Honeywell XNX Quick Start Manual
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Honeywell XNX Quick Start Manual

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Quick Start Guide
XNX Universal Transmitter

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  • Page 1 Quick Start Guide XNX Universal Transmitter...
  • Page 3 Keep assembly tightly closed during operation. Never open the XNX enclosure under power unless the area is known to be non hazardous. » The detector must be earthed/grounded for Intrinsic Safety, electrical safety and to limit »...

  • Page 4: Table Of Contents

    3�3 Modbus ® ����������������������������������������������������������������������������������������������������������������������������������������������� 34 4 Powering the XNX for the First Time �����������������������������������������������35 4�1 XNX Units Configured for EC, mV, and IR (except Searchline Excel) �������������������������������������������������������������������������������������������� 35 4�2 XNX IR Units Configured for Searchline Excel ��������������������36 4�3 Configuring the XNX Universal Transmitter �������������������������38 5 The XNX Front Panel ������������������������������������������������������������������������39...
  • Page 5 (cont’d) 6.1.9 Calibrating the Searchline Excel and Searchpoint Optima Plus ................50 6�2 Functional Gas Testing (Bump Test) �������������������������������������50 8 XNX Catalytic Bead and IR Replacement Sensor Cartridges �������53 9 Warning Messages ���������������������������������������������������������������������������53 10 Fault Messages �������������������������������������������������������������������������������57 11 Informational Messages ����������������������������������������������������������������67 12 Control Drawings ���������������������������������������������������������������������������69...
  • Page 6 XNX Universal Transmitter Quick Start Guide...

  • Page 7: Mounting And Location Of Detectors

    • Unistrut ® With the optional Pipe Mount kit, the XNX can be mounted to pipe of diameter 2 to 6 in (50 to 150mm). A ceiling mount bracket kit (1226A0358) is also available. Integral Mounting Lugs Figure 1.
  • Page 8 Figure 2. XNX Universal Transmitter Mounting Dimensions and Clearances WARNING When the XNX is equipped with the optional Remote Mount Kit, the remote sensor MUST be securely mounted to a fixed position. The Remote Sensor Kit is not intended to be used as a hand-held detector.
  • Page 9 The XNX is configured with 5 cable/conduit entries built into the housing for wiring and mounting sensors. Figure 3 provides the guidelines to proper installation of the XNX. Note While relay wiring can use any available cable/conduit entry in the XNX enclosure, do not use the...

  • Page 10: Wiring The Xnx

    2 Wiring the XNX Personality circuit boards determine the XNX behavior based on the sensor type attached to the XNX interface. The table below defines the three XNX transmitter configurations and the sensors each support. XNX IR Personality XNX EC Personality...

  • Page 11: Distance Considerations For Installation

    Searchpoint Optima Plus and Searchline Excel and 16 to 32 VDC dependent on the limitations of device for the generic 4-20mA input. Loads The use of High Inrush or Inductive loads may affect the performance of the XNX. For best reliability use resistive loads only. 2�2 Distance Considerations for Installation Types of Installations There are three basic types of installation: a single transmitter;...
  • Page 12 180 feet Searchpoint Optima Plus [13 meters] [21 meters] [33 meters] [55 meters] XNX IR with 35 feet 55 feet 90 feet 150 feet Searchline Excel [11 meters] [17 meters] [27 meters] [46 meters] XNX Universal Transmitter Quick Start Guide...
  • Page 13 225 feet Searchpoint Optima Plus [17 meters] [26 meters] [42 meters] [68 meters] XNX IR with 45 feet 70 feet 115 feet 185 feet Searchline Excel [14 meters] [21 meters] [35 meters] [56 meters] XNX Universal Transmitter Quick Start Guide...

  • Page 14: 2�3 Pod Connections

    2�4 4-20mA Output, Common Connections and Power Setting 4-20mA operation; S1 & S2 The XNX Universal Transmitter allows the user to configure the 4-20mA output to Sink, Source or Isolated mode operation via two programming switches on the POD. The table below shows the S1 and S2 setting and corresponding output configuration.
  • Page 15 Controller Signal Current Flow XNX Sink Configuration Figure 6. Sink wiring for XNX Terminate cable screen at the detector or controller, not both. Controller Signal Current Flow XNX Source Configuration Figure 7.

  • Page 16: 2�5 Terminal Block Connections

    The XNX Universal Transmitter power consumption is dependent on the sensor and options for the specific configuration. The input voltage must be maintained at 16 to 32 volts DC for proper operation - sensor dependant. The table below defines the XNX typical and maximum power consumption based on configuration: Configuration...

