The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) An intellige

FX5U/FX5UC/FX5UJ CPU modules cannot perform firmware update using GX Works3. Use the SD memory card to update the firmwa

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

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

Perform "Rebuild All" and initialize the memory before writing to the PLC. "Rebuild All" converts the entire project and

The FX3U-ENET-L and FX3U-ENET-ADP are Ethernet-connectable. The FX3U-ENET-L can be used with the FX3U and FX3UC series

You can monitor buffer memory values in the Ladder Editor by setting in GX Works3 >Tools >Options > Monitor &gt

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

Select [Project] -> [Security] -> [User Management] from the menu to display the "User Addition" window.Set "User

Global and local labels have the following differences. Global Label ・This label is available to all programs in the pro

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(672)

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FAQ within [ Programmable Controllers MELSEC ]

971-980 of Total 1023

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Error code "2100" in LCPU

The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) An intelligent function module is assigned as a... More Details >>
- No：22725
- Release Date：2018/09/03 17:29
- Update：2018/09/21 17:02
- Category： MELSEC-L Series
Regarding how to update the firmware of the FX5 CPU module

FX5U/FX5UC/FX5UJ CPU modules cannot perform firmware update using GX Works3. Use the SD memory card to update the firmware. However, the FX5S CPU module sup... More Details >>
- No：39325
- Release Date：2023/02/14 09:03
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
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
- Category： MELSEC-F Series , Main Unit , I/O Extension
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
- Category： MELSEC-F Series , Engineering Software , Main Unit
Regarding a mismatch found in the monitoring function of GX Works3

Perform "Rebuild All" and initialize the memory before writing to the PLC. "Rebuild All" converts the entire project and "Convert" only coverts the modified... More Details >>
- No：22293
- Release Date：2018/08/30 13:55
- Update：2023/02/13 15:31
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Ethernet-connectable modules in MELSEC-F

The FX3U-ENET-L and FX3U-ENET-ADP are Ethernet-connectable. The FX3U-ENET-L can be used with the FX3U and FX3UC series (both Ver. 2.21 or later). The FX3U-... More Details >>
- No：22270
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , Network/Communication
Regarding how to Monitor Buffer Memory Values

You can monitor buffer memory values in the Ladder Editor by setting in GX Works3 >Tools >Options > Monitor > Common Item > Monitor Buffer Mem... More Details >>
- No：39324
- Release Date：2023/01/12 16:56
- Category： MELSEC iQ-F Series , CPU Module
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
Setting passwords by project

Select [Project] -> [Security] -> [User Management] from the menu to display the "User Addition" window.Set "User Name", "Access Level", "Password", an... More Details >>
- No：22871
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Regarding understanding the differences between Global and Local Labels

Global and local labels have the following differences. Global Label ・This label is available to all programs in the project. ・You can also allocate any d... More Details >>
- No：44622
- Release Date：2024/11/28 16:13
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software

971-980 of Total 1023

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