xnx universal transmitter technical manual

The XNX Universal Transmitter is a versatile gas detection solution designed for hazardous environments․ It supports multiple sensing technologies‚ including EC‚ IR‚ and catalytic bead‚ ensuring accurate gas detection;

1․1 Overview of the XNX Universal Transmitter

The XNX transmitter provides reliable gas monitoring‚ suitable for detecting flammable‚ toxic‚ and asphyxiant gases‚ with a 4-20mA output and HART communication for seamless integration․

1․2 Key Features and Benefits

Key features include Hot Swap sensor technology‚ intrinsic safety‚ and support for Modbus‚ Foundation Fieldbus‚ and relay outputs‚ ensuring flexibility in industrial applications․

1․3 Supported Sensing Technologies

The transmitter supports electrochemical‚ infrared‚ and catalytic bead sensors‚ offering robust detection capabilities for various gas types in hazardous locations․

The XNX Universal Transmitter is a advanced gas detection system designed for hazardous environments․ It supports multiple sensing technologies‚ including electrochemical‚ infrared‚ and catalytic bead sensors‚ ensuring accurate detection of flammable‚ toxic‚ and asphyxiant gases․ The transmitter features a 4-20mA analog output with HART communication‚ enabling seamless integration with industrial control systems․ It also supports optional communication protocols like Modbus and Foundation Fieldbus for enhanced connectivity․ With its rugged design and intrinsic safety certifications‚ the XNX transmitter is suitable for installation in Zone 1 hazardous locations․ Its compact size‚ user-friendly interface‚ and Hot Swap sensor capability make it a reliable and flexible solution for gas detection applications․

The XNX Universal Transmitter offers exceptional reliability and flexibility for gas detection applications․ It supports multiple communication protocols‚ including HART‚ Modbus‚ and Foundation Fieldbus‚ enabling seamless integration with various control systems․ The transmitter features a 4-20mA analog output with optional relay configurations for alarm and control functions․ Its intrinsic safety design ensures safe operation in hazardous environments‚ while the Hot Swap sensor capability allows for easy maintenance without system downtime․ The transmitter’s rugged enclosure and high-accuracy sensing technologies make it suitable for detecting flammable‚ toxic‚ and asphyxiant gases in industrial settings․ These features combine to provide a robust‚ reliable‚ and user-friendly gas detection solution․

The XNX Universal Transmitter supports three primary sensing technologies: electrochemical (EC)‚ infrared (IR)‚ and catalytic bead․ Electrochemical sensors are ideal for detecting toxic gases like carbon monoxide and hydrogen sulfide‚ offering high sensitivity and accuracy․ Infrared sensors are suited for flammable gases‚ providing reliable detection with minimal cross-interference․ Catalytic bead sensors excel in detecting flammable gases and vapors‚ with a wide range of applications in hazardous environments․ These technologies ensure versatility‚ enabling the transmitter to address diverse gas detection needs across industrial settings․ Each sensor type is pre-calibrated for seamless integration‚ ensuring optimal performance and safety․ Regular maintenance‚ such as sensor replacement‚ is essential for sustained accuracy․

Safety Information

The XNX Universal Transmitter requires adherence to safety protocols to prevent hazards․ Proper grounding and intrinsic safety measures are essential to avoid ignition risks in hazardous environments․

2․1 General Warnings and Cautions

Read and understand this manual before installing‚ operating‚ or maintaining the XNX Universal Transmitter․ Pay attention to all warnings and cautions to ensure safe operation․ Warnings highlight practices that could result in severe injury or death․ Do not tamper with or disassemble sensor cells‚ as they may contain corrosive solutions․ Avoid exposing sensors to extreme temperatures or organic solvents․ proper grounding is essential to prevent ignition risks in hazardous environments․ Always declassify the area or disconnect power before servicing sensors․ Follow local waste management regulations for sensor disposal․ Accessing the sensor interior requires caution‚ especially in Zone 1 locations․ Ignition hazards may occur due to impact or friction with aluminum enclosures in such areas․

2․2 Handling and Installation Safety

Handle the XNX Universal Transmitter with care to avoid damage․ Use protective equipment when working with sensors containing corrosive solutions․ Ensure sensors are not exposed to extreme temperatures or organic solvents during installation․ Proper grounding is critical for intrinsic safety and to prevent radiofrequency interference․ Use shielded cables for installations in noisy environments‚ ensuring cable shields are terminated at cable glands․ Follow local codes and manufacturer guidelines for junction box installation․ In Zone 1 locations‚ avoid ignition risks from impact or friction with aluminum enclosures․ Periodic bump tests (every 30 days or as per site procedures) are recommended to ensure sensor functionality and compliance with safety ratings․ Always power off the transmitter before adjusting settings like S3 or S4 switches․

