Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 2 - Installation and Operation
71
Searchline(seethetableinthenextcolumn)�
Figure 102. mA Levels Menu
Usingthe  switches,movetothemAoutputtobechanged
anduse
✓
toselectit�

✓

Figure 103. Set mA Levels for Warning
Usethe  switchestodecrementorincrementthevalueuntil
thedesiredvalueappears�Use
✓
toselectthevalueandmove
tothenextsetting�Repeatforeachsettingtobechanged�
ThedefaultvaluesandavailableoutputrangesforInhibit,
Warning,Overrange,BeamBlocked,andLowSignalareshown
inthefollowingtable�SeeSection5Warnings/Faultsformore
information�

Signal
Output (mA)
Default Min Max
I
Inhibit 2.0 1.0 3.5
W
Warning 3.0 1.0 3.5
O
Overrange 21.0 20 22
B
BeamBlocked 1.0 1.0 4.0
L
LowSignal 1.0 1.0 4.0
Figure 104. Set mA Levels for Inhibit
Afterallchangeshavebeenmade,usethe  switchesto
movetothe‘ü’anduse
✓
onthefrontpaneltoacceptandsave
thesettings�If ‘ü’isnotselected,noneofthechangeswillbe
saved�
Figure 105. mA Settings Saved
Calibration Interval
CalibrationIntervalallowsadesiredintervalforsensor
calibrationtobesetforsensorsattachedtothetransmitter�The
transmitterwillgenerateawarningwhentheintervalisreached�
Figure 106. Calibration Interval Menu
CalibrationIntervalwillnotappearwhenanIRpersonalityboard
isattachedandthemAsensortypeissetas‘OthermASensor’�
Thedefaultcalibrationvaluesforthe“CalibrationRequired”
diagnosticvarybasedonsensortype�Thisvaluecanberepro-
grammedinaccordancewithsiterequirementstoensurethe
highestlevelofsafety�Correctoperationofeachsensorshould
beconrmedusingcalibrationwithacertiedgasofknowncon-
centrationbeforecommissioning�
AlthoughthecalibrationIntervalcanbesettoanyvaluebe-
tween0and360days,HoneywellAnalyticsrecommendsthatthe
intervalforelectrochemicalandcatalyticsensorsbesetto180


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