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5 Basic Instruction
5.12 MC, MCR
87
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)
5.12 MC, MCR
Outline
When MC instruction is executed, instructions from MC to MCR are executed.
Thereby, efficient ladder switching sequence programs can be created.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
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
MC Continuous MC(EN,n,d);
MCR Continuous MCR(EN,n);
Variable Description Data type
Input
variable
EN Execution condition
MC: Bit
MCR: Always TRUE
Nesting level (0 to 7)
When adopting a nesting structure, use it in order of 0 → 1 →
2 → 3 → 4 → 5 → 6 → 7. If not adopting a nesting structure,
it is always "0".
ANY16
Output
variable
ENO Execution state Bit
Device number to be turned ON when executing the MC
instruction.
Bit
Instruction
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index
Constant
Real
Number
Character
String
Pointer
XY M TCS
D
.b
KnX KnY KnM KnS T C D R
U\G
VZModifier K H E
"
"
P
MC
z
S1
MCR There are no applicable devices.
MC
EN ENO
d
n
MCR
EN ENO
n