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Transition from MELSEC FX3U, FX3UC Series to
MELSEC iQ-F Series Handbook

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   Summary of Contents for Mitsubishi MELSEC FX3U Series

  • Page 1

    Transition from MELSEC FX3U, FX3UC Series to MELSEC iQ-F Series Handbook...

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS (Read these precautions before use.) Before using this product, please read this manual and the relevant manuals introduced in this manual carefully and pay full attention to safety in order to handle the product correctly. This manual classifies the safety precautions into two categories: WARNING and CAUTION.

  • Page 4

    [DESIGN PRECAUTIONS] CAUTION ● When an inductive load such as a lamp, heater, or solenoid valve is controlled, a large current (approximately ten times greater than normal) may flow when the output is turned from off to on. Take proper measures so that the flowing current dose not exceed the value corresponding to the maximum load specification of the resistance load.

  • Page 5

    [INSTALLATION PRECAUTIONS] CAUTION ● Do not touch the conductive parts of the product directly. Doing so may cause device failures or malfunctions. ● When drilling screw holes or wiring, make sure that cutting and wiring debris do not enter the ventilation slits of the PLC.

  • Page 6

    [WIRING PRECAUTIONS] WARNING ● Make sure to cut off all phases of the power supply externally before attempting installation or wiring work. Failure to do so may cause electric shock or damage to the product. ● Make sure to attach the terminal cover, provided as an accessory, before turning on the power or initiating operation after installation or wiring work.

  • Page 7

    [WIRING PRECAUTIONS] CAUTION ● Do not supply power to the [24+] and [24V] terminals (24 V DC service power supply) on the CPU module or extension modules. Doing so may cause damage to the product. ● Perform class D grounding (grounding resistance: 100 Ω or less) to the grounding terminal on the CPU module or extension modules with a wire 2 mm or thicker.

  • Page 8

    ● Do not disassemble or modify the PLC. Doing so may cause fire, equipment failures, or malfunctions. For repair, contact your local Mitsubishi Electric representative. ● After the first use of the SD memory card, do not insert/remove the memory card more than 500 times.

  • Page 9

    [DISPOSAL PRECAUTIONS] CAUTION ● Please contact a certified electronic waste disposal company for the environmentally safe recycling and disposal of your device. ● When disposing of batteries, separate them from other waste according to local regulations. For details of the Battery Directive in EU countries, refer to the User's Manual (Hardware) for the CPU module to be used.

  • Page 10: Introduction

    • Since the examples indicated by this manual, technical bulletin, catalog, etc. are used as a reference, please use it after confirming the function and safety of the equipment and system. Mitsubishi Electric will accept no responsibility for actual use of the product based on these illustrative examples.

  • Page 11

    MEMO...

  • Page 12: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ..............1 INTRODUCTION .

  • Page 13

    INDEX REVISIONS................54 WARRANTY .

  • Page 14: Relevant Manuals

    RELEVANT MANUALS MELSEC iQ-F Series Manual name <manual number> Description MELSEC iQ-F FX5 User's Manual (Startup) Performance specifications, procedures before operation, and troubleshooting of the <JY997D58201> CPU module. MELSEC iQ-F FX5U User's Manual (Hardware) Describes the details of hardware of the FX5U CPU module, including input/output <JY997D55301>...

  • Page 15

    MELSEC FX3U/FX3UC Series Manual name <manual number> Description FX3U Series User's Manual [Hardware Edition] Describes hardware of FX3U Series, including input/output specifications, <JY997D16501> wiring, installation and maintenance. FX3UC Series User's Manual [Hardware Edition] Describes hardware of FX3UC Series, including input/output specifications, <JY997D28701>...

  • Page 16: Terms

    TERMS Unless otherwise specified, this manual uses the following terms. For details on the FX3 devices that can be connected with the FX5, refer to User's Manual (Hardware) of the CPU module to be used. Terms Description ■Devices Generic term for FX5U and FX5UC PLCs Generic term for FX3S, FX3G, FX3GC, FX3U, and FX3UC PLCs FX5 CPU module Generic term for FX5U CPU module and FX5UC CPU module...

  • Page 17

    Abbreviation of Secure Digital Memory Card. Device that stores data using flash memory. Peripheral device Generic term for engineering tools and GOTs Generic term for Mitsubishi Electric Graphic Operation Terminal GOT1000 and GOT2000 series ■Software packages Engineering tool The product name of the software package for the MELSEC programmable controllers...

  • Page 18: Chapter 1 Outline

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

  • Page 19: Substitute Models

    ■Main programming languages supported The main IEC languages are supported by GX Works3. Various different programming languages can be used within the same project simultaneously, and the labels and devices used in each program can be shared. Substitute Models The recommended substitute models (MELSEC iQ-F Series) introduced in this manual are general substitute models considered from the number of input/output points, program capacity, product and input/output terminal type (terminal block/ connector etc.).

