Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 3 - Calibration
93
Figure 200. Span Passed Screen
Ifthecalibrationisnotsuccessful,theSpanFailedscreen
willdisplay�Selecting
✓
willreturntotheSpanConcentration
screentobeginthespancalibrationagain�Selecting
✖
will
exitSpanCalibrationandreturntotheGasCalibrationMenu�
Arrow indicates
gas values too low
Selecting ‘✔’ returns to
the Span Concentration
screen
Figure 201. Span Calibration Failed
OncetheZeroGasandSpancalibrationsarecompleted
successfully,theuserwillbepromptedto:
•exitwithinhibitoff
•exitwithinhibiton,or
•notexit�

   
Figure 202. Span Calibration Failed
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.
3.2.3 Using the Calibration Cup
RefertoFigure203toattachthecalibrationcup:
1� Snapthecalibrationcupintotheweatherprotector�The
twoprotrusionsonthecuptintorecessesintheweather
protector�
2� Attachthehosefromthegascylindertothecalibrationcup�
Notethatthecup’sowisunidirectional�Thereisanarrow
onthebottomshowingowdirection
3� Adjustthecalibrationowrate
1
�
weather
protector
calibration cup
attach gas
cylinder hose
Figure 203. Attaching the Calibration Cup
1300-375ml/minforXNXECsensors,500±200ml/minforXNXmVsensors,unless
otherwisedirected

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