Regarding the simultaneous use of Simple CPU Communication and FX5-CCLGN-MS MELSOFT Connection

Can be used simultaneously. More Details >>

Regarding CAN Communication

The FX5 CPU module does not support CAN communication. More Details >>

Regarding MELSOFT Products that do not work correctly

If you use a Microsoft IME, the MELSOFT product may not work properly. Please see the technical news below for details. Notes on using the Japanese Input M... More Details >>

Regarding Free Mail Service with Email Function

Free mail services that have been verified to work with the email function are Gmail, Yahoo! mail, and iCloud email.(As of July 2025) Use the encryption fun... More Details >>

Regarding automatic transfer of Data Logging Files

Data logging file transfer (FTP server auto transfer) is supported with the following firmware versions. ・FX5U/FX5UC CPU Module Ver. 1.300 or later ・FX5U... More Details >>

Regarding issuing Client Certificates to Connect with AWS IoT Core

Set the RSA strength to at least 2048 bits. Anything less than 2048 bits is not supported by AWS IoT Core and cannot be connected. More Details >>

Regarding Error code H1968 of FX5-ENET Mail send FB

"The number of characters specified in the input label: i_uBodyLength (number of characters in the body) is different from the number of characters in the bo... More Details >>

Regarding the data link program of FX5-CCL-MS

Since the FX5-CCL-MS has a link refresh setting, there is no need for a program to read and write data to each station. More Details >>

Regarding features of EtherNet/IP Communication

Class1 communication sends and receives data at regular intervals. It is mainly used for I/O communication and motion control between PLC and sensor. Class... More Details >>

How to display the multiple CPU function setting window of MELSEC iQ-R series CPU modules

You can display the setting window in the multiple CPU setting of system parameters. <Multiple CPU setting> [Navigation Window]-> [Parameter]-&g... More Details >>