ProfiMessage
Topreventearthloops,earththeshieldononesideofthecircuitonly(see
example).
a) Sensors without earth
Earthingoftheshieldisinthiscaseone-sidedanddirectlyatthedevice(PEcon-
nectiononthepowersupply).
SeealsoEarthing.
b) Sensors with earthing
Whentheuseofearth-freesensorsisnotpossible,earththeshieldonlyorattach
ittothesensor'searthpotential(seeexample).
SeealsoPotentialdifferences.
7.5 ESD protection
ThedeviceandtheADGT3.0modulehaveearthterminalsspecificallyforESDpro-
tection(ESD,ElectroStaticDischarge)oftheinputs.
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Dezember 2015
ProfiMessage Manual