Honeywell XNX - Page 98

XNX Universal Transmitter
Section 3 - Calibration
96
Sensor Reading
at Current Settings
Calibration Gas
Concentration
Figure 210. Span adjustment calculation
7� Select✓
✖
toreturntotheGasCalibrationmenu�Ifthe
calibrationisnotsuccessful,theSpanFailedscreenwillbe
displayed�
Arrow indicates
gas values too low
Selecting ‘✔’ returns to
the Span Concentration
screen
Figure 211. Span Failed screen
Select✓
✓
toreturntotheSpanConcentrationscreentorepeat
thespancalibration�
Select
✖
toexitSpanCalibrationandreturntomain
Calibratescreen�IfSpanCalibrationisexited,theprevious
calibrationvalueswillbeused�Select
✓
✓toreturntotheSpan
Concentrationscreen�
Ifthecalibrationissuccessful,theSpanPassedscreenwillbe
displayed�

Figure 212. Span Passed screen
8� ExittheCalibrationMenu�Afterthezeroandspan
calibrationshavebeensuccessfullycompleted,theuserwill
bepromptedto:
• Exitandturnalarmandfaultinhibitoff,
• Exitandleavethetransmitterininhibitmode�or
• Notexit
 
Figure 213. Calibration exit options
Warning: WhentheXNXtransmitterisplacedinInhibitMode,alarmsare
silenced.Thiswillpreventanactualgaseventfrombeingreported.InhibitMode
mustbelimitedtotestingandmaintenanceonly.ExitInhibitModeaftertesting
ormaintenanceactivities.
