Mitsubishi FX3U Series Programming Manual

229
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
8 Program Flow – FNC 00 to FNC 09
8.5 FNC 04 – EI / Enable Interrupt
1
Introduction
2
Overview
3
Instruction List
4
Devices in Detail
5
Specified the Device & Constant
6
Before Programming
7
Basic Instruction
8
FNC00-FNC09 Program Flow
9
FNC10-FNC19 Move & Compare
10
FNC20-FNC29 Arith. & Logic Operation
8.5 FNC 04 – 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.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
EI instruction is the independent type, and does not require command (drive) contact.
→ For the interrupt function, refer to Chapter 36.
Operand type Description Data type
– There is no set data. –
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD.b KnX KnY KnM KnS T C D R U\G VZModifyKH E ""P
– There are no applicable devices.
FNC 04
EI
EI
Mnemonic Operation Condition
Continuous
Operation
Independent Inst.
1 step
This instruction is the independent type, and
does not require drive contact.

Mitsubishi FX3U Series Specifications

General

Brand	Mitsubishi
Model	FX3U Series
Category	Controller
Language	English