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5 Basic Instruction
5.12 MC, MCR
87
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
1
O
utlin
e
2
Instruc
tion Li
st
3
Configurati
on of 
Instruction
4
Ho
w t
o R
ea
Explanati
on of 
Ins
truction
s
5
B
asic
 Instruction
6
Step Ladder 
Instruct
ions
7
Ap
pl
ied Inst
ruct
io
ns 
(Program Flow)
8
Appl
ied
 In
stru
cti
ons 
(Mov
e and 
C
omp
are)
9
App
lie
d Instr
uction
(Ari
thm
eti
c and
 
Lo
gic
al O
per
at
ion)
10
App
lied Inst
ructi
ons 
(Rot
ati
on and 
Shift O
perati
on)
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".
FX
3U(C)
FX
3G(C)
FX
3S
FX
2N(C)
FX
1N(C)
FX
1S
FX
U
/FX
2C
FX
0N
FX
0(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
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modifier K
H
E
"
"
P
MC
z
S1
MCR
There are no applicable devices.
MC
EN
ENO
d
n
MCR
EN
ENO
n