The keeping (latched device data) range is fixed and cannot be changed in parameters. (Reference) [When an optional bat

Perform "Rebuild All" and initialize the memory before writing to the PLC. "Rebuild All" converts the entire project and

The error code "2401" is "FILE SET ERROR". The individual information parameter number "1100H" corresponds to a file reg

This problem can be workarounded by upgrading software products made by other companies to the latest version or uninsta

Up to 63 files can be handled simultaneously. In addition, up to 1000 files can be created by creating FIFO function fil

Numerical value data 0 to 255 corresponding to the scale position is stored in the special data register. You can create

It is impossible. Battery replacement is essential in clearing the battery error and the power of the programmable contr

After removing the error factor, you can clear it by executing "Clear latest error code" from "Diagnostic" - "Simple CPU

M384 to M1535 and D128 to D1099 can be latched. M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch a

In the FX programmable controllers (FX3U/FX3UC series), a bit in a word device can be specified in a program. It can be

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Controllers > Programmable Controllers MELSEC

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(643)

CPU Module(179)
I/O Module(5)
Analog(16)
High-Speed Counter(14)
Motion/Positioning(11)
Network/Communication(97)
Option(9)
Engineering Software(61)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

931-940 of Total 1010

prev 94 / 101page next

How to change the keeping (latched device data) range (FX3G/FX3GC)

The keeping (latched device data) range is fixed and cannot be changed in parameters. (Reference) [When an optional battery is not used] The keeping ran... More Details >>
- No：22260
- Release Date：2018/08/30 13:48
- Update：2019/02/19 11:52
- Category： MELSEC-F Series , Engineering Software , Main Unit , Accessories
Regarding a mismatch found in the monitoring function of GX Works3

Perform "Rebuild All" and initialize the memory before writing to the PLC. "Rebuild All" converts the entire project and "Convert" only coverts the modified... More Details >>
- No：22293
- Release Date：2018/08/30 13:55
- Update：2023/02/13 15:31
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Error code "2401" in QCPU

The error code "2401" is "FILE SET ERROR". The individual information parameter number "1100H" corresponds to a file register. The cause of the error is th... More Details >>
- No：22535
- Release Date：2018/09/03 17:28
- Update：2018/09/20 14:46
- Category： MELSEC-Q Series
Error in simulation in GX Works2

This problem can be workarounded by upgrading software products made by other companies to the latest version or uninstalling them.For more details, refer to... More Details >>
- No：22570
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Number of files that can be created inside a CF card in the FX3U-CF-ADP

Up to 63 files can be handled simultaneously. In addition, up to 1000 files can be created by creating FIFO function files. * The total capacity of the files... More Details >>
- No：24944
- Release Date：2019/04/18 14:26
- Category： MELSEC-F Series , Main Unit , I/O Extension , Accessories
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
Clearing the battery error without resetting the CPU module

It is impossible. Battery replacement is essential in clearing the battery error and the power of the programmable controller must be turned off before the... More Details >>
- No：22510
- Release Date：2018/09/03 17:28
- Update：2018/09/20 13:27
- Category： MELSEC-Q Series
Regarding how to clear simple CPU communication function errors

After removing the error factor, you can clear it by executing "Clear latest error code" from "Diagnostic" - "Simple CPU Communication Diagnostic" in GX Work... More Details >>
- No：40049
- Release Date：2023/08/25 09:06
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Latch (backup) areas in the auxiliary relay (M), data register (D), and extended register (R) of the FX3G/FX3GC series

M384 to M1535 and D128 to D1099 can be latched. M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch areas by installing an optional batt... More Details >>
- No：24703
- Release Date：2019/02/27 08:59
- Category： MELSEC-F Series , Engineering Software , Main Unit , Accessories
Turning on/off a specified bit of a word device (D) using a simple program

In the FX programmable controllers (FX3U/FX3UC series), a bit in a word device can be specified in a program. It can be specified as "word device (D only) + ... More Details >>
- No：25011
- Release Date：2019/04/23 11:13
- Category： MELSEC-F Series , Engineering Software , Main Unit

931-940 of Total 1010

Inquiries

page top