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FAQ within [ MELSEC-F Series ]
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Storage media of a project file
The project file written in the write-inhibited media, such as FD, CD-R, or CD-RW, cannot be read. (Condition: The standard Windows status without CD-R/RW w... More Details >>
- No:25007
- Release Date:2019/04/23 11:11
- Category: MELSEC-F Series , Engineering Software
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Connecting a DC power supply type extension unit to an AC power supply type main unit
No, they cannot be connected. Connect the units having the same power supply type. More Details >>
- No:25008
- Release Date:2019/04/23 11:12
- Category: MELSEC-F Series , Main Unit
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Number of FX3U-16CCL-M CC-Link master blocks that can be connected to the FX3U series
One FX3U-16CCL-M can be connected to the FX3U series. More Details >>
- No:25009
- Release Date:2019/04/23 11:11
- Category: MELSEC-F Series , Network/Communication
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Connection of a totem pole output encoder
The totem pole output encoder cannot be connected to the FX2NC-1HC/FX2N-1HC/ FX3U-2HC. The connectable encoders are as follows. ・ Open collector output typ... More Details >>
- No:25010
- Release Date:2019/04/23 11:12
- Category: MELSEC-F Series , High-Speed Counting
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External power supply for input(MELSEC-F)
For the MELSEC-F series, only DC power supply type can use an external power supply. More Details >>
- No:22268
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit
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How to use built-in high-speed counters
For contacts to drive the coils of high-speed counters, use the contacts which are normally on during high-speed counting. Do not use the input (X000 to X00... More Details >>
- No:24684
- Release Date:2019/02/22 11:38
- Update:2019/02/22 15:03
- Category: MELSEC-F Series , High-Speed Counting
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Using the FX3U-ENET-ADP and the RS-232C/RS-485 together (FX3U/FX3UC series)
Up to two of the following optional communication equipment, including the FX3U-ENET-ADP (for Ethernet communications), can be used for the FX3U/FX3UC series... More Details >>
- No:24686
- Release Date:2019/02/22 11:40
- Update:2019/02/22 15:16
- Category: MELSEC-F Series , Main Unit , Network/Communication
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Necessity of a battery when a memory cassette is used
A battery is not required when a memory cassette is used. This is because the sequence programsstored in the memory cassette, exceptfor RAM memory cassette, ... More Details >>
- No:24770
- Release Date:2019/02/27 15:00
- Category: MELSEC-F Series , Main Unit , Accessories
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Communication setting methods when the FX3U-232-BD is used
The non-protocol communication can be set by the following two methods: (1) setting parameters using a programming tool, such as GX Works2, or (2) writing da... More Details >>
- No:24773
- Release Date:2019/02/27 15:24
- Category: MELSEC-F Series , Engineering Software , Network/Communication
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If the OUT instruction using the device number of the latch target device exists in a sequence program, the latched data may be overwritten by execution of t... More Details >>
- No:24783
- Release Date:2019/02/27 16:16
- Category: MELSEC-F Series , Engineering Software , Main Unit
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