Nederman HV Control Panel EX Series - ASC and LCC Settings

HV Control PanelEN
32
Alarm delay Range Warning/Alarm Default Warning/Alarm Used
VacuumLL 0-99kPa 10
VacuumL 0-99kPa 15
VacuumH 0-99kPa 30
VacuumHH 0-99kPa 35
Vacuumwarningdelay 0-999 s 60
Delaymesforwarningsandthefollowingdelaymesforalarms.Withoutproperrotaon,
warningsandalarmsaretriggeredaerthedelays.Warningsareresetautomacally.
Alarmsneedtoberesetmanually.
TVFDEXmayopen/closeafewmesifthereisaproblemandtheposionsensorsdo
notindicatethisaconwithin15seconds.Ifnosuccess,theTVFDEXwillnotmoveand
awarningistriggered.AertheAlarmdelay,theAlarmistriggeredandthesystemis
stopped
IfaRotaryvalveisequippedwitharotaonsensor,thePLCcandetectifthevalveisnot
rotang.
6.8 ASC and LCC
AVAChasariskof“pumping”atlowairow,thustheairowiskept,byfalseair,high
enoughtoavoidthis.Themotorcurrentisusedasthecontrolparameter.
ThismeansthatthePLCmeasuresthecurrentandcontrolstheASCmotordamperinthe
VAC,tomaintainaminimumcurrentequaltothesetpoint.Thedampermotoriscontrolled
withpulsesforopeningandclosing.Thepulsesarecontrolledwiththemesinthispage.