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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Duplicated coil errors that can be checked with GX Works3
When an SET instruction and RST instruction use a single device, no duplicated coil error is detected. More Details >>
- No:22456
- Release Date:2018/09/03 17:28
- Update:2018/09/20 13:33
- Category: MELSEC iQ-R Series
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Error in simulation in GX Works2
This problem can be workarounded by upgrading software products made by other companies to the latest version or uninstalling them.For more details, refer to... More Details >>
- No:22570
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Yes, there is. T256 to T319 can be used for the1 ms timer, and T246 to T249 can be used for the 1 ms retentive timer. More Details >>
- No:24680
- Release Date:2019/02/22 11:39
- Update:2019/02/22 14:03
- Category: MELSEC-F Series , Main Unit
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The station number setting is not required for non-protocol communication. More Details >>
- No:24948
- Release Date:2019/04/18 14:27
- Category: MELSEC-F Series , Main Unit , Network/Communication
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Regarding the latch settings of data register
It is necessary to set the latch range from the following GX Works3 parameters: [Navigation Window] -> [CPU Parameters] -> [Device/Memory Settings] -&... More Details >>
- No:22329
- Release Date:2018/08/30 13:55
- Update:2023/02/13 11:04
- Category: CPU Module , Engineering Software
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Unable to communicate via USB connection
Check the following points.(1) Transfer Setup is properly configured.(2) The USB driver is properly recognized. More Details >>
- No:22511
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Replacing a device in GX Developer
Select [Tool] -> [Options] from the menu of GX Developer and open <<Program common>> tab.Then select "Don't write to PLC" in "After conversion... More Details >>
- No:22565
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Regarding EtherCAT Communications
The FX5 CPU module does not support EtherCAT communication. There are no products in the FX series or iQ-F series that support EtherCAT communication. More Details >>
- No:39313
- Release Date:2023/02/14 08:54
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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PLC type change in GX Developer
Follow the steps below and then execute PLC type change.- On the menu of GX Developer, select [Online] -> [Monitor] -> [Stop Monitoring (All Windows)],... More Details >>
- No:22522
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Simulation function not started
The simulation function utilizes the standard TCP/IP communication provided by Microsoft Corporation. A communication capability of software of another make... More Details >>
- No:22631
- Release Date:2018/09/03 17:29
- Update:2018/09/21 10:45
- Category: MELSEC-Q Series
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