2․3 Intrinsic Safety and Grounding Requirements

Ensure the XNX Universal Transmitter is properly grounded to meet intrinsic safety standards‚ preventing ignition risks in hazardous areas․ Grounding points are provided inside and outside the unit for electrical safety and to minimize radiofrequency interference․ Use shielded cables for EMI protection‚ terminating shields at cable glands․ Avoid grounding cable shields inside the transmitter’s enclosure․ The external terminal serves as a supplemental bonding connection where local codes permit․ Compliance with UL/CSA standards for hazardous locations is essential․ Proper grounding ensures reliable operation and protects against voltage surges․ Always follow local regulations and manufacturer guidelines for safe installation in Zone 1 environments․

Product Description

The XNX Universal Transmitter is a versatile gas detection system supporting multiple sensing technologies‚ communication protocols‚ and output options‚ ensuring adaptability and robust performance in hazardous environments․

3․1 Sensor Types (EC‚ IR‚ Catalytic Bead)

The XNX Universal Transmitter supports three primary sensor types: electrochemical (EC)‚ infrared (IR)‚ and catalytic bead․ Each sensor type is designed for specific gas detection applications․ Electrochemical sensors are ideal for toxic gases like carbon monoxide (CO) and hydrogen sulfide (H2S)‚ offering high sensitivity and fast response times․ Infrared sensors are suited for detecting flammable gases such as methane‚ with reliable performance in harsh environments․ Catalytic bead sensors are also used for flammable gases‚ providing longevity and stability in hazardous areas․ These sensor options ensure versatility and accuracy in gas detection across various industrial settings․

3․2 Communication Protocols (HART‚ Modbus‚ Foundation Fieldbus)

The XNX Universal Transmitter supports multiple communication protocols to ensure compatibility with various industrial systems․ HART (Highway Addressable Remote Transmitter) is the standard protocol‚ enabling digital communication over a 4-20mA analog signal for advanced diagnostics and configuration․ Modbus is an optional protocol for RS485 communication‚ allowing integration into SCADA systems and industrial networks․ Foundation Fieldbus is another optional protocol‚ providing robust process control communication in hazardous environments․ These protocols enable seamless integration‚ remote monitoring‚ and efficient data exchange‚ making the XNX transmitter highly adaptable to diverse industrial applications and communication requirements․

3․3 Output Specifications (4-20mA‚ Relay)

The XNX Universal Transmitter provides a 4-20mA analog output‚ refreshed every 2 seconds‚ proportional to the measured gas concentration․ This output is compatible with standard industrial control systems for precise monitoring and control․ Additionally‚ the transmitter includes relay outputs for alarm and fault notifications‚ enabling automatic responses to hazardous conditions․ The 4-20mA signal also supports HART communication for advanced diagnostics and configuration․ Relay outputs can be programmed for specific alarm levels‚ ensuring reliable alerting in critical situations․ The transmitter’s output specifications ensure seamless integration with control systems‚ making it a robust solution for industrial gas detection applications․ Its adaptability to various output requirements enhances operational efficiency and safety․

Installation Guidelines

Proper installation ensures optimal performance and safety․ Mount the transmitter securely‚ following local codes‚ and ensure correct grounding for intrinsic safety․ Handle sensors carefully to avoid damage․

4;1 Mounting Considerations

The XNX Universal Transmitter must be mounted securely to ensure proper operation and safety․ Choose a location that allows easy access for maintenance and calibration․ Ensure the transmitter is installed in accordance with local codes and regulations․ For remote sensor configurations‚ mount the sensor in a fixed position to avoid vibration or movement․ Use the provided mounting hardware to secure the unit firmly to the surface․ Avoid installing in areas with extreme temperatures or humidity that exceed the transmitter’s environmental specifications․ Proper grounding is essential for intrinsic safety and to prevent electromagnetic interference․ Always ensure the unit is earthed/grounded before powering it on․ Follow the manufacturer’s guidelines for optimal performance and reliability․

4․2 Remote Sensor Mounting

When mounting the remote sensor‚ ensure it is securely fixed in a stable‚ fixed position to prevent vibration or movement; Use the provided Remote Mount Kit for proper installation․ The sensor enclosure contains aluminum‚ so handle with care to avoid ignition hazards in Zone 1 locations․ Ensure the sensor is earthed/grounded for intrinsic safety and to minimize radiofrequency interference․ Avoid exposing the sensor to extreme temperatures‚ humidity‚ or corrosive environments․ Proper cable management is crucial; use shielded cables and ensure connections are secure․ Follow local codes and manufacturer guidelines for installation․ Regularly inspect the sensor mounting for integrity and perform periodic bump tests as recommended․ Always power off the transmitter before servicing the remote sensor․

