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FAQ within [ MELSEC-Q Series ]
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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
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GX Works2's compatibility with Monitor (write mode)
From version 1.62Q, GX Works2 supports Monitor (write mode). Pressing Shift+F4 allows an online change. More Details >>
- No:22612
- Release Date:2018/09/03 17:29
- Update:2018/09/20 18:18
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How to copy comments from GX Developer to GX Works2
Launch GX Works2, select [Project] -> [Open Other Project], and read the data created with GX Developer. Copy the comment from the list of device comme... More Details >>
- No:22526
- Release Date:2018/09/03 17:28
- Update:2018/09/20 14:32
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Changing to the monitor write mode automatically changes the online change setting in Options to "Write during RUN (while PLC is running)".With returning to ... More Details >>
- No:22541
- Release Date:2018/09/03 17:28
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Grounding FG and LG terminals of power supply module
Both of them need to be grounded. They can be shorted and grounded as one cable. More Details >>
- No:22527
- Release Date:2018/09/03 17:28
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Turning ON/OFF annunciators (F)
The data in the special registers SD62 to SD79 change with the following process. - Turn ON the registers with OUT and SET instructions. - Turn OFF the r... More Details >>
- No:22649
- Release Date:2018/09/03 17:29
- Update:2018/09/21 11:45
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Synchronizing the internal clock of a universal model QCPU
- When a built-in Ethernet port QCPU is used You can synchronize it with the server using the time setting function. -When a module other than built-in ... More Details >>
- No:22723
- Release Date:2018/09/03 17:29
- Update:2018/09/21 15:53
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How to check errors with error codes of QD75
Errors can be checked with the following error detection signals and buffer memory areas corresponding to each axis.- Axis 1 Error detection X8 Buffer memor... More Details >>
- No:22667
- Release Date:2018/09/03 17:29
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Fixed scan execution type (program setting item)
A fixed scan execution type program is a program executed at specified time intervals. This type of programs, unlike interrupt programs, can be interrupted i... More Details >>
- No:22617
- Release Date:2018/09/03 17:29
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Memory allocation for online change in GX Developer
Select [Online] -> [Write to PLC] on the menu of GX Developer, open the [File selection] tab, and press "Param + Prog" button. Then open the [Program] ta... More Details >>
- No:22547
- Release Date:2018/09/03 17:28
- Update:2018/09/20 15:09
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