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FAQ within [ MELSEC-F Series ]
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Input filter adjustment when a high-speed counter or the interrupt function is used
When a coil of the high-speed counter or an interrupt pointer is programmed, the programmable controller system adjusts the filter constant of the correspond... More Details >>
- No:24867
- Release Date:2019/04/15 08:06
- Category: MELSEC-F Series , High-Speed Counter
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Turning on/off a specified bit of a word device (D) using a simple program
In the FX programmable controllers (FX3U/FX3UC series), a bit in a word device can be specified in a program. It can be specified as "word device (D only) + ... More Details >>
- No:25011
- Release Date:2019/04/23 11:13
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Meanings of the sink input/source input
The sink input connects to a negative common for 24 V DC. The source input connects to a positive common. The sink input is generally used in Japan and No... More Details >>
- No:22254
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , I/O Extension
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Changing the time of a programmable controller by using the clock data write instruction (TWR)
When changing the time by using the clock data write instruction (TWR), the control of M8015 (Clock stop/adjustment) is not required. * When the clock data... More Details >>
- No:22266
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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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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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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Repair term for the FX programmable controllers after discontinuation of production
Mitsubishi Electric shall accept product repairs for seven years after production of the product is discontinued. However, some products cannot be repaired d... More Details >>
- No:24996
- Release Date:2019/04/23 10:41
- Category: MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories
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How to check the version of the MELSEC-F series
To check the version of the MELSEC-F series, connect GX Works2 (personal computer) or HPP to a programmable controller, and monitor the data in D8001. The l... More Details >>
- No:24772
- Release Date:2019/02/27 15:22
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Thecomment may not have been written tothe programmable controller. Or, the comment display setting may be required on the GX Works2 side. [Writing a com... More Details >>
- No:24681
- Release Date:2019/02/22 11:40
- Update:2019/02/22 14:15
- Category: MELSEC-F Series , Engineering Software , Main Unit
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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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