XNXUTAENNNNN


Honeywell XNX Universal Transmitter for Electrochemical input compatible with any gas concentration Toxic/Oxygen sensor, with aluminum alloy LM25 housing. Operates on an industry standard 3-wire 4-20mA HART loop, option for Modbus, Foundation H1 Fieldbus, local Hart and relay outputs, UL, ATEX or INMETRO certified.

Part# with Options:        XNXUTAENNNNN


Easy to Use

Easy to Install

Cost Effective

Applications

XNX is designed for flexible integration, simple installation, user friendly operation and straightforward maintenance. It is ideal for use with a range of gas monitoring controllers or industry standard PLCs. Users are assured of being protected in all conditions with Honeywell Analytics gas monitoring solutions.

Bringing together the best solutions in gas detection

XNX’s modular design enables Honeywell Analytics to offer appropriate, cost effective solutions to a wide range of gas detection requirements.

With the XNX, you are freed from the need to add extra controllers, junction boxes, relays, monitors and other equipment accessories.

The XNX Universal Transmitter is an excellent choice for those who want a total integrated monitoring and safety solution for an industrial plant.

The XNX’s powerful advanced communications module adds increased functionality and flexibility to a gas detection network. Standard HART communications, along with optional Modbus, Foundation Fieldbus (pending) or relays, interface with a PLC and a host of other protocol compatible devices found in industrial applications.

XNX Output Options

Back-lit, easy-to-read LCD display with icons includes a broad range of language options including English, Spanish, French, Italian, Portuguese, German, Russian and Chinese to meet global requirements.


