Motorola GTR 8000 - Battery Temperature Sensor Cable; ON;OFF Switch for Power Supply and Battery Charger; Table 2-2 ON;OFF Switch - States for Power Supply and Battery Charger

GTR8000BaseRadio
Themaximumchargingcurrentavailablefromtheintegratedchargeris3A(48VDCnominalsystem).Inorderto
ensurethatthechargeriscapableofmaintaininganadequatestate-of-chargeonthebackupbattery,andthebackup
batteryisrestoredtofullcapacitywithinareasonableamountoftimefollowingoperationonbatterybackuppower.
Motorolarecommendsthatabatterywithcapacitynolargerthan60A-hrbeconnectedtoasinglecharger.
Inadditiontostandardsealedlead-acidbatteries(valve-regulatedleadacidorgelcells),thepowersupplysupports
chargingofventedlead-acidandNiCdbatteries.
2.1.4.3BatteryTemperatureSensorCable
Theintegratedchargerinthepowersupplyperformstemperaturecompensatedbatterychargingwhenatemperature
sensorisconnected.Ifthesensorisdisconnected,thechargercontinuestooperateasanuncompensatedcharger
withthechargingprolefollowingtheminimumchargervoltagespeciedbythebatterymanufacturer.
Includedisa40footbatterytemperaturesensorcable,whichattachestoabatterypack,suppliedbyyour
organization,andtothebackplaneofthedevice.Thisthree-wirecablecarriesavoltagesignaltothepowersupply
fromthesensorelement,whichneedstobemountedincloseproximitytothestoragebattery.V oltageisproportional
tothebatterytemperatureandisusedbydiagnosticcircuitryinthepowersupplymodule.Thiscableisextendedto
atotallengthof190feetusing50footextensions.See3.4.3.4MountingtheBatteryTemperatureSensor,page3-21.
Continuousoperationwithadisconnectedsensorisnotrecommended.
2.1.4.4ON/OFFSwitchforPowerSupplyandBatteryCharger
Thistableidentiestheswitchstatesforthepowersupplyandbatterycharger.
Table2-2ON/OFFSwitch-StatesforPowerSupplyandBatteryCharger
SwitchPositionPowerSupplyStateBatteryChargerState
ON(1)•PowerFactorCorrection
(PFC)sectionisactive(AC
inputonly)
•MainDCconverterrunsto
createtheMAINandAUX
DCoutputs
Canbestartedifdesired(AC
inputonly)
OFF(0)•MainDCconverteristurned
OFFandtheMAINandAUX
DCoutputsbecome0.0VDC
Disabled(ACinputonly)
2-106871022P86-A-November2012