  • Page 17: 2�6 Ec Personality Wiring

    2�6 EC Personality Wiring WARNING When the XNX is equipped with the optional Remote Mount Kit, the remote sensor MUST be securely mounted to a fixed position. The Remote Sensor Kit is not intended to be used as a hand-held detector.
  • Page 18 Local Sensor Mounted to Transmitter Sensor Retainer Weatherproof Cap Sensor Mounted to Remote Sensor Kit Figure 11. EC Personality Wiring Note: Reference Control Drawing 3000E3157 for install requirements on EC cells and remote mounting. XNX Universal Transmitter Quick Start Guide...

  • Page 19: Xnx Electrochemical (Ec) Sensor Installation

    Acknowledgement of the gas type will be required before proceeding. For more information on setting gas type, see the XNX Technical Manual Section 2.51 Gas Selection. After the sensor is installed and the gas type is confirmed, the Range, alarm levels and other important settings must be set;...
  • Page 20 XNX EC Sensor Remote Mounting Kit The remote sensor mounting kit is used to remotely mount the sensor from the transmitter. To remotely mount the sensor, follow the procedure below. Unscrew the weatherproof cover, loosen the retainer locking screw and unscrew the sensor retainer.

  • Page 21: 2�7 Mv Personality Wiring

    Check the mV Sensor you are installing has compatible threads - 3/4 NPT or M25. Connections from the mV Sensor to the XNX are made via a single pluggable terminal block allowing ease of installation and service. HA recommends an 8” (203mm) service length for wiring be maintained.
  • Page 22 Note The black and red wires from the MPD are not used with the XNX mV Personality Board. Ensure they are properly isolated from live connections. DO NOT CUT. cAutIoN Be certain to dress the wires properly to ensure cabling does not contact switches 1-2 on the back of the POD.
  • Page 23 IS Barrier must S1 S2 be connected to J1 J1 HART Sense Internal Ground Lug Local HART IS Barrier (optional) HART Adaptor Ground Wire from Sensepoint PPM and HT Sensepoint Figure 15. mV Personality Wiring XNX Universal Transmitter Quick Start Guide...
  • Page 24 Mount the remote sensor junction box ensuring enough room below to fit the sensor and weatherproof cover. Attach the conduit to the remote terminal box. In the remote junction box, connect the wires from the XNX to the 3-way terminal block provided in the terminal enclosure. Note The black and red wires from the MPD are not used with the XNX mV Personality Board.

  • Page 25: 2�8 Ir Personality Wiring

    WILL PERMANENTLY DAMAGE the XNX. Both switches must be set in either Source or Sink prior to applying power. Do not adjust switch settings while power is applied to the XNX; permanent damage WILL occur. XNX Universal Transmitter Quick Start Guide...

  • Page 26: Connecting A Searchpoint Optima Plus Or Searchline

    (P/N 1226-0409) onto the Optima to the end of the threads. Thread the Optima body into the XNX until the seal compresses and/ or Optima bottoms out. Reverse until the semi-circular pattern of holes on the front of the weather protection are on the bottom (see below) then tighten the lock nut to the XNX body.
  • Page 27 The system should be grounded at one point only. INStALLAtIoN tIp: Always issue a soft reset after connecting the Optima and XNX for the first time. The soft reset is performed by accessing the XNX calibration menu. XNX Universal Transmitter Quick Start Guide...
  • Page 28 4-20mA Searchline 18-32 VDC HART Searchpoint 13.2W max. XNX Universal Transmitter Quick Start Guide...

  • Page 29: Connecting Generic Ma Device

    IR personality type provides for a Generic mA input under sensor type configuration. The XNX can be used to convert the mA input to be read over HART protocol or optional Modbus and set optional relays (if equipped). Additional configuration of gas type and unit ID for reporting is required (see XNX Technical Manual Section 2.51 Gas Selection).
  • Page 30 See Common Connections Section 2.4 From Searchpoint Optima Plus 5 20mA + Desc. Searchline Excel 6 20mA - Earth Green/Yellow Black White Figure 19. XNX IR Personality Board Terminal Blocks, Jumper Switches and Wiring Guide XNX Universal Transmitter Quick Start Guide...
  • Page 31 S1 S2 J1 HART connected to J1 S3 S4 Terminal Block 2 IR Data To Building Ground Local HART IS Barrier (optional) HART Adaptor Searchline Excel Figure 21. IR Personality Wiring - Searchline Excel XNX Universal Transmitter Quick Start Guide...

  • Page 32: Options

    XNX. An IS barrier inside the XNX allows the ® user to attach an external hand-held interrogator for programming and configuration. The external interface is installed in the lower left cable/conduit entry of the XNX and is intrinsically safe (IS). Intrinsically Safe Barrier...

