Справочник Пользователя для Mitsubishi Electronics FXCPU
7 Applied Instructions (Program Flow)
7.6 EI / Enable Interrupt
121
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
1
O
utlin
e
e
2
Instruc
tion Li
st
3
Configurati
on of
Instruction
4
Ho
w t
o R
ea
d
Explanati
on of
Ins
truction
truction
s
5
B
asic
Instruction
6
Step Ladder
Instruct
ions
7
Ap
pl
ied Inst
ruct
io
io
ns
(Program Flow)
8
Appl
ied
ied
In
stru
cti
cti
ons
(Mov
e and
C
omp
are)
are)
9
App
lie
lie
d Instr
uction
s
s
(Ari
thm
eti
thm
eti
c and
Lo
gic
al O
per
at
ion)
10
App
lied Inst
lied Inst
ructi
ons
ons
(Rot
ati
ati
on and
Shift O
perati
on)
7.6
EI / Enable Interrupt
Outline
Interrupts are usually disabled in PLCs. This instruction enables interrupts in PLCs.
Use this instruction for using the input interrupt, timer interrupt and counter interrupt functions.
Use this instruction for using the input interrupt, timer interrupt and counter interrupt functions.
1. Format and operation, execution form
2. Set data
3. Applicable devices
Function and operation explanation
EI instruction is the independent type, and does not require command (drive) contact.
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
Operation
Execution
form
Expression in each language
Structured ladder/FBD
ST
EI
16 bits
Continuous
EI(EN);
Variable
Description
Data type
Input
variable
variable
EN
Input condition
Always TRUE
Output
variable
variable
ENO
Input status
Bit
Operand
type
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
-
No target device is available.
EI
EN
ENO