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FAQ within [ MELSEC-F Series ]
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Externally switching the operating status of a programmable controller
On the Project view of the Navigation window, select "Parameter" → "PLC Parameter" using GX Works2 (or GX Developer). Click the "PLC System(1)" tab, and set ... More Details >>
- No:24768
- Release Date:2019/02/27 15:01
- Category: MELSEC-F Series , Engineering Software , Main Unit
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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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Connecting a USB interface of a personal computer to a programmable controller
・ The FX-USB-AW can be used for the programmable controllers except for the FX3S/FX3G/FX3GC series. ・ Since the FX3S/FX3G/FX3GC series have the built-in USB... More Details >>
- No:24707
- Release Date:2019/02/27 09:00
- Category: MELSEC-F Series
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Types of Batteries used in MELSEC-F
F2-40BL: Lithium thionyl chloride primary battery FX2NC-32BL: Lithium thionyl chloride primary battery FX3U-32BL: Manganese dioxide lithium primary battery F... More Details >>
- No:22265
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
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Transferring/editing programs in the previous FX programmable controllers using GX Works2
The earlier series of the FX programmable controllers are compatible with the latest series of the FX programmable controllers. More Details >>
- No:25012
- Release Date:2019/04/23 11:16
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Overwriting a current value with the high-speed counter comparison instruction
The output contact is activated according to the change of the current value register along with the counting input. Therefore, the value changed by executin... More Details >>
- No:24931
- Release Date:2019/04/17 11:43
- Category: MELSEC-F Series , Main Unit
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Clock function accuracy of the MELSEC-F series
The accuracy is within ±45 seconds/month (ambient temperature: 25ºC). More Details >>
- No:24778
- Release Date:2019/02/27 15:57
- Category: MELSEC-F Series , Main Unit
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Battery replacement during power-on
Replacethe battery when the programmable controller is powered off. For example, forthe FX3U/FX3UC series, data will be held for about 20 seconds after be... More Details >>
- No:22257
- Release Date:2018/08/30 13:48
- Update:2019/02/19 11:54
- Category: MELSEC-F Series , Main Unit , Accessories
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Differences between the FX3UC-32MT-LT and the FX3UC-32MT-LT2
The built-in CC-Link/LT setting differs. For the FX3UC-32MT-LT, the built-in CC-Link/LT setting is performed with the DIP switch. For the FX3UC-32MT-LT2, th... More Details >>
- No:24956
- Release Date:2019/04/18 14:28
- Category: MELSEC-F Series , Main Unit , Network/Communication
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Types of data backup methods (FX3G series)
1. Data backup using an optional battery Built-in RAM data and clock data of a programmable controller are held by using an optional battery. The life of... More Details >>
- No:24701
- Release Date:2019/02/27 08:59
- Category: MELSEC-F Series , Engineering Software , Main Unit , Accessories
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