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FAQ within [ MELSEC iQ-F Series ]
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Regarding protocol mixing in Serial Communication
It is not possible to connect multiple devices with different communication speeds and parities. More Details >>
- No:45480
- Release Date:2025/11/12 13:54
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding Control response parameter of built-in PID Control of CPU Module
The control response parameter can set the response to the target value (SV) of PID control as either "normal" or "fast". The difference is as follows. (1)W... More Details >>
- No:44653
- Release Date:2025/03/18 10:23
- 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 FX5-ENET, FX5-ENET/IP IP addresses
You cannot configure two IP addresses. More Details >>
- No:44356
- Release Date:2024/03/27 15:56
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding FX5U/FX5UC CPU Module Built-in functions
The functions supported only by the FX5U/FX5UC CPU Modules are listed below. ・Predefined Protocol Support Function For Positioning function ・Optional batte... More Details >>
- No:40046
- Release Date:2023/08/24 16:14
- Update:2024/11/11 14:29
- Category: MELSEC iQ-F Series , CPU Module
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Regarding MODBUS Device Allocation Settings
No need. The MODBUS device allocation settings are used when the MODBUS slave function is used. More Details >>
- No:40026
- Release Date:2023/08/24 14:37
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding nesting contacts displayed on bus by master control instructions
It is not possible. More Details >>
- No:39361
- Release Date:2023/02/15 13:04
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding reading Sample Comments for Expansion Adapters
You cannot. The expansion adapters does not support reading sample comments. More Details >>
- No:39352
- Release Date:2023/02/15 10:16
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding number of input/output points when adding safety extension module
It will. It is treated the same as an intelligent module, so it occupies 8 I/O points. The safety input expansion module FX5-SF-8DI4 does not occupy the numb... More Details >>
- No:39314
- Release Date:2023/01/12 16:54
- Category: MELSEC iQ-F Series , CPU Module , Safety Control
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Regarding firmware updates for newly purchased CPU modules
You can still update the firmware. More Details >>
- No:39300
- Release Date:2023/02/13 16:40
- Category: MELSEC iQ-F Series , CPU Module
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