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MELSEC iQ-F series
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Programmable Controller
MELSEC IQ-F SERIES

The next level of industry

The Mitsubishi Electric MELSEC-F series has undergone many advancements, making way for the next generation MELSEC iQ-F Series, with enhanced high speed bus, expanded built-in functions, advanced SSCNET III/H support, and improved engineering environment with parameter settings in GX Works3 engineering software.
From standalone use to networked system application, MELSEC iQ-F takes your business to the next level.


Overview


Awarded the iF Design Award in 2016!

The German design award iF Design Award has a tradition of over 60 years and recognized all over the world. Next generation PLC MELSEC iQ-F series, developed from the user perspective to provide improved visual verification and prevent operation mistakes, was awarded the iF Design Award in 2016!


Concept 
Designed on the concepts of outstanding performance, superior drive control and user centric programming, Mitsubishi's MELSEC-F Series has been reborn as the MELSEC iQ-F Series.From standalone use to networked system applications, MELSEC iQ-F Series brings your business to the next level of industry.


New micro PLC designed on the concepts of ...




High-speed system bus
Extensive built-in functions
Enhanced security functions
Battery-less



Easy built-in positioning (4-axis 200 Kpps)
Simple interpolation functions
4-axis synchronous control with simple motion 
module (dedicated positioning software not needed)



Easy programming by drag and drop
Reduced development time with module FB
Parameterized setup for a variety of function

Advanced Built-in Functions



CPU Performance

MELSEC iQ-F is powered by a high speed CPU that can execute the LD instruction in 34 ns. Furthermore, MELSEC iQ-F can execute structured programs, execute multiple programs and handle ST language and function blocks.


Built-in Ethernet Port

The Ethernet communication port can handle communication of up to 8 connections on the network, and can support multiple connections with personal computer and other device. In addition, the Ethernet communication port can handle seamless SLMP communication with the upper-level device.


Built-in RS-485 port
(MODBUS® function)

Connect to serial devices up to 50 m away with built-in RS-485 port. Control for up to 16 Mitsubishi inverters is possible with dedicated six inverter communication instructions.
MODBUS is also supported and can connect up to 32 MODBUS devices such as PLCs, sensors and temperature controllers.


Built-in Analog 
Input/Output
(with alarm output)



Example of inverter control using analog output

FX5U is equipped with 12-bit 2 ch analog input and 1 ch analog output.
With parameter setup, no programming is required.
Value shifting, scaling and alarm output can also be set easily with parameters.

Note: Only FX5U Built-in Analog Input/Output.

Built-in SD Memory Card Slot



Example of mass-production of equipment using SD memory card

A built-in SD memory card slot is convenient for updating the program and mass production of equipment.
Data can be logged in SD memory card, making it easy to analyze the system status and production state, etc.

Security

MELSEC iQ-F has advanced security functions ( file password, remote password, security key) to prevent data theft and illegal operations by unauthorized persons.


Example of security key function

High-speed System 
Bus Communication

High-speed system bus communication at 1.5 K words/ms (approximately 150 times faster compared with FX3U), together with high speed CPU, allows MELSEC iQ-F to output maximum performance even when heavy data communication intelligent function modules are used.

RUN/STOP/RESET Switch

RUN/STOP/RESET switch is built in.
PLC can be rebooted without turning off the main power for efficient debugging.

Battery-less and
Maintenance-free

MELSEC iQ-F series holds programs and devices in nonvolatile memory such as flash ROM, and does not require a battery.
*: It is possible to increase the capacity of held devices by using an optional battery.

 

Product Lineup

CPU module
All-in-one power supply, CPU, and I/O main unit. Built-in features include high-speed counters, positioning outputs, Ethernet, and SD card slot.

 


I/O module
Both I/O modules with built-in power supply and without power supply available in various I/O sizes and configurations.

 


Analog Control module
Options for analog inputs and outputs, temperature sensor inputs, and temperature control. FX3 series analog intelligent function modules can also be connected.

 


High-Speed Counting module
High speed counter modules. FX3 series high speed counter module can also be connected.