XNX Transmitter
Material LM25 Aluminum, painted (SS316 painted optional)
Cable Entries 5 conduits/cable entries – (2 right, 2 left, 1 bottom) Available in ¾” NPT, or M25
Termination Cage Clamp pluggable Terminal Blocks with retaining screws, 0.5 to 2.5mm (12-28 AWG)
Mounting XNX Enclosure Bracket (ears on casting for u-bolt). Integral cast mounting flanges provide secure mounting to surfaces, channels or up to 6″ Pipe.
Optional Remote sensor (up to 50 ft / 15.2 M) for Cat Bead and Toxic
User interface Standard Custom Backlit LCD. 2.5″ High Resolution DOT Matrix Display. Discrete Alarm and Status indication. Reliable Non-Intrusive 4 button interface magnetic wand access. Optional HART Handheld with IS Port
Signal Standard HART over 3-wire 4-20mA (sink or source). Optional Modbus over RS-485 and Foundation Fieldbus
Environmental
Temperature -40°C to +65°C / -40°F to +149°F (sensor dependent)
Humidity 20 to 90% RH non-condensing
IP Rating NEMA 4X IP65
Options
Form C and SPDT 3 Relays, 240 VAC, 5A (2 Alarm, 1 Fault) (Mutually exclusive with Modbus and Fieldbus Options)
Power
18V to 32V (24V nominal)
Hazardous Area Approvals
Performance Approvals UL Certified Class 1, Div 1
ATEX Zone 1
Display Module & User Interface (Standard)
Display Type Backlit LCD
Information Displayed
Base Information: Gas Reading
Gas Name and Units of measurement
Fault and Alarm Status
Large Numeric concentration or LEL display
Bar graph showing current reading, set points and full scale.
Fault/Alarm and Operating Status Indication: Security settings allow multi level operator access for set-up, configuration and calibration
Event history stores Time and Date of all Alarm, Diagnostic, Configuration events
Interface Magnetic wand with terminal screwdriver (supplied each unit)
4-20mA & HART (Standard Supply)
Description Fully configurable isolated 4-20mA & HART output module providing current sink, current source and isolated modes of operation. (supports HART 6.0 protocol)
Non-intrusive Interface Optional local IS port to enable HOT connection of a HART handheld configurator
Operating Modes Current sink / Current source / Isolated current sink /Conventional or with HART data
Output Range 0 to 22mA
4-20mA Signal Accuracy +/- 1% FS
Max loop resistance 600 Ohms at 24Vdc loop supply
Functions Supported via HART
Gas Reading Detailed Sensor Information Including: RTC (Excel Only)
Gas Name and Units of measurement 4-20mA signal level Optical Signal Level Calibration and Configuration status
General/Device Information Dynamic Reserve (Excel Only) Detailed Fault and Warning Information
Installation Raw reading Fault and Alarm History
Configuration Temperature
Forcing of 4-20mA output
Local IS HART Port (Optional)
Description Provides externally accessible IS connections to the XNX transmitter to enable HOT connection of HC275/375 HART or equivalent hand held configurator.
Installation Fitted to one of the cable entries on the XNX transmitter.
Environmental Protection Terminals protected by cover to IP 66 when not in use
Relay Module (Optional)
Description Provides three fully user configurable relay outputs that can be switched based on the current gas level and/or status of the transmitter. Provides 2 x SPCO alarm and 1 x SPCO fault relays. Single Pole Double Throw SPDT. Option PCB Factory installed in display module.
Installation Fitted into housing base either at the factory or in the field by qualified service engineer.
Rating
Maximum: 240VAC, 5A (non inductive load) Minimum: 5V, 10mA (non inductive load)
Electrical Connections Fault: Common, Normally Open, Normally Closed
Alarm 1: Common, Normally Open, Normally Closed
Alarm 2: Common, Normally Open, Normally Closed
Configuration
Default Configurable Options
Fault Relay: Fault Relay:
Normally energized Normally energized / normally de-energized
Non latching None
Signal inhibit as fault Enable/disable
Alarm 1 / 2 Relays: A1 / A2 Relays:
Normally de-energized Normally energized / de-energized
Non latching Latching / non latching
Alarm rising on gas reading Alarm on rising / falling
Alarm level 20% and 40% of scale Alarm level 10% to 90% of full scale
Hysteresis of 2% of scale
Re-setting of Latched Relays Easily accessible interface on display (if used) or via HART interface (local or remote)
Note Use of the Relay Module or ‘Other’ Communications Module (E.g. Foundation Fieldbus) is mutually exclusive. However, relay function may be used in conjunction with standard communication output i.e. 4-20mA with HART.
Relay Specific Functions via HART Interface Relay status information / Reset of latched conditions / Configuration of relays Forcing of relay state
Reset through non intrusive User Interface. Remote Switch closure using Remote Reset input Remotely through HART
Foundation Fieldbus Module (Optional)
Description Foundation Fieldbus compliant digital communications interface enables connection of the XNX transmitter to a multi-drop Foundation Fieldbus H1 network.
Installation Fitted into housing base either at the factory or in the field by qualified service engineer.
Connections Sig+, Sig- and Screen
Physical Layer Conforms to IEC 1158-2 and ISA 50.02, 31.25Kbits/s
Maximum No. of Nodes 32
Functions Supported
Gas Reading Detailed Sensor Information Including: Detailed Fault and Warning Information:
Gas Name and Units of measurement Optical Signal Level Fault and Alarm History
Instrument status (OK, warning, fault, over-range) Dynamic Reserve (Excel Only) Zero Calibration
Remote zero and span calibration (detector dependent) 24V supply voltage
Remote zero and span calibration (detector dependent) Temperature
RTC (Excel Only)
Calibration and Configuration status
Modbus RTU Module (Optional)
Description The Modbus output module provides an Isolated RS485 output to enable the connection of the XNX transmitter to a multi-drop Modbus network
Installation Fitted into housing base either at the factory or in the field by qualified service engineer.
Connections RS485+, RS485-, Drain
Physical Layer Isolated RS485, 1200 to 19.2K Baud
Maximum No. of Nodes 254 XNX compatible transmitters only
Protocol Modbus RTU
Functions Supported As per Foundation Fieldbus Module (Optional) – see above