In the FX3U/FX3UC series, the bit specification of the data register is possible. (Example) D0.7→7th bit in D0 For the

The file register is used for storing predetermined values (such as specification values for product inspection). Other

The keyword protection cannot be forcibly reset. Since only the keyword that has been registered by the user is acceptab

A battery is used for backing up program memory and latched device data and maintaining clock operation in the event of

Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller i

When an unimplemented input (X) or output (Y) number is used in a program, M8060 turns on. The first to third digits of

On the Project view of the Navigation window, select "Parameter" → "PLC Parameter" using GX Works2 (or GX Developer). Cl

The sink input connects to a negative common for 24 V DC. The source input connects to a positive common. The sink in

To perform battery-less operation in the FX3U/FX3UC series, set parameters using GX Works2(or GX Developer). Please ref

As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. Howev

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FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit

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FAQ within [ Main Unit ]

21-30 of Total 126

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Turning on a bit in the data register

In the FX3U/FX3UC series, the bit specification of the data register is possible. (Example) D0.7→7th bit in D0 For the other types of MELSEC-F programmable... More Details >>
- No：22275
- Release Date：2018/08/30 13:48
Differences between the file register and other registers

The file register is used for storing predetermined values (such as specification values for product inspection). Other registers are used as a temporary st... More Details >>
- No：22256
- Release Date：2018/08/30 13:48
Keyword protection of the MELSEC-F series

The keyword protection cannot be forcibly reset. Since only the keyword that has been registered by theuser is acceptable, please take measures to ensure th... More Details >>
- No：24784
- Release Date：2019/02/27 16:27
Programmable controllers with no battery (MELSEC-F)

A battery is used for backing up program memory and latched device data and maintaining clock operation in the event of a power failure. The FX3S/FX3G/FX3G... More Details >>
- No：22259
- Release Date：2018/08/30 13:48
Necessity for installing a noise filter

Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller is used in an environment with much no... More Details >>
- No：22283
- Release Date：2018/08/30 13:48
I/O structure error in the MELSEC-F

When an unimplemented input (X) or output (Y) number is used in a program, M8060 turns on. The first to third digits of the numericalvalue stored in D8060 i... More Details >>
- No：22284
- Release Date：2018/08/30 13:48
- Update：2019/02/18 15:17
Externally switching the operating status of a programmable controller

On the Project view of the Navigation window, select "Parameter" → "PLC Parameter" using GX Works2 (or GX Developer). Click the "PLC System(1)" tab, and set ... More Details >>
- No：24768
- Release Date：2019/02/27 15:01
Meanings of the sink input/source input

The sink input connects to a negative common for 24 V DC. The source input connects to a positive common. The sink input is generally used in Japan and No... More Details >>
- No：22254
- Release Date：2018/08/30 13:48
How to set battery-less operation(FX3U/FX3UC)

To perform battery-less operation in the FX3U/FX3UC series, set parameters using GX Works2(or GX Developer). Please refer to the following manual for furt... More Details >>
- No：22277
- Release Date：2018/08/30 13:48
- Update：2019/02/19 08:47
Maximum number of characters in a comment that can be transferred to a FX3U series

As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. However, the maximum number of characters ... More Details >>
- No：24700
- Release Date：2019/02/27 08:59

21-30 of Total 126

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