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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
7 Basic Instruction
1
Introduction
2
Overview
3
Instruction
List
4
Devices
in Detail
5
Specified the
Device &
Constant
6
Before
Programming
7
Basic
Instruction
8
FNC00-FNC09
Program Flow
9
FNC10-FNC19
Move & Compare
10
FNC20-FNC29
Arith. & Logic
Operation
Connection Instruction
ANB AND Block
Serial connection of multiple
parallel circuits
− Section 7.7
ORB OR Block
Parallel connection of
multiple contact circuits
− Section 7.6
MPS
Memory Point
Store
Stores the current result of
the internal PLC operations
−
Section 7.8
MRD Memory Read
Reads the current result of
the initial PLC operations
Section 7.8
MPP Memory POP
Pops (recalls and removes)
the currently stored result
Section 7.8
INV Inverse
Invert the current result of
the internal PLC
operations
− Section 7.10
MEP MEP
Conversion of
operation result
to leading edge pulse
− Section 7.11
MEF MEF
Conversion of
operation result
to trailing edge pulse
− Section 7.11
Out Instruction
OUT OUT
Final logical operation type
coil drive
Y,M,S,D.b,T,C Section 7.2
SET SET Set bit device latch ON Y,M,S,D.b Section 7.13
RST Reset Reset bit device OFF
Y,M,S,D.b,T,C,
D,R,V,Z
Section 7.13
PLS Pulse Rising edge pulse Y,M Section 7.12
PLF Pulse Falling Falling/trailing edge pulse Y,M Section 7.12
Master Control Instruction
MC Master Control
Denotes the start of a master
control block
Y,M Section 7.9
MCR
Master Control
Reset
Denotes the end of a master
control block
− Section 7.9
Other Instruction
NOP No Operation No operation or null step − Section 7.14
End Instruction
END END
Program end, I/O refresh and
return to step 0
− Section 7.15
Mnemonic Name Symbol Function Applicable devices
Reference
MPS
MRD
MPP
INV
Applicable devices
SET Applicable devices
RST Applicable devices
PLS Applicable devices
PLF Applicable devices
Applicable devicesMC N
MCR
N
END