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

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

The comment may not have been written to the programmable controller. Or, the comment display setting may be required on

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

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

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

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

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 a

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

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

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MELSEC-F Series

Accessories(33)

FAQ within [ MELSEC-F Series ]

1-10 of Total 198

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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
- Category： MELSEC-F Series , Engineering Software , Main Unit
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
- Category： MELSEC-F Series , Main Unit , I/O Extension
Comment display

Thecomment may not have been written tothe programmable controller. Or, the comment display setting may be required on the GX Works2 side. [Writing a com... More Details >>
- No：24681
- Release Date：2019/02/22 11:40
- Update：2019/02/22 14:15
- Category： MELSEC-F Series , Engineering Software , Main Unit
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
- Category： MELSEC-F Series , Engineering Software , Main Unit
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
- Category： MELSEC-F Series , Network related products , Main Unit
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
- Category： MELSEC-F Series , Engineering Software , Main Unit , Accessories
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
- Category： MELSEC-F Series , Engineering Software , Main Unit
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
- Category： MELSEC-F Series , Engineering Software , Main Unit , Accessories
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
- Category： MELSEC-F Series , Engineering Software , Main Unit
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
- Category： MELSEC-F Series , Engineering Software , Main Unit

1-10 of Total 198

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