Page 1 ● Table of Contents ● Specifications ● Safety and Information ● Control Drawings ● Introduction ● HART Protocol ● Installation and Operation ● Modbus Protocol Technical ● Calibration ● Warranty ● Maintenance ● Index Manual ● Warnings/Faults...
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Page 3: Table Of Contents
Main Menu �� 24 Notes �� 8 Menu Navigation �� 25 Installation and Operation �� 29 Information �� 9 Contacting Honeywell Analytics �� 9 Sensor Mounting and Location �� 30 Revision History �� 9 Mounting the Transmitter �� 30 Introduction �� 10 Wiring the Transmitter ��...
Page 4 XNX Universal Transmitter Table of Contents EC Personality Wiring �� 42 Set mA Sensor Type �� 67 Electrochemical Sensor Installation �� 43 Gas Selection �� 67 EC Sensor Remote Mounting Kit �� 44 Changing the Gas or Units Name �� 69 mV Personality Wiring ��...
Page 5 XNX Universal Transmitter Table of Contents Product Specifications �� 138 Gas Data �� 93 SENSOR DATA �� 140 Range/Alarm Settings�� 94 Operating and Storage Conditions for Performance Tested mA Level Settings �� 94 EC Cartridges �� 140 Fieldbus Settings �� 95 Detectable Gases and Performance ��...
Page 6 XNX Universal Transmitter Table of Contents Control Drawings �� 172 XNX UL/CSA/FM/ATEX/IECEx/INMETRO/RUSSIA �� 173 Remote Sensor Mount �� 177 HART Protocol �� 178 HART Interface �� 179 HART Sink, Source, and Isolated Wiring �� 182 DevComm PC-based HART Interface �� 185 Functions ��...
Page 7: Safety And Information �� 5 Controls And Navigation
XNX Universal Transmitter Safety and Information Safety and Information...
Page 8: Warnings
Honeywell Analytics. Do NOT incinerate sensors as they may emit toxic fumes. • Any work on the interior of the detector must be conducted only by Honeywell- trained personnel • High off-scale readings may indicate an explosive concentration of gas.
Page 9 • Install the junction box according to local codes and manufacturer’s requirements. • Honeywell Analytics recommends bump testing of ClO2, Cl2, HF, and HCl sensors • The enclosures of remotely mounted 705HT sensors contain aluminum. When frequently and in accordance with customer site procedures to ensure proper installed in Zone 1 locations, be careful to avoid ignition hazards due to impact or operation and compliance with the functional safety rating of the installation.
Page 10: Hazardous Location Installation Requirements
When resetting the overrange or alarm, verify the minimum) to maintain the explosion-proof rating. correct operation of the transmitter. Before re-calibrating the transmitter, verify the • Use only the supplied stopping plugs (Honeywell part number 1226-0258) with the absence of gas. XNX Universal Transmitter. •...
Page 11: Information
XNX Universal Transmitter Information Contacting Honeywell Analytics Honeywell Analytics assumes no responsibility for equipment that is not www.honeywellanalytics.com installed and used following the procedures in the Technical Manual. Europe, Middle East, Africa, India Ensure that the appropriate equipment has been installed. If in doubt, Life Safety Distribution GmbH contact Honeywell Analytics.
Page 12: Introduction �� 10 Wiring The Transmitter
XNX Universal Transmitter Introduction XNX Universal Transmitter Technical Manual...
Page 13: Product Description �� 11 General Wiring Considerations
XNX Universal Transmitter Product Description FOUNDATION Fieldbus. See the Communications section for additional information. The Transmitter The transmitter is a comprehensive gas detection system designed to operate in hazardous locations and utilize multiple XNX Universal Transmitter sensor technologies –catalytic bead, electrochemical (EC), or infrared (IR)–...
Page 14: Ma/Hart Output �� 12 Isolation
XNX Universal Transmitter 20 mA/HART Output Additional optional communication interfaces are available: relay communication, Modbus, or FOUNDATION Fieldbus. All XNX Transmitters provide a 20mA Current Loop with HART Each communication option has a dedicated option board. For Communication which can be user configured for Sink, Source additional information, refer to the Options section.
