Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 2 - Installation and Operation
73
Figure 111. Beam Block Menu
IftheinfraredbeamfromtheExceltransmitterisblockedor
inhibitedinsuchawaythattheintensityofthebeamdropstoa
levelbelowthereadablethresholdsetbythereceiver,awarning
willbegeneratedbytheXNXtransmitter�TheBeamBlock
Optionsmenuallowstheusertodenethemaximumperiodof
timetheinfraredbeamcanbeblockedandthepercentageof
signallossbeforegeneratingawarningthroughthetransmitter�
Figure 112. Beam Block Warning Time
Usethe  switchestomovetothedesiredbeamblock
timeoptionanduse
✓
toselectit�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�
Figure 113. Setting Beam Block Warning Time
WhenthebeamisblockedlongerthanthevaluesetinTimeto
BeamBlock,afaultisgeneratedbythetransmitter�
SetTimetoFaultsetstheminimumtimethebeamisblocked
beforegeneratingafault�
Figure 114. Beam Block Fault Time
Usethe  switchestomovetothedesiredbeamblock
timeoptionanduse
✓
toselectit�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�
Figure 115. Setting Beam Block Fault Time
WhenthebeamisblockedlongerthanthevaluesetinTimeto
Fault,afaultisgeneratedbythetransmitter�
LowSignalPercentagesetstheminimumpercentagevalueof
thebeamthatisnotblocked�Whenthepercentagedecreases
belowthedenedpercentage,afaultisgenerated�
Figure 116. Low Signal Percentage
Usethe  switchestomovetothedesiredLowSignal
Percentageanduse
✓
toselectit�Usethe  switches


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