FAQ


FAQAbout Products

- FAQ > Controllers > Programmable Controllers MELSEC
FAQ
Keyword Search
Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
-
How to specify intelligent function module devices
For "U**", set the first two digits of the start I/O number of an intelligent function module in three-digit representation.Example) For X/Y1F0, set "U1F". More Details >>
- No:22704
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
How to increase file register capacity
An SRAM card can increase file register capacity.1MB/2MB/4MB/8MB SRAM cards are available.The numbers of file registers that can be used with a 1MB, 2MB, 4MB... More Details >>
- No:22687
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2
The maximum number of steps that an online change can process at a time is 512. More Details >>
- No:22672
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
How to write to file registers in Q series
Specify the file in the Write to PLC window and execute writing. More Details >>
- No:22585
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
Cause of file register reset by latch clear operation in universal model QCPU
If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation. Set Latch (2) to maintain t... More Details >>
- No:22584
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:31
- Category: MELSEC-Q Series
-
Difference between QH42P and QX41Y41P
The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output. QX41Y41P uses sequential I/O numbers... More Details >>
- No:22539
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
-
Usage of PIDCONT instruction in process CPU
No. More Details >>
- No:22536
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
-
Regarding Input Response Frequency Difference between FX5-2HC/ES and Conventional Model (FX3U-2HC)
The input response frequencies of the FX5-2HC/ES and FX3U-2HC differ as shown below. FX5-2HC/ES・・・2MHz FX3U-2HC・・・200kHz More Details >>
- No:44340
- Release Date:2024/03/20 13:31
- Category: MELSEC iQ-F Series , High-Speed Counter
-
Yes, it is possible. To set the programmable controller to RUN again, while the programmable controller is stopped, set the built-in RUN/STOP switch as follo... More Details >>
- No:24965
- Release Date:2019/04/23 07:18
- Category: MELSEC-F Series , Main Unit
-
Analog input modules that can be used in the FX3G series
The FX3G-2AD-BD (2-channel analog input expansion board), FX3U-4AD-ADP (4-channel analog input special adapter), and FX3U-3A-ADP (2-channel analog input/1-ch... More Details >>
- No:24960
- Release Date:2019/04/23 07:17
- Category: MELSEC-F Series , Analog Control
731-740 of Total 1010