This function allows data communications between specified devices at the specified timing, using the built-in Ethernet.

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

The LCPU error code 4116 is displayed when a built-in I/O instruction that is disabled in the parameter setting is execu

"PC Parameter" in GX Works2 is "Parameter" in GX Works3. You can set the I/O assignment from "Module Configuration" or

The error code "2110" is "SP.UNIT ERROR.". This error may be caused by one of the following factors. (1) The module t

It cannot be increased by installing an SRAM card. The size of executable program depends on the program memory size of

The FX5 CPU module does not support EtherCAT communication. There are no products in the FX series or iQ-F series that

In the FX programmable controllers (FX3U/FX3UC series), a bit in a word device can be specified in a program. It can be

In the multiple comments display setting, you can set a comment title of the device comments to be set. <Displayin

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

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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FAQ within [ Programmable Controllers MELSEC ]

951-960 of Total 983

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Simple PLC communication function

This function allows data communications between specified devices at the specified timing, using the built-in Ethernet. Device data such as production data ... More Details >>
- No：22737
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
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
Remedy for LCPU error "4116"

The LCPU error code 4116 is displayed when a built-in I/O instruction that is disabled in the parameter setting is executed. Check for the parameter settings... More Details >>
- No：22807
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
I/O assignment of PLC parameters with GX Works3

"PC Parameter" in GX Works2 is "Parameter" in GX Works3. You can set the I/O assignment from "Module Configuration" or "System Parameter". <Setting fr... More Details >>
- No：22475
- Release Date：2018/09/03 17:28
- Update：2018/09/19 14:42
- Category： MELSEC iQ-R Series
Error code "2110" in QCPU

The error code "2110" is "SP.UNIT ERROR.". This error may be caused by one of the following factors. (1) The module that has been specified by a FROM/TO i... More Details >>
- No：22662
- Release Date：2018/09/03 17:29
- Update：2018/09/21 13:48
- Category： MELSEC-Q Series
Insufficient memory capacity for sequence programs

It cannot be increased by installing an SRAM card. The size of executable program depends on the program memory size of the CPU. Use another CPU of which p... More Details >>
- No：22578
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:09
- Category： MELSEC-Q Series
Regarding EtherCAT Communications

The FX5 CPU module does not support EtherCAT communication. There are no products in the FX series or iQ-F series that support EtherCAT communication. More Details >>
- No：39313
- Release Date：2023/02/14 08:54
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
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
- Category： MELSEC-F Series , Engineering Software , Main Unit
Changing the display language of device comments with GX Works3

In the multiple comments display setting, you can set a comment title of the device comments to be set. <Displaying the multiple comments display setti... More Details >>
- No：22460
- Release Date：2018/09/03 17:28
- Update：2018/09/19 11:46
- Category： MELSEC iQ-R Series
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

951-960 of Total 983

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