Datasheet

ThePSUcanbeturnedON/OFFbyusingthe
"RemoteControl"function.
FunctionDescriptionofCN50
FunctionManual
1.RemoteControl
PinNo. Function
Description
2,8
1
4
6
-S
CS
(Optional)
RC+
DC-OK
Turnstheoutputonandoffbyelectricalordrycontactbetweenpin4(RC+)andpin3(RC-).0~0.8V:PowerON,4~10V:PowerOFF.
DC-OKsignalisa TTL levelsignal,referencedtopin6(DC-OKGND).HighwhenPSUturnson.
Negativesensing. The-Ssignalshouldbeconnectedtothenegativeterminaloftheload. The-Sand+Sleadsshouldbetwistedinpairto
minimizenoise pick-upeffect. Themaximumlinedropcompensationis0.5V.
Currentsharingsignal.Whenunitsareconnectedinparallel,theCSpinsoftheunitsshouldbeconnectedtoallowcurrentbalance
betweenunits.
BetweenRC+(pin4)andRC-(pin3)
SWOFF(0~0.8V)
SWON(4~10V)
OutputStatus
ON
OFF
1
2
RC-NC
CN50
RC+-S DC-OK
+SGND
GND
7
-S
8
SW
I=6~20mA
ExternalPower
Source
Fig1.1
Fig2.1
LOAD
-
+
TB2
TB2
+V
+V
-V
-V
CN50
CN50
LED
LED
7
7
1
1
8
8
2
2
3
5
RC-
GND
ReturnforRC+signalinput.
Thispinconnectstothenegativeterminal(-V).ReturnforDC_OKsignaloutput.
7 +S
Positivesensing. The+Ssignalshouldbeconnectedtothepositiveterminaloftheload. The+Sand-Sleadsshouldbetwistedinpairto
minimizenoise pick-upeffect. Themaximumlinedropcompensationis0.5V.
500WSingleOutputwithPFCFunction
US P- 500 se r i es
FileName:USP-500-SPEC2010-10-18
DC-OKsignalisa TTL levelsignal.HighwhenPSUturnson.
2.DC-OKSignal
BetweenDC-OK(pin6)andGND(pin5)
3.3~5.6V
0~1V
OutputStatus
ON
OFF
1
2
RC-NC
CN50
RC+-S DC-OK
+S
7
-S
8