Class1 communication sends and receives data at regular intervals. It is mainly used for I/O communication and motion co

Yes, as long as the capacity is expandable to the file register (R), it can be transmitted by using the file operation i

You cannot configure two IP addresses.

There are three QoS levels and FX5-ENET is also supported. ・QoS0 - The message is sent only once from the source clien

The FX5-ENET module parameter of GX Works3 can send up to 10 messages and the module FB can send up to 256 characters at

There is no difference in functionality, only in the number of connections.

The maximum link points of the FX5-CCLIEF are 384 points each for RX/RY and 1024 points each for RWw/RWr.

It is not possible to connect multiple devices with different communication speeds and parities.

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.

No, there is no function to resend all the data that could not be sent. By setting Retain and QoS from FB, it is possibl

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FAQ > Controllers > Programmable Controllers MELSEC > MELSEC iQ-F Series > Network/Communication

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FAQ within [ Network/Communication ]

91-100 of Total 106

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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 >>
- No：45485
- Release Date：2025/11/12 13:55
Regarding sending files in an SD Memory Card by Mail

Yes, as long as the capacity is expandable to the file register (R), it can be transmitted by using the file operation instruction. When sending, please set... More Details >>
- No：44369
- Release Date：2024/03/27 16:41
Regarding FX5-ENET, FX5-ENET/IP IP addresses

You cannot configure two IP addresses. More Details >>
- No：44356
- Release Date：2024/03/27 15:56
Regarding the QoS function of the MQTT Communication function

There are three QoS levels and FX5-ENET is also supported. ・QoS0 - The message is sent only once from the source client. 　　　　　　Messages are not guarant... More Details >>
- No：40056
- Release Date：2023/08/25 09:04
Regarding the Number of Sending Addresses for Email function

The FX5-ENET module parameter of GX Works3 can send up to 10 messages and the module FB can send up to 256 characters at a time. By entering multiple email ... More Details >>
- No：40052
- Release Date：2023/08/25 10:23
Regarding differences in simple CPU communication functions

There is no difference in functionality, only in the number of connections. More Details >>
- No：40039
- Release Date：2023/08/24 15:44
Regarding FX5-CCLIEF Maximum Link Points

The maximum link points of the FX5-CCLIEF are 384 points each for RX/RY and 1024 points each for RWw/RWr. More Details >>
- No：40020
- Release Date：2023/08/24 14:31
Regarding protocol mixing in Serial Communication

It is not possible to connect multiple devices with different communication speeds and parities. More Details >>
- No：45480
- Release Date：2025/11/12 13:54
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 >>
- No：44614
- Release Date：2024/11/28 16:12
Regarding the MQTT communication function retransmission function

No, there is no function to resend all the data that could not be sent. By setting Retain and QoS from FB, it is possible to resend only the latest message. More Details >>
- No：44368
- Release Date：2024/03/27 16:56

91-100 of Total 106

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