Honeywell XNX Technical Manual

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.


Honeywell XNX Specifications

General

Ingress Protection	IP66/67
Product Type	Universal Transmitter
Enclosure Rating	IP66/67
Display	LCD
Communication Protocols	HART, Modbus, Foundation Fieldbus
Power Supply	24 VDC nominal, 18-32 VDC
Operating Temperature	-40°C to +65°C (-40°F to +149°F)
Material	Aluminum or Stainless Steel
Gas Types	Toxic, Oxygen, and Combustible gases
Output	4-20 mA
Relays	3 programmable relays
Approvals	ATEX, IECEx, UL, CSA
Sensor Compatibility	Electrochemical, catalytic, infrared, and other sensor types