Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 1 - Introduction
12
1.1.5 Patents
ThistableshowsdetailsaboutXNX-relatedpatents�
Patents Applicable to the XNX Universal Transmitter
Patent
Number
Description Application
6,123,818 Reflexpatent ImplementedinXNX
6,251,232 Reflexpatent ImplementedinXNX
6,351,982 Flammablesensorhousing XNXacceptsthissensor
6,395,230 Pellistor SensorusedinXNX
7,225,661 Gascalibrationadapter ApplicabletoXNX
7,716,962 Methodofgascalibration UsedtocalibrateXNXECCcartridges
1.2 Product Overview
TheXNXtransmitteriscomprisedofthemainpartsshown
below�
Cover
Pod
Intrinsically Safe (IS) Barrier for
Optional Local HART Interface
Intrinsically Safe (IS) Barrier for
Electrochemical Sensor Interface
(when equipped)
Enclosure
Figure 2. XNX Exploded View
AcompletedescriptionofXNXaccessoriescanbefoundin
publication1998-0807XNXUniversalTransmitterPartsList�
1.2.1 Enclosure
AvailableineitherStainlessSteelorAluminum,with3/4”NPT
(UL/CSAorUL/INMETRO)orM25(ATEX/IECExonly)threaded
cable/conduitports,theXNXUniversalTransmitterenclosureis
explosion-proofandsuitableforusein-40°Fto+149°F(-40°Cto
+65°C)operatingconditions�A5-coatmarinenishingprocess
providesthehighestdegreeofcorrosionprotection�Formore
informationonperformancespecications,seeSection6-
Specications�
TheXNXenclosureisequippedwithvethreadedcable/conduit
portsprovidingfunctionalandexiblecongurationsbasedon
sensorandoptionchoices�SeeFigure5forcable/conduitport
assignmentsandrestrictions�
Stoppingplugs(HAPN#1226-0257or1226-0258)havebeen
providedtosealunusedcable/conduitportsandhavebeen
Agencyevaluated/approvedforusewiththeXNXenclosure
only�Thenumberofstoppingplugsvariesamongavailable
congurations�
Caution: ThestoppingplugsareforuseonlywiththeXNXTransmitter
andshouldnotbeusedwithanyotherdevice.
MountinglugsintegraltotheXNXenclosurealloweasyinstal-
lationonaatsurfaceor2”-6”(50-150mm)diameterpipewith
theoptionalPipeMountKitorCeilingMountBracketKit�

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