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FAQ within [ MELSEC iQ-F Series ]
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Regarding the clean session function of MQTT communication function
This function allows you to select the operation to be performed when the FX5-ENET(MQTT client) reconnects to the MQTT broker after communication has been ... More Details >>
- No:40054
- Release Date:2023/08/25 09:02
- Category: MELSEC iQ-F Series , Network/Communication
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It is possible to connect to the cloud: MQTT broker (server) using the MQTT communication function of FX5-ENET. The MQTT communication function is supported... More Details >>
- No:40034
- Release Date:2023/08/24 15:39
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding the requirement of SD Memory Card module function of FX5S CPU module
SD Memory Card Module: FX5-SDCD is required for the following functions. ・Firmware update function ※ 1 ・Memory card function (SD memory card forced stop,... More Details >>
- No:39338
- Release Date:2023/02/14 17:29
- Category: MELSEC iQ-F Series , Option , CPU Module
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"Rebuild All" converts the entire project and "Convet" only coverts the modified part of the program. More Details >>
- No:22326
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:40
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding the method to connect with multiple devices via Ethernet port
Multiple connections can be established by using a switching hub. More Details >>
- No:22321
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:26
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software , Network/Communication
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Regarding changing the current value of the high-speed counter.
To rewrite the current value, arbitrary values can be written using the DHCMOV instruction. (Example) Set the current value of the high-speed counter ch1 ... More Details >>
- No:22303
- Release Date:2018/08/30 13:55
- Update:2023/02/06 17:05
- Category: MELSEC iQ-F Series , CPU Module , High-Speed Counter
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Regarding address change of positioning operation.
It can be changed. For example, with the positioning instruction, a word device can be assigned to the operand which specifies the positioning address and t... More Details >>
- No:22298
- Release Date:2018/08/30 13:55
- Update:2023/02/14 09:53
- Category: MELSEC iQ-F Series , CPU Module , Motion/Positioning
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Regarding the processing specification of the basic operation instruction(LD).
The execution time of the basic opeartion instruction (LD) of the FX5U/FX5UC/FX5UJ CPU module is 34 ns. *For firmware Ver.1.100 or above, this specification ... More Details >>
- No:22287
- Release Date:2018/08/30 13:55
- Update:2023/07/03 11:56
- Category: MELSEC iQ-F Series , CPU Module
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Regarding maximum number of connections for MQTT communication function
The MQTT communication function can be used for up to one connection. More Details >>
- No:40055
- Release Date:2023/08/25 08:53
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding how to clear simple CPU communication function errors
After removing the error factor, you can clear it by executing "Clear latest error code" from "Diagnostic" - "Simple CPU Communication Diagnostic" in GX Work... More Details >>
- No:40049
- Release Date:2023/08/25 09:06
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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