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

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

In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decim

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

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

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

Yes, it is. However, if the error cause is not eliminated, M8004 will turn on again after powering on. * How to chec

To check the version of the MELSEC-F series, connect GX Works2 (personal computer) or HPP to a programmable controller,

1. Data backup using an optional battery Built-in RAM data and clock data of a programmable controller are held by usin

When changing the time by using the clock data write instruction (TWR), the control of M8015 (Clock stop/adjustment) is

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 ]

11-20 of Total 126

prev 2 / 13page next

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 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
Using a specified bit (on/off) of a word device (D) as a condition for a contact

In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decimal point + Bit position (0 to F)". A... More Details >>
- No：22261
- Release Date：2018/08/30 13:48
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
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 reset M8004 (Error occurrence)

Yes, it is. However, if the error cause is not eliminated, M8004 will turn on again after powering on. * How to check the error In the FX3S/FX3G/FX3GC/FX... More Details >>
- No：22280
- Release Date：2018/08/30 13:48
How to check the version of the MELSEC-F series

To check the version of the MELSEC-F series, connect GX Works2 (personal computer) or HPP to a programmable controller, and monitor the data in D8001. The l... More Details >>
- No：24772
- Release Date：2019/02/27 15:22
Types of data backup methods (FX3G series)

1. Data backup using an optional battery 　Built-in RAM data and clock data of a programmable controller are held by using an optional battery. 　The life of... More Details >>
- No：24701
- Release Date：2019/02/27 08:59
Changing the time of a programmable controller by using the clock data write instruction (TWR)

When changing the time by using the clock data write instruction (TWR), the control of M8015 (Clock stop/adjustment) is not required. * When the clock data... More Details >>
- No：22266
- Release Date：2018/08/30 13:48

11-20 of Total 126

Inquiries

page top