Page 15: Patents
XNX Universal Transmitter Patents Glossary Patents Applicable to the XNX Universal Transmitter Term Description a brief exposure to a gas to verify that a detector is working; Patent bump test Description Application also known as a functional test Number ferrite bead a device that suppresses noise in a circuit 6,123,818 Reflex patent...
Page 16: Product Overview
XNX Universal Transmitter Product Overview CAUTION The transmitter is comprised of these main parts: Caution: The stopping plugs are for use only with the XNX transmitter. Do not use them with any other device. Mounting lugs integral to the enclosure allow easy installation on a flat surface or 2”-6”...
Page 17: Cover
XNX Universal Transmitter Cover The POD (Personality, Options, and Display) includes circuit The transmitter cover is supplied in the identical material boards for the personality module, optional interfaces, and specified for the enclosure. display. Cover The personality module, or circuit board, determines the Tempered Glass Window transmitter behavior based on the sensor type attached to the transmitter (electrochemical cell, catalytic bead sensor, or...
Page 18: Options
XNX Universal Transmitter Options Relays The relay option (XNX-Relay) provides 3 form “C” (SPDT) Local HART normally open/normally closed (NO/NC) contacts for alarm and Available with any sensor technology or personality, an external fault indication. A remote reset input (TB4) is provided to silence access to the HART interface in the transmitter is provided.
Page 19: Modbus �� 17 4-20Ma Output, Common Connections, And Power
XNX Universal Transmitter Modbus Accessories The optional Modbus interface allows the transmitter to connect Refer to the Accessories/Spares section for part numbers. to a bus of devices and transmit data to PLCs or controllers. Pipe Mount Kit (For more information, see the Modbus Protocol Manual). Connections to the transmitter are made through a pluggable The pipe mount kit allows the transmitter to be mounted to pipe terminal block on the Modbus interface circuit board.
Page 20 XNX Universal Transmitter Weatherproof Cover Ceiling Mount Bracket Kit The weatherproof cap protects sensors from harsh weather. The optional ceiling mount bracket kit includes two stainless steel ceiling mount brackets, bolts, and nuts. Remote Gassing Kit Remote Sensor Mounting Kit for EC Sensors The remote gassing kit enables gas The remote sensor mounting kit allows EC sensors to be to be applied remotely for...
Page 21 XNX Universal Transmitter Duct Mount Kit The duct mount kit can be used with the EC sensor to detect O CO, H , and H S gases in ducts. When combined with the MPD Interface Adapter (available separately), the duct mount kit can accommodate the MPD to detect flammable gases in ducts.
Page 22: The Front Panel
XNX Universal Transmitter The Front Panel In some menus where displayed values can be changed, the magnet must be swiped over the switch to cause the numeral The transmitter uses magnetic switches to enable non-intrusive on the display to advance through the available values. Use the operation.
Page 23: The General Status Screen
XNX Universal Transmitter Controls and Navigation Current Concentration Level (Numeric) Status Indicator Command Description Concentration Units Full Scale The Enter/Accept switch is used to access menus, Current Concentration Level ✓ accept changes and to answer “yes” to system (Bar Graph) Alarm 2 Set Point Enter/Accept prompts.
Page 24: Entering The Menu
XNX Universal Transmitter Figure 14. General Status Overrange detail If the fault icon is displayed, a fault condition has been triggered and the display will alternate between the target gas Negative values are not displayed and do not appear on the concentration and the fault code.
Page 25: Displaying Transmitter Information
XNX Universal Transmitter switch resets all alarms and faults and returns to the ✓ When the Passcode screen is displayed, the first passcode digit General Status screen. Use the switch to return to the General ✖ is highlighted. Use the switches to increase or decrease Status screen without resetting the alarms and faults.
Page 26: Main Menu
XNX Universal Transmitter Main Menu Once the proper passcode has been entered, the transmitter displays the Main Menu. Figure 19. General Status Screen with unit information Figure 20. The Main Menu From the Main Menu, a Level 1 user can: •...
Page 27: Menu Navigation
XNX Universal Transmitter Menu Navigation Introduction...
