When the total number of characters in the drive/path and project name exceeds 149 one-byte characters (74 two-byte char

For "Remote Net(Ver.2 Mode)", the number of remote I/O's remote registers (RWw, RWr) is "0 Point".

Make sure to turn off the power of the programmable controller before replacing the battery. Replacing the battery wh

It depends on the model of the CPU module, the amount of battery consumption, and the power-on time ratio.Example) For Q

The built-in Ethernet port QCPU is not compatible with a multiple-block batch read command (0406) of the MC protocol. E

Make settings of the built-in Ethernet port in the [Built-in Ethernet Port Setting] tab of the PLC parameter in GX Work

The following Diatrend cable can be used.- DQ-U2

Products earlier than version 8.58L do not support a project in which the following parameters are set. All the paramete

If preset initial values are used, parameters do not need setting.If changing the basic parameter or MODBUS(R) device as

Set "(Last five digits of actual device number) - 1" for the Target MODBUS(R) device head number.Example) For the holdin

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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CPU Module(179)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

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I cannot open a project file of PX Developer.

When the total number of characters in the drive/path and project name exceeds 149 one-byte characters (74 two-byte characters), the message "The drive path ... More Details >>
- No：22947
- Release Date：2018/09/03 17:30
- Update：2018/09/25 10:58
- Category： Engineering Software
Number of remote registers assigned to a remote I/O station

For "Remote Net(Ver.2 Mode)", the number of remote I/O's remote registers (RWw, RWr) is "0 Point". More Details >>
- No：22973
- Release Date：2018/09/03 17:31
- Category： Network related products
Battery replacement

Make sure to turn off the power of the programmable controller before replacing the battery. Replacing the battery while the power of the programmable con... More Details >>
- No：22509
- Release Date：2018/09/03 17:28
- Update：2018/09/20 13:24
- Category： MELSEC-Q Series
Battery life

It depends on the model of the CPU module, the amount of battery consumption, and the power-on time ratio.Example) For Q06HCPU with power-on time ratio of 50... More Details >>
- No：22523
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
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
Settings of the built-in Ethernet port of the universal model QCPU

Make settings of the built-in Ethernet port in the [Built-in Ethernet Port Setting] tab of the PLC parameter in GX Works2 or GX Developer. More Details >>
- No：22618
- Release Date：2018/09/03 17:29
- Update：2018/09/21 10:06
- Category： MELSEC-Q Series
Cables for CPU modules

The following Diatrend cable can be used.- DQ-U2 More Details >>
- No：22623
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Opening a project in an old version of GX Developer

Products earlier than version 8.58L do not support a project in which the following parameters are set. All the parameters are set to their default values be... More Details >>
- No：22666
- Release Date：2018/09/03 17:29
- Update：2018/09/21 13:53
- Category： MELSEC-Q Series
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
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

41-50 of Total 1010

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