Nederman HV Control Panel EX Series - Page 46

HV Control PanelEN
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Term Denion
HMI
HumanMachineInterface
TIA SiemensTotalIntegratedAutomaon–developmentportal
VAC VacuumUnit(twinimpellerfan)
RBU RootBlowerUnit
TVFD TwinValveFeed-outDevice
AEB AutomacEmptyingofBin
LCC LoadControlCurrent–tostartanotherHVControlPanelEX(validonlyforVAC)
PLL PULoadControlCurrent–sameasLCCbutstartsasimple“PowerUnit”–Y/Dstarter
ASC AnSurgeControl(validforVAC)
Y/D StartmethodStar-Delta
PTC Thermistorinmotor(PTC-relayneededinControlPanelforsupervision)
LI LevelIndicatorfordust(emptyingondemand)(inorabovefeedoutdevice,foremptyingondemandandsupervision)
BLI BinLevelIndicator(industreceptor-BinorBig-Bag)
DPS DierenalPressureSwitch(atmainlterorcontrollter)
CAS CompressedAirSwitch(>3-4bar=OK=closedcontact)
MS Maintenanceswitch(signalcontactclosedwhenMSisON)
TAV Nederman(Tedak)AutomacValve(normallyclosed,NC,butasupstreamdampernormallyopen,NOandclosewiththesignal)
IS IntrinsicsafecircuitforEX
EX Explosiveatmosphere–relatedtoCombusbleDust(ATEX,NFPA)
HRD HighRapidDischargeEXSuppressionsystem
DIR DelayIdlingRelay
SSR StartStopRelay
HMI HumanMachineInterface,i.e.,thecontrolortouchpanel
DOL DirectOnLine