Compact body All-rounder

Pr.261Operation at instantaneous powerfailurePr. 261 Power failure stop selectionWhen a power failure or undervoltage occurs, the inverter can bedecelerated to a stop or can be decelerated and re-accelerated tothe set frequency.Pr.Number261SettingRange0 (initialvalue)12DescriptionCoasts to stop.When undervoltage or power failure occurs,the inverter output is shut off.When undervoltage or a power failure occurs,the inverter can be decelerated to a stop.When undervoltage or a power failure occurs,the inverter can be decelerated to a stop.If power is restored during a power failure, theinverter accelerates again.(1) Power failure stop mode (Pr. 261 = "1")• If power is restored during power failure deceleration,deceleration to a stop is continued and the inverterremaines stopped. To restart, turn off the start signal once,then turn it on again.PowersupplyOutput frequencySTFY46Pr. 261 = 1During decelerationat occurrence of power failureDuring stopat occurrenceof power failure(2) Original operation continuation at instantaneouspower failure function (Pr. 261 = "2")• When power is restored during deceleration after a powerfailure, acceleration is made again up to the set frequency.Pr.Pr.Pr.Power supplyOutputfrequencyY46TimeTurn off STF once to make acceleration againPr. 261 = 2When power is restored during decelerationat occurrence of power failureDuring deceleration atoccurrence of power failureReaccelerationTime267 Refer to the section about Pr. 73.268 Refer to the section about Pr. 52.269 Parameter for manufacturer setting. Do not set.IPFPr.270, 275, 276, 6, 48Stop-on-contact controlPr. 270 Stop-on contact control selectionPr. 276 PWM carrier frequency at stop-on contactPr. 48 Second stall prevention operation currentPr. 275 Stop-on contact excitationcurrent low-speed multiplying factorPr. 6 Multi-speed setting (low speed)To ensure accurate positioning at the upper limit etc. of a lift, stopon-contactcontrol causes a mechanical brake to be closed whilethe motor is developing a holding torque to keep the load in contactwith a mechanical stopper etc.This function suppresses vibration which is liable to occur when theload is stopped upon contact in vertical motion applications,ensuring steady precise positioning.Pr. 270 SettingDescription0Without stop-on-contact control(initial value)1 Stop-on-contact control• Select advanced magnetic flux vector control or general-purposemagnetic flux vector control.When both the RT and RL signals are switched on, the inverterenters the stop-on contact mode, in which operation is performed atthe frequency set in Pr. 6 "Multi-speed setting (low speed)"independently of the preceding speed.Pr.Number648275276OutputfrequencyPr. 4Pr. 5SettingRange0 to400Hz0 to200%DescriptionSets the output frequency for stop-on-contactcontrolThe frequency should be as low as possible(about 2Hz). If it is set to more than 30Hz, theoperating frequency will be 30Hz.Sets the stall prevention operation level for stallprevention operation level.(Pr. 22 when Pr. 48 = "9999")Usually set a value between 130% and 180%.Set the force (holding torque) for stop-on-contact0 to300%control.9999 Without compensation.AD MFVCNormal mode Stop-on-contact control modePr. 60Time(a) (b) (c)RH ONRM OFF ONRL OFFON*RT OFFON* Goes into stop-on-contact control when both RL and RT switch on.RL and RT may be switched on in any order with any time difference.(a) Acceleration time (Pr. 7 ) (b) Deceleration time (Pr. 8 )(c) Second deceleration time (Pr. 44/Pr. 45 )GP MFVC0 to 9Sets a PWM carrier frequency for stop-oncontactcontrol.9999 As set in Pr. 72 PWM frequency selection.43 When setting parameters, refer to the instruction manual (applied) and understand instructions.