Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 1 - Introduction
13
1.2.2 Cover
Thetransmittercoverissuppliedintheidenticalmaterial
speciedfortheenclosure�
Cover Lock Screw, requires a
2mm hex key (included)
Tempered Glass Window
Cover
Figure 3. XNX components
Atemperedglasswindowrequirestheuseofthesuppliedmagnetic
wand/screwdrivertoactivatethefouruserinterfaceswitchesthat
arelocatedonthefrontofthedisplaymodule�Thisallowsfornon-
intrusivesetupandoperation�
Alockingscrewintegratedintothecoverprovidespositive
lockingthatcanberemovedbyusingthesupplied2mmhex
key
3
�
Figure 4. Magnetic Wand/Screwdriver
Note: Whenattachingthecoverorstoppingplugs,coatthethreads
topreventcorrosion.
3
Seethe XNXUniversalTransmitterPartsList (document1998-0807)forade-
scriptionofallofthepartsthatareshippedwiththetransmitter�
Whilerelaywiringcanuseanyavailable
cable/conduitportintheXNXenclosure,
donotusethesamecable/conduitportfor
bothrelayresetandrelaysignallinesto
avoidelectricalnoise�
Option Position
LocalHARTOption B
XNXElectrochemicalSensor-Local/Remote C
MPD,705Series,SensepointSeries C
SearchpointOptimaPlus AorE
SearchlineExcel TypicallyC
RemoteSensorConnection(exceptEC) Anyremaining
SearchpointOptimaPlus-Remote Anyremaining
Modbus Anyremaining
Relays Anyremaining
Power Anyremaining
Figure 5. XNX Universal Transmitter Cable/Conduit Port Assignments

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