Danfoss VLT AutomationDrive FC 301 Programming Manual

Also see for VLT AutomationDrive FC 301: Programming guide Installation guide Operating guide Installation guide Design guide

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Danfoss VLT AutomationDrive FC 301 Programming Manual Manual pdf 72 page image

3.6 Parameters: 4-** Limits/Warnings3.6.1 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 on the display. A warningalways generates a message in the display or on thefieldbus. A monitoring function may initiate a warning or atrip, upon which the frequency converter stops andgenerates an alarm message.4-10 Motor Speed DirectionOption: Function:NOTICEThis parameter cannot be adjustedwhile the motor is running.Select the motor speed direction(s) required. Usethis parameter to prevent unwanted reversing.When 1-00 Configuration Mode is set to [3]Process, 4-10 Motor Speed Direction is set to [0]Clockwise as default. The setting in 4-10 MotorSpeed Direction does not limit options for setting4-13 Motor Speed High Limit [RPM].[0] Clockwise The reference is set to CW rotation. Reversinginput (Default term 19) must be open.[1] CounterclockwiseThe reference is set to CCW rotation. Reversinginput (Default term 19) must be closed. IfReversing is required with ‘Reverse’ input isopen the motor direction can be changed by1-06 Clockwise Direction[2] BothdirectionsAllows the motor to rotate in both directions.4-11 Motor Speed Low Limit [RPM]Range: Function:Size related* [ 0 -par. 4-13RPM]Enter the minimum limit for motorspeed. The Motor Speed Low Limit canbe set to correspond to themanufacturer’s recommended minimummotor speed. The Motor Speed LowLimit must not exceed the setting in4-13 Motor Speed High Limit [RPM].4-12 Motor Speed Low Limit [Hz]Range: Function:Size related* [ 0 -par.4-14 Hz]Enter the minimum limit for motorspeed. The Motor Speed Low Limit canbe set to correspond to the minimumoutput frequency of the motor shaft. TheMotor Speed Low Limit must not exceedthe setting in 4-14 Motor Speed High Limit[Hz].4-13 Motor Speed High Limit [RPM]Range: Function:Size related* [ par.4-11 -60000RPM]Enter the maximum limit for motorspeed. The Motor Speed High Limit canbe set to correspond to themanufacturer’s maximum rated motorspeed. The Motor Speed High Limitmust exceed the setting in 4-11 MotorSpeed Low Limit [RPM].NOTICEMax. output frequency cannot exceed 10% of theinverter switching frequency (14-01 Switching Frequency).4-14 Motor Speed High Limit [Hz]Range: Function:Sizerelated*[ par.4-12 -par. 4-19Hz]Enter the max limit for motor speed.4-14 Motor Speed High Limit [Hz] canmatch the manufacturer's recommendedmaximum motor speed. The MotorSpeed High Limit must exceed the valuein 4-12 Motor Speed Low Limit [Hz]. Theoutput frequency must not exceed 10%of the switching frequency.NOTICEMax. output frequency cannot exceed 10% of theinverter switching frequency (14-01 Switching Frequency).4-16 Torque Limit Motor ModeRange: Function:Size related*Applicationdependent*[ 0 - 1000.0 %][Applicationdependant]This function limits thetorque on the shaft toprotect the mechanicalinstallation.NOTICEChanging 4-16 Torque Limit Motor Mode when1-00 Configuration Mode is set to [0] Speed open loop,1-66 Min. Current at Low Speed is automaticallyreadjusted.NOTICEThe torque limit reacts on the actual, non-filtratedtorque, including torque spikes. This is not the torquethat is seen from the LCP or the Fieldbus as that isfiltered.4-17 Torque Limit Generator ModeRange: Function:100 %* [ 0 - 1000.0 %] This function limits the torque on theshaft to protect the mechanical instal-lation.Parameter Descriptions VLT® AutomationDrive FC 301/302 Programming Guide70 MG33MH02 - Rev. 2013-09-3033