Specifications
DiscreteI/O
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10 I/ODISCRETES
TheI/ODiscretesscreenisusedtoconfiguretheI/ODiscretesparameterstopermitautomatedand/orremotemonitoring
andcontroloftheI/ODiscretes.Eachmodemisequippedwith1inputdiscreteand1outputdiscreteinterfacedtothetop
twopinsonthe4pinmolexpowerconnector.Referto
theusersmanualfordiagramandelectricalspecifications.
Figure25I/ODiscretesConfigurationPage
10.1.1 DISCRETEINPUTCONFIGURATION
Input1Status:
Thisdisplaysthestatusofthediscreteinputassensedbythemodemfirmware.
InputFunction:
Thisallowsselectionofthepossibleautomatedactionsbasedontheinputstatus.
a) ResetModemifGrnd–Ifthemodemsensestheinputas“Ground”,themodemwillbefullyreset.This
signalisdebouncedforapproximately1secondbeforeactionistaken.Thissettingisa“safe”choice
withoutanexternaldevice,asthemodemcontainsapull‐upresistorandthesignalwillbeheldto“Not
Ground”ifnotdrivenbyanexternaldevice.
b) ResetModemifNotGround–Ifthemodemsensestheinputas“NotGround”,themodemwillbefully
reset.Thissignalisdebouncedforapproximately1secondbeforeactionistaken.Thissettingshouldonly
beusedifaexternaldeviceisusedtonormallydrivethisinput
toGround.Themodemwillcontinuously
resetiftheexternaldeviceisnotpresent.