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FAQ within [ MELSEC-Q Series ]
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When a message indicating that "the memory space is insufficient" appears during online change
This problem occurs because the consecutive free memory space for temporarily storing the program during online change is insufficient. In this case, perform... More Details >>
- No:22722
- Release Date:2018/09/03 17:29
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Detecting the connection between a built-in Ethernet port QCPU and hub
You can check the connection to the hub with bit 10 of the special register SD1288. When bit 10 of the SD1288 is on, the QCPU is in connection with the hub. More Details >>
- No:22712
- Release Date:2018/09/03 17:29
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SD memory cards used for Q24DHCCPU-V
Mitsubishi Electric's SD memory cards, which can be installed into Q24DHCCPU-V, are shown below. - NZ1MEM-2GBSD (memory capacity: 2Gbytes) - NZ1MEM-4GBSD (... More Details >>
- No:22711
- Release Date:2018/09/03 17:29
- Update:2018/09/22 08:58
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How to suppress the instability of digital-converted output values
(1) Use separate cables for the AC control circuit and the external input signals of an analog input module to avoid the influence of the AC side surges an... More Details >>
- No:22709
- Release Date:2018/09/03 17:29
- Update:2018/09/21 15:11
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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
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How to check automatically assigned devices in GX Works2
Click the local label to be checked and select "Cross Reference" from the right-click menu to check the devices. More Details >>
- No:22700
- Release Date:2018/09/03 17:29
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USB cable type for CPU modules
It is the miniB-type. More Details >>
- No:22677
- Release Date:2018/09/03 17:29
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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
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Cost of runtime licenses for VxWorks
The cost is included in the price of C Controller modules. Extra payment is not required. More Details >>
- No:22653
- Release Date:2018/09/03 17:29
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Whether or not totem pole output type encoders are connected
Totem pole output encoders cannot be connected to QD62.The following types of encoders can be connected.- Open collector output type encoders- CMOS level vol... More Details >>
- No:22641
- Release Date:2018/09/03 17:29
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