Ebtron GTC116 - Analog Output Type Selection and Setup

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IG_GTC116_R3A
5.7 GTC116‐AnalogOutp utTypeSelectionandSetup
TheanalogoutputsignaltypeatAO1(OUT1,airflow)andAO2(OUT2,temperature/alarm)canbesetformAor
VDCoutputbysettingswitchesSW1/SW2(Figures6and7)and
byselectingthe4 ‐20mA,0‐5VDCor0‐10VDC
rangesintheANALOGOUTsubmenuoptions*AO1RNGE=/*AO2RNGE= settings.Thetransmitterisshipped
fromthefactorywithSW1/SW2andSetupmenuoptions*AO1RNGE=and*AO2RNGE=setfor4‐20mA.
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5.7.1 GTC116‐ConvertingAnalogOutputSignalValuestoAirflowandTemperature
Table7listsspecificconversionequationsforanalogvoltageorcurrentoutputoptions.
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5.7.2 GTC116‐AO1/AO2OUTPUTTEST‐SendingaTestOutputSignaltotheHostControl
System
Atestoutputsignalbetween0 and100%ofthefullscaleoutput(4‐20mAor0‐5VDC/0‐10VDC)canbeprovided
bytheGTC116transmitterto verifyproper conversionof theoutput signals fromthe transmitterat thehost
control system. Tosetafixedoutputsignalforairflow
andtemperature,navigatetotheOUTPUTTESTsubmenuin
theTOOLSmenu. OUT1andOUT2testsareindependentlyaccessed,andtheoutputwillmaintainthe%selected
untilthe“ESC”buttonispressedandnormaloperationresumes.
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Table7.GTC116ConvertingAnalogOutputValuestoAirflow/Temperature
TO CONVERT TO
Airflow (FPM, MPS) Output Voltage/10 x FS1 Output Voltage/5 x FS1 (Output Current-4)/16 x FS1
Airflow (CFM) Area (SQF) x Output/10 x FS1 Area (SQF) x Output/5 x FS1 Area (SQF) x (Output - 4)/16 x FS1
Airflow (LPS) Area (SQM) x Output/10 x FS1 x 1000 Area (SQM) x Output/5 x FS1 x 1000 Area (SQM) x (Output - 4)/16 x FS1 x 1000
TO CONVERT TO
Airflow (CFM, LPS) Output Voltage/10 x FS1 Output Voltage/5 x FS1 (Output Current - 4)/16 x FS1
TO CONVERT TO
Temp (°F,°C) Output Voltage/10 x (FS2-MS2) +MS2 Output Voltage/5 x (FS2-MS2) +MS2 (Output Current - 4)/16 x (FS2-MS2) +MS2
NOTES:
FS1 is AO1 full scale analog output value from ANALOG OUT MENU.
FS2 is AO2 full scale analog output value from ANALOG OUT MENU.
MS2 is AO2 minimum scale analog output value from ANALOG OUT MENU.
0-10 VDC 0-5 VDC 4-20 mA
ANALOG OUTPUT SCALING AND TYPE
0-10 VDC 0-5 VDC 4-20 mA
When OUTPUT 2 is Configured as Temperature (°F,°C):
ANALOG OUTPUT SCALING AND TYPE
0-10 VDC 0-5 VDC 4-20 mA
ANALOG OUTPUT SCALING AND TYPE
When OUTPUT 1 is Configured as Linear Airflow (FPM, MPS):
When OUTPUT 1 is Configured as Volumetric Airflow (CFM, LPS):