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5 Basic Instruction
5.7 MPS, MRD, MPP
73
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)
5.7 MPS, MRD, MPP
Outline
These PLCs have 11 memories called "Stack" which store the intermediate result (ON or OFF) of operations.
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
MPS Continuous MPS(EN);
MRD Continuous MRD(EN);
MPP Continuous MPP(EN);
Variable Description Data type
Input
variable
EN Execution condition
MPS: Bit
MRD, MPP: Always TRUE
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
MPS
There are no applicable devices.MRD
MPP
MPS
EN ENO
MRD
EN ENO
MPP
EN ENO