The built-in Ethernet port in the L series is compatible only with a QnA-compatible 3E frame of the MC protocol. An A-co

The capacity file registers currently have can be checked in the file register setting section ([PLC Parameter] -> [P

The values are updated at the timing described below.- Current feed value: 1.8 ms- Machine feed value: 56.8 ms

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in

Select [Tool] -> [Options] from the menu of GX Developer and open <> tab.Then select "Don't write to PLC" in "A

The maximum number of years of the clock function is 2079 years. If it exceeds the maximum number of years, it will be

The instructions on the FX5 CPU module are compatible. Module-only instructions can be used only for CPU modules that su

This function allows you to select the digital value to perform D/A conversion from the following three patterns dependi

Up to two GOTs can be connected to a FX3U-ENET-L and MELSOFT connection needs to be set.

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Programmable Controllers MELSEC

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

CPU Module(185)
I/O Module(5)
Analog(16)
High-Speed Counter(14)
Motion/Positioning(11)
Network/Communication(106)
Option(9)
Engineering Software(62)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

761-770 of Total 1023

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Use of an A-compatible 1E frame for the built-in Ethernet port of LCPU

The built-in Ethernet port in the L series is compatible only with a QnA-compatible 3E frame of the MC protocol. An A-compatible 1E frame is not supported. More Details >>
- No：22731
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
How to check the capacity of the file registers in use

The capacity file registers currently have can be checked in the file register setting section ([PLC Parameter] -> [PLC File] tab). More Details >>
- No：22694
- Release Date：2018/09/03 17:29
- Update：2018/09/21 14:19
- Category： MELSEC-Q Series
Update timing of QD75 current feed value and machine feed value

The values are updated at the timing described below.- Current feed value: 1.8 ms- Machine feed value: 56.8 ms More Details >>
- No：22689
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... More Details >>
- No：22571
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Replacing a device in GX Developer

Select [Tool] -> [Options] from the menu of GX Developer and open <<Program common>> tab.Then select "Don't write to PLC" in "After conversion... More Details >>
- No：22565
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Regarding maximum number of years of clock data that can be handled

The maximum number of years of the clock function is 2079 years. If it exceeds the maximum number of years, it will be fixed at 23:59:59 on December 31, 207... More Details >>
- No：45478
- Release Date：2025/11/12 13:54
- Category： MELSEC iQ-F Series , CPU Module
Regarding instruction Compatibility Between FX5 CPU modules

The instructions on the FX5 CPU module are compatible. Module-only instructions can be used only for CPU modules that support intelligent function units. More Details >>
- No：40042
- Release Date：2023/08/24 15:46
- Category： MELSEC iQ-F Series , CPU Module
Regarding the HOLD/CLEAR function of the built-in analog output

This function allows you to select the digital value to perform D/A conversion from the following three patterns depending on the operating status of the CPU... More Details >>
- No：39289
- Release Date：2023/01/12 16:51
- Category： MELSEC iQ-F Series , CPU Module , Analog
Assignment of direction signals during positioning

Any number can be assigned. More Details >>
- No：24975
- Release Date：2019/04/23 07:20
- Category： MELSEC-F Series , Main Unit , Positioning Control
Number of GOTs (GOT1000 series) that can be connected to a FX3U-ENET-L

Up to two GOTs can be connected toa FX3U-ENET-L and MELSOFT connection needs to be set. More Details >>
- No：24933
- Release Date：2019/04/18 14:23
- Category： MELSEC-F Series , Network/Communication

761-770 of Total 1023

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