FAQ
FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit
FAQ
Keyword Search
FAQ within [ Main Unit ]
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
1-10 of Total 126