Mitsubishi Electric FX3G SERIES User Manual

234
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
8 Program Flow – FNC 00 to FNC 09
8.5 FNC 04 – EI / Enable Interrupt
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 V Z Modify K H 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 Electric FX3G SERIES Specifications

General

Model	FX3G SERIES
Input Voltage	100-240 VAC or 24 VDC
Protection Class	IP20
Programming Language	Instruction List
Communication Ports	RS-422, RS-485, USB
Execution Speed	0.21 μs/basic instruction
High-speed Processing	Yes
Analog I/O	Optional (via expansion boards)
Expansion Modules	Yes
Operating Temperature	0°C to 55°C
Type	Programmable Logic Controller (PLC)