4․3 Junction Box Installation

The junction box must be installed according to local codes and manufacturer guidelines to ensure safe and reliable operation․ The enclosure contains aluminum‚ so avoid activities that could cause sparks or friction‚ especially in Zone 1 locations․ Properly terminate all cables using suitable glands to maintain intrinsic safety and prevent EMI interference․ Do not terminate cable shields inside the XNX enclosure․ The junction box serves as a supplemental bonding connection only where required by local authorities․ Ensure the junction box is securely mounted and provides adequate environmental protection․ Direct exhaust flow outlets to a safe area to prevent gas accumulation․ Regularly inspect the junction box and connections to ensure compliance and operational integrity․

Wiring and Connections

Proper wiring is essential for safe and reliable operation․ Use shielded cables to prevent EMI interference‚ ensuring all connections are secure and meet local codes․ POD connections must be correctly configured‚ and 4-20mA outputs should be properly set up․ Follow specific guidelines for Foundation Fieldbus wiring to maintain communication integrity․

5․1 General Wiring Considerations

Proper wiring is critical for safe and reliable operation of the XNX Universal Transmitter․ Use shielded cables to minimize electromagnetic interference (EMI)․ Ensure cable shields are terminated at cable glands‚ avoiding termination inside the transmitter enclosure․ For installations in hazardous areas‚ follow intrinsic safety requirements․ Power off the transmitter before making any wiring changes․ Verify all connections are secure and meet local electrical codes․ Use appropriate wiring materials rated for the operating environment․ Avoid routing cables near high-voltage lines or sources of interference․ Ensure proper grounding to prevent electrical hazards and maintain signal integrity․ Follow the manufacturer’s guidelines for wiring to ensure optimal performance and compliance with safety standards․

5․2 Distance and POD Connections

The XNX Universal Transmitter supports connections over varying distances‚ ensuring flexibility in installation․ For POD (Power Over Data) connections‚ the maximum distance between devices depends on cable type and quality․ Copper cables typically allow up to 1200 meters‚ while fiber-optic cables can extend this further․ Exceeding these limits may result in signal degradation or loss of communication․ Use high-quality‚ shielded cables to minimize interference and ensure reliable data transmission․ The transmitter supports both copper and fiber-optic connections‚ with specific distance specifications outlined in the technical manual․ Always verify cable compatibility and distance constraints before installation to maintain optimal performance and compliance with safety standards․ Proper planning ensures seamless communication and reliable gas detection․

5․3 Foundation Fieldbus and Terminal Connections

The XNX Universal Transmitter supports Foundation Fieldbus communication for advanced control and data integration․ For proper connections‚ ensure the terminal blocks are securely wired to the fieldbus network․ Use high-quality‚ shielded cables to minimize electromagnetic interference (EMI)․ The transmitter is compatible with both 4-20mA and fieldbus protocols‚ allowing seamless integration into existing systems․ Follow the technical manual for specific wiring diagrams and configuration settings․ Verify power supply connections and ensure all field devices are properly addressed․ Proper termination and grounding are critical for reliable communication․ Refer to the manual for detailed instructions on configuring fieldbus parameters and troubleshooting common connection issues․ Always adhere to the recommended guidelines for optimal performance and safety․

Configuration and Setup

The XNX Universal Transmitter requires initial configuration‚ including language‚ date‚ and time settings․ Users can set sensor types‚ range‚ and alarm parameters for precise gas detection․

6․1 Language‚ Date‚ and Time Settings

The XNX Universal Transmitter requires configuration of language‚ date‚ and time settings for proper operation․ Access these settings via the front panel menu․ Select the desired language using navigation arrows․ Set the date and time accurately to ensure event logging and alarm tracking are synchronized․ Time synchronization can also be done via a PC or NTP server for precision․ After configuring‚ save the settings to apply changes․ Correct date and time settings are crucial for maintaining accurate records and ensuring reliable gas monitoring․ This step is essential for compliance with safety protocols and seamless integration with other systems․ Proper configuration ensures optimal performance and data integrity․

6․2 Sensor Type Configuration

The XNX Universal Transmitter requires sensor type configuration to ensure accurate gas detection․ Access the configuration menu via the front panel․ Select the sensor type (EC‚ IR‚ or catalytic bead) based on the installed sensor․ Proper configuration ensures correct gas detection and alarm settings․ The transmitter auto-recognizes some sensors‚ but manual adjustment may be needed for others․ Refer to the technical manual for specific sensor configuration details․ Incorrect settings can lead to inaccurate readings or safety hazards․ Configuration must align with the installed sensor type to maintain reliability and compliance with safety standards․ Always follow the manual’s guidelines for precise setup and operation․

