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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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The contents of the standard RAM and latch devices are not erased if the battery replacement is completed within three minutes, which is the backup power tim... More Details >>
- No:22733
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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Programing example of heating/cooling control
The following shows an example of heating/cooling control using split control. * For details, refer to the "Programmable Controllers MELSEC PROC... More Details >>
- No:22719
- Release Date:2018/09/03 17:29
- Update:2018/09/21 15:43
- Category: MELSEC-Q Series
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Boot file setting of the QnUDVCPU
No. You cannot use an SRAM card, ATA card, or Flash card. Specify an SD memory card as the transfer source (boot source). More Details >>
- No:22714
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Change timing of the status of A/D conversion module's I/O signals
(1)If the A/D conversion enable signal is kept ON, conversion processing is kept performed. Once conversion processing is successfully performed, A/D conve... More Details >>
- No:22710
- Release Date:2018/09/03 17:29
- Update:2018/09/21 15:12
- Category: MELSEC-Q Series
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Update timing of QD75 current feed value and machine feed value
The values are updated at the timing described below.- Current feed value: 1.8 ms- Machine feed value: 56.8 ms More Details >>
- No:22689
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Communication between Ethernet and FL-net
The communication between the Ethernet interface module and FL-net (OPCN-2) interface module cannot be established. More Details >>
- No:22683
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers and holding registers for reading- 1968... More Details >>
- No:22668
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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It means that in an ambient temperature of 25 degrees Celsius, an error per day falls within the range of "delay of 2.57s" to "advance of 5.27s". "TYP.+2.22... More Details >>
- No:22651
- Release Date:2018/09/03 17:29
- Update:2018/09/26 16:53
- 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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The corresponding operation depends on the counter type selected. (1) If "Linear Counter" is selected If the present counter value exceeds the upper limi... More Details >>
- No:22624
- Release Date:2018/09/03 17:29
- Update:2018/09/21 10:32
- Category: MELSEC-Q Series
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