  • Page 20: Chapter 2 Replacement From Fx3u To Fx5u

    Replacement from FX3U to FX5U Outline FX5U, which is the successor model of the FX3U, is equipped with analog functions, communication and high-speed input/ output etc., and can easily be expanded with expansion boards and expansion adapters. The high-speed system bus communication brings out the maximum performance of extension modules equipped with intelligent functions.

  • Page 21: Selection Of Substitute Models

    Selection of Substitute Models Recommended Substitute Models Recommended Substitute Models for CPU Modules The recommended substitute models of FX5U compatible with FX3U are introduced. Please consider to replace the currently used CPU modules to the following recommended substitute models. ■FX3U and recommended substitute models list (CPU modules) FX3U Series Recommended Substitute Models Special notes...

  • Page 22

    FX3U Series Recommended Substitute Models Special notes Device name Model name Model name CPU module FX3U-64MT/DS FX5U-64MT/DS FX3U-64MT/DSS FX5U-64MT/DSS FX3U-80MR/DS FX5U-80MR/DS FX3U-80MT/DS FX5U-80MT/DS FX3U-80MT/DSS FX5U-80MT/DSS FX3U-32MR/UA1 No recommended substitute models FX3U-64MR/UA1 No recommended substitute models Recommended Substitute Models for Extension Devices The following list shows the extension devices that will be necessary to replace simultaneously when replacing the CPU module from FX3U to FX5U.

  • Page 23

    Extension device Recommended Substitute Models Special notes Device name Model name Model name Extension I/O FX2N-48ER-D FX5-32ER/DS+FX5-16ER/ES FX2N-48ER-DS FX5-32ER/DS+FX5-16ER/ES FX2N-48ET-D FX5-32ET/DS+FX5-16ET/ES FX2N-48ET-DSS FX5-32ET/DSS+FX5-16ET/ESS FX2N-48ER-UA1/UL No recommended substitute models Extension device FX3U-1PSU-5V FX5-1PSU-5V FX2N-5A FX3U-4AD+FX3U-4DA FX2N-2AD FX3U-4AD FX2N-8AD FX5-8AD The wiring must be replaced from the screw terminal block to the spring clamp terminal block.

  • Page 24

    Extension device Recommended Substitute Models Special notes Device name Model name Model name Expansion adapter FX3U-232ADP(-MB) FX5-232ADP FX3U-485ADP(-MB) FX5-485ADP FX3U-ENET-ADP No recommended substitute models Ethernet port is built into FX5U CPU module. FX3U-3A-ADP FX5-4AD-ADP+FX5-4DA-ADP FX3U-4AD-ADP FX5-4AD-ADP FX3U-4DA-ADP FX5-4DA-ADP FX3U-4AD-PT-ADP FX5-4AD-PT-ADP FX3U-4AD-PTW-ADP No recommended substitute models FX3U-4AD-PNK-ADP...

  • Page 25: Precautions Regarding The Hardware

    Precautions Regarding the Hardware Comparison of FX3U and FX5U and Precautions for Replacement The following list shows precautions of the hardware. Check details in the manuals of each model when replacing. ■Difference and precautions regarding the main hardware of FX3U and FX5U Item Difference Precautions...

  • Page 26: Conversion Of The Projects

    • FX5U External color: Munsell 0.6B7.6/0.2 2-4.5-diam mounting hole (32M) Unit: mm 4-4.5-diam mounting hole (64M, 80M) The terminal block uses M3 terminal There is no mounting hole * for 32M. screws 35 mm width DIN rail can be installed W1 (mounting hole pitch) Model name W: mm...

  • Page 27: Chapter 3 Replacement From Fx3uc To Fx5uc

    Replacement from FX3UC to FX5UC Outline FX5UC, the successor model of FX3UC, has compact and easy-to-use compatible extension modules, which makes downsizing of various devices possible. Connect to the FX5 and FX3 extension modules with the variety of conversion modules available. The procedures and points for replacing to the successor model FX5UC are shown below.

  • Page 28

    Selection of Substitute Models Recommended Substitute Models Recommended Substitute Models for CPU Modules The recommended substitute models of FX5UC compatible with FX3UC are introduced below. Please consider to replace the currently used CPU modules to the following recommended substitute models. ■FX3UC and recommended substitute models list (CPU modules) FX3UC Series Recommended Substitute Models...

  • Page 29

    Recommended Substitute Models for Extension Devices The following list shows the extension devices that will be necessary to replace simultaneously when replacing the CPU module from FX3UC to FX5UC. For products without a substitute model of the same function, check the contents described in the Special notes and please consider system reconfiguration.

