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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 the differences between the FX5-2HC/ES and the conventional FX3U-2HC input formats
The FX5-2HC/ES supports differential line drivers (5 V) only. The FX3U-2HC supports open collectors (24 V/12 V/5 V) and differential line drivers (5 V). ... More Details >>
- No:44338
- Release Date:2024/03/26 09:02
- Category: MELSEC iQ-F Series , High-Speed Counter
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Regarding issuing Client Certificates to Connect with AWS IoT Core
Set the RSA strength to at least 2048 bits. Anything less than 2048 bits is not supported by AWS IoT Core and cannot be connected. More Details >>
- No:44343
- Release Date:2024/03/20 13:34
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding maximum number of years of clock data that can be handled
The maximum number of years of the clock function is 2079 years. If it exceeds the maximum number of years, it will be fixed at 23:59:59 on December 31, 207... More Details >>
- No:45478
- Release Date:2025/11/12 13:54
- Category: MELSEC iQ-F Series , CPU Module
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The duplicated coil error is detected when SET instruction and RST instruction use the same device. More Details >>
- No:22534
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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SD520 stores the current scan time in 1 ms units. More Details >>
- No:22556
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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One license is required for each personal computer as a rule. More Details >>
- No:22561
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Behavior of sequence program in event of momentary power failure in QCPU
(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time When the momentary power failure occurs, t... More Details >>
- No:22587
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:41
- Category: MELSEC-Q Series
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Use SP.FWRITE instruction to save the data to an ATA card in CSV format.For Q00UJCPU, Q00UCPU, and Q01UCPU, however, memory cards cannot be used thus data ca... More Details >>
- No:22652
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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The fixed buffer data areas in the buffer memory are used for communication for FROM/TO instructions. The areas used in communication for FROM/TO instruction... More Details >>
- No:22656
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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