Datasheet

3.OutputVoltageTRIM
4.CurrentSharing
(1)Adjustmentofoutputvoltageispossiblebetween70~100%(Typ.)oftheratedoutputwhichisshowninFig.3.1
(1)Paralleloperationisavailablebyconnectingtheunitsshownasbelow
(+S,-SandLSareconnectedmutuallyinparallel):
(2)Thevoltagedifferenceamongeachoutputshouldbeminimizedthatlessthan 2%isrequired
(3)Thetotaloutputcurrentmustnotexceedthevaluedeterminedbythefollowingequation
(4)Inparalleloperation4unitsisthemaximum,pleaseconsultthemanufactureforother
applications
(5)Whenremotesensingisusedinparalleloperation,thesensingwiremustbeconnectedonly
tothemasterunit
(Outputcurrentatparalleloperation)=(Theratedcurrentperunit)x(Numberofunit)x0.9
FileName:RSP-1500-SPEC2010-10-18
(2)Connectingaresistorexternallybetween TRIMand-SonCN1orCN2thatisshowninFig.3.2.
2.AlarmSignalOutput
(1)Alarmsignalissentoutthrough"P OK"&"P OKGND"pins
(2)Anexternalvoltagesourceisrequiredforthisfunction. Themaximumappliedvoltage
is50Vandthemaximumsinkcurrentis10mA
(3)Table2.1explainthealarmfunctionbuilt-inthepowersupply
Fig.2.2InternalcircuitofP OK(Opencollectormethod)
ExternalvoltageandR
(Themax.Sinkis10mA and50V)
P OKGND
P OK
TRIM
CN1
or
CN2
-S
Function
P OK
Thesignalis"Low"whenthepowersupplyis
65%oftheratedoutputvoltage-PowerOK
above Low
(0.5Vmaxat10mA)
Description Outputofalarm(P OK)
Thesignalturnstobe"High"whenthepowersupply
isunder65%oftheratedoutputvoltage-PowerFail
Highoropen
(Externalappliedvoltage
10mA max.)
R
V
0.1uF 100K
R(0.5W)
+S
Load
V-
V+
-S
LS
LS
-S
+S
CN1
CN2
No.1(Master)
AC/L AC/N
No.2(Slave)
AC/L AC/N
LS
V-
+S
-S
LS
-S
+S
CN1
CN2
V+
AC/NAC/L
CN2
-S
V-
LS
CN1
+S
-S
LS
+S
V+
AC/L AC/N
LS
V-
+S
-S
LS
-S
+S
CN1
CN2
V+
No.3(Slave)
No.4(Slave)
+V
-V
+S
-S
1500WSingleOutputPowerSupply
RSP - 1 5 00 s e ries
4700 1.8K OPEN
70%
80%
90%
100%
Vout
R
Fig.3.1ExternalResistor(Typical)
Fig.3.2Outputvoltagetrimming
Table2.1Explanationofalarm