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Factory Automation

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FAQ within [ Main Unit ]

111-120 of Total 126

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  • Clock function accuracy of the MELSEC...

    The accuracy is within ±45 seconds/month (ambient temperature: 25ºC). More Details >>

    • No:24778
    • Release Date:2019/02/27 15:57
  • Setting day of the week when using th...

    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
  • Models of the MELSEC-F series main units

    "E" represents AC power supply and "D" represents DC power supply. The alphabets following "E" and "D" represent output types. "S" represents replay output... More Details >>

    • No:24776
    • Release Date:2019/02/27 15:35
  • How to check the version of the MELSE...

    To check the version of the MELSEC-F series, connect GX Works2 (personal computer) or HPP to a programmable controller, and monitor the data in D8001. The l... More Details >>

    • No:24772
    • Release Date:2019/02/27 15:22
  • Receiving short pulses

    In order for the programmable controller to receive input pulses completely, the ON duration and OFF duration of inputs in the programmable controller requir... More Details >>

    • No:24704
    • Release Date:2019/02/27 09:00
  • Maximum number of characters in a com...

    As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. However, the maximum number of characters ... More Details >>

    • No:24700
    • Release Date:2019/02/27 08:59
  • Comment display

    Thecomment may not have been written tothe programmable controller. Or, the comment display setting may be required on the GX Works2 side. [Writing a com... More Details >>

    • No:24681
    • Release Date:2019/02/22 11:40
    • Update:2019/02/22 14:15
  • I/O structure error in the MELSEC-F

    When an unimplemented input (X) or output (Y) number is used in a program, M8060 turns on. The first to third digits of the numericalvalue stored in D8060 i... More Details >>

    • No:22284
    • Release Date:2018/08/30 13:48
    • Update:2019/02/18 15:17
  • Necessity for installing a noise filter

    Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller is used in an environment with much no... More Details >>

    • No:22283
    • Release Date:2018/08/30 13:48
  • How to ground programmable controllers

    For your safety, programmable controllers must be grounded. Incomplete common grounding within the control panel or common grounding with heavy electrical s... More Details >>

    • No:22276
    • Release Date:2018/08/30 13:48

111-120 of Total 126