Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 2 - Installation and Operation
33
SearchpointOptimaPlus(10watts)�A25wattpowersupply
wouldprobablyhandlethisinstallation,buta30wattpower
supplywouldbeabetterchoice�
Wire Selection
Thetypeofwireusedforconnectionshasaneffectonthe
distanceoftheinstallation�Thisisbecausesomeofthevoltage
islostinthewireonthewaytothetransmitter�
Thinnerwire(i�e�,18AWG)willlosemorevoltagethanthicker
wire(i�e�,12AWG)�Theamountofvoltagelostdependsonhow
muchpowerisbeingdrawnthroughthewire;morepowermeans
moreloss�Iftoomuchvoltageislostinthewiring,theremay
notbeenoughatthedistantpointtoallowthetransmitterto
operate�
Distance Chart for Single Transmitter Distances
Forinstallationsthathavededicatedwiringbetweenthe
transmitterandthepowersupply,usethefollowingchart�These
distancesassumestrandedwireisused�Ifmultipletransmitters
areusingthesamepowersupply,makesurethepower
supplywattageratingishighenoughtopoweralltransmitters
simultaneously�
Class 2
Power Supply
Class 2
Power Supply
OR
Figure 32. Single transmitter distances
Single Transmitter Distances
Conguration
18 AWG
[1.0 mm2]
16 AWG
[1.5 mm2]
14 AWG
[2.0 mm2]
12 AWG
[3.5 mm2]
XNXmVorEC
WithSensor
1140feet
[347meters]
1810feet
[551meters]
2890feet
[880meters]
4620feet
[1408
meters]
XNXIRwith
SearchpointOptimaPlus
660feet
[201meters]
1060feet
[323meters]
1690feet
[515meters]
2690feet
[820meters]
XNXIRwith
SearchlineExcel
550feet
[168meters]
890feet
[270meters]
1410feet
[430meters]
2260feet
[690meters]

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