 


Simple motion/Positioning Control module
Simple motion module supporting SSCNET III/H. FX3 series pulse output modules can also be connected.

 


Network/Communication module
RS-232, RS-485, RS-422 communication modules. FX3 series CC-Link master module can also be connected.

 


Option
Bus conversion module, power supply, battery lineup.

 


Specification

Lineup

FX5U (Screw terminal type): 12 models
FX5UC (Connector type): 6 models
FX5UC (Spring clamp terminal type): 2 models

Control method

Stored program cyclic operation

I/O control mode

Refresh mode

Programming language

Ladder diagram
Structured text (ST)
Function block diagram (FBD/LD)
Function block (FB)

Engineering environment

MELSOFT GX Works3

Program size (K step)

64

Number of I/O points [X/Y] (point)

256

Device/label memory/ standard RAM (K byte)

120

Data memory/ standard ROM (byte)

5 M

Processing speed

LD instruction (ns)

34

MOV instruction (ns)

34

Floating point addition (µs)

3.06

Memory interface

Extended SRAM cassette

SD memory card

SRAM card, FLASH card, ATA card

External interface

USB

Ethernet
(1000BASE-T*7/
 100BASE-TX/
 10BASE-T)

RS-232

RS-422/485

Display unit

CC-Link IE connection port

Ethernet
(1000BASE-T/
 100BASE-TX/
 10BASE-T)

Network connectivity (adapter/module)

Ethernet
(1000BASE-T*13/
 100BASE-TX/
 10BASE-T)

CC-Link IE Control

CC-Link IE Field

CC-Link

CC-Link/LT

SSCNET /H

AnyWire

BACnet™

MODBUS®/TCP

MODBUS®

General specifications/conformed standards

Operating ambient temperature

0...55*20

International safety standards
(ISO 13849-1 PL e, 
 IEC 61508 SIL 3)

Standard on corrosive atmosphere
(JIS C60721-3-3/
 IEC60721-3-3 3C2)

CE: Council Directive of the European Communities

UL: Underwriters Laboratories Listing

LR: Lloyd's Register of Shipping approval

DNV: Norwegian Maritime approval

RINA: Italian Maritime approval

NK: ClassNK approval

ABS: American Bureau of Shipping approval

BV: Bureau Veritas approval

GL: Germanischer Lloyd approval

Key features/functions

Machine control
Distributed control
Small-scale I/O control
Space/cost saving
Security
Integrated network
Extensive built-in functions
Data logging
Motion control

*1: Supports redundant system when paired with R6RFM
*2: SFC is not supported in redundant mode and by safety CPU
*3: Q□UDVCPU only
*4: When using CW Workbench
*5: Does not support QnUDVCPU and certain models
*6: Does not support L02SCPU(-P)
*7: Supports the user Ethernet port of Q24DHCCPU-V/VG/LS and Q26DHCCPU-LS only
*8: Supports Q□UDE(H)CPU and Q□UDVCPU only
*9: Does not support Q□UDE(H)CPU and Q□UDVCPU
*10: Supports L02SCPU(-P) only
*11: Supports FX3G only
*12: R□ENCPU only
*13: Supports the MELSEC iQ-R Series only.
*14: Supported by expansion board
*15: Does not support Q□(P)(H)CPU and Q□PRHCPU
*16: Supports SSCNET

*17: Only supported when used together with extended temperature range main/extension base units
*18: R□SFCPU-SET only.
*19: For protection against aggressive atmosphere and gases, products with a conformal coating (JIS C 60721-3-3/IEC 60721-3-3 Class 3C2) are available on request
*20: Operating ambient temperature from -20
is supported by products produced from June 2016 (serial number "166" or later). For details, on supported products, please refer to the relevant product manual.