6․3 Range‚ Alarms‚ and Fieldbus Settings

Configure the XNX transmitter’s range‚ alarms‚ and Fieldbus settings to optimize performance․ Set the measurement range to match the sensor’s capabilities and application requirements․ Define alarm levels for low‚ high‚ and fault conditions to ensure timely alerts․ For Fieldbus communication‚ configure device addresses‚ baud rates‚ and protocol-specific parameters․ Enable latching or non-latching alarms based on safety needs; Adjust these settings via the front panel or external configuration tools․ Proper setup ensures accurate gas monitoring‚ reliable alarms‚ and seamless communication with control systems․ Refer to the technical manual for detailed configuration steps and parameters․ Improper settings may lead to inaccurate readings or communication errors․ Always verify configurations after changes to maintain system integrity․

Calibration Procedures

Calibrate the XNX transmitter to ensure accurate gas detection․ Perform zero and span adjustments using certified test gases․ Follow manual instructions for sensor replacement․

7․1 Gas Calibration Menu

Access the gas calibration menu to configure and adjust the transmitter’s response to specific gases․ Select the appropriate gas type from the menu and follow on-screen instructions․ Use certified test gases for zero and span calibration to ensure accuracy․ Allow the sensor to stabilize before applying test concentrations; After calibration‚ reset any fault messages and ensure the transmitter is operational․ Regular calibration maintains performance and compliance with safety standards․ Always refer to the technical manual for detailed procedures and safety precautions․ Proper calibration is essential for reliable gas detection and alarm functionality․ Ensure all steps are followed carefully to avoid errors or sensor damage․

7․2 Zero and Span Calibration

Zero calibration sets the transmitter’s baseline‚ ensuring accurate gas detection․ Perform this in a clean air environment or using zero gas․ Adjust the sensor to read 0% gas concentration․ Span calibration sets the sensor’s full-scale range using a calibration gas of known concentration․ Follow the menu-driven interface to apply the gas and adjust the settings․ After calibration‚ verify the response and save the settings․ Regular zero and span calibration ensures optimal performance and accuracy․ Always use certified calibration gases and follow safety protocols to avoid exposure hazards․ Refer to the technical manual for detailed step-by-step instructions․ Proper calibration is critical for reliable gas detection and alarm functionality․

7․3 Sensor Replacement and Adjustment

Sensor replacement is essential for maintaining accuracy and reliability․ Power off the transmitter before replacing sensors to ensure safety․ For EC sensors‚ remove the old cartridge and insert the new one‚ ensuring it clicks securely․ Adjust the sensor alignment if necessary․ Perform a bump test and calibration after replacement to verify performance․ For catalytic bead or IR sensors‚ follow specific instructions in the manual to avoid damage․ Handle sensors carefully‚ as they may contain corrosive materials․ After replacement‚ check all connections and perform functional tests to ensure proper operation․ Regular sensor maintenance extends lifespan and ensures accurate gas detection‚ adhering to safety standards․ Always refer to the technical manual for detailed procedures․

Maintenance and Troubleshooting

Regular maintenance ensures optimal performance․ Perform periodic inspections‚ bump tests‚ and check fault messages․ Address error codes promptly to resolve issues․ Schedule sensor replacements as needed․

8․1 Periodic Inspections and Bump Tests

Regular periodic inspections and bump tests are essential to ensure the XNX Universal Transmitter operates reliably․ These checks verify sensor functionality and system accuracy․ Inspect sensors for cleanliness and wear‚ ensuring proper connection and alignment․ Perform bump tests every 30 days or as per site procedures to confirm response to test gas․ Check wiring and connections for integrity‚ avoiding any signs of damage or corrosion․ Document all findings and maintain a record for compliance․ Address any anomalies promptly to prevent operational disruptions․ These routine checks ensure the transmitter meets functional safety standards and provides accurate gas detection in hazardous environments․

8․2 Fault Messages and Error Codes

The XNX Universal Transmitter displays fault messages and error codes to indicate malfunctions or deviations from normal operation․ These messages appear on the transmitter’s front panel and are critical for troubleshooting․ Common faults include sensor errors‚ communication issues‚ or overrange conditions․ Error codes are predefined and documented in the technical manual‚ providing specific guidance for resolution․ Users should refer to the manual to interpret codes accurately․ Faults may require actions like resetting alarms‚ checking wiring‚ or replacing components․ Addressing faults promptly ensures system reliability and safety․ Always follow proper procedures when resolving faults to maintain compliance and functionality․ Regular inspection of fault logs helps prevent recurring issues․

