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FAQ within [ MELSEC iQ-F Series ]
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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 whether ladder monitoring is enabled by the Web server function
You cannot use the ladder monitor with the Web server function. With the Web server function, it is possible to monitor the device value, test the device (w... More Details >>
- No:44873
- Release Date:2025/03/18 10:23
- Category: MELSEC iQ-F Series , CPU Module
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Regarding how to change the averaging processing of FX5-4AD-ADP programmatically
It is possible to change the number of counts for count averaging in a program. Set the module parameter Basic settings to "Set A/D conversion method" to Di... More Details >>
- No:44618
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , Analog
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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 the login screen for the Web Server Function
There is no setting or method to disable the login screen for the web server function. More Details >>
- No:44357
- Release Date:2024/03/27 15:52
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding Circuit Blocks that cannot be written with Online Program Change.
HIOEN/DHIOEN instructions cannot be written with Online Program Change. In addition, circuit blocks containing positioning instructions or network instructio... More Details >>
- No:44354
- Release Date:2024/03/27 15:47
- Category: MELSEC iQ-F Series , CPU Module
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Regarding connector conversion module differences
The FX5-CNV-IF is an additional cable type. ・FX5U/FX5UJ CPU Modules are supported. ・Used to connect an extension connector type module to an extension ca... More Details >>
- No:44351
- Release Date:2024/03/27 15:45
- Category: MELSEC iQ-F Series , CPU Module
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Regarding Device Memory Export/Import
Imports are not supported. Only exports are supported. More Details >>
- No:40027
- Release Date:2023/08/24 14:38
- Category: MELSEC iQ-F Series , Engineering Software
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Regarding Instruction processing time when the program capacity: 128 K steps are set
LD instruction: 0.35 μs, MOV instruction: 0.779 μs. For other instructions, see the manual below. MELSEC iQ-F FX5 Programming Manual (Instructions, Standa... More Details >>
- No:39362
- Release Date:2023/01/12 17:12
- Category: MELSEC iQ-F Series , CPU Module
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Regarding device comment output to Data Logging Files
Device comments can not be output to data logging files. More Details >>
- No:39321
- Release Date:2023/02/14 09:00
- Category: MELSEC iQ-F Series , CPU Module
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