Danfoss VLT FC 102 Programming Manual

Also see for VLT HVAC Drive FC 102: Operating instructions Service guide Programming guide Installation guide Installation guide

Contents

y-axis: Im/Im,n x 100 [%]Parameter 1-98 ATEX ETR interpol.points freq.Parameter 1-99 ATEX ETRinterpol points current[0]=5 Hz [0]=40%[1]=15 Hz [1]=80%[2]=25 Hz [2]=100%[3]=50 Hz [3]=100%Table 3.10 Interpolation PointsAll operating points underneath the curve are allowedcontinuously. Above the line, however, these are onlyallowed for a limited time calculated as a function of theoverload. If a machine current is greater than 1.5 times therated current, shutdown is immediate.1-99 ATEX ETR interpol points currentOnly visible if parameter 1-90 Motor Thermal Protection is set to[20] or [21].Range: Function:Sizerelated*[0 - 100 %] Definition of thermal limitationcurve. For example, seeparameter 1-98 ATEX ETR interpol.points freq.Use the 4 current points [A] from the motor nameplate.Calculate the values as percentage of nominal motorcurrent, Im/Im,n x 100 [%], and enter into this array.Together with parameter 1-98 ATEX ETR interpol. points freq.,these constitute a table (f [Hz],I [%]).NOTICEAll frequency/current limit points from the motornameplate or motor datasheet must be programmed.3.4 Parameters: 2-** Main Menu - Brakes3.4.1 2-0* DC brakesParameter group for configuring the DC brake and DC holdfunctions.2-00 DC Hold/Preheat CurrentRange: Function:50 %* [ 0 - 160 %] NOTICEParameter 2-00 DC Hold/Preheat Current has no effectwhen parameter 1-10 MotorConstruction=[1] PM, non-salient SPM.2-00 DC Hold/Preheat CurrentRange: Function:NOTICEThe maximum value dependson the rated motor current.Avoid 100% current for toolong. It may damage themotor.Enter a value for holding current asa percentage of the rated motorcurrent IM,N set inparameter 1-24 Motor Current. 100%DC hold current corresponds to IM,N.This parameter holds the motor(holding torque) or preheats themotor.This parameter is active if [1] DChold/Motor Preheat is selected inparameter 1-80 Function at Stop.2-01 DC Brake CurrentRange: Function:50 %* [ 0 - 1000 %] NOTICEThe maximum value dependson the rated motor current.Avoid 100% current for toolong. It may damage themotor.Enter a value for current as apercentage of the rated motorcurrent IM,N, seeparameter 1-24 Motor Current. 100%DC brake current corresponds toIM,N.DC brake current is applied on astop command, when the speed islower than the limit set in:• Parameter 2-03 DC BrakeCut In Speed [RPM].• Parameter 2-04 DC BrakeCut In Speed [Hz], whenthe DC brake inversefunction is active, or viathe serial communicationport.The braking current is active duringthe time period set inparameter 2-02 DC Braking Time.Parameter Descriptions VLT® HVAC Drive FC 10270 Danfoss A/S © 10/2019 All rights reserved. M001000133