Page 28 XNX Universal Transmitter Fieldbus Settings Fieldbus Settings Event History Increment Next/Previous Event Information Mode Increment Next/Previous Hour Alarm/Fault Status Increment Next/Previous Day Alarm/Fault Increment Next/Previous Alarm Confirm Alarm/Fault Reset Increment Next Previous Fault Reset Alarm/Fault Date & Time Transmitter ID, Serial #, Revision Transmitter Data Transmitter Status Transmitter Status...
Page 29 XNX Universal Transmitter Calibration Mode Test Mode Gas Calibration Inhibit Enter Span Gas Concentration (Oxygen) Enable/Disable Inhibit Enter Span Gas Concentration (Not Oxygen) Force mA Output Bump Test Select Current: 0 to 22 mA mA Output Calibration Accept Adjust 4 mA Output Force Relay Adjust 20 mA Output Select Relay 1...
Page 30 XNX Universal Transmitter Change mA for Warning Change mA for Overrange Change mA for Low Signal Change mA for Blocked Beam Set Calibration Interval Configuration Mode Accept New Sensor Type Select Language Information screen identifying previous sensor and Set Date & Time new sensor Set Date Format Screen displays new type and old type...
Page 31: Installation And Operation
XNX Universal Transmitter Installation and Operation XNX Universal Transmitter Technical Manual...
Page 32: Sensor Mounting And Location
XNX Universal Transmitter Sensor Mounting and Location Mounting the Transmitter WARNING The transmitter can be mounted in a number of ways using the integral mounting tabs. The transmitter can be attached to flat wall surfaces or to Unistrut . With the optional pipe ®...
Page 33 XNX Universal Transmitter WARNING While relay wiring can use any available cable/conduit port in Warning: Any work on the interior of the detector must be conducted only by Honeywell- the enclosure, to avoid electrical trained personnel noise do not use the same...
Page 34 XNX Universal Transmitter Wiring the Transmitter Integral Mounting Lugs The transmitter is available in sensor technologies, or personality options, which support a variety of sensors and applications. Each of the personalities use a dedicated interface board. Pluggable terminal blocks are used for easy connection and service.
Page 35: Loading
XNX Universal Transmitter CAUTION performance of the transmitter. For best reliability use resistive loads only. Caution: Before wiring the transmitter, confirm that the correct personality and communication boards are installed. Isolation Isolate the power and signal-carrying conductors. General Wiring Considerations Circuit Protection For proper operation of the transmitter and sensor technologies, Supply circuits must provide over-current protection.
Page 36: Single Transmitter
XNX Universal Transmitter Types of Installations Advantages: There are three basic types of installation: a single transmitter; multiple transmitters connected to a single power source; and • Maximum distance between power source and transmitters multiple transmitters connected in a “daisy-chain” configuration. •...
Page 37: Power Source Selection
XNX Universal Transmitter NOTE XNX Universal Transmitter Maximum Power Consumption -40°C to +65°C -10°C to +65°C HART over 4-20mA HART HART over 4-20mA HART Note: CSA/FM certification does not cover daisy-chained XNX combustible gas transmitters. with Relay, Mod- Configuration over with Relay, Modbus ®...
Page 38: Single Transmitter Distances
XNX Universal Transmitter Single Transmitter Distances Daisy-Chained Transmitter Distances For installations that have dedicated wiring between the It is difficult to calculate distances for this configuration. There transmitter and the power supply, use the following chart. These are many factors to be considered: distance from control room distances assume stranded wire is used.
Page 39 XNX Universal Transmitter 2. Several transmitters installed in pairs with each pair 3 Transmitters - Distance “d” equally spaced from the next pair and the power source. 18 AWG 16 AWG 14 AWG 12 AWG Configuration These distances assume the paired transmitters are [1.0 mm2] [1.5 mm2] [2.0 mm2]...
Page 40: Pod Connections
XNX Universal Transmitter POD Connections 6 Transmitters - Distance “d” 18 AWG 16 AWG 14 AWG 12 AWG This illustration shows the connections available on of the Configuration [1.0 mm2] [1.5 mm2] [2.0 mm2] [3.5 mm2] terminal blocks for each type of personality board. XNX mV or EC 95 feet 150 feet...
