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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding the QoS function of the MQTT Communication function
There are three QoS levels and FX5-ENET is also supported. ・QoS0 - The message is sent only once from the source client. Messages are not guarant... More Details >>
- No:40056
- Release Date:2023/08/25 09:04
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding TPDO and RPDO allocation
RWr is allocated to TPDO and RWw is allocated to RPDO. More Details >>
- No:44479
- Release Date:2024/07/02 19:06
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding how to change the averaging processing of FX5-4AD-ADP programmatically
It is possible to change the number of counts for count averaging in a program. Set the module parameter Basic settings to "Set A/D conversion method" to Di... More Details >>
- No:44618
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , Analog
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Using a commercially-available SD memory card for a MELSEC iQ-R series CPU module
For the commercially-available SD memory cards that can be used for MELSEC iQ-R series CPU modules, refer to the following technical bulletin. - TECHNICAL ... More Details >>
- No:22461
- Release Date:2018/09/03 17:28
- Update:2018/09/18 15:46
- Category: MELSEC iQ-R Series
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How to set file register setting
No setting is required.File registers are enabled by default in basic model QCPU. More Details >>
- No:22555
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Life expectancy of the CompactFlash card used in the high speed data logger module
The life expectancy is determined by the following calculation.Life expectancy (year) = Total writable size (GB) / 1 year write size (GB/year)For more detail... More Details >>
- No:22592
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Reading and writing bits/words using the FL-net (OPCN-2) interface module
The parameters and auto refresh settings for the FL-net (OPCN-2) interface module cannot be made using the Network Parameter items in GX Developer.Set those ... More Details >>
- No:22597
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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The corresponding operation depends on the counter type selected. (1) If "Linear Counter" is selected If the present counter value exceeds the upper limi... More Details >>
- No:22624
- Release Date:2018/09/03 17:29
- Update:2018/09/21 10:32
- Category: MELSEC-Q Series
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Yes. More Details >>
- No:22642
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Whether or not device indirect specifications in structured ladder programs are allowed
Indirect specifications with "@" cannot be used in structured ladder programs and the Structured Text. Use indirect specifications in a ladder language program. More Details >>
- No:22697
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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