Check whether the lamp is back to normal after disconnecting the wiring of the "24V" (service power supply) terminal. I

Whether the terminal block is removable or not differs depending on the series. Types of the terminal blocks for the MEL

"E" represents AC power supply and "D" represents DC power supply. The alphabets following "E" and "D" represent output

When a personal computer (GX Works2) is connected to the RS-232C port of a programmable controller, communications betwe

Check that the RST instruction of the high-speed counter is not executed while the program is running. For the high-spe

If the OUT instruction using a latched (battery backed) type auxiliary relay number exists in a sequence program, the in

D128 to D1099 are the latched device area. D1100 to D7999 can be changed to latched (battery backed) type devices by ins

The following models from the FX3 series support the extended register (R). FX3U/FX3UC series: R0-R32767, FX3G series: R

In the FX1S/FX1N/FX2N series, only the expansion board for special adapter connection can be used together with the spec

When the count condition of the counter in the MC circuit remains set, the counter counts when the MC circuit is turned

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FAQ within [ Main Unit ]

1-10 of Total 126

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The power supply lamp of a running programmable controller suddenly turned off or flashes

Check whether the lamp is back to normalafter disconnecting the wiring of the "24V" (service power supply) terminal. Ifthe lamp is back to normal,the servic... More Details >>
- No：22267
- Release Date：2018/08/30 13:48
- Update：2019/02/19 11:53
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
Models of the MELSEC-F series main units

"E" represents AC power supply and "D" represents DC power supply. The alphabets following "E" and "D" represent output types. "S" represents replay output... More Details >>
- No：24776
- Release Date：2019/02/27 15:35
Communications with a personal computer after the communication parameters for the RS-232C communication equipment are set

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
Counting of a built-in high-speed counter

Check that the RST instruction ofthe high-speed counter is not executed whilethe program is running. Forthe high-speed counter which supports the external r... More Details >>
- No：24787
- Release Date：2019/02/28 09:06
Use of latched (battery backed) type auxiliary relay

If the OUT instruction using a latched (battery backed) type auxiliary relay number exists in a sequence program, the information held may be overwritten by ... More Details >>
- No：24877
- Release Date：2019/04/15 08:07
Latched (battery backed) area in the data register (D) of the FX3G/FX3GC series

D128 to D1099 are the latched device area. D1100 to D7999 can be changed to latched (battery backed) type devices by installing an optional battery and setti... More Details >>
- No：24901
- Release Date：2019/04/15 11:31
Models from the FX programmable controllers that support the extended register (R)

The following models from the FX3 series support the extended register (R). FX3U/FX3UC series: R0-R32767, FX3G series: R0-R23999 More Details >>
- No：24904
- Release Date：2019/04/15 11:31
Using an expansion board and a special adapter together

In the FX1S/FX1N/FX2N series, only the expansion board for special adapter connection can be used together with the special adapter. In the FX3G series (onl... More Details >>
- No：24906
- Release Date：2019/04/15 11:32
Measurement of the counter in the MC (master control) circuit

When the count condition of the counter in the MC circuit remains set, the counter counts when the MC circuit is turned on. More Details >>
- No：24910
- Release Date：2019/04/15 11:32

1-10 of Total 126

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