  • Page 33: 3�2 Relays

    Figure 23. Allowable Cable Lengths for 1 mm (#18 AWG) Shielded Twisted Pair 3�2 Relays The relay option (XNX-Relay) provides 3 form “C” SPCO contacts for alarm and fault indication. TB4 is provided as a connection to a user installed momentary switch to silence alarms remotely.

  • Page 34: 3�3 Modbus

    3�3 Modbus ® Modbus connections to the XNX are made through a pluggable terminal block on ® the Modbus interface circuit board. A loop termination point (SW5) is included on ® the Modbus interface board to provide termination of the Modbus loop.

  • Page 35: Powering The Xnx For The First Time

    4 Powering the XNX for the First Time 4�1 XNX Units Configured for EC, mV, and IR (except Searchline Excel) After mounting and wiring the XNX, the plug in sensor should be fitted (if equipped) and the installation visually and electrically tested as below. WARNING Prior to carrying out any work, ensure local and site procedures are followed.

  • Page 36: 4�2 Xnx Ir Units Configured For Searchline Excel

    Check that the transmitter is wired correctly according to this manual and the associated control equipment manual. Apply power to the XNX which will in turn provide power to the detector. The detector output will be forced to 3mA (default fault/inhibit).
  • Page 37 When the XNX completes boot-up, perform a Soft Reset on the Excel from the Calibration Menu. When the reset is complete, Set Date & Time. Set the Path Length for the application, then align the transmitter and receiver with Align Excel.

  • Page 38: 4�3 Configuring The Xnx Universal Transmitter

    4�3 Configuring the XNX Universal Transmitter The XNX Universal Transmitter can be configured via the front panel by using the menus available in the Configure Menu. For information on accessing and navigating the menus, see Section 5.1 - Controls and Navigation.

  • Page 39: The Xnx Front Panel

    Move Right / Increment Value 5�2 The General Status Screen Figure 29. The General Status Screen The General Status Screen provides a visual indication of the status of the XNX. Warnings, faults, alarm levels and current concentration levels are displayed continuously.
  • Page 40 Concentration Bar, Alarm Setpoints Flash Figure 34. General Status Overrange Detail In addition to the graphic Alarm, Fault and Warning indicators, the LEDs on the front panel will flash in a pattern based on the condition: XNX Universal Transmitter Quick Start Guide...

  • Page 41: 5�3 Entering The Menu Structure

    5�3 Entering the Menu Structure Swiping the magnet over the magnetic switch gives the user access to the XNX to reset faults and/or alarms, display current settings or make adjustments to the device. Note: If the Reset option is set to Lock, users will not have access to reset alarms and faults.

  • Page 42: 5�4 Displaying Transmitter Information

    The Gas Calibration menu is used for Zero and Span calibration as well as functional gas testing (bump test). The Gas Calibration menu is accessed from the main menu screen. Figure 39. Gas Calibration Menu Gas Calibration Calibrate mA Output Bump Test Soft Reset Align Excel XNX Universal Transmitter Quick Start Guide...

  • Page 43: 6�1 Calibration

    Correct operation of each sensor/detector should be confirmed with test gas of known concentration before each use. See Section 7 - XNX Electrochemical Sensor Data for Calibration Gas specifications. 6�1�1 Calibration Procedure...

  • Page 44: Span Calibration

    Figure 46. Span Calibration Failed Once the Zero and Span calibrations are completed successfully, the XNX will exit the calibration procedure. Before returning to the Gas Calibration menu however, the user will be prompted to Exit and turn alarm and fault inhibit off. The user can Exit and leave the XNX in inhibit mode, or do not exit.

  • Page 45: Zero And Span Calibration For Xnx Ec Sensors

    WARNING While XNX is in Inhibit Mode, alarms are silenced. This will prevent an actual gas event from being reported. Inhibit Mode must be reset after testing or maintenance activities. 6�1�2 Zero and Span Calibration for XNX EC Sensors cAutIoN Before initial calibration, allow the detector to stabilize for 30 minutes after applying power.

  • Page 46: Xnx Ec Sensor Operational Life

    When in zero and span calibration mode, the current output from the detector is inhibited (default 3mA) to avoid false alarms. This section describes how to calibrate MPD flammable sensors fitted to the XNX. The calibration adjustments are made on the XNX’s display and gassing is performed at the sensor.
  • Page 47 Follow the procedure in Section 6.1 for both Zero and Span calibrations. Apply the target gas to the sensor. Pass the gas through the flow housing at a rate of between 0.7l/m and 1.0l/m. XNX Universal Transmitter Quick Start Guide...

