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5 Basic Instruction
5.9 MEP, MEF
79
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
(Program Flow)
8
Applied Instructions
(Move and
Compare)
9
Applied Instructions
(Arithmetic and
Logical Operation)
10
Applied Instructions
(Rotation and
Shift Operation)
5.9 MEP, MEF
Outline
MEP and MEF commands are instructions that change the operation results to pulses so that device numbers
do not have to be specified.
1) MEP
The operation results up to the MEP instruction become conductive when the driving contacts turn ON
from OFF.
The use of MEP instructions simplifies the process of changing driving contacts to pulses when multiple
contact points connect in a series.
2) MEF
The operation results up to the MEF instruction become conductive when the driving contacts turn OFF
from ON.
The use of MEF instructions simplifies the process of changing driving contacts to pulses when multiple
contact points connect in a series.
1. Format and operation, execution form
2. Set data
3. Applicable devices
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Execution
form
Expression in each language
Structured ladder/FBD ST
MEP Pulse MEP(EN);
MEF Pulse MEF(EN);
Variable Description Data type
Input
variable
EN Execution condition Bit
Output
variable
ENO Execution state Bit
Instruction
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index
Constant
Real
Number
Character
String
Pointer
XYMTCS
D.b
KnX KnY KnM KnS T C D R
U\G
VZModifier K H E
""
P
MEP
There are no applicable devices.s
MEF
MEP
EN ENO
MEF
EN ENO