FR-A701 INSTRUCTION MANUAL (Applied) - Automation Systems ...

4PARAMETERS4.12 Setting of acceleration/deceleration time andacceleration/deceleration patternSetting of acceleration/deceleration timeand acceleration/deceleration patternPurpose Parameter that must be Set Refer to PageMotor acceleration/deceleration timesettingStarting frequencySet acceleration/deceleration patternsuitable for applicationAutomatically set appropriateacceleration/deceleration timeAcceleration/deceleration timeStarting frequency and starttimeholdAcceleration/decelerationpattern and backlash measuresAutomatic acceleration/decelerationPr. 7, Pr. 8, Pr. 20, Pr. 21,Pr. 44, Pr. 45, Pr. 110, Pr. 1114.12.1 Setting of the acceleration and deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21,Pr. 44, Pr. 45, Pr. 110, Pr. 111)155Pr. 13, Pr. 571 157Pr. 29, Pr. 140 to Pr. 143,Pr. 380 to Pr. 383,Pr. 516 to Pr. 519158Pr. 61 to Pr. 63, Pr. 292 162Used to set motor acceleration/deceleration time.Set a larger value for a slower speed increase/decrease or a smaller value for a faster speed increase/decrease.For the acceleration time at automatic restart after instantaneous power failure, refer to Pr. 611 Acceleration time ata restart (page 239).ParameterNumber7 Acceleration time8 Deceleration time20214445110111Name Initial Value Setting Range DescriptionAcceleration/decelerationreference frequencyAcceleration/deceleration timeincrementsSecondacceleration/deceleration timeSeconddeceleration timeThird acceleration/deceleration timeThird decelerationtime7.5K or less 5s11K or more15s7.5K or less 5s11K or more60Hz015s0 to 3600/360s *1 Set the motor acceleration time.0 to 3600/360s *1 Set the motor deceleration time.1 to 400Hz5s 0 to 3600/360s *199999999999901Set the frequency that will be the basis ofacceleration/deceleration time.As acceleration/deceleration time, set thefrequency change time from stop to Pr. 20.Increments: 0.1sRange: 0 to 3600sIncrements: 0.01sRange: 0 to 360sIncrements and settingrange of acceleration/deceleration timesetting can bechanged.Set the acceleration/deceleration time whenthe RT signal is on.0 to 3600/360s *1Set the deceleration time when the RTsignal is on.9999 Acceleration time = deceleration time0 to 3600/360s *19999Set the acceleration/deceleration time whenthe X9 signal is on.Without the third acceleration/decelerationfunction.0 to 3600/360s *1Set the deceleration time when the X9signal is on.9999 Acceleration time = deceleration time*1 Depends on the Pr. 21 Acceleration/deceleration time increments setting. The initial value for the setting range is "0 to 3600s" and the settingincrements is "0.1s".Pr.20(60Hz)Outputfrequency (Hz)AccelerationtimePr.7Pr.44DecelerationtimeRunningfrequencyTimePr.8Pr.45(1) Acceleration time setting (Pr. 7, Pr. 20)⋅ Use Pr. 7 Acceleration time to set the acceleration time required to reach Pr.20 Acceleration/deceleration reference frequency from 0Hz.⋅ Set the acceleration time according to the following formula.Accelerationtime settingPr.110Pr.111Example) When Pr. 20 = 60Hz (initial value), Pr. 13 = 0.5Hz, and accelerationcan be made up to the maximum operating frequency of 50Hz in 10s=Pr. 20Maximum operatingfrequency - Pr. 13×Acceleration time from stop tomaximum operating frequency60HzPr. 7 =× 10s 12.1s50Hz - 0.5Hz155