  • Page 30

    Extension device Recommended Substitute Models Special notes Device name Model name Model name Extension device FX2NC-1HC FX3U-2HC The European terminal block must be replaced to the 40-pin connector. FX3UC-4AD FX3U-4AD The wiring must be replaced from the European terminal block to the screw terminal block. FX2N-5A FX3U-4AD+FX3U-4DA FX2N-2AD...

  • Page 31

    Extension device Recommended Substitute Models Special notes Device name Model name Model name Option FX2NC-CNV-IF FX5-CNV-IFC FX3UC-1PS-5V FX5-C1PS-5V FX3U-FLROM-16 No recommended substitute models Substituted by an SD card. FX3U-FLROM-64 No recommended substitute models Substituted by an SD card. FX3U-FLROM-64L No recommended substitute models Substituted by an SD card.

  • Page 32

    ■External dimension drawing There is some difference in the external dimension of FX3UC and the successor model FX5UC. Be careful when replacing the modules. • FX3UC External color: Munsell 0.08GY/7.64/0.81 Unit: mm 35 mm width DIN rail can be installed [Accessories] FX2NC-100MPCB power cable FX2NC-100BPCB power cable (only FX3UC-MT/D)

  • Page 33

    ■Cable sizes for European type terminal block Suitable wiring and tightening torque are described below. Wire size for Wire size for Wire ferrule with Tightening Stripping dimensions of one wire two wires insulation sleeve torque electric wire ends (wire size) Built-in RS-485 communication AWG22 to AWG22...

  • Page 34: Chapter 4 Conversion Of The Projects

    Conversion of the Projects When converting the projects of FX3U/FX3UC to MELSEC iQ-F project, perform the conversion by using GX Works3. After converting the projects, it may be necessary to adjust the programs (instructions, devices) and parameters. Operation Method for Replacing Projects For converting the projects of FX3U/FX3UC to MELSEC iQ-F, perform by using GX Works3.

  • Page 35

    Operating procedure Start up GX Works3. Open the project of FX3U/FX3UC. Select [Project][Open Other Format File][GX Works2 Format][Open Project]Project (***.gxw). The following message is shown. After checking the contents, press the [OK] button. • The display contents may vary depending on the version of the software. •...

  • Page 36

    When conversion is completed, the following message is shown. Check the contents of the model change result in the “Output window”. Output window Set the converted program to “Scan”. (In GX Works3 version 1.025B or later, the converted program is set to “Scan”.) The converted program is stored in “No Execution Type”.

  • Page 37

    • When setting “Scan” by parameter [CPU parameter]”Program setting””Program setting””Detail setting”Program Name Set the program. Precautions • The program must be changed from “No Execution Type”. (Change to Scan, etc.) • The program instructions and devices may have changed. Check the contents of the project. Also, the parameters will be deleted.

  • Page 38: Precautions When Converting The Projects

    Precautions when Converting the Projects • When converting projects of the FX3 Series using GX Works3, be careful because the program (instructions and devices) may be changed. • When converting projects, the number of steps may increase and writing to the FX5 CPU module may be impossible. Check the number of steps after replacement.

  • Page 39

    FX3 Series → MELSEC iQ-F Remarks → IVCK IVCK SM4095 is added to parameters of instructions. Change to an → IVDR IVDR appropriate device or label. IVRD → IVRD → IVWR IVWR IVBWR → IVBWR → IVMC IVMC ADPRW → ADPRW →...

  • Page 40

    Precautions When inline ST is used with the ladder program, instructions and devices can be replaced like ST programs. However, readout of the program may fail depending on the following conditions. • If a syntax error exists • If the program exceeds 2048 characters If there is an instruction that is not supported by the MELSEC iQ-F Series in the program created using GX Works2, the instruction will be changed to the instruction using SM4095/SD4095.

  • Page 41

    FX3 Series → MELSEC iQ-F Remarks →  BKCMP> BKCMP_GT →  BKCMP>P BKCMP_GTP  DBKCMP> → DBKCMP_GT →  DBKCMP>P DBKCMP_GTP BKCMP< → BKCMP_LT  →  BKCMP<P BKCMP_LTP DBKCMP< → DBKCMP_LT  →  DBKCMP<P DBKCMP_LTP BKCMP<> → BKCMP_NE ...

  • Page 42

    → FX3 Series MELSEC iQ-F Remarks ORD< → ORD_LT  →  OR<> OR_NE ORD<> → ORD_NE  →  OR<= OR_LE  ORD<= → ORD_LE →  OR>= OR_GE →  ORD>= ORD_GE IVCK → IVCK SM4095 is added to parameters of instructions.

