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FAQ within [ MELSEC iQ-F Series ]
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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
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Regarding how to generate a false error
There is no function to generate a false error. For example, if operand (s2): divisor is set to "0" in the division command and the command is executed, err... More Details >>
- No:44610
- Release Date:2024/11/28 16:11
- Category: MELSEC iQ-F Series , CPU Module
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Regarding how to compare multiple word devices
It is possible to compare multiple word devices using the BKCMP_□ instruction. *where □ is the comparison symbol. Example:To compare 10 stores from D0 to D... More Details >>
- No:44616
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , CPU Module
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Regarding replacement from 128 point type of FX3U
The FX5U CPU module has a lineup of up to 80 point. The following configuration is recommended when replacing the FX3U-128MR/ES. Recommended alternative (1... More Details >>
- No:44617
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , CPU Module
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Regarding number of CH of CPU Module built-in Heating/Cooling PID control
The CPU Module's built-in Heating/Cooling PID control function supports up to 16 channels. The following firmware versions are required in order to use it. ... More Details >>
- No:44651
- Release Date:2025/03/18 10:22
- Category: MELSEC iQ-F Series , CPU Module , Analog
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Regarding Recommended Substitute Models for FX3G-CNV-ADP
The FX5 CPU modules allows you to add an expansion adapter without using a connector conversion adapter. Therefore, there is no Recommended Substitute Models... More Details >>
- No:44875
- Release Date:2025/03/18 10:27
- Category: MELSEC iQ-F Series , CPU Module
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Regarding replacing FLT Instructions
For the iQ-F series, use the following instructions. For signed 16 bit integers, use the INT2FLT instruction. For unsigned 16 bit integers, use the UINT2FL... More Details >>
- No:45479
- Release Date:2025/11/12 13:54
- Category: MELSEC iQ-F Series , CPU Module
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Regarding checking the input/output data of the FX5-EIP
This can be checked by monitoring the corresponding buffer memory from the Register to Intelligent Function Module Monitor. From [Parameter] - [Module Infor... More Details >>
- No:45490
- Release Date:2025/05/08 09:08
- Update:2025/10/31 15:18
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding the Connected/Disconnected Module Detection button on FX5-CCLGN-MS
For the Connected/Disconnected Module Detection of FX5-CCLGN-MS, the network configuration of the subsequent stages can not be automatically detected unless ... More Details >>
- No:39274
- Release Date:2023/01/12 16:45
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding the switching Hubs that can be used for CC-Link IE TSN
The CC-Link IE TSN has a CC-Link IE TSN Class B/A, and the available switching HUBs are also specified by supported standards, synchronization accuracy, etc.... More Details >>
- No:39284
- Release Date:2023/01/12 16:50
- Category: MELSEC iQ-F Series , Network/Communication
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