Beckhoff EP2xxx User Manual download pdf (Page 89)

Mountingandcabling

InsomeoftheanalogmodulesthesensorsoractuatorsaresuppliedbyUpthismeans,forinstance,thatin

thecaseof0...10Vinputs,anyreferencevoltage(0...30V)maybeconnectedtoUp;thisisthenavailableto

thesensors(e.g.smoothed10Vformeasuringpotentiometers).

Detailsofthepowersupplymaybetakenfromthespecificmoduledescriptions.

Attention

Electricalisolationmaybecancelled!

Ifdigitalandanalogfieldbusboxesareconnecteddirectlyviafourcorepowerleads,the

analogsignalsinthefieldbusboxesmaybenolongerelectricallyisolatedfromthecontrol

voltage!

3.3.2 StatusLEDsforpowersupply

Fig.83:StatusLEDsforpowersupply

LEDdisplay

LED Display Meaning

Us(Controlvoltage) off ThepowersupplyvoltageUsisnotpresent

greenilluminated ThepowersupplyvoltageUsispresent

reedilluminated Becauseofoverload(current>0.5A)thesensorsupply

generatedfrompowersupplyvoltageUswasswitchedofffor

allsensorsfedfromthis.

Up(Auxiliaryvoltage) off ThepowersupplyvoltageUpisnotpresent

greenilluminated ThepowersupplyvoltageUpispresent

EP2xxx 89Version2.1.0

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