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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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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 Selecting a mapping pattern for PDO communication
On the FX5-CCLGN-MS, select "3rd Transmit PDO Mapping" and "3rd Revive PDO Mapping." The 3rd mapping pattern corresponds to the profile position mode (pp), ... More Details >>
- No:44477
 - Release Date:2024/07/02 19:06
 - Category: MELSEC iQ-F Series , Network/Communication
 
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From the [Module] tab ⇒ [Module FB] in the [Element Selection] window of GX Works3, drag and drop the Module FB you want to use to the program editor. More Details >>
- No:44606
 - Release Date:2024/11/28 16:11
 - Category: MELSEC iQ-F Series , CPU Module , Engineering Software
 
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Battery replacement during power-on
Replacethe battery when the programmable controller is powered off. For example, forthe FX3U/FX3UC series, data will be held for about 20 seconds after be... More Details >>
- No:22257
 - Release Date:2018/08/30 13:48
 - Update:2019/02/19 11:54
 - Category: MELSEC-F Series , Main Unit , Accessories
 
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Periodic replacement is recommended. For example, standard life of FX3U-32BL is 5 years (at ambient temperature of 25). The life of the battery changes wit... More Details >>
- No:22262
 - Release Date:2018/08/30 13:48
 - Category: MELSEC-F Series , Main Unit , Accessories
 
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Regarding the method to check the scan time
The current value of the scan time is stored in the following special devices. Please monitor using GX Works3. ◇Scan information SD520 Current scan time (... More Details >>
- No:22289
 - Release Date:2018/08/30 13:55
 - Update:2023/06/23 10:20
 - Category: MELSEC iQ-F Series , CPU Module , Engineering Software
 
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Regarding CW/CCW(Forward pulse/Reverse pulse) output of the built-in positioning function
FX5U/FX5UC/FX5S CPU modules are supported. Up to 2 axes are available in GX Works3 parameter settings. In addition, up to 8 axes can be added by adding a hi... More Details >>
- No:22306
 - Release Date:2018/08/30 13:55
 - Update:2023/06/23 10:48
 - Category: MELSEC iQ-F Series , CPU Module , Motion/Positioning
 
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Setting of Q series registers whose data is held when a power failure occurs
Assign data registers (D) to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> "Device Setting" window) to hold the data when a po... More Details >>
- No:22601
 - Release Date:2018/09/03 17:29
 - Category: MELSEC-Q Series
 
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QnA-compatible 3E frame command for built-in Ethernet port in LCPU
The built-in Ethernet port in the L series CPU is not compatible with a multiple-block batch read command (0406) of the MC protocol. Executable commands are ... More Details >>
- No:22726
 - Release Date:2018/09/03 17:29
 - Category: MELSEC-L Series
 
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The data logging file transfer function allows for transfer of the logging data to an upper server regularly. It is transferred when data logging is switched... More Details >>
- No:22741
 - Release Date:2018/09/03 17:29
 - Category: MELSEC-L Series
 
 
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