FAQ
FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-Q Series
FAQ
Keyword Search
FAQ within [ MELSEC-Q Series ]
-
Setting of Q series registers whose data is held when a power failure occurs
Assign data registers (D) to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> "Device Setting" window) to hold the data when a po... More Details >>
- No:22601
- Release Date:2018/09/03 17:29
-
Procedure for developing programs
It is necessary to install a development environment (Tornado or Wind River Workbench) and set parameters using the Setting/monitoring tools for the C Cont... More Details >>
- No:22600
- Release Date:2018/09/03 17:29
- Update:2018/09/21 18:52
-
Set as follows in the Transfer Setup window. - Select "USB" for "PC side I/F". - Select "GOT" for "PLC side I/F" and select "via GOT (direct coupled) tra... More Details >>
- No:22598
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:55
-
Life expectancy of the CompactFlash card used in the high speed data logger module
The life expectancy is determined by the following calculation.Life expectancy (year) = Total writable size (GB) / 1 year write size (GB/year)For more detail... More Details >>
- No:22592
- Release Date:2018/09/03 17:29
-
Behavior of sequence program in event of momentary power failure in QCPU
(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time When the momentary power failure occurs, t... More Details >>
- No:22587
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:41
-
It includes sample comments for special relay/special register and the intelligent function module. On the menu of GX Works2, select [Edit] -> [Import ... More Details >>
- No:22581
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:12
-
Corrective action when the program size exceeds the capacity
If comments and symbolic information are stored in the program memory, write them in the standard ROM. More Details >>
- No:22560
- Release Date:2018/09/03 17:29
-
Boot operation from the standard ROM
The boot operation from the standard ROM is not possible.The program memory of universal model QCPU is a flash ROM.Thus, writing in the program memory achiev... More Details >>
- No:22553
- Release Date:2018/09/03 17:28
-
Heat generation of Q61P power supply module
Since the conversion efficiency of the power supply module is approximately 70%, and 30% of the output power is dissipated as heat, the power consumption is ... More Details >>
- No:22529
- Release Date:2018/09/03 17:28
-
USB driver installation procedure
For the USB driver installation procedure, refer to the following manuals.- GX Developer Version 8 Operating Manual (Startup) Chapter 3- GX Works2 Version 1 ... More Details >>
- No:22502
- Release Date:2018/09/03 17:28
151-160 of Total 213