The device memory data cannot be stored in a memory cassette. In the FX3U/FX3UC series, a part of device memory data can

Only one GT1020/GT1030 series (5 V type) can be connected to the FX3G series. To connect two GOTs, select the GT1020/GT1

The difference is the maximum transmission distance and the presence/absence of insulation (between the communication li

There is no function to generate a false error. For example, if operand (s2): divisor is set to "0" in the division comm

The execution time of the basic opeartion instruction (LD) of the FX5U/FX5UC/FX5UJ CPU module is 34 ns. *For firmware Ve

For a label where digits are to be specified, set a bit type array as its data type. The following shows an example of w

When the block number of the file register (R) is saved and stored, the overhead time becomes 35.9 [us]. When the number

You can display the setting window from a module configuration diagram or system parameters. <Displaying the setting

The bit 10 of the special register SD1288 provides the connection status to a hub. When the bit 10 of SD1288 is ON, a hu

Yes. A commercial SD memory card can be used. (32 GB max.)Connectable SD memory cards that passed our operation check ar

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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)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

771-780 of Total 1023

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Data that can be stored in a memory cassette (FX3U/FX3UC)

The device memory data cannot be stored in a memory cassette. In the FX3U/FX3UC series, a part of device memory data can be latched using a battery. The de... More Details >>
- No：24789
- Release Date：2019/02/28 09:07
- Category： MELSEC-F Series , Accessories
Connection of the FX3G series and the GT1020/GT1030 series (5 V type)

Only one GT1020/GT1030 series (5 V type) can be connected to the FX3G series. To connect two GOTs, select the GT1020/GT1030 series (24 V type). More Details >>
- No：24969
- Release Date：2019/04/23 07:19
- Category： MELSEC-F Series , Main Unit
Regarding the difference between the RS-485 expansion adapter and the extension board

The difference is the maximum transmission distance and the presence/absence of insulation (between the communication line and the CPU). ・Expansion Adapter ... More Details >>
- No：39315
- Release Date：2023/01/12 16:56
- Category： MELSEC iQ-F Series , Network/Communication
Regarding how to generate a false error

There is no function to generate a false error. For example, if operand (s2): divisor is set to "0" in the division command and the command is executed, err... More Details >>
- No：44610
- Release Date：2024/11/28 16:11
- Category： MELSEC iQ-F Series , CPU Module
Regarding the processing specification of the basic operation instruction(LD).

The execution time of the basic opeartion instruction (LD) of the FX5U/FX5UC/FX5UJ CPU module is 34 ns. *For firmware Ver.1.100 or above, this specification ... More Details >>
- No：22287
- Release Date：2018/08/30 13:55
- Update：2023/07/03 11:56
- Category： MELSEC iQ-F Series , CPU Module
Digit specification for bit devices in ST language with GX Works3

For a label where digits are to be specified, set a bit type array as its data type. The following shows an example of when a global label is used. - Globa... More Details >>
- No：22455
- Release Date：2018/09/03 17:28
- Update：2018/09/18 15:01
- Category： MELSEC iQ-R Series
Overhead time of when a fixed scan execution type program of the MELSEC iQ-R series CPU module is executed

When the block number of the file register (R) is saved and stored, the overhead time becomes 35.9 [us]. When the number of the file register is not saved o... More Details >>
- No：22465
- Release Date：2018/09/03 17:28
- Update：2018/09/19 11:57
- Category： MELSEC iQ-R Series
How to display the parameter setting window for a programmable controller with GX Works3

You can display the setting window from a module configuration diagram or system parameters. <Displaying the setting window from a module configuration... More Details >>
- No：22498
- Release Date：2018/09/03 17:28
- Update：2018/09/20 12:10
- Category： MELSEC iQ-R Series
Connection status detection between a hub and the built-in Ethernet port of LCPU

The bit 10 of the special register SD1288 provides the connection status to a hub. When the bit 10 of SD1288 is ON, a hub is connected. More Details >>
- No：22759
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
Use of commercial SD memory cards

Yes. A commercial SD memory card can be used. (32 GB max.)Connectable SD memory cards that passed our operation check are listed in the technical bulletin. More Details >>
- No：22801
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series

771-780 of Total 1023

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