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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding the text color of file names
The data name shown in "red" means "unconverted data" or "unused data before conversion." Data name displayed in 'light blue' means "unused". If a conversio... More Details >>
- No:39345
- Release Date:2023/02/15 10:06
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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The LCPU error code 4116 is displayed when a built-in I/O instruction that is disabled in the parameter setting is executed. Check for the parameter settings... More Details >>
- No:22807
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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Connecting special adapters to FX3U series
Anexpansion board is required. (However, it is not required when connecting only the special high-speed I/O adapter.) More Details >>
- No:24934
- Release Date:2019/04/18 14:23
- Category: MELSEC-F Series , Main Unit , I/O Extension
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Regarding the built-in analog input/output function
FX5U CPU module has 2 built-in voltage input channels (DC0~10V) and 1 built-in voltage output channel (DC0~10V). If an external resister is connected, the m... More Details >>
- No:22313
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:47
- Category: MELSEC iQ-F Series , CPU Module , Analog
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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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The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O assignment setting of the PLC parame... More Details >>
- No:22650
- Release Date:2018/09/03 17:29
- Update:2018/09/21 11:47
- Category: MELSEC-Q Series
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It represents the number of characters that can be written. By changing "(32)," you can write up to 255 characters. More Details >>
- No:39353
- Release Date:2023/02/15 10:07
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Counting of a built-in high-speed counter
Check that the RST instruction ofthe high-speed counter is not executed whilethe program is running. Forthe high-speed counter which supports the external r... More Details >>
- No:24787
- Release Date:2019/02/28 09:06
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Maximum number of characters in a comment that can be transferred to a FX3U series
As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. However, the maximum number of characters ... More Details >>
- No:24700
- Release Date:2019/02/27 08:59
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Automatically assigned devices in GX Works2
Yes.Beginning with the device in the "Device/Label Automatic-Assign Setting" window, devices are assigned in descending order (from the greatest device numbe... More Details >>
- No:22846
- Release Date:2018/09/03 17:30
- Category: Engineering Software
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