Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 2 - Installation and Operation
47
theXNXTransmitterandOptimaPlusorExcelis100feet(33
meters)using0�75mm
2
(18AWG)wireminimum�
Note: Asecond,black-handledscrewdriverisincludedforuseon
terminalblocks2and4.Thistoolissmallerthanthemagneticwand
andisdesignedtofitintotheterminalconnectionsonTB2andTB4.
TheSearchpointOptimaPlusorSearchlineExcelcanbe
suppliedineitherSinkorSourcemodeoperationandistypically
labeledonthewhitewireexitingtheSearchpointOptimaPlusor
SearchlineExcel�UsethetableinFigure50tosetS3andS4to
thesameoutputtypethatappearsonthewiretagoftheIR
device�
FormoreinformationseetheSearchpointOptimaPlusOperating
Instructions(2104M0508)ortheSearchlineExcelTechnical
Manual(2104M0506)�
Connecting Generic mA Devices
UsethefollowingschematicstosetswitchesS3andS4They
must besettothesameoutputtype(whichappearsonthewire
tagofthemAdevice)�
TheIRpersonalitytypeprovidesforagenericmAinputunder
sensortypeconguration�Thetransmittercanbeusedto
convertthemAinputtobereadoverHARToroptionalModbus
orFoundationFieldbusprotocolsandsetoptionalrelays(if
equipped)�AdditionalcongurationofgastypeandunitID
forreportingisrequired(seeGasSelection)�ForGenericmA
devices,inputvaluesbelow3mAwillgenerateFault155�
XNX
+IR
Signal
-IR
R
L
1-7
1-9
1-8
+V
+mA
-V
mA Device
Current
Flow
24V 7W Max
XNX S3 and S4 must be in the UP position
Set mA Device and XNX to the same output type.
Figure 49. XNX mA input sink conguration
XNX
+IR
Signal
-IR
R
L
1-7
1-9
1-8
+V
-mA
-V
mA Device
Current
Flow
XNX S3 and S4 must be in the DOWN position
Set mA Device and XNX to the same output type.
Figure 50. XNX mA input source conguration


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