Data can be cleared from GX Developer or GX Works2. [Online]→Select all [PLC memory], [Data device], and [Bit device.]

M8029 (Instruction execution complete flag) is shared with multiple instructions. To obtain an execution completion res

The "S/S" terminal is used to switch the input type (sink input and source input). For the source input, connect the "

In the FX programmable controllers (FX3U/FX3UC series), a bit in a word device can be specified in a program. It can be

When you connect the built-in USB port of the FX3 series to the personal computer for the first time, you need to instal

D200 to D7999 and R0 to R32767 can be latched. D200 to D511 can be set as non-latch areas in parameters. For details o

The FX3U-32BL can be installed to the FX3G/FX3GC series. After installation, select [Battery Mode: Use the battery] on

M384 to M1535 and D128 to D1099 can be latched. M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch

The keeping (latched device data) range is fixed and cannot be changed in parameters. (Reference) [When an optional

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

FAQ

FAQAbout Products

Font Size
S
M
L

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

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

FAQ within [ Main Unit ]

1-10 of Total 126

prev 1 / 13page next

Deleting all programs and data from the memory

Data can be cleared from GX Developer or GX Works2. [Online]→Select all [PLC memory], [Data device], and [Bit device.] on the Clear PLC memory window, and e... More Details >>
- No：22269
- Release Date：2018/08/30 13:48
How to use M8029

M8029 (Instruction execution complete flag) is shared with multiple instructions. To obtain an execution completion result of a specific instruction, insert... More Details >>
- No：24775
- Release Date：2019/02/27 15:34
How to use the "S/S" terminal

The "S/S" terminal is used to switch the input type (sink input and source input). For the source input, connect the "S/S" terminal to the "0V" terminal, a... More Details >>
- No：22255
- Release Date：2018/08/30 13:48
Turning on/off a specified bit of a word device (D) using a simple program

In the FX programmable controllers (FX3U/FX3UC series), a bit in a word device can be specified in a program. It can be specified as "word device (D only) + ... More Details >>
- No：25011
- Release Date：2019/04/23 11:13
Communications using the built-in USB port of the FX3 series

When you connect the built-in USB port of the FX3 series to the personal computer for the first time, you need to install the USB driver into the personal co... More Details >>
- No：22273
- Release Date：2018/08/30 13:48
Latch (backup) areas in the data register (D) and extended register (R) of the FX3U/FX3UC series

D200 to D7999 and R0 to R32767 can be latched. D200 to D511 can be set as non-latch areas in parameters. For details on the parameter setting, refer to the... More Details >>
- No：24699
- Release Date：2019/02/27 08:58
How to install a battery to FX3G/FX3GC series

The FX3U-32BL can be installed to the FX3G/FX3GC series. After installation, select [Battery Mode: Use the battery] on the FX parameter window of GX Develop... More Details >>
- No：22271
- Release Date：2018/08/30 13:48
Latch (backup) areas in the auxiliary relay (M), data register (D), and extended register (R) of the FX3G/FX3GC series

M384 to M1535 and D128 to D1099 can be latched. M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch areas by installing an optional batt... More Details >>
- No：24703
- Release Date：2019/02/27 08:59
How to change the keeping (latched device data) range (FX3G/FX3GC)

The keeping (latched device data) range is fixed and cannot be changed in parameters. (Reference) [When an optional battery is not used] The keeping ran... More Details >>
- No：22260
- Release Date：2018/08/30 13:48
- Update：2019/02/19 11:52
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

1-10 of Total 126

Inquiries

page top