Page 41: Settings
XNX Universal Transmitter 4-20mA Output, Common Connections, and Power Table A Table B Board Type Function Board Type Connection Function Settings EC Personality Source  EC Personality Power, 4-20mA  Power, 4-20mA, WARNING Sink  mV Personality  Personality Sensor 4-20mA Output Power, 4-20mA,...
Page 42 XNX Universal Transmitter box in multi-node systems when used with the supplied terminal Terminate cable screen at the detector or controller, not both� Controller jumpers. These jumpers enable an electrical connection without connecting to the Personality Board. Install them between pins 1 and 2 and between pins 3 and 4 to support multi-node wiring.
Page 43: Terminal Block Connections
XNX Universal Transmitter Terminal Block Connections NOTE Connections to the transmitter are made via pluggable terminal blocks secured to the back of the POD. The terminal blocks are Note: FOUNDATION Fieldbus XNX transmitters require a separate power source and keyed and polarized. A color coded label assists in wiring when cannot be powered via the bus.
Page 44: Ec Personality Wiring
XNX Universal Transmitter EC Personality Wiring CAUTION Terminal Block Jumper Caution: Do not force the POD into the enclosure. Doing so may result in damage to the wiring or the POD or may alter the switch settings. If resistance is felt, wires may be preventing the POD from being properly positioned.
Page 45: Electrochemical Sensor Installation
XNX Universal Transmitter Electrochemical Sensor Installation Optional Local HART IS Barrier must be connected to J1 CAUTION S1 S2 J1 HART Caution: A missing oxygen cell will result in 0% V/V O2 gas concentration, thus J2 EC Barrier triggering alarm events. In this situation, check the connection of the EC cell to the EC IS Barrier must be connected to J2 sensor connector board.
Page 46: Ec Sensor Remote Mounting Kit
XNX Universal Transmitter EC Sensor Remote Mounting Kit The remote sensor mounting kit is used to mount the EC sensor away from the transmitter. To mount the sensor remotely, follow this procedure: 1. Unscrew the weatherproof cover, loosen the retainer locking screw and unscrew the sensor retainer.
Page 47 XNX Universal Transmitter 8. Attach the cable to the remote terminal box via the gland provided. 9. Make the connections as shown in the Installing a remote sensor mounting kit illustration on the next page. 10. Fit the Terminal box lid. Connections 11.
Page 48 Ref 1-9 Connections from the mV sensor to the transmitter are made TB-1 via a single pluggable terminal block. Honeywell Analytics recommends that an 8” (20 cm) service length for wiring be XNX mV TB-1 maintained. The wire colors for the connections for each sensor type are shown in the table on this page.
Page 49: Mv Personality Wiring
XNX Universal Transmitter mV Remote Sensor Mounting The sensor can be mounted remotely from the transmitter; the Optional Local HART IS Barrier must installation will vary by installed location, sensor and thread type S1 S2 J1 HART be connected to J1 used.
Page 50 MPD configurations, the 3 wires connecting the pluggable Remote terminal block and the remote MPD must be routed Sensor through the supplied ferrite bead (Honeywell Analytics part no. 0060-1051, supplied in the accessory kit) as shown in Figure Figure 46. Ferrite bead wiring 6.
Page 51: Ir Personality Wiring
XNX Universal Transmitter NOTE NOTE Note: Environmental conditions that compromise the IP66 protection provided by Note: The black and red wires from the MPD are not used with the mV personality the weatherproof cover will extend published response times. Safety protocols board.
Page 52: Searchpoint Optima Plus/Searchline Excel Connections
XNX Universal Transmitter The transmitter provides a 4-20mA output reflecting the input The Searchpoint Optima Plus or Searchline Excel can be received. It also offers diagnostic information or data via HART supplied in either Sink or Source mode operation and is typically or any of the additional communication options offered.
Page 53 Black Earth Green/Yellow Sig - 20mA White Figure 48. XNX mA input source configuration Note: Honeywell Aanalytics recommends that Excel or Optima and the transmitter be wired to building ground. Ground the system at only one point. Installation and Operation...
