Danfoss VT2800 Series Design Manual

Contents

VLT ® 2800 SeriesAll about VLT2800Control card, analog inputs:Number of analog voltage inputs .................................................................................................................. 1 pcs.Terminal number ................................................................................................................................................ 53Voltage level ...................................................................................................................... 0 - 10 V DC (scaleable)Input resistance, Ri ........................................................................................................................ approx. 10 kMax. voltage .................................................................................................................................................. 20 VNumber of analog current inputs .................................................................................................................. 1 pcs.Terminal number ................................................................................................................................................ 60Current level ...................................................................................................................... 0/4 - 20 mA (scaleable)Input resistance, Ri ......................................................................................................................... approx. 300Max. current ................................................................................................................................................ 30 mAResolution for analog inputs .......................................................................................................................... 10 bitAccuracy of analog inputs ............................................................................................ Max. error 1% of full scaleScan interval .......................................................................................................................................... 13.3 msecThe analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See section entitled Galvanic Isolation.Control card, pulse inputs:Number of programmable pulse inputs ................................................................................................................ 1Terminal number ................................................................................................................................................ 33Max. frequency at terminal 33 ................................................................................................ 67.6 kHz (Push-pull)Max. frequency at terminal 33 ............................................................................................. 5 kHz (open collector)Min. frequency at terminal 33 ......................................................................................................................... 4 HzVoltage level ........................................................................................................ 0 - 24 V DC (PNP positive logic)Voltage level, logic ’0’ .............................................................................................................................. < 5 V DCVoltage level, logic ’1’ ............................................................................................................................ > 10 V DCMaximum voltage on input ....................................................................................................................... 28 V DCInput resistance, Ri .......................................................................................................................... approx. 2 kScan interval .......................................................................................................................................... 13.3 msecResolution ...................................................................................................................................................... 10 bitAccuracy (100 Hz- 1 kHz) terminal 33 ...................................................................... Max. error: 0.5% of full scaleAccuracy (1 kHz - 67.6 kHz) terminal 33 .................................................................. Max. error: 0.1% of full scaleThe pulse input (terminal 33) is galvanically isolated from the supply voltage (PELV) and otherhigh-voltage terminals. See section entitled Galvanic Isolation.Control card, digital/frequency output:Number of programmable digital/pulse outputs .......................................................................................... 1 pcs.Terminal number ................................................................................................................................................ 46Voltage level at digital/frequency output ............................................................................ 0 - 24 V DC (O.C PNP)Max. output current at digital/frequency output ......................................................................................... 25 mA.Max. load at digital/frequency output ........................................................................................................... 1 kMax. capacity at frequency output .............................................................................................................. 10 nFMinimum output frequency at frequency output ........................................................................................... 16 HzMaximum output frequency at frequency output ........................................................................................ 10 kHzAccuracy on frequency output ............................................................................... Max. error: 0.2 % of full scaleResolution on frequency output ..................................................................................................................... 10 bitThe digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See section entitled Galvanic Isolation.MG.28.E9.02 - VLT is a registered Danfoss trademark 147