of the instructions currently in the
program are over written with NOPs.
Mnemonic Function Format Devices Program steps
NOP
(No Operation)
No operation or
null step
N/A N/A 1
FX1S
FX1N FX2N
FX2NC

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