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FAQ within [ 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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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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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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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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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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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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Turning on a bit in the data register
In the FX3U/FX3UC series, the bit specification of the data register is possible. (Example) D0.7→7th bit in D0 For the other types of MELSEC-F programmable... More Details >>
- No:22275
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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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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For the sink input, the "S/S" terminal and the "24V" terminal are needed to be short-circuited. More Details >>
- No:22263
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , I/O Extension
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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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