Danfoss VLT Active Front End AFE 302 Operating Instructions Manual

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Danfoss VLT Active Front End AFE 302 Operating Instructions Manual Manual pdf 59 page image

6.8 Parameters: 14-** Special Functions6.8.1 14-0* AFE Switching14-01 Switching FrequencySelect the AFE switching frequency. Changing the switchingfrequency can help to reduce acoustic noise from the AFE.Default depend on power size.Option: Function:[0] 1.0 kHz[1] 1.5 kHz Default switching frequencyfor 355-1200 kW, 690V[2] 2.0 kHz Default switching frequencyfor 250-800 kW, 400V and37-315 kW, 690V[3] 2.5 kHz[4] 3.0 kHz Default switching frequencyfor 18.5-37 kW, 200V and37-200 kW, 400V[5] 3.5 kHz[6] 4.0 kHz Default switching frequencyfor 5.5 – 15 kW, 200V and11-30 kW, 400V[7] 5.0 kHz Default switching frequencyfor 0.25 – 3,7 k W, 200V and0.37-7.5 kW, 400V[8] 6.0 kHz[9] 7.0 kHz[10] 8.0 kHz[11] 10.0 kHz[12] 12.0kHz[13] 14.0 kHz[14] 16.0kHz6.8.2 14-2* Trip ResetParameters for configuring auto reset handling, special triphandling and control card self test or initialisation.14-20 Reset ModeSelect the reset function after tripping. Once reset, the frequencyconverter can be restarted.Option: Function:[0] * Manual reset Select Manual reset [0], to performa reset via [RESET] or via thedigital inputs.[1] Automatic reset x 1 Select Automatic reset x 1…x20[1]-[12] to perform between oneand twenty automatic resets aftertripping.[2] Automatic reset x 2[3] Automatic reset x 3[4] Automatic reset x 414-20 Reset ModeSelect the reset function after tripping. Once reset, the frequencyconverter can be restarted.Option: Function:[5] Automatic reset x 5[6] Automatic reset x 6[7] Automatic reset x 7[8] Automatic reset x 8[9] Automatic reset x 9[10] Automatic reset x 10[11] Automatic reset x 15[12] Automatic reset x 20[13] Infinite Automatic Reset Select Infinite Automatic Reset [13]for continuous resetting aftertripping.NOTICEThe AFE may start without warning. If the specifiednumber of AUTOMATIC RESETs is reached within 10min,the frequency converter enters Manual reset [0] mode.After the Manual reset is performed, the setting of14-20 Reset Mode reverts to the original selection. If thenumber of automatic resets is not reached within 10min,or when a Manual reset is performed, the internalAUTOMATIC RESET counter returns to zero.NOTICEAutomatic reset will also be active for resetting safe stopfunction.14-21 Automatic Restart TimeRange: Function:10s* [0 - 600 s] Enter the time interval from trip to start of theautomatic reset function. This parameter isactive when 14-20 Reset Mode is set toAutomatic reset [1] - [13].NOTICERemember to set switches S201 (A53) and S202 (A54) asspecified below when performing a control card test inparameter 14-22 Operation Mode [1]. Otherwise, the testfails.14-22 Operation ModeOption: Function:Use this ameter to specify normal operation;to perform tests; or to initialise all parametersexcept 15-03 Power Up's, 15-04 Over Temp'sand 15-05 Over Volt's. This function is activeonly when the power is cycled to thefrequency converter.Select [0] Normal operation for normaloperation of the frequency converter with themotor in the selected application.How to Programme Operating InstructionsMG33X402 Danfoss A/S © Rev. 05/2014 All rights reserved. 576 6