froma MasterMenu.The display andcontrol panel shall be mountedon the controlsection door.The display panel shall be 640 X200 pixels,LiquidCrystal Display, capableofprovidinga full 80 charactersby25lines ofinformation.
Logic. Systemlogic and control programmingshall beresidentinApplicationSpecific IntegratedCircuits.Rectifier,inverter,andsystemcontrollogicshall besolidstate. Switches,contacts,and relaysshall only beusedtosignalthelogicsystemastothe status ofmechanicaldevicesor tosignaluser controlinputs.Relaysshall beusedtoisolate the logic for customerexternalstatus and alarmSignaling.
MeteredValues. A microprocessorshall control the displayand memory functions ofthe monitoringsystem.All threephasesofthree-phaseparametersshall bedisplayed simultaneously.Allvoltageand currentparametersshall bemonitoredusingtrue RMS measurementsfor accurate(±1%) representationofnon-sinusoidalwaveformstypicalof computers and othersensitiveloads.The followingparametersshall bedisplayed:
Multi-ModuleUnit.
Inputvoltage
Inputcurrent
Batteryvoltage
Batterycharging/dischargingcurrent
Bypassinputvoltage
Bypassinputfrequency
Outputvoltage
Outputfrequency
Loadcurrent
LoadkW
LoadkVA
PowerFlowIndications. Apowerflowdiagramshall graphicallydepictwhetherthe loadis beingsuppliedfromUPS,bypass,or batteryand provide,onthesamescreen,the status of the followingcomponentsmustbeindicatedonthe UPSModule.
ACinputcircuitbreaker
Battery circuitbreaker
Inverter outputcircuitbreaker
Bypass and UPSoutputcircuitbreakers
StaticBypass Switch(Connected,Disconnected)
ModuleOffLine
Timeto overloadtransfer/shutdown BatteryStatusIndicator. Abatterystatusindicatoratthe multi-moduleunitshall display DC alarmconditions,shutdown voltages,the presentbatteryvoltage,and batterytime remainingduring discharge.Agraphicalrepresentationofthe batteryvoltageduring the dischargeshall bedisplayed.The graphicalrepresentationshallremaininthe monitoring systemmemory until thenextdischargeoccursandshallbeavailablefor reviewofthe batteryperformance.
Battery CycleMonitor.The UPSshallhavea BCM (BatteryCycleMonitor)builtinto system firmwaretodocumentthe cycleserviceofthe battery.Itshall collect and retaininformation onthelast 132 eventsthatinvolveddischargingthe UPSbattery. CycleCategories.Eachbattery dischargecycleisto be put into one offour categories, dependingonthe duration ofthe event. 0-30 seconds discharge
31-90 seconds discharge
91-240 seconds discharge
Over240 seconds discharge
Battery CycleData. The BCM shall collect and retain thisinformationfor each dischargecycle.
Systemtimeand date
Event number
Duration ofcycle(seconds)
LowestDC bus voltage
HighestDC bus current
KWcarriedbythebatteriesatthestartofcycle
Battery EnvironmentAmbientTemperature.Inaddition,the BCM shallretainsummary informationonthe totalnumberofevents,the cumulativeamperehours and the total dischargetimesincea given date.
DataStorageCapacity. The BCM shall be capableofstoringinformationfor up to 132 dischargecycleeventsin itsdatabuffer.When the bufferapproachesitscapacity,a warningmessage