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Ebtron GTC116 - Alarm Features Configuration

Ebtron GTC116
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EBTRON • 1663 Hwy. 701 S., Loris SC 29569 • Toll Free: 800.2EBTRON (232.8766) • Fax: 843.756.1838 • Internet: EBTRON.com 15
GOLD SERIES GTC116 TRANSMITTER
a measurable difference!
EBTRON
IG_GTC116_R3A
5.6 GTC116‐AlarmFeatures
AnalogoutputAO2(OUT2)canbeassignedtofunctionasanalarm output.TheAO2 alarm output can be
assigned in the SETUP menu to operate as an average alarm (A02ASGN=ALRM)orasatroublealarm(AO2
ASGN=TRBL)formonitoringthestatusofthetransmitterandsensors. TheAO2ASGN=
settingislocatedinthe
ANALOGOUTsubmenuoftheSETUPmenu.ThetransmitterLCDdisplaywillindicatetheAlarmstatusfor2
seconds,andwillcyclethroughanyotheralarmsifmultiplealarmeventsareactivefor2secondseach,andthen
displaythecurrentactualflowfor2
seconds. DetailedsetupoftheAlarmfeaturesisshownintheSetupmenu.
5.6.1 AverageAlarm(AO2ASGN=ALRM)
AO2outputisassignedasanaverageairflowalarmoutput.Usefulforapplicationswherealowflowalarmora
highflowalarmforoperationoutsideofadefinedrange(setpointandtolerance)isrequired.
5.6.2 TroubleAlarm(AO2ASGN=TRBL)
AO2outputisassignedasatransmittertroublealarmindicatingafaultwithinthetransmitterorasensorofthe
airflowmeasurementsystem.ThetransmitterLCDwillindicateatroublecodeandabriefdescriptionofthe
trouble.ContactEBTRONcustomerserviceforadditionalinformationorassistancewithtroublecodes.
5.6.3 NoFault(NOFAULT=HI)
WhenAO2outputisassignedasanalarm,thissettingconfiguresthenormaloutputconditiontobeHIorLO
relativetothefullscaleanalogoutputlevelselectedwhennofaultconditionexists.
5.6.4 AlarmIndications
Table6detailsthealarmtypes,LCDindicationsandAO2alarmoutputindication.Usercanselecteitherorbothof
thetwoAverageAlarmsortheTroubleAlarm.
5.6.5 LowAlarm‐“LOALRM=ON”
TheLowAlarmisactivatedwhentheaverageairflowfallstoadefinedlevelbelow theSETPNT=value.Thedefined
levelis equaltotheSETPNT=valueminusthecalc ulated valueof(TOL =value*SETPNT=value).Onceactive,thealarm
canbeclearedwhentheaverageairflowrisesabovethe
setpointminuscalculatedtolerancevalue.
5.6.6 HighAlarm‐“HIALRM=ON”
TheHighAlarmisactivatedwhenthe averageairflowrisesaboveadefinedlevelabovetheSETPNT=value.The
definedlevelisequaltotheSETPNT=valueplusthecalculatedvalueof(TOL=value*SETPNT=value).Onceactive,
thealarmcanbeclearedwhentheaverageairflowfallsbelowthe
setpoint+calculatedtolerancevalue.
5.6.7 TroubleAlarm‐“AO2ASGN=TRBL”
TheTroublealarmprovidestroublecodesusefulforisolatingsetupissuesorproblemswithinthetransmitteror
sensors.ThetransmitterLCDwillindicateTROUBLE!regardlessofwhetherAO2isassignedtoTRBLE.The
Diagnosticsubmenucanbeengagedfortheerrorcodeandabriefdescriptionofthetrouble. ContactEBTRON
customerserviceforinformationontroubleshootingusingtheTroubleerrorcodes.
Table6.GTC116AlarmTypesandNotifications
ALARM OUTPUT
ASSIGNMENT TYPE
LOCAL LCD DISPLAY OF ALARM
TYPE AND NOTIFICATION
ANALOG OUTPUT 2
ALARM INDICATION
NETWORK
ALARM INDICATION
**LOW ALARM**
(Average Alarm)
Display alternates between
**LOW
ALARM**
(then any other alarms) and
actual reading for 2 seconds each.
**HIGH ALARM**
(Average Alarm)
Display alternates between
**HIGH
ALARM**
(then any other alarms) and
actual reading for 2 seconds each.
TROUBLE !
(Trouble Alarm)
Display indicates
TROUBLE !
(Refer to DIAGNOSTIC menu to obtain a
brief description of the error and any
other alarms).
On alarm or trouble, OUT2 is
active high (or active low)
relative to the full scale
maximum (or minimum)
analog value as determined
by the SETUP Menu “NO
FAULT=” selection. Individual
sensor velocities can be
viewed using the Diagnostics
submenu.
Alarm Status is available at
BACnet Objects and
Modbus Registers. Refer to
BACnet Objects List and
Modbus Register Map for
additional detail.

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