Crestron CNX-BF12 Especificaciones descargar pdf (Pagina 76)

EssentialsofCrestronProgramming

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76

SourceSelectionFeedback

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TheprogrammingforsourceselectionfeedbackutilizesanInterlock‐Togglesymbol,

whichincorporatesInterlockandTogglefunctionsinonesymbol.Thisisnecessary

becauseeachsourceselectbuttonwilltogglethecorrespondingtransportcontrol

subpageopenandclosed.Atthesametime,thebuttonsneedtobeinterlockedsothat

onlyonesubpagecanbeactiveaton

etime.TheInterlock‐Togglesymbolaccomplishes

thisbecauseittogglesthestateofagivenoutputhighandlowwitheachrisingedgeof

thecorrespondinginput,andalsointerlockstheoutputssothatonlyoneoutputcanbe

highatonetim

e(breakbeforemake).

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Arisingedgeofthe<clear>inputimmediatelyforcesalloutputstozero.Thesignal

attachedtothisinputispartofthePowerOffeventandwillbediscussedlater.

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SerialI/O

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Uponselectingasource,thetouchpanelwilldisplayamessageindicatingthecurrently

selectedsource.Thestringisupdatedduringruntimeastheselectedso

urcechanges.

TheSIMPLprogramwillutilizetheSerialI/Osymboltosendstringsdynamicallytothe

touchpanel.

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Asseenintheexample,eachofthesourceselectionbuttonpresseshasbeenroutedtoan

<in>inputontheSerialI/Osymbol.Ontherisingedgeofaninput,thecorresponding

string(indicatedintheparameterfield)willbetransmittedon<tx$>.The<tx$>outputis

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Crestron CNX-BF12 Especificaciones Pagina 76