In LCPU, file register capacity depends on CPU. The number of file register points cannot be increased. (A file register

Yes. They have the same pin layout.

A password can be set. - Use the file password 32 function.- Number of characters: 4 to 32 (alphanumeric and special cha

Select [View] -> [Cross reference window] from the menu in GX Developer to display the cross reference window.

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave sta

Whether the terminal block is removable or not differs depending on the series. Types of the terminal blocks for the MEL

The input signal forms are different. All the programmable controllers for the domestic market other than the FX3G/FX3U

It is possible to connect to the cloud: MQTT broker (server) using the MQTT communication function of FX5-ENET. The MQTT

For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fix

Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(672)

CPU Module(185)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

581-590 of Total 1023

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How to increase file register capacity

In LCPU, file register capacity depends on CPU. The number of file register points cannot be increased. (A file register cannot be set on an SD memory card.)... More Details >>
- No：22766
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
FNC connector pin layout in L series I/O module and Q series I/O module

Yes. They have the same pin layout. More Details >>
- No：22774
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
LCPU protection function

A password can be set. - Use the file password 32 function.- Number of characters: 4 to 32 (alphanumeric and special characters, case-sensitive)- Disabled op... More Details >>
- No：22810
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
The cross reference window is not displayed.

Select [View]-> [Cross reference window] from the menu in GX Developer to display the cross reference window. More Details >>
- No：22951
- Release Date：2018/09/03 17:30
- Update：2018/09/25 11:54
- Category： Engineering Software
What makes the ERR LED flash in a CC-Link network

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave station: Reassess the power supply, the ... More Details >>
- No：23023
- Release Date：2018/09/03 17:31
- Category： Network related products
Terminal blocks for the MELSEC-F series

Whether the terminal block is removable or not differs depending on the series. Types of the terminal blocks for the MELSEC-F series main units are as follow... More Details >>
- No：24774
- Release Date：2019/02/27 15:34
- Category： MELSEC-F Series , Main Unit
Differences in the specifications between the programmable controllers used in Japan and overseas.

The input signal forms are different. All the programmable controllers for the domestic market other than the FX3G/FX3U series are the sink input. The progra... More Details >>
- No：24913
- Release Date：2019/04/17 11:39
- Category： MELSEC-F Series , Main Unit
Regarding Cloud Connectivity

It is possible to connect to the cloud: MQTT broker (server) using the MQTT communication function of FX5-ENET. The MQTT communication function is supported... More Details >>
- No：40034
- Release Date：2023/08/24 15:39
- Category： MELSEC iQ-F Series , Network/Communication
Regarding KeepAlive for SLMP Communication

For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fixed to not perform a keep-alive check. More Details >>
- No：45477
- Release Date：2025/11/12 13:37
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
COMMENT to disappear after a PLC type change

Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. More Details >>
- No：22625
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series

581-590 of Total 1023

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