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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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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
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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
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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
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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
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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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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
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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
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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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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
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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
- Category: MELSEC-Q Series
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