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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Adding two channels of the RS-232C port in the FX3G series
Select the 40-point or 60-point type FX3G series main unit. In this case, two FX3G-232-BDs can be connected. When FX3G-CNV-ADP is used, anFX3U-232ADP can be ... More Details >>
- No:24926
- Release Date:2019/04/17 11:42
- Category: MELSEC-F Series , Main Unit
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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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Regarding communication with MX Component
For MX Component Ver.5, Ver. 5.000A or later supports the FX5U/FX5UC/FX5UJ CPU modules, and Ver. 5.003D or later supports the FX5S CPU module. Also, both se... More Details >>
- No:22328
- Release Date:2018/08/30 13:55
- Update:2023/02/15 13:07
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software , Network/Communication
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Multiplication in the Structured Text
Basic arithmetic operations cannot be performed on unsigned words. Please assign the multiplier to a signed (single/double) word. More Details >>
- No:22886
- Release Date:2018/09/03 17:30
- Category: Engineering Software
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Index modifier of bit devices in the FX3G series
The FX3G series does not support the index modifier for the bit devices. The FX3U/FX3UC series supports this function. More Details >>
- No:24959
- Release Date:2019/04/18 14:35
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Regarding how to generate a false error
There is no function to generate a false error. For example, if operand (s2): divisor is set to "0" in the division command and the command is executed, err... More Details >>
- No:44610
- Release Date:2024/11/28 16:11
- Category: MELSEC iQ-F Series , CPU Module
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Regarding differences between Analog Module and Analog Adapters
FX5-4AD and FX5-4DA are intelligent function Modules. ・Connect to the right side of the CPU Module. ・Control via buffer memory (BFM). ・It also supports ... More Details >>
- No:44347
- Release Date:2024/03/27 15:21
- Category: MELSEC iQ-F Series , Analog
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By using the Time calculation FB library, you can perform calculations that across years, months and days. In the time calculation FB library, you can add an... More Details >>
- No:44362
- Release Date:2024/03/27 16:03
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Special auxiliary relay which is always on (MELSEC-F)
M8000 More Details >>
- No:22258
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Regarding the maximum number of controllable axes of the bulit-in positioning function
Up to 4 axes can be controlled. Please use a transistor output type CPU module. (By adding a high speed pulse input/output module, maximum 12 axes (CPU bui... More Details >>
- No:22300
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:52
- Category: MELSEC iQ-F Series , CPU Module , Motion/Positioning
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