Mean Well PB-1000 Instruction Manual download pdf (Page 11)

6.23stagecharging(flickswitchto"3"stage)

PB-1000canonlyperform3stageschargingtoChannel A.Duringinitialcharge

(stage1),chargerwillprovidemaximumcurrenttothebattery. Thebuilt-infan

willalsoturnON. Asthebatterystartstogetfull,chargingcurrentwillgradually

decrease(stage2:programmedtolastnolongerthan24hrs).Whencharging

currentdecreasetolessthan10%ofmax.LEDindicatorwillturnGreentoshow

afullcharge. Thechargerwillnowmaintainafloatchargevoltage(stage3).

State

Constant

Current

14.4V

PB-1000-12

28.8V 57.6V

PB-1000-24 PB-1000-48

ChargeCurrent

ConstantCurrent

stage1 stage2

ConstantVoltage

BatteryFull

Start

ChargeVoltage

100%

10%

Orange Green

ColorofLED

Figure6.12stagechargingcurve

Explanationfor2stageschargingcurve

(0)Initialstage(batteryanalysis):

(1)Stage1(constantcurrent):

(2)Stage2(constantvoltage):

Checkbatteryvoltageleveltoseeifitiswithinthenormalrange,whetherornot

abatteryisconnected,orifthebatteryisalreadyfullandfurtherchargingisnot

required.

A constantcurrentisprovidedsothebatterycanbequicklychargedto2.4Vpercell.

A constantvoltageof2.4Vpercellisprovideduntilthechargingcurrentnaturally

tapersdownto10%thenstopcharging.

boostV

Vboost

60A 34.7A 17.4A

Start

Bank A

Constant

Current

Bank A

Constant

Voltage

Bank A

Float

Charge

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Mean Well PB-1000 Instruction Manual Page 11

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