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FAQ within [ MELSEC iQ-F Series ]
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Regarding how to back up FX5-4LC
Some buffer memory values are cleared when the power is turned off. Turn on the backup command before turning the power OFF. By turning the buffer memory ... More Details >>
- No:39347
- Release Date:2023/01/16 10:07
- Category: MELSEC iQ-F Series , Analog
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Regarding performing Data Logging with Special Relays
It's possible. Using special relays, it is possible to perform data logging from a program. For details, see the manual below. MELSEC iQ-F FX5 User's Manu... More Details >>
- No:39327
- Release Date:2023/02/14 09:05
- Category: MELSEC iQ-F Series , CPU Module
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Regarding Data Logging File Storage Format
It's possible. For the firmware and software versions of the corresponding CPU units, refer to the respective manuals. More Details >>
- No:39308
- Release Date:2023/02/13 16:44
- Update:2023/02/14 09:01
- Category: MELSEC iQ-F Series , CPU Module
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Regarding the HOLD/CLEAR function of the built-in analog output
This function allows you to select the digital value to perform D/A conversion from the following three patterns depending on the operating status of the CPU... More Details >>
- No:39289
- Release Date:2023/01/12 16:51
- Category: MELSEC iQ-F Series , CPU Module , Analog
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Regarding multiple connections for the MQTT communication function
The MQTT communication function of FX5-ENET does not allow multiple connections to be opened at the same time. The MQTT communication function has a maximum ... More Details >>
- No:44358
- Release Date:2024/03/27 16:02
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding the MQTT Communication Function Publish Program
You can't program it with the ladder program alone. To use the MQTT communication and email functions, you must use the module FB and program it. More Details >>
- No:40051
- Release Date:2023/08/25 11:48
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding Input Interrupt Delay
The following versions support the input interrupt delay function and can delay the start of execution. ・FX5U/FX5UC Ver. 1.290 or later ・FX5UJ Ver. 1.050 o... More Details >>
- No:40037
- Release Date:2023/08/24 15:43
- Category: MELSEC iQ-F Series , CPU Module
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Regarding the text color of file names
The data name shown in "red" means "unconverted data" or "unused data before conversion." Data name displayed in 'light blue' means "unused". If a conversio... More Details >>
- No:39345
- Release Date:2023/02/15 10:06
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding QoS, Retain, Will, and Clean Session Functions for MQTT Communications
The QoS, Retain, Will, and Clean Session functions of the MQTT communication function can not be configured in buffer memory. Module FB: M+FX5ENET. QoS ca... More Details >>
- No:40053
- Release Date:2023/08/25 09:21
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding bit specification index modification for word devices
Index modification cannot be done for bit specifications for Word device. More Details >>
- No:39299
- Release Date:2023/02/13 16:39
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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