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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding FX5S CPU module Terminal Block Removal
You can't put it on or take it off. The terminal block of the FX5S CPU module is a non-removable terminal block. More Details >>
- No:39334
- Release Date:2023/02/14 09:10
- Category: MELSEC iQ-F Series , CPU Module
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Regarding instruction Compatibility Between FX5 CPU modules
The instructions on the FX5 CPU module are compatible. Module-only instructions can be used only for CPU modules that support intelligent function units. More Details >>
- No:40042
- Release Date:2023/08/24 15:46
- Category: MELSEC iQ-F Series , CPU Module
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Regarding Circuit Blocks that cannot be written with Online Program Change.
HIOEN/DHIOEN instructions cannot be written with Online Program Change. In addition, circuit blocks containing positioning instructions or network instructio... More Details >>
- No:44354
- Release Date:2024/03/27 15:47
- Category: MELSEC iQ-F Series , CPU Module
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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
- Category: MELSEC-Q Series
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The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on the same channel. However, when the... More Details >>
- No:22577
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:06
- Category: MELSEC-Q Series
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Socket communication with the built-in Ethernet port of a CPU module
The communication between programmable controllers can be established using the socket communication function instructions. More Details >>
- No:22596
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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QCPU built-in Ethernet port setting when using the simple PLC communication function
The following settings are required for the "Open Setting" for the number of connected external devices. - Protocol: "UDP" - Open System: "MELSOFT connecti... More Details >>
- No:22654
- Release Date:2018/09/03 17:29
- Update:2018/09/21 12:02
- Category: MELSEC-Q Series
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Ladder programs for GX Configurator-FL
When GX Configurator-FL is used, programs for initial settings and cyclic data reading and writing are not needed. More Details >>
- No:22658
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Setting of "Target MODBUS(R) device head number"
Set "(Last five digits of actual device number) - 1" for the Target MODBUS(R) device head number.Example) For the holding register 400018, set "17". More Details >>
- No:22682
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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NTP compatibility of the SNTP function of a built-in Ethernet port QCPU
Because NTP is compatible with SNTP, you can use an NTP server for the time setting. More Details >>
- No:22713
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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