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- FAQ > Controllers > Programmable Controllers MELSEC
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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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The "S/S" terminal is used to switch the input type (sink input and source input). For the source input, connect the "S/S" terminal to the "0V" terminal, a... More Details >>
- No:22255
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , I/O Extension
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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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The error code "2200" is "MISSING PARA.". The causes of the error are described below. (1) The necessary parameter file does not exist in all drives. (2) ... More Details >>
- No:22749
- Release Date:2018/09/03 17:29
- Update:2018/09/22 09:12
- Category: MELSEC-L Series
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The error code "2401" is "FILE SET ERROR". The individual information parameter number "1100H" corresponds to a file register. The cause of the error is th... More Details >>
- No:22535
- Release Date:2018/09/03 17:28
- Update:2018/09/20 14:46
- Category: MELSEC-Q Series
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Uninstalling GX Works2 before the installation of GX Works3
You do not have to uninstall GX Works2 before installing GX Works3. You can install GX Works3 into your computer where GX Works2 has already been installed. More Details >>
- No:22464
- Release Date:2018/09/03 17:28
- Update:2018/09/18 16:20
- Category: MELSEC iQ-R Series
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M8029 (Instruction execution complete flag) is shared with multiple instructions. To obtain an execution completion result of a specific instruction, insert... More Details >>
- No:24775
- Release Date:2019/02/27 15:34
- Category: MELSEC-F Series , Network related products , Main Unit
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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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When the message "An unusable COM port was specified" is displayed
RS-232 is selected as PC side I/F in Transfer Setup of GX Developer or GX Works2.Change the setting in PC side I/F to USB. More Details >>
- No:22517
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Insufficient memory capacity for sequence programs
It cannot be increased by installing an SRAM card. The size of executable program depends on the program memory size of the CPU. Use another CPU of which p... More Details >>
- No:22578
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:09
- Category: MELSEC-Q Series
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Regarding the latch settings of data register
It is necessary to set the latch range from the following GX Works3 parameters: [Navigation Window] -> [CPU Parameters] -> [Device/Memory Settings] -&... More Details >>
- No:22329
- Release Date:2018/08/30 13:55
- Update:2023/02/13 11:04
- Category: CPU Module , Engineering Software
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