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FAQ within [ Main Unit ]
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Number of occupied points of special function devices
Each special function unit/block has 8 occupied points, except for some special function devices. These 8 points do not occupy 8 points of the actual I/O n... More Details >>
- No:24873
- Release Date:2019/04/15 08:06
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When a personal computer (GX Works2) is connected to the RS-232C port of a programmable controller, communications between the personal computer and the prog... More Details >>
- No:24782
- Release Date:2019/02/27 16:10
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For output terminals of a programmable controller, one common terminal is used for 1, 2, 4, or 8 output points. Each common line is assigned with a different... More Details >>
- No:24780
- Release Date:2019/02/27 15:58
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Terminal blocks for the MELSEC-F series
Whether the terminal block is removable or not differs depending on the series. Types of the terminal blocks for the MELSEC-F series main units are as follow... More Details >>
- No:24774
- Release Date:2019/02/27 15:34
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How to set battery-less operation(FX3U/FX3UC)
To perform battery-less operation in the FX3U/FX3UC series, set parameters using GX Works2(or GX Developer). Please refer to the following manual for furt... More Details >>
- No:22277
- Release Date:2018/08/30 13:48
- Update:2019/02/19 08:47
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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
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Remote maintenance can be performed by writing a program to a memory cassette and sending the program or by using a personal computer (GX Developer). With a ... More Details >>
- No:24998
- Release Date:2019/04/23 10:38
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Operation of the first special function unit/block in the FX3UC series
Usually, unit number of the first special function unit/block is "K0". However, when the main unit is FX3UC-32MT-LT(-LT2), the unit number "K0" is assigned t... More Details >>
- No:24995
- Release Date:2019/04/23 10:40
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Current value of the battery voltage in the FX3U/FX3UC series
The current value of the battery voltage is stored in the special data register D8005 (battery voltage). More Details >>
- No:24942
- Release Date:2019/04/18 14:25
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Differences in the specifications between the programmable controllers used in Japan and overseas.
The input signal forms are different. All the programmable controllers for the domestic market other than the FX3G/FX3U series are the sink input. The progra... More Details >>
- No:24913
- Release Date:2019/04/17 11:39
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