We recommend you to connect a diode for commutation to the DC load, and surge absorber (C-R) to the AC load for the prot

No, they cannot be connected. Connect the units having the same power supply type.

For the MELSEC-F series, only DC power supply type can use an external power supply.

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

Whether the positioning parameter is used or the extension positioning parameter is used can be selected in BFM#32 (posi

The FX-30P can be used to transfer the programs of the FX3 series.

Clear the required area with the ZRST instruction by using the initial pulse when the programmable controller is set to

One extension cable can be used per system. Two or more extension cables cannot be used.

They can be used together. * 14/24-point type FX3G series main unit ･ An expansion board can be connected to BD1 (1st po

The project file written in the write-inhibited media, such as FD, CD-R, or CD-RW, cannot be read. (Condition: The stand

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MELSEC-F Series

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FAQ within [ MELSEC-F Series ]

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Protection components of relay contacts

We recommend you to connecta diode for commutation to the DC load, and surge absorber (C-R) to the AC load for the protection of the relay contacts. More Details >>
- No：24999
- Release Date：2019/04/23 10:39
- Category： MELSEC-F Series , Main Unit
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
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
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
- Category： MELSEC-F Series , Main Unit
Parameter setting of FX3U-1PG

Whether the positioning parameter is used or the extension positioning parameter is used can be selected in BFM#32 (positioning parameter selection). Select ... More Details >>
- No：24917
- Release Date：2019/04/17 11:40
- Category： MELSEC-F Series , Positioning Control
Program transfer between a handy programming panel (HPP) and a personal computer

The FX-30P can be used to transfer the programs of the FX3 series. More Details >>
- No：24924
- Release Date：2019/04/17 11:41
- Category： MELSEC-F Series , Accessories
Using a fixed latched (battery backed) type device as a general type device

Clear the required area with the ZRST instruction by using the initial pulse when the programmable controller is set to RUN. To clear all the latched type de... More Details >>
- No：24925
- Release Date：2019/04/17 11:42
- Category： MELSEC-F Series , Main Unit
Number of extension cables that can be used per system

One extension cable can be used per system. Two or more extension cables cannot be used. More Details >>
- No：24958
- Release Date：2019/04/18 14:33
- Category： MELSEC-F Series
Connection of expansion boards and a display module to FX3G series main unit

They can be used together. * 14/24-point type FX3G series main unit ･ An expansion board can be connected to BD1 (1st position) and a display module can be... More Details >>
- No：24985
- Release Date：2019/04/23 07:22
- Category： MELSEC-F Series , Main Unit
Storage media of a project file

The project file written in the write-inhibited media, such as FD, CD-R, or CD-RW, cannot be read. (Condition: The standard Windows status without CD-R/RW w... More Details >>
- No：25007
- Release Date：2019/04/23 11:11
- Category： MELSEC-F Series , Engineering Software

11-20 of Total 198

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