In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decim

In order for the programmable controller to receive input pulses completely, the ON duration and OFF duration of inputs

For output terminals of a programmable controller, one common terminal is used for 1, 2, 4, or 8 output points. Each com

The communication format can be set in the communication setting of a sequence program or "PLC Parameter setting" using

Day of week is automatically set. When data written to the data register for storing day-of-the-week data is within the

To establish communications between the programmable controller and GX Developer, clear the communication setting. (The

Replace the battery when the programmable controller is powered off. For example, for the FX3U/FX3UC series, data wil

The present scan time is stored in D8010. Monitor the value using a programming tool such as GX Works2 and GX Developer.

Since they are octal, the number after X7 is X10 and after X77 is X100.

For the sink input, the "S/S" terminal and the "24V" terminal are needed to be short-circuited.

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FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit

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FAQ within [ Main Unit ]

61-70 of Total 126

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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
Receiving short pulses

In order for the programmable controller to receive input pulses completely, the ON duration and OFF duration of inputs in the programmable controller requir... More Details >>
- No：24704
- Release Date：2019/02/27 09:00
COM terminal for outputs

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
Communication format setting

The communication format can be set in the communication setting of a sequence program or "PLC Parameter setting" using GX Developer. To avoid setting troub... More Details >>
- No：24929
- Release Date：2019/04/17 11:42
Setting day of the week when using the TWR instruction (FX3 series)

Day of week is automatically set. When data written to the data register for storing day-of-the-week data is within the setting range (K = 0 to 6), the day ... More Details >>
- No：24777
- Release Date：2019/02/27 15:57
No communication between a programmable controller and a personal computer (GX Developer) after the communication parameters for the RS-232C communication equipment are set

To establish communications between the programmable controller and GX Developer, clear the communication setting. (The communication setting register value ... More Details >>
- No：24876
- Release Date：2019/04/15 08:07
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
How to check the scan time (MELSEC-F series)

The present scan time is stored in D8010. Monitor the valueusing a programming tool such as GX Works2 and GX Developer. More Details >>
- No：24685
- Release Date：2019/02/22 11:40
- Update：2019/02/22 15:07
Input numbers of the FX programmable controllers

Since they are octal, the number after X7 is X10 and after X77 is X100. More Details >>
- No：25000
- Release Date：2019/04/23 10:39
Input wiring (FX3 series)

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

61-70 of Total 126

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