In GX Works3, [Tools] - [Options] - [Conversion] - [Online Program Change], set "Execute Online Program Change in Conver

Free mail services that have been verified to work with the email function are Gmail, Yahoo! mail, and iCloud email.(As

FX5U/FX5UC/FX5UJ CPU modules cannot perform firmware update using GX Works3. Use the SD memory card to update the firmwa

It is possible to use latch devices or I/O devices (X/Y) for link refresh devices. However, when using I/O devices (X/Y)

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used.

The FX3 intelligent function modules cannot be selected from the Element selection window because it does not correspond

In GX Works3, go to Online > CPU Memory Operation, select "SD Memory Card" and execute "Initialization."

MODBUS serial communication over multiple communication channels is possible. The MODBUS serial communication settings c

When used as a master station, communication with a slave station can be performed using the simple CPU communication or

For FX5U/FX5UC CPU modules, GX Works3 Ver. 1.025B or later is supported, and for FX5UJ CPU modules, GX Works3 Ver. 1.065

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MELSEC iQ-F Series

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FAQ within [ MELSEC iQ-F Series ]

21-30 of Total 266

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Regarding How to release Online Program Change

In GX Works3, [Tools] - [Options] - [Conversion] - [Online Program Change], set "Execute Online Program Change in Converting" to "No." More Details >>
- No：44876
- Release Date：2025/03/18 10:26
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding Free Mail Service with Email Function

Free mail services that have been verified to work with the email function are Gmail, Yahoo! mail, and iCloud email.(As of July 2025) Use the encryption fun... More Details >>
- No：40058
- Release Date：2023/08/25 10:22
- Update：2025/11/11 14:31
- Category： MELSEC iQ-F Series , Network/Communication
Regarding how to update the firmware of the FX5 CPU module

FX5U/FX5UC/FX5UJ CPU modules cannot perform firmware update using GX Works3. Use the SD memory card to update the firmware. However, the FX5S CPU module sup... More Details >>
- No：39325
- Release Date：2023/02/14 09:03
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding the link refresh settings of FX5-CCL-MS

It is possible to use latch devices or I/O devices (X/Y) for link refresh devices. However, when using I/O devices (X/Y), use I/O numbers (such as X1000 ~/Y... More Details >>
- No：22308
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:37
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software , Network/Communication
Regarding the maximum number of connections for MODBUS communication

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used. More Details >>
- No：22324
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:49
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding selection of FX3 intelligent function modules on the module configuration diagram of GX Works3

The FX3 intelligent function modules cannot be selected from the Element selection window because it does not correspond to the parameter setting of GX Works... More Details >>
- No：22304
- Release Date：2018/08/30 13:55
- Update：2024/08/19 09:50
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding how to format an SD memory card

In GX Works3, go to Online > CPU Memory Operation, select "SD Memory Card" and execute "Initialization." More Details >>
- No：39344
- Release Date：2023/02/15 10:03
- Category： MELSEC iQ-F Series , Option , CPU Module , Engineering Software
Regarding expansion of communication ports

MODBUS serial communication over multiple communication channels is possible. The MODBUS serial communication settings can be set from GX Works3 parameters. More Details >>
- No：22323
- Release Date：2018/08/30 13:55
- Update：2025/11/11 14:20
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding MODBUS/TCP communication of the built-in Ethernet port

When used as a master station, communication with a slave station can be performed using the simple CPU communication or the predefined protocol support func... More Details >>
- No：22302
- Release Date：2018/08/30 13:55
- Update：2022/12/22 08:52
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding simulation function using GX Works3

For FX5U/FX5UC CPU modules, GX Works3 Ver. 1.025B or later is supported, and for FX5UJ CPU modules, GX Works3 Ver. 1.065T or later is supported. FX5S CPU mo... More Details >>
- No：22327
- Release Date：2018/08/30 13:55
- Update：2023/02/15 12:56
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software

21-30 of Total 266

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