You may have already placed a main base unit in the module configuration diagram. Scroll up or down in the module confi

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

Those displayed under COMMENT are common comments, and others are program comments.When there are multiple programs in a

The QnUDE(H)CPU modules with serial numbers with upper 5 digits of "14112" or later indicate compatibility with the func

For 100BASE-TX, shielded twisted pair cables (STP cables) with category 5 can be used.For 10BASE-T, Straight and unshiel

The maximum number of steps that an online change can process at a time is 512.

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

Yes.You can also purchase MX Works, a set of MX Sheet and MX Component.

(1) Use separate cables for the AC control circuit and the external input signals of an analog input module to avoid the

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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FAQ within [ Programmable Controllers MELSEC ]

71-80 of Total 1010

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I cannot place a main base unit in a module configuration diagram with GX Works3.

You may have already placed a main base unit in the module configuration diagram. Scroll up or down in the module configuration diagram and check if a main ... More Details >>
- No：22487
- Release Date：2018/09/03 17:28
- Update：2018/09/20 09:37
- Category： MELSEC iQ-R Series
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
Device comment

Those displayed under COMMENT are common comments, and others are program comments.When there are multiple programs in a project, a common comment applies to... More Details >>
- No：22540
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
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
Recommended cables for the MODBUS(R) interface module QJ71MT91

For 100BASE-TX, shielded twisted pair cables (STP cables) with category 5 can be used.For 10BASE-T, Straight and unshielded twisted pair cables (UTP cables) ... More Details >>
- No：22659
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2

The maximum number of steps that an online change can process at a time is 512. More Details >>
- No：22672
- Release Date：2018/09/03 17:29
- 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
Necessity for MX Component when MX Sheet is used

Yes.You can also purchase MX Works, a set of MX Sheet and MX Component. More Details >>
- No：22707
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
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
- Category： MELSEC-Q Series

71-80 of Total 1010

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