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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding input of Differential Driver Output Type
It does not. The built-in high-speed counter function of the FX5U/FX5UC CPU module does not support DC5V input. DC5V input can be achieved by adding BUS con... More Details >>
- No:39350
- Release Date:2023/01/12 17:09
- Update:2025/03/07 13:25
- Category: MELSEC iQ-F Series , CPU Module , High-Speed Counter
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Regarding bit specification index modification for word devices
Index modification cannot be done for bit specifications for Word device. More Details >>
- No:39299
- Release Date:2023/02/13 16:39
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Assignment of input/output numbers (MELSEC-F series)
Octal numbers are assigned as input/output numbers for the MELSEC-F series. The octal number system uses the digits from 0 to 7 → from 10 to 17 → from 20 to... More Details >>
- No:24868
- Release Date:2019/04/15 08:06
- Category: MELSEC-F Series , Engineering Software , Main Unit
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GX Developer's compatibility with QnUDVCPU
GX Developer does not support QnUDVCPU. Please use GX Works2 instead. More Details >>
- No:22885
- Release Date:2018/09/03 17:30
- Category: Engineering Software
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Synchronizing the internal clock of a universal model QCPU
- When a built-in Ethernet port QCPU is used You can synchronize it with the server using the time setting function. -When a module other than built-in ... More Details >>
- No:22723
- Release Date:2018/09/03 17:29
- Update:2018/09/21 15:53
- Category: MELSEC-Q Series
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SD520 stores the current scan time in 1 ms units. More Details >>
- No:22556
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Regarding instructions for converting constants from decimal to hexadecimal
Decimal numbers of up to 4 digits can be converted to hexadecimal numbers using the BCD(P) instruction, and decimal numbers of up to 8 digits can be converte... More Details >>
- No:44352
- Release Date:2024/03/27 15:43
- Category: MELSEC iQ-F Series , CPU Module
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Regarding QoS, Retain, Will, and Clean Session Functions for MQTT Communications
The QoS, Retain, Will, and Clean Session functions of the MQTT communication function can not be configured in buffer memory. Module FB: M+FX5ENET. QoS ca... More Details >>
- No:40053
- Release Date:2023/08/25 09:21
- Category: MELSEC iQ-F Series , Network/Communication
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Changing the JOG speed in the FX3U-20SSC-H
Since the JOG speed is the positioning parameter, turn off and on the positioning parameter enable command (X-axis: BFM#519.b4, Y-axis: BFM#619.b4) to enable... More Details >>
- No:24987
- Release Date:2019/04/23 07:22
- Category: MELSEC-F Series , Positioning Control
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Setting day of the week when using the TWR instruction (FX3 series)
Day of week is automatically set. When data written to the data register for storing day-of-the-week data is within the setting range (K = 0 to 6), the day ... More Details >>
- No:24777
- Release Date:2019/02/27 15:57
- Category: MELSEC-F Series , Main Unit
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