Danfoss VLT 380-500 V Design Manual

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Danfoss VLT 380-500 V Design Manual Manual pdf 159 page image

17.10 Mechanical Brake ControlParametersFC+24 V+24 VD IND IND INCOMD IND IND IND IN+10 VA INA INCOMA OUTCOMR1R212131819202729323337505354554239010203040506130BB841.10Function SettingParameter 5-40 Function Relay[32] Mech.brake ctrl.Parameter 5-10 Terminal 18Digital Input[8] Start*Parameter 5-11 Terminal 19Digital Input[11] StartreversingParameter 1-71 Start Delay0.2Parameter 1-72 Start Function[5] VVC+/FLUXClockwiseParameter 1-76 Start CurrentIm,nParameter 2-20 Release BrakeCurrentApp.dependentParameter 2-21 Activate BrakeSpeed [RPM]Half ofnominal slipof the motor*=Default valueNotes/comments:Table 17.14 Mechanical Brake ControlStart (18)Startreversing (19)Relay outputSpeedTimeCurrent1-71 1-712-21 2-211-76OpenClosed130BB842.10Illustration 17.4 Mechanical Brake Control17.11 Encoder ConnectionBefore setting up the encoder, the basic settings for aclosed-loop speed control system are shown.See also chapter 7.3.6 VLT® Encoder Input MCB 102.130BA090.12+24 V DCABGND1312 18 37322719 29 33 2024 V or 10–30 V encoderIllustration 17.5 Encoder Connection to the FrequencyConverterBABA130BA646.10CWCCWIllustration 17.6 24 V Incremental Encoder. Maximum CableLength 5 m (16 ft)17.12 Encoder DirectionThe direction of the encoder, identified by looking into theshaft end, is determined by which order the pulses enterthe frequency converter.• Clockwise (CW) direction means channel A is 90electrical degrees before channel B.• Counterclockwise (CCW) direction means channelB is 90 electrical degrees before A.Application Examples Design GuideMG37N102 Danfoss A/S © 6/2016 All rights reserved. 15717 17