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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Latch (backup) areas in the data register (D) and extended register (R) of the FX3U/FX3UC series
D200 to D7999 and R0 to R32767 can be latched. D200 to D511 can be set as non-latch areas in parameters. For details on the parameter setting, refer to the... More Details >>
- No:24699
- Release Date:2019/02/27 08:58
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Regarding CC-Link IE Field Network Basic Communication Between FX5 CPU Modules
Since the FX5 CPU modules only support the master function, CC-Link IE Field Network Basic communication between FX5 CPU modules is not possible. More Details >>
- No:39297
- Release Date:2023/02/13 16:38
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding how to format an SD memory card
In GX Works3, go to Online > CPU Memory Operation, select "SD Memory Card" and execute "Initialization." More Details >>
- No:39344
- Release Date:2023/02/15 10:03
- Category: MELSEC iQ-F Series , Option , CPU Module , Engineering Software
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Regarding the function of a special relay.
SM400 and SM8000. ※FX compatible area(SM8000~, SD8000~) is available for the special relay and special device. More Details >>
- No:22288
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:09
- Category: MELSEC iQ-F Series , CPU Module
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A/D conversions performed by Q64AD/Q68ADV/Q68ADI
(1) Sampling processing - Without the temperature drift compensation function Processing time = Number of channels usedx 80 (us/1 channel) - With the t... More Details >>
- No:22705
- Release Date:2018/09/03 17:29
- Update:2018/09/26 16:34
- Category: MELSEC-Q Series
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Regarding swapping upper and lower bytes of string data
You can use the SWAP (P) command to swap the upper and lower bytes of the specified device. More Details >>
- No:44361
- Release Date:2024/03/27 15:55
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Communications using the built-in USB port of the FX3 series
When you connect the built-in USB port of the FX3 series to the personal computer for the first time, you need to install the USB driver into the personal co... More Details >>
- No:22273
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit , Network/Communication
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Communication setting methods when the FX3U-232-BD is used
The non-protocol communication can be set by the following two methods: (1) setting parameters using a programming tool, such as GX Works2, or (2) writing da... More Details >>
- No:24773
- Release Date:2019/02/27 15:24
- Category: MELSEC-F Series , Engineering Software , Network/Communication
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Regarding maximum number of connections for the simple CPU communication function
The maximum number of connections for the simple CPU communication function of FX5 CPU module is 16 for FX5U/FX5UC CPU module and 8 for FX5UJ/FX5S CPU module... More Details >>
- No:40032
- Release Date:2023/08/24 15:37
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding understanding the differences between Global and Local Labels
Global and local labels have the following differences. Global Label ・This label is available to all programs in the project. ・You can also allocate any d... More Details >>
- No:44622
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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