Controlling the DP570 Using the GPI/O Connector
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DP570 Multichannel Audio Tool User’s Manual 23
GPO Setup
Outputpins4and7–19inFigure 3 ‐7andTable are user‐defined.Todefineafunctionfor
anoutputpin,entertheGPO SetupmenuintheSystem SettingssectionoftheSetup
menu,usethearrowbuttonstoselectthepinnumberyouwishtodefine,andpress
Enter.
Threesubmenus areavailable:Trigger,Polarity,andFunction.Triggerdefinesthe
typeofsignalthepinproducesandcanbesettoLevelorEdge.IfsettoLevel, thepin
producesaconstantlevel,ifsettoEdge,thepinproducesapulseofabout200ms
duration
(185msminimum).PolaritycanbesettoPositive/HighorNegative/Low.
Edge‐triggeredsignalsareeitherpositiveornegative.Level‐triggeredsignalsareeither
highorlow.
TheFunctionmenuletsyouassignafunctiontothepinyouhaveselected.
GPI Setup
Inputpins23–36inFi gure 3‐7andTable 3‐8areuser‐defined.Todefineafunctionforan
inputpin,entertheGPI SetupmenuintheSystem SettingssectionoftheSetup
menu,usethearrowbuttonstoselectthepinnumberyouwishtodefine,andpress
Enter.
Threesubmenus areavailable:Trigger,Polarity,andFunction.Triggerdefinesthe
typeofsignalthepinrequiresandcanbesettoLevelorEdge.IfsettoLevel,thepinis
triggeredbyaconstantlevel;ifsettoEdge,thepinrequiresapulseof
100msminimum
duration.PolaritycanbesettoPositive/HighorNegative/Low.Edge‐triggered
signalsareeitherpositiveornegative.Level‐triggeredsignalsareeitherhighorlow.
6
Solocontrolinput
a
Highpolarity
Level‐triggered
Activestate:Engaged
24 User‐definedinput
7User‐definedoutput 25 User‐definedinput
8User‐definedoutput 26 User‐definedinput
9User‐definedoutput 27 User‐definedinput
10 User‐definedoutput 28 User‐definedinput
11 User‐definedoutput 29 User‐definedinput
12 User‐definedoutput 30 User‐definedinput
13 User‐definedoutput 31 User‐definedinput
14 User‐definedoutput 32 User‐definedinput
15 User‐definedoutput 33 User‐definedinput
16 User‐defined
output 34 User‐definedinput
17 User‐definedoutput 35 User‐definedinput
18 User‐definedoutput 36 User‐definedinput
19 User‐definedoutput 37 Digitalground
a.AvailableonlyinunitswiththeCat.No.548AnalogOptionCard.
Table 3-8 GPI/O Pins Available
Pin Function Pin Function