Mitsubishi Electric MELSEC FX Series - 2. Instruction List; 2.1 Basic Instructions

2 Instruction List
2.1 Basic Instructions
27
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
1
Outline
2
Instruction List
3
Configuration of Instruction
4
How to Read Explanation of Instructions
5
Basic Instruction
6
Step Ladder Instructions
7
Applied Instructions
8
Interrupt Function and Pulse Catch Function
A
Relationships between devices and addresses
2. Instruction List
This chapter introduces a list of instructions available in programming.
2.1 Basic Instructions
*1. The instruction is provided in the FX3U and FX3UC PLCs Ver. 2.30 or later.
Instruction name Function
Applicable PLCs
Reference
FX3U(C)
FX3G
FX2N(C) FX1N(C)
FX1S
FXU/FX2C
FX0N
FX0(S)
LD
Initial logical operation contact type NO
(normally open)
33333333Section 5.1
LDI
Initial logical operation contact type NC
(normally closed)
AND Serial connection of NO contacts
ANI Serial connection of NC contacts
OR Parallel connection of NO contacts
ORI Parallel connection of NC contacts
LDP Initial logical operation of rising edge pulse
33333 Section 5.2
LDF Initial logical operation of falling edge pulse
ANDP Serial connection of rising edge pulse
ANDF Serial connection of falling edge pulse
ORP Parallel connection of rising edge pulse
ORF Parallel connection of falling edge pulse
OUT Coil drive 33333333Section 5.3
OUT_T Timer drive 33333333Section 5.4.1
OUT_C
Counter drive 33333333Section 5.5.1
OUT_C_32
AND(
···)
Serial connection of circuit block
33333333Section 5.6
OR(
···)
Parallel connection of circuit block
MPS Stack pushdown
33333333Section 5.7MRD Stack read
MPP Stack popup
INV
Invert the current result of the internal PLC
operations
33333 Section 5.8
MEP
Conversion of operation result to leading edge
pulse
*1 3 Section 5.9
MEF
Conversion of operation result to trailing edge
pulse
SET Set bit device latch ON
33333333Section 5.10
RST
Reset bit device OFF and clear current value and
resister
PLS Rising edge pulse differential output
33333333Section 5.11
PLF Falling edge pulse differential output
MC Connection to common contact
33333333Section 5.12
MCR Clear connection to common contact
END Program END, I/O refresh and return to step 0 33333333Section 5.13
NOP No operation or null step Section 5.14