 

Selection Tool

- Product Comparison

Series

Compact type

Compact type


MELSEC iQ-F


MELSEC-F

Programmable controller CPU

Programmable controller CPU

FX5U/FX5UC

FX3S

FX3G/FX3GC

FX3U/FX3UC

Lineup

FX5U (Screw terminal type): 12 models
FX5UC (Connector type): 6 models
FX5UC (Spring clamp terminal type): 2 models

FX3S: 27 models

FX3G: 24 models
FX3GC: 2 models

FX3U: 37 models
FX3UC: 12 models

Control method

Stored program cyclic operation

Stored program cyclic operation

I/O control mode

Refresh mode

Refresh mode

Programming language

Ladder diagram
Structured text (ST)
Function block diagram (FBD/LD)
Function block (FB)

Ladder diagram
Structured text (ST)
SFC for FX Series
Function block (FB)

Engineering environment

MELSOFT GX Works3

MELSOFT GX Works2

Program size (K step)

64

4

32

64

Number of I/O points [X/Y] (point)

256

30

128

256

Device/label memory/ standard RAM (K byte)

120

Data memory/ standard ROM (byte)

5 M

Processing speed

LD instruction (ns)

34

210

210

65

MOV instruction (ns)

34

520

520

640

Floating point addition (µs)

3.06

11.96

11.96

14.2

Memory interface

Extended SRAM cassette

*11

SD memory card

SRAM card, FLASH card, ATA card

External interface

USB

*14

Ethernet
(1000BASE-T*7/
 100BASE-TX/
 10BASE-T)

RS-232

RS-422/485

Display unit

*11

CC-Link IE connection port

Ethernet
(1000BASE-T/
 100BASE-TX/
 10BASE-T)

Network connectivity (adapter/module)

Ethernet
(1000BASE-T*13/
 100BASE-TX/
 10BASE-T)

CC-Link IE Control

CC-Link IE Field

CC-Link

CC-Link/LT

SSCNET /H

*16

AnyWire

BACnet™

MODBUS®/TCP

MODBUS®

General specifications/conformed standards

Operating ambient temperature

0...55*20

0...55

0...55

0...55

International safety standards
(ISO 13849-1 PL e, 
 IEC 61508 SIL 3)

Standard on corrosive atmosphere
(JIS C60721-3-3/
 IEC60721-3-3 3C2)

CE: Council Directive of the European Communities

UL: Underwriters Laboratories Listing

LR: Lloyd's Register of Shipping approval

DNV: Norwegian Maritime approval

RINA: Italian Maritime approval

NK: ClassNK approval

ABS: American Bureau of Shipping approval

BV: Bureau Veritas approval

GL: Germanischer Lloyd approval

Key features/functions

Machine control
Distributed control
Small-scale I/O control
Space/cost saving
Security
Integrated network
Extensive built-in functions
Data logging
Motion control

Machine control
Small-scale I/O control
Space/cost saving
Motion control

*1: Supports redundant system when paired with R6RFM
*2: SFC is not supported in redundant mode and by safety CPU
*3: Q□UDVCPU only
*4: When using CW Workbench
*5: Does not support QnUDVCPU and certain models
*6: Does not support L02SCPU(-P)
*7: Supports the user Ethernet port of Q24DHCCPU-V/VG/LS and Q26DHCCPU-LS only
*8: Supports Q□UDE(H)CPU and Q□UDVCPU only
*9: Does not support Q□UDE(H)CPU and Q□UDVCPU
*10: Supports L02SCPU(-P) only
*11: Supports FX3G only
*12: R□ENCPU only
*13: Supports the MELSEC iQ-R Series only.
*14: Supported by expansion board
*15: Does not support Q□(P)(H)CPU and Q□PRHCPU
*16: Supports SSCNET

*17: Only supported when used together with extended temperature range main/extension base units
*18: R□SFCPU-SET only.
*19: For protection against aggressive atmosphere and gases, products with a conformal coating (JIS C 60721-3-3/IEC 60721-3-3 Class 3C2) are available on request
*20: Operating ambient temperature from -20
is supported by products produced from June 2016 (serial number "166" or later). For details, on supported products, please refer to the relevant product manual.

Others

Application examples (videos)

Inverter Control


Servo Control


Analog Control


Network Control

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