Assign data registers (D) to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> "Device Settin

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

If the remote net Ver.1 mode is used, each station number is given fixed buffer memory addresses.If the remote net Ver.2

When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back

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

The constant operation processing time can be achieved by using constant scan mode. Refer to the programming manual of t

The earlier series of the FX programmable controllers are compatible with the latest series of the FX programmable contr

It can be added in conjunction with an expansion board. For details on how to connect, refer to the following manual.

To update to firmware version “1.100 ” or higher, you need a product with serial number (S/N) or higher listed below. ・

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

751-760 of Total 1010

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Setting of Q series registers whose data is held when a power failure occurs

Assign data registers (D) to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> "Device Setting" window) to hold the data when a po... More Details >>
- No：22601
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
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
Buffer memory addresses of CC-Link modules

If the remote net Ver.1 mode is used, each station number is given fixed buffer memory addresses.If the remote net Ver.2 mode is used, different buffer memor... More Details >>
- No：22992
- Release Date：2018/09/03 17:31
- Category： Network related products
Receiving back (echoing back) the same data sent from QJ71C24N

When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back to RDA or RDB, we call it echo back. ... More Details >>
- No：23000
- Release Date：2018/09/03 17:31
- Update：2018/09/25 17:44
- Category： Network related products
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
Operation processing time of the programmable controller

The constant operation processing time can be achieved by using constant scan mode. Refer to the programming manual of the programmable controller used. More Details >>
- No：24997
- Release Date：2019/04/23 10:38
- Category： MELSEC-F Series , Engineering Software , Main Unit
Transferring/editing programs in the previous FX programmable controllers using GX Works2

The earlier series of the FX programmable controllers are compatible with the latest series of the FX programmable controllers. More Details >>
- No：25012
- Release Date：2019/04/23 11:16
- Category： MELSEC-F Series , Engineering Software , Main Unit
Regarding switching PID instructions for Auto-tuning

It's possible. More Details >>
- No：39320
- Release Date：2023/02/14 09:00
- Category： MELSEC iQ-F Series , CPU Module , Analog
Regarding connection of SD Memory Card module: FX5-SDCD

It can be added in conjunction with an expansion board. For details on how to connect, refer to the following manual. MELSEC iQ-F FX5S/FX5UJ/FX5U/FX5UC Use... More Details >>
- No：39337
- Release Date：2023/02/14 17:27
- Category： MELSEC iQ-F Series , Option , CPU Module
Regarding updating the FX5U/FX5UC CPU module to firmware version “1.100 ” or later

To update to firmware version “1.100 ” or higher, you need a product with serial number (S/N) or higher listed below. ・FX5UC-32MT/DS-TS and FX5UC-32MT/DSS-T... More Details >>
- No：44623
- Release Date：2024/11/28 16:14
- Category： MELSEC iQ-F Series , CPU Module

751-760 of Total 1010

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