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FAQ within [ MELSEC iQ-R Series ]

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  • Deceleration stop

    Because the rapid stop deceleration time is larger than the deceleration time.Set the rapid stop deceleration time within the range of 1 to the deceleration ... More Details >>

    • No:23551
    • Release Date:2018/09/14 15:09
    • Category: RnMTCPU
  • Acceleration/deceleration time change

    Yes, the time can be changed during operation by using the acceleration/deceleration time change function. Set the acceleration/deceleration time change para... More Details >>

    • No:23569
    • Release Date:2018/09/14 15:09
    • Category: RnMTCPU
  • Major error 093CH

    Major error 093CH occurs when the absolute position is erased.Execute the home position return after checking the batteries of the Motion CPU module and the ... More Details >>

    • No:23562
    • Release Date:2018/09/14 15:09
    • Category: RnMTCPU
  • Home position address

    Set "[Pr.45] Home position address" of the basic parameters for home position return • Axis 1 to 16: 72+150n, 73+150n • Axis 17 to 32: 1000072+150n, 1000073+... More Details >>

    • No:23600
    • Release Date:2018/09/14 15:09
    • Category: RD77MS  ,  RD77GF
  • Speed change during operation

    Specify the target axes during operation, and execute the following speed change request instruction. (1) Motion SFC program Speed change request CHGV,CHGVS ... More Details >>

    • No:23575
    • Release Date:2018/09/14 15:09
    • Category: RnMTCPU
  • Minor error 197AH

    Minor error 197AH (Home position return zero not passed) occurs in the following case:"[St.1066] zero pass" is OFF when the re-movement to the home position ... More Details >>

    • No:23560
    • Release Date:2018/09/14 15:09
    • Category: RnMTCPU
  • Torque limit

    Torque is limited by the lower set value of "[Pr.17] Torque limit setting value" and "[Cd.22] New torque value/forward new torque value".When the current tor... More Details >>

  • Servo status

    Yes. You can check the servo status through the following monitor data.• "[Md.108] Servo status 1"• "[Md.108] Servo status 2"• "[Md.125] Servo status 3"• "[M... More Details >>

  • Parameter initialization

    The following shows the initialization procedure. (1) Turn OFF the PLC ready flag. (2) Turn ON "[Cd.2] Parameter initialization request". Set "1" to the buff... More Details >>

  • Warning 093CH

    Warning 093CH (Home position return data incorrect) occurs when the backup data for absolute position restoration is lost.Execute the machine home position r... More Details >>

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