SM400 and SM8000. ※FX compatible area（SM8000～, SD8000～） is available for the special relay and special device.

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave sta

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

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

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

RS-232 is selected as PC side I/F in Transfer Setup of GX Developer or GX Works2.Change the setting in PC side I/F to US

Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller i

You have used the device set as the automatic assignment device for labels in the program. Change the device with the on

Most of the existing programmable controllers are compliant with the EU RoHS Directive. For details, please consult your

The error code "2200" is "MISSING PARA.". The cause of the error is that a parameter file does not exist in all drives w

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Programmable Controllers MELSEC

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

CPU Module(185)
I/O Module(5)
Analog(16)
High-Speed Counter(14)
Motion/Positioning(11)
Network/Communication(106)
Option(9)
Engineering Software(62)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

991-1000 of Total 1023

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Regarding the function of a special relay.

SM400 and SM8000. ※FX compatible area（SM8000～, SD8000～） is available for the special relay and special device. More Details >>
- No：22288
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:09
- Category： MELSEC iQ-F Series , CPU Module
What makes the ERR LED flash in a CC-Link network

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave station: Reassess the power supply, the ... More Details >>
- No：23023
- Release Date：2018/09/03 17:31
- Category： Network related products
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
- Category： MELSEC-F Series , Engineering Software , Main Unit , Network/Communication
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
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
When the message "An unusable COM port was specified" is displayed

RS-232 is selected as PC side I/F in Transfer Setup of GX Developer or GX Works2.Change the setting in PC side I/F to USB. More Details >>
- No：22517
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Necessity for installing a noise filter

Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller is used in an environment with much no... More Details >>
- No：22283
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories
An error (error code: F1028) occurs when compilation is executed in GX Works2.

You have used the device set as the automatic assignment device for labels in the program. Change the device with the one out of the range or change the auto... More Details >>
- No：22954
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Compliance of the FX programmable controllers with the EU RoHS Directive

Most of the existing programmable controllers are compliant with the EU RoHS Directive. For details, please consult your local Mitsubishi Electric representa... More Details >>
- No：24888
- Release Date：2019/04/15 08:07
- Category： MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories
Error code "2200" in the universal model QCPU

The error code "2200" is "MISSING PARA.". The cause of the error is that a parameter file does not exist in all drives where parameters will be valid.As a re... More Details >>
- No：22614
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series

991-1000 of Total 1023

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