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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding the MQTT communication function retransmission function
No, there is no function to resend all the data that could not be sent. By setting Retain and QoS from FB, it is possible to resend only the latest message. More Details >>
- No:44368
- Release Date:2024/03/27 16:56
- Category: MELSEC iQ-F Series , Network/Communication
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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 the expansion of modules after the bus conversion module
It is not possible to add an iQ-F series module after the bus conversion module. When adding an iQ-F series module, add it in the front stage of the bus conv... More Details >>
- No:45482
- Release Date:2025/11/12 13:55
- Category: MELSEC iQ-F Series , CPU Module
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Using Q series terminal blocks and connectors with MELSEC iQ-R series modules
You can use a Q series 18-point screw terminal block with a MELSEC iQ-R series terminal block type I/O module or analog module. For a 40-pin connector type ... More Details >>
- No:22474
- Release Date:2018/09/03 17:28
- Update:2018/09/19 14:37
- Category: MELSEC iQ-R Series
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Difference between Q61P and Q64PN
There are differences in 5 VDC rated output current and in 5 VDC overcurrent protection.The difference in 5 VDC rated output current is as follows.- Q61P: 6 ... More Details >>
- No:22518
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Copying device comments in GX Developer
Open the copy destination project in GX Developer.From the menu, select [Project] -> [Copy], specify the copy source project, and check the device comment... More Details >>
- No:22519
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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It includes sample comments for special relay/special register and the intelligent function module. On the menu of GX Works2, select [Edit] -> [Import ... More Details >>
- No:22581
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:12
- Category: MELSEC-Q Series
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Change the program using the following method.Write the label program to the programmable controller CPU and perform PLC read for the parameters and the prog... More Details >>
- No:22603
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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CPU modules that support the File Register Extended Setting
The universal model QCPU modules other than Q00UJCPU support the File Register Extended Setting. More Details >>
- No:22627
- Release Date:2018/09/03 17:29
- 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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