Siemens SCD 1297-C1 - Electrical Installation; Touch-Screen Version SCD 1297 Xx;T

LCD-MonitorSCD1297 
Page12/19
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DOC-No.:B30071D1.DOC
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PowerSupply
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PowerissuppliedtotheSCD1297viaastandardpowerconnectorontherearoftheunit.
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Pin Name Description
O GND PowersupplygroundGND
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+12V Powersupply+12VDC
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2.4 ElectricalInstallation
BeforeconnectingtheSCD1297tothepowersupply,acheckshouldbecarriedoutastowhether
theVGAconnectorispluggedinproperlyandthatthescrewsaretightened.Thereisacompartment
ontherearoftheunittoholdthestandardpowersupplyunitdeliveredwiththedisplay.
Themonitorcan,however,alsobepoweredbya12Vsupply(observepolarityofthepowersupply
connections).
Ifavideosignalisconnected,theimagewillappearimmediatelyonthescreen.
Therearemanypossiblereasonswhyanimagemightfailtoappearonthedisplayafterithasbeen
switchedon:
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 -noVGAsignalconnected
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 -nosynchronisationsignalconnected
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- horizontalandverticalsynchronisationsignalsareconnectedthewrongwayround
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2.5 Touch-screenversionSCD1297xx/T
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The installation of the necessary touch screen driver software is described in the manufacturers
originaltouch-screenmanualwhichisenclosed.
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