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FAQ within [ MELSEC-F Series ]
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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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Using a specified bit (on/off) of a word device (D) as a condition for a contact
In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decimal point + Bit position (0 to F)". A... More Details >>
- No:22261
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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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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Necessity for installing a noise filter
Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller is used in an environment with much no... More Details >>
- No:22283
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories
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Comparison result of the CMP instruction
A comparison result is held even after the command input turns off. The remaining comparison result can be cleared by using the RST or ZRST instruction. More Details >>
- No:24692
- Release Date:2019/02/27 08:56
- Category: MELSEC-F Series
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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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Program transfer between a handy programming panel (HPP) and a personal computer
The FX-30P can be used to transfer the programs of the FX3 series. More Details >>
- No:24924
- Release Date:2019/04/17 11:41
- Category: MELSEC-F Series , Accessories
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How to use variable analog potentiometers in FX3S
Numerical value data 0 to 255 corresponding tothe scale position is stored in the special data register. You can create the analog timer (volume type) by sp... More Details >>
- No:22279
- Release Date:2018/08/30 13:48
- Update:2019/02/14 10:05
- Category: MELSEC-F Series , Main Unit , Analog Control
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[F2-40BL] F1/F1J/F2 series, FX1/FX2/FX2C/FX2N series, and FX-20GM/E-20GM [FX1N-BAT] FX1N series* [FX3U-32BL] FX3G*/FX3GC/FX3U/FX3UC series and FX-30P [FX2N... More Details >>
- No:22282
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
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Assignment of input/output numbers (MELSEC-F series)
Octal numbers are assigned as input/output numbers for the MELSEC-F series. The octal number system uses the digits from 0 to 7 → from 10 to 17 → from 20 to... More Details >>
- No:24868
- Release Date:2019/04/15 08:06
- Category: MELSEC-F Series , Engineering Software , Main Unit
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