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FAQ within [ MELSEC-Q Series ]
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How to set file register setting
No setting is required.File registers are enabled by default in basic model QCPU. More Details >>
- No:22555
- Release Date:2018/09/03 17:29
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Battery replacement for High-Performance model QCPU
The contents of the program memory, the standard RAM, and latch devices are not erased if the battery replacement is completed within three minutes, which is... More Details >>
- No:22568
- Release Date:2018/09/03 17:29
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Writing comments to the standard ROM in Q series
To write in the standard ROM, select [Online] -> [Write to PLC] (Flash ROM) More Details >>
- No:22572
- Release Date:2018/09/03 17:29
- Update:2018/09/20 16:54
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Auto refresh setting in GX Configurator -MB
Auto refresh setting is for storing the buffer memory data of a MODBUS (R) interface module to specified devices of a CPU module and for storing device data ... More Details >>
- No:22573
- Release Date:2018/09/03 17:29
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FL-net interface module setting
The auto refresh setting is not required. However, making the setting can reduce communication programs. More Details >>
- No:22588
- Release Date:2018/09/03 17:29
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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
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GX Works2's compatibility with the A series modules
GX Developer is automatically launched when A series is selected as a new project in GX Works2.For the A series modules, use GX Developer. More Details >>
- No:22594
- Release Date:2018/09/03 17:29
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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
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Difference between redundant systems and the multiple CPU systems
- Redundant systems A redundant system offers improved system reliability, as it consists of two basic systems, each of which includes a CPU module, powe... More Details >>
- No:22609
- Release Date:2018/09/03 17:29
- Update:2018/09/20 18:14
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COMMENT to disappear after a PLC type change
Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. More Details >>
- No:22625
- Release Date:2018/09/03 17:29
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