  • Page 48: Cross Calibration Procedure For Mpd-Cb1

    Ethyl acetate Propane Butanone Ethylene Propan-2-ol Butane Heptane Styrene Butyl acetate Hexane Tetra hydrafuran Butyl acrylate Hydrogen Toluene Cyclohexane Methane Triethylamine Cyclohexanone <1* Methanol Xylene Diethyl ether MIBK Table 1. Star Rating of Gases XNX Universal Transmitter Quick Start Guide...
  • Page 49 Tables 1 to 3 is normally accurate to +20%. EXAMPLE If target gas to be detected is Butane and the calibration gas available is Methane (50% LEL): XNX Universal Transmitter Quick Start Guide...

  • Page 50: Calibrating The 705/705Ht

    If the difference between reading and applied gas concentration is outside the acceptable limits for the application follow the procedures for zeroing and calibrating the detector (see Section 6.1). If reading is still inaccurate replace the sensor. XNX Universal Transmitter Quick Start Guide...
  • Page 51 XNX Universal Transmitter Quick Start Guide...
  • Page 52 W001 W002 W003 XNX Universal Transmitter Quick Start Guide...
  • Page 53 W005 W006 W007 W009 W010 XNX Universal Transmitter Quick Start Guide...
  • Page 54 W011 W012 W013 W014 W015 W016 XNX Universal Transmitter Quick Start Guide...
  • Page 55 W018 W019 W020 W021 W022 XNX Universal Transmitter Quick Start Guide...
  • Page 56 F101 F103 F104 F105 F106 XNX Universal Transmitter Quick Start Guide...
  • Page 57 F107 F108 F109 F110 F111 F112 XNX Universal Transmitter Quick Start Guide...
  • Page 58 F113 F114 F116 F117 F118 F119 XNX Universal Transmitter Quick Start Guide...
  • Page 59 F120 F121 F122 F123 F125 XNX Universal Transmitter Quick Start Guide...
  • Page 60 F126 F127 F128 F130 F133 XNX Universal Transmitter Quick Start Guide...
  • Page 61 F141 F143 F145 F146 F148 XNX Universal Transmitter Quick Start Guide...
  • Page 62 F149 F150 F151 F152 F153 XNX Universal Transmitter Quick Start Guide...
  • Page 63 F154 F155 F156 F157 F158 XNX Universal Transmitter Quick Start Guide...
  • Page 64 F159 F160 F161 XNX Universal Transmitter Quick Start Guide...

  • Page 65: Informational Messages

    I032 Time For Beam Block Fault Changed iBlockFltTime I033 Time For Fault Detection Changed iOtherFltTime I034 Level For Low Signal Fault Changed fLowSignalLevel I035 Invalid Path Length Written fPathLen I036 Path Length Changed fPathLen XNX Universal Transmitter Quick Start Guide...
  • Page 66 Personality Power Up Sensor type I062 Option Power Up Option type I063 Loaded Same Cell I064 Loaded Changed Cell I065 Loaded Changed Gas I066 Option Type Changed I067 Hart Address Changed I068 Hart Mode Changed XNX Universal Transmitter Quick Start Guide...

  • Page 67: Control Drawings

    12 Control Drawings XNX Universal Transmitter Quick Start Guide...
  • Page 68 XNX Universal Transmitter Quick Start Guide...
  • Page 69 XNX Universal Transmitter Quick Start Guide...
  • Page 70 XNX Universal Transmitter Quick Start Guide...

  • Page 71: Xnx Labels

    • SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY. XNX Universal Transmitter for use in Class I, Div. 1 Groups B,C & D [Exia] • FOR SAFETY REASONS THIS EQUIPMENT MUST BE OPERATED AND SERVICED BY QUALIFIED PERSONNEL ONLY. READ AND UNDERSTAND MANUAL PRIOR TO SERVICING Class 1, Zone 1, Groups IIB+H2 Haz Loc.
  • Page 72 The Technical File is maintained at the manufacturer’s location. Hereby declares that the XNX Universal Transmitter for the detection of flammable and Toxic Gasses, Sensors identified and Interface Options conform to the relevant provisions of ATEX Directive 94/9/EC of March 23rd, 1994 and EMC Directive 2004/108/EC.
  • Page 73 Lincolnshire, IL 60069 Tel: +1 847 955 8200 Toll free: +1 800 538 0363 Fax: +1 847 955 8210 detectgas@honeywell.com Asia Pacific Honeywell Analytics Asia Pacific #508, Kolon Science Valley (I) 187-10 Guro-Dong, Guro-Gu Seoul, 152-050 Korea Tel: +82 (0)2 2025 0300 Fax: +82 (0)2 2025 0329 analytics.ap@honeywell.com...

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