Danfoss VLT AutomationDrive FC 360 Programming Manual

Also see for VLT AutomationDrive FC 360: Quick guide Quick guide Quick guide Programming guide Programming guide

Danfoss VLT AutomationDrive FC 360 Programming Manual Manual pdf 56 page image

4.5 Parameters: 4-** Limits/Warnings4.5.1 4-1* Motor LimitsDefine torque, current, and speed limits for the motor, andthe reaction of the frequency converter when the limits areexceeded.A limit may generate a message in the display. A warningalways generates a message in the display or on thefieldbus. A monitoring function may initiate a warning or atrip, after which the frequency converter stops andgenerates an alarm message.4-10 Motor Speed DirectionOption: Function:[0] Clockwise NOTICEThe setting in parameter 4-10 MotorSpeed Direction has impact onparameter 1-73 Flying Start.Only operation in clockwise direction isallowed.[2] * BothdirectionsOperation in both clockwise and counter-clockwise directions are allowed.4-12 Motor Speed Low Limit [Hz]Range: Function:0 Hz* [ 0 -500.0 Hz]Enter the minimum limit for motor speed. Themotor speed low limit can be set tocorrespond to the minimum output frequencyof the motor shaft.The motor speed low limit must not exceedthe setting in parameter 4-14 Motor Speed HighLimit [Hz].4-14 Motor Speed High Limit [Hz]Range: Function:65Hz*[ 0.1 -500Hz]NOTICEMaximum output frequency cannot exceed10% of the inverter switching frequency(parameter 14-01 Switching Frequency).Enter the maximum limit for motor speed. Themotor speed high limit can be set to correspondto the manufacturer’s recommended maximum ofthe motor shaft.The motor speed high limit must exceed thevalue in parameter 4-12 Motor Speed Low Limit[Hz], and must not exceed the value inparameter 4-19 Max Output Frequency.4-16 Torque Limit Motor ModeRange: Function:Size related* [ 0 - 1000 %] This function limits the torque onthe shaft to protect the mechanicalinstallation.4-17 Torque Limit Generator ModeRange: Function:100 %* [ 0 - 1000 %] This function limits the torque on theshaft to protect the mechanical instal-lation.4-18 Current LimitRange: Function:Sizerelated*[ 0 -1000 %]This is a true current limit function thatcontinues in the oversynchronous range.However, due to field weakening, themotor torque at current limit dropsaccordingly when the voltage increasestops above the synchronized motorspeed.4-19 Max Output FrequencyRange: Function:Sizerelated*[ 0 -500Hz]NOTICEThis parameter cannot be adjustedwhile the motor is running.NOTICEMaximum output frequency cannotexceed 10% of the inverter switchingfrequency (parameter 14-01 SwitchingFrequency).Provide a final limit on the output frequencyfor improved safety in applications at risk ofoverspeeding. This limit is final in all configu-rations (independent of the setting inparameter 1-00 Configuration Mode).Parameter Descriptions VLT® AutomationDrive FC 36054 Danfoss A/S © 06/2017 All rights reserved. MG06C70244