
PMAC3000Page5
TheTrackDisplay
Function:Track–Definesthecurrentfunction.Inthiscase,theTrackfunction.
Z‐Rel–DefinestheZeromode.SensorZerocanbereferencetoanabsolutezeroorarelative
zero,indicatedrespectivelybyZ‐AbsandZ‐Rel.
Nov11,2013&4:11:34PM‐Thesevaluesrepresentthecurrentdateandtime.Theyareupdated
inrealtime.
BatteryIndicator–Avisualindicationofhowmuchchargeremainsinthebattery.
0.0000–Representsthecurrentliveloadonthesensor.Thisvalueisupdatedinrealtime.
lb–Representstheselectedengineeringunitsforthesensor.
High,PassandLow–Limitindicators,showinginrealtime,thestatusoftheloadonthesensor.
Menu–ClickingMenuentersthePMAC3000Menu.SeetheMenusection.
+Peak–Representstheother5functions.ClickingthisbuttonwillchangetheFunctionmodeto
whicheverfunctionisdisplayedinthebutton.Thefunctiondisplayedinthebutton,and
thereforeactivatedbythebutton,isselectedinthePMAC3000Menu.SeetheMenusection.
Tare–ClickingTarewillzerothesensor.InZ‐Absmode,thezerowillbetakenfromtheabsolute
zeroreferenceinsidethePMAC3000.InZ‐Relmode,thezerowillbethecurrentloadonthe
sensor.
Note:EachofthelimitindicatorshasacorrespondingoutputavailableontheDigitalI/O
connector.SeeFigure1.Inaddition,thereisa4thoutputnotreflectedonthedisplaythattriggers
whenthemagnitudeoftheloadisgreaterthantheSensorTargetvalue.TheSensorTargetvalue
isaprogrammablethroughthePMAC3000Menu.SeeMenusection.
+Peak,‐Peak&+/‐Peak
ThePeakfunctionssamplethesensoratarateof10,000readings/second.InallPeakfunctions,
theprocessstartswhenareadingisgreaterthanorequaltotheuserdefinedsensorThreshold
valueandendswhenthereadingstaysbelow80%oftheuserdefinedsensorThresholdvaluefor
morethan100milliseconds.SeeFigures6&7.Upontheexpirationofthe100millisecondtimer,
theprocessisconsideredcompleteandthepeakvaluewillbedisplayed.Also,atthistime,the
limitswillbeevaluatedanddisplayed.Ifthereadingrisesabove80%oftheuserdefinedsensor
Thresholdvaluebeforethe100millisecondtimerhasexpired,theprocessisnotconsidered
completeandwillcontinue.
Note:EachofthelimitindicatorshasacorrespondingoutputavailableontheDigitalI/O
connector.SeeFigure1.Inaddition,thereisa4thoutputnotreflectedonthedisplaythattriggers
whenthemagnitudeoftheloadisgreaterthantheSensorTargetvalue.Thislimitevaluationis
doneinrealtimeandmaybeusedtocontroltheprocess.TheSensorTargetvalueisa
programmablethroughthePMAC3000Menu.SeeMenusection.
+Peakcapturespeakloadsthatarepositiveandignoresanypeaksinthenegativedirection,even
ifthemagnitudeofthenegativepeakislargerthanthatofthepositive.SeeFigure6.
‐Peakcapturespeakloadsthatarenegativeandignoresanypeaksinthepositivedirection,even
ifthemagnitudeofthepositivepeakislargerthanthatofthenegative.SeeFigure7.