32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used.

It is possible to use the MODBUS serial communication with multiple channels. However, only 1 channel can be set as the

Parameters can be set when connecting the MELSEC iQ-F series with FX5-CCL-MS(CC-Link system master/intelligent device).

The maximum frequency of the FX5U/FX5UC CPU module is 200kHz and the maximum frequency of the FX5S/FX5UJ CPU module is 1

Although the connection with FX2N series I/O modules, FX2 series intelligent function modules, and FX3 series special ad

The sign is required in the VAL instruction and cannot be ignored.

"The number of characters specified in the input label: i_uBodyLength (number of characters in the body) is different fr

From the [Module] tab ⇒ [Module FB] in the [Element Selection] window of GX Works3, drag and drop the Module FB you want

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

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

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MELSEC iQ-F Series

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FAQ within [ MELSEC iQ-F Series ]

201-210 of Total 253

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Regarding the maximum number of connections for MODBUS communication

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used. More Details >>
- No：22324
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:49
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding expansion of communication ports

It is possible to use the MODBUS serial communication with multiple channels. However, only 1 channel can be set as the master. The MODBUS serial communica... More Details >>
- No：22323
- Release Date：2018/08/30 13:55
- Update：2023/06/26 09:04
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding CC-Link settings using GX Works3

Parameters can be set when connecting the MELSEC iQ-F series with FX5-CCL-MS(CC-Link system master/intelligent device). However, when connecting with FX3U-1... More Details >>
- No：22317
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:19
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software , Network/Communication
Regarding the frequency of high-speed counters

The maximum frequency of the FX5U/FX5UC CPU module is 200kHz and the maximum frequency of the FX5S/FX5UJ CPU module is 100 kHz. More Details >>
- No：22312
- Release Date：2018/08/30 13:55
- Update：2022/12/22 10:18
- Category： MELSEC iQ-F Series , CPU Module , High-Speed Counter
Regardng compatability with other product series

Although the connection with FX2N series I/O modules, FX2 series intelligent function modules, and FX3 series special adater is not possible, FX3 series inte... More Details >>
- No：22309
- Release Date：2018/08/30 13:55
- Update：2022/12/22 09:46
- Category： MELSEC iQ-F Series , CPU Module , I/O Module
Regarding signs of VAL Instructions

The sign is required in the VAL instruction and cannot be ignored. More Details >>
- No：44609
- Release Date：2024/11/28 16:11
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
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 >>
- No：44607
- Release Date：2024/11/28 16:12
- Category： MELSEC iQ-F Series , Network/Communication
Regarding Using Module FB

From the [Module] tab ⇒ [Module FB] in the [Element Selection] window of GX Works3, drag and drop the Module FB you want to use to the program editor. More Details >>
- No：44606
- Release Date：2024/11/28 16:11
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
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
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

201-210 of Total 253

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