8․3 Resetting Alarms and Overrange Conditions

The XNX Universal Transmitter allows users to reset alarms and address overrange conditions through its front panel interface․ Resetting alarms involves acknowledging the condition and verifying that the gas levels have returned to safe ranges․ Overrange conditions‚ indicated by specific error codes‚ may require calibration adjustments or sensor replacements․ The transmitter supports latching and non-latching alarm configurations‚ depending on the setup․ After resolving the issue‚ the transmitter automatically resumes monitoring․ Ensure all safety protocols are followed before resetting to avoid false clearances․ Proper reset procedures are detailed in the technical manual to maintain system integrity and reliability․ Always address the root cause to prevent recurring issues․

Technical Specifications

The XNX Universal Transmitter operates within specified environmental conditions‚ ensuring reliability in hazardous locations․ It meets global certifications‚ including UL‚ CSA‚ and FM standards‚ and is protected by patents․

9․1 Environmental and Operating Conditions

The XNX Universal Transmitter operates effectively in harsh environments‚ with a temperature range of -40°C to 60°C (-40°F to 140°F) and humidity up to 95% RH․ It is designed to function in hazardous areas‚ meeting UL‚ CSA‚ FM‚ and ATEX certifications for intrinsic safety and explosion-proof ratings․ The transmitter withstands vibration up to 2g‚ ensuring reliability in industrial settings․ Storage conditions allow for temperatures from -50°C to 80°C (-58°F to 176°F)․ Marine-approved models are available for offshore applications․ Compliance with global safety standards ensures optimal performance in diverse environmental conditions‚ making it suitable for both indoor and outdoor installations worldwide․

9․2 Compliance and Certifications

The XNX Universal Transmitter meets rigorous global safety and performance standards‚ ensuring compliance with UL‚ CSA‚ FM‚ and ATEX certifications for hazardous locations․ It is UL 913 intrinsically safe and explosion-proof rated for Class I‚ II‚ III‚ Division 1 environments․ The transmitter also complies with marine approvals‚ making it suitable for offshore applications․ Additionally‚ it adheres to ISA 100․11a standards for wireless communication in industrial settings․ These certifications ensure the transmitter operates safely and reliably in diverse environments‚ from industrial plants to maritime installations․ Its compliance with international standards underscores its suitability for global deployment in hazardous and non-hazardous areas․

9․3 Patents and Trademarks

The XNX Universal Transmitter and its components are protected by various patents owned by Honeywell International Inc․ and its affiliates․ HART is a registered trademark of the HART Communication Foundation․ Modbus is a registered trademark of Schneider Automation Inc․ FOUNDATION Fieldbus is a trademark of Fieldbus Foundation․ Honeywell Analytics is a registered trademark of Honeywell International Inc․ All other trademarks and patents are the property of their respective owners․ Honeywell reserves the right to revise or update this information without prior notice․ This document is for informational purposes only and is subject to change without obligation․

Appendices

This section includes supplementary materials such as a glossary of terms‚ a list of standards‚ and references for further reading on the XNX Universal Transmitter․

10․1 Glossary of Terms

This section provides definitions for key terms related to the XNX Universal Transmitter․

  • HART: A communication protocol layered over 4-20mA for smart instrumentation․
  • Modbus: A master-slave protocol for communication between electronic control devices․
  • Foundation Fieldbus: A digital communication protocol for process control and automation․
  • 4-20mA: An analog current loop standard for electronic signal transmission․
  • Intrinsic Safety: A design approach to prevent ignition of flammable atmospheres․
  • EC (Electrochemical): A sensor type for detecting toxic gases․
  • IR (Infrared): A sensor technology using infrared absorption for gas detection․
  • Catalytic Bead: A sensor type for detecting flammable gases through catalytic combustion․
  • Hot Swap: A feature allowing sensor replacement without powering down the transmitter․

10․2 List of Standards and References

This section outlines the key standards and references applicable to the XNX Universal Transmitter․ Compliance with these ensures safe and reliable operation․

  • UL/CSA: Standards for equipment in hazardous locations in North America․
  • FM: Factory Mutual certification for explosion-proof devices․
  • IEC: International standards for electrical and gas detection equipment․
  • EN: European standards for gas detectors and explosion-proof systems․
  • ISA: Standards for intrinsic safety and fieldbus communications․
  • HART Communication Foundation: Specifications for HART protocol implementation․
  • Fieldbus Foundation: Guidelines for Foundation Fieldbus integration․

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