3.OutputVoltageTRIM

(1)ConnectinganexternalDCsourcebetweenPV&-SonCN1orCN2,and

thatisshowninFig.3.1.

+S&+V,-S&-Valsoneedtobeconnected

(2)Adjustmentofoutputvoltageispossiblebetween20~110%(Typ.)oftheratedoutputwhichisshowninFig.3.2.Reducingoutputcurrentisrequiredwhenthe

outputvoltageistrimmedup.

2.AlarmSignalOutput

(1)Alarmsignalissentoutthrough"P OK"&"P OKGND"andP OK2&P OKGND2pins.

(2)Anexternalvoltagesourceisrequiredforthisfunction.

(3)Table2.1explainthealarmfunctionbuilt-inthepowersupply.

Fig.2.2InternalcircuitofP OK(Relay,totalis10W)

Fig.3.1 Addon1~6Vexternalvoltage

Fig.3.2Outputvoltagetrimming

ExternalvoltageandR

(Themax.sinkis500mA and20V)

P OKGND

P OK

Function

P OK

Thesignalis"Low"whenthepowersupplyis

80%oftheratedoutputvoltage-PowerOK

above

Low(0.5Vmaxat500mA)

Low(0.5Vmaxat10mA)

Description

Outputofalarm(P OK,RelayContact)

Outputofalarm(P OK2, TTL Signal)

Thesignalturnstobe"High"whenthepowersupply

isunder80%oftheratedoutputvoltage-PowerFail

Highoropen

(Externalappliedvoltage,500mA max.)

Highoropen

(Externalappliedvoltage,10mA max.)

R

V

Fig.2.3InternalcircuitofP OK2(Opencollectormethod)

ExternalvoltageandR

(Themax.sinkis10mA and30V)

P OKGND2

P OK2

R

V

0.1uF

Table2.1Explanationofalarm

1

2

3

4

5

6

V

Vout

100

120

40

60

80

20

EXTERNAL VOLTAGE(DC)

Non-Linear

OVP >120%

40

60

80

100

120

V

100

40

60

80

20

OUTPUTVOLTAGE(%)

20

+S

+V

LOAD

-V

-S

PV

1~6V

-S

FileName:RSP-3000-SPEC 2012-04-02

3000WSingleOutputPowerSupply