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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding checking latch settings
You can find it in the Advanced Settings section of GX Works3. Use the following procedure to display the Device (High Speed) settings. From the GX Wor... More Details >>
- No:44364
- Release Date:2024/03/27 16:05
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regrading using the Positioning Function with a Relay-Output Type FX5 CPU Module
High-speed pulse I/O module : The FX5-16 ET/ES-H can be added regardless of the output type of the CPU Module, and the positioning function can be used with ... More Details >>
- No:44366
- Release Date:2024/03/27 16:19
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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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
- Category: MELSEC iQ-F Series , Network/Communication
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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
- Category: MELSEC iQ-F Series , Network/Communication
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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
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding KeepAlive for SLMP Communication
For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fixed to not perform a keep-alive check. More Details >>
- No:45477
- Release Date:2025/11/12 13:37
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding maximum number of years of clock data that can be handled
The maximum number of years of the clock function is 2079 years. If it exceeds the maximum number of years, it will be fixed at 23:59:59 on December 31, 207... More Details >>
- No:45478
- Release Date:2025/11/12 13:54
- Category: MELSEC iQ-F Series , CPU Module
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Regarding EtherNet/IP communication function for FX5-EIP
The following EtherNet/IP communication functions are supported by the FX5-EIP. ・Cyclic communication function ⇒Class1 instance communication/tag communicat... More Details >>
- No:45483
- Release Date:2025/11/12 13:55
- Category: MELSEC iQ-F Series , Network/Communication
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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
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding understanding EtherNet/IP Settings for FX5-EIP
The EtherNet/IP settings of the FX5-EIP can be set in GX Works3. No additional tools are required. More Details >>
- No:45487
- Release Date:2025/11/12 13:56
- Category: MELSEC iQ-F Series , Network/Communication
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