  • Page 43

    ■Instructions that are not supported by GX Works3 The following instructions are not supported by GX Works3. The instructions are left as is when converting the projects, but an error will occur when compiling. Instruction list OUT_C_32 PLSR DZRN RWERP DPLSR RD3A INITER...

  • Page 44

    → FX3 Series MELSEC iQ-F Remarks IVCK → IVCK SM4095 is added to parameters of instructions. Change to an → IVDR IVDR appropriate device or label. IVRD → IVRD → IVWR IVWR IVBWR → IVBWR → IVMC IVMC → ADPRW ADPRW →...

  • Page 45

    ■Instructions that are not supported by GX Works3 The following instructions are not supported by GX Works3. The instructions are left as is when converting the projects, but an error will occur when compiling. Instruction list OUT_C_32 DINTP INITRP IRET DTKY DTBL LOGR...

  • Page 46: Precautions For Instruction Replacement

    Precautions for Instruction Replacement When converting the projects of the FX3 Series to MELSEC iQ-F projects, the instructions may be changed or correction required. The details are explained below. Arguments ■Arguments of function with "_E" For functions with “_E”, the positions of the arguments are different between GX Works2 and GX Works3. Therefore the projects must be modified after conversion.

  • Page 47

    Correction of structured ladder/FBD program • The method of thinking for execution order is different for the GX Works2 structured ladder/FBD and GX Works3 FBD/LD language. Display the execution order and check the contents. • The operation of the return element is different for the GX Works2 structured ladder/FBD and GX Works3 FBD/LD language.

  • Page 48: Device Replacement List

    Device Replacement List The following describes the device list when replacing the FX3U/FX3UC projects to MELSEC iQ-F projects. Actions such as replacing the device will be necessary according to the content of precautions. Device name FX3U/FX3UC After replacing to Precautions MELSEC iQ-F Input relay X0 to X367...

  • Page 49

    Device name FX3U/FX3UC After replacing to Precautions MELSEC iQ-F High-speed 1-phase 1-count input C235 to C245 C235 to C245 Setting of the FX3 Series compatibility counter assignment and replacement of the device 1-phase 2-count input C246 to C250 C246 to C250 number are necessary by the parameter.

  • Page 50: Precautions For Device Replacement

    Precautions for Device Replacement Precautions for Device Replacement Index modification of the S device (state) cannot be made on the MELSEC iQ-F. Replace as follows. • When the S device without state management has its index modified, replace to M device to use. •...

  • Page 51: Precautions When Replacing Other Functions

    Precautions when Replacing Other Functions Precautions when Using the High-speed Counters When the high-speed counters (C235 to C255) are used with FX3U/FX3UC, it will not operate by just replacing to MELSEC iQ-F. It is necessary to set the FX3 Series compatible high-speed counters and change the program by the parameter. For the setting procedure, refer to the following.

  • Page 52

    Set the function of the high-speed counters used at FX3U/FX3UC. Select the input comparison enable/disable of the counter device and preset input compatible with the FX3 Series, and select the control switch. Changing the Program Change the high-speed counter program by referring to the following program example. [Example of program] K10000 C235...

  • Page 53: Precautions When Using The Routine Timer

    Precautions when Using the Routine Timer When the routine timer (T192 to T199) is used with FX3U/FX3UC, it will not operate by just replacing to MELSEC iQ-F. The routine timer must be set by the parameter. For the setting procedure, refer to the following. Parameter Setting Procedure of the Routine Timer Set the use of the routine timer and the leading device number.

  • Page 54: Index

    INDEX ......46 Auxiliary relay ....47 Character string constant .

  • Page 55

    MEMO...

  • Page 56: Revisions

    SAFETY PRECAUTIONS, RELEVANT MANUALS, TERMS, Section 2.3, 3.3, 4.2 This manual confers no industrial property rights of any other kind, nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual.

  • Page 57: Warranty

    If any faults or defects (hereinafter "Failure") found to Mitsubishi shall accept onerous product repairs for be the responsibility of Mitsubishi occurs during use of seven (7) years after production of the product is the product within the gratis warranty term, the discontinued.

  • Page 58: Trademarks

    TRADEMARKS   Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Ethernet is a trademark of Xerox Corporation. Anywire and ANYWIREASLINK are registered trademarks of the Anywire Corporation.  MODBUS is a registered trademark of Schneider Electric SA.

  • Page 60

    Manual number: JY997D66201D When exported from Japan, this manual does not require application to the Ministry of Economy, Trade and Industry for service transaction permission. HEAD OFFICE: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Specifications are subject to change without notice.

This manual also for:

Melsec iq-f series, Melsec fx3uc series

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