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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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QnA-compatible 3E frame command (0406) for the built-in Ethernet port QCPU
The built-in Ethernet port QCPU is not compatible with a multiple-block batch read command (0406) of the MC protocol. Executable commands are the following.... More Details >>
- No:22608
- Release Date:2018/09/03 17:29
- Update:2018/09/20 18:09
- Category: MELSEC-Q Series
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The following Diatrend cable can be used.- DQ-U2 More Details >>
- No:22623
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Q series device data held in the case of a power failure
The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Device Setting] window) is held when a pow... More Details >>
- No:22638
- Release Date:2018/09/03 17:29
- Update:2018/09/21 11:37
- Category: MELSEC-Q Series
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Accessing file registers from the built-in Ethernet port QCPU using A-compatible 1E frames
The QnUDE(H)CPU modules with serial numbers with upper 5 digits of "14112" or later indicate compatibility with the function. The accessible device range is ... More Details >>
- No:22645
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Use of an A-compatible 1E frame for the built-in Ethernet port of the built-in Ethernet port QCPU
Check the serial number of the built-in Ethernet port QCPU in use. The Built-in Ethernet port QCPU modules with serial numbers with upper 5 digits of "13102"... More Details >>
- No:22676
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Parameter settings required to use the MODBUS(R) interface module as a slave station
If preset initial values are used, parameters do not need setting.If changing the basic parameter or MODBUS(R) device assignment parameter, use a sequence pr... More Details >>
- No:22680
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Cables connected to the Ethernet port on the universal model QCPU
If a direct connection is made, either type can be used.If making a connection via a hub, use a straight cable. More Details >>
- No:22690
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Input derating is the percentage of simultaneous ON points, one of the specifications applied when input modules are used. When QX42 is used in a temperatur... More Details >>
- No:22692
- Release Date:2018/09/03 17:29
- Update:2018/10/03 16:23
- Category: MELSEC-Q Series
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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
- Category: MELSEC-Q Series
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There are no settings for deleting the network number and PC number. More Details >>
- No:22708
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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