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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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How to check errors in a CC-Link master station
When an error has occurred in the master station (including the standby master station), the data link control cannot be performed, and you cannot check erro... More Details >>
- No:23078
- Release Date:2018/09/03 17:31
- Category: Network related products
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Thecomment may not have been written tothe programmable controller. Or, the comment display setting may be required on the GX Works2 side. [Writing a com... More Details >>
- No:24681
- Release Date:2019/02/22 11:40
- Update:2019/02/22 14:15
- Category: MELSEC-F Series , Engineering Software , Main Unit
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M384 to M1535 and D128 to D1099 can be latched. M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch areas by installing an optional batt... More Details >>
- No:24703
- Release Date:2019/02/27 08:59
- Category: MELSEC-F Series , Engineering Software , Main Unit , Accessories
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Regarding the supported version of the simple CPU communication function
For FX5U/FX5UC CPU module, firmware version 1.110 or later is supported. For the FX5UJ/FX5S CPU module, it is compatible from the first one. More Details >>
- No:39316
- Release Date:2023/02/14 08:56
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding differences between 8 bit and 16 bit modes for non-protocol communication
In 8-bit mode, the upper 8 bits of transmitted and received data are ignored and only the lower 8 bits are valid data. In 16 bit mode, send/receive data i... More Details >>
- No:39363
- Release Date:2023/02/15 13:04
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding CC-Link IE field network support of FX5 CPU module built-in Ethernet
The built-in Ethernet on the FX5 CPU module does not support CC-Link IE field networks. If you use a CC-Link IE field network, add an FX5-CCLIEF. *The FX5-... More Details >>
- No:44877
- Release Date:2025/03/18 10:30
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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There are three types of parameters in GX Works3; "System parameter", "CPU parameter", and "Module parameter". You can set the following items with each par... More Details >>
- No:22483
- Release Date:2018/09/03 17:28
- Update:2018/09/19 16:08
- Category: MELSEC iQ-R 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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GX Developer's compatibility with 32-bit Windows 7
GX Developer Version 8.91V or later supports 32-bit Windows 7. More Details >>
- No:22660
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Memory allocation for online change in GX Works2
The capacity of parameters and programs subtracted from the program capacity for the CPU type in use equals the size of the maximum number of steps. More Details >>
- No:22671
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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