Page 54 XNX Universal Transmitter Optional Local HART Optional Local HART IS Barrier must be S1 S2 J1 HART connected to J1 S1 S2 J1 HART IS Barrier must be connected to J1 S3 S4 Terminal Block 2 IR Data S3 S4 Terminal Block 2 IR Data Isolation kit is not...
Page 55: Installation
Attaching the Searchpoint Optima Plus to the Transmitter Searchline Excel/Searchpoint Optima Plus Remote Installation For M25 entries, insert the seal (Honeywell part number Junction boxes are available for the Searchline Excel and 1226-0410) into the proper cable/conduit opening then thread...
Page 56: Searchpoint Optima Plus/Searchline Excel Wiring
4. Do not install 120 ohm terminating resistors. These resistors are not required due to low data rates. 5. Honeywell Analytics recommends that Searchline Excel sensors or Searchpoint Optima Plus detectors and the transmitter be wired to building ground. Ground the system at only one point.
Page 57 XNX Universal Transmitter Pair 1: Unit Ground and IR Sense (Cable Shield Grounded ONE END ONLY) Pair 3: IR +ve and IR -ve Pair 2: RS485+ and RS485- (Cable Shield Grounded ONE END ONLY) (Cable Shield Grounded ONE END ONLY) Twisted Shielded Pair 18 AWG LOCAL...
Page 58: Options �� 56 Path Length
XNX Universal Transmitter Options HART devices can operate in point-to-point or multidrop configurations. Local HART Interface CAUTION Available with any sensor technology or option, this option provides an external access to the HART interface in Caution: Device address changes must be performed only by qualified service the transmitter.
Page 59: Multidrop Mode
XNX Universal Transmitter Multidrop Mode the recommended wiring practice. Unshielded cables may be used for short distances if ambient noise and cross-talk will not The multidrop mode of operation requires only a single pair of affect communication. wires and, if applicable, safety barriers and an auxiliary power supply for up to 8 field devices (see the illustration below).
Page 60: Cable Length
2,820 ft special states are indicated by the fault relay. (2,380 m) (1,755 m) (1,105 m) (860 m) Honeywell Analytics recommends that the fault relay be used in all 7,600 ft 5,620 ft 3,540 ft 2,740 ft (2,317 m) (1,713 m)
Page 61: Modbus �� 59 Test Menu
XNX Universal Transmitter normally energized indicating proper operation. In the event of Modbus power failure or fault, the C-NO connection will open. The optional Modbus interface allows all transmitter local user interface functions and parameter settings to be transmitted. Relay Modbus is a master-slave protocol.
Page 62: Foundation Fieldbus
XNX Universal Transmitter Modbus connections to the transmitter are made through FOUNDATION Fieldbus a pluggable terminal block on the Modbus interface circuit ground cable S5 Sim Mode board. Modbus RTU protocol uses ASCII/Hex protocols for to internal TB-3 Modbus communication. See the Terminal block legend for the terminal ground lug...
Page 63: Powering The Transmitter The First Time
XNX Universal Transmitter Powering the Transmitter the First Time NOTE Detectors Configured for EC/mV/IR (except Searchline Excel) Note: Before replacing the cover on the transmitter housing, coat the threads with After mounting, wiring the transmitter, wiring the specific mV or IR anti-seize compound to prevent corrosion.
Page 64: Ir Units Configured For Searchline Excel
See the Searchline Excel 3. The sensor output will be forced to 3 mA (default warning). Technical Manual (Honeywell part number 2104M0506) for calibration information. 4. The transmitter will enter a boot-up routine, displaying the initialization screen.
Page 65: Remote Calibration Of Mpd Sensors
PPM, %VOL or %LEL The Product Specifications section except using the weather Display Units (dependent on personality and sensor choice) guard (Honeywell part number 0200-A-1640) instead of the Inhibit: 2.0 mA regular flow housing (Honeywell part number 1226A0411). Warning: 3.0 mA...
Page 66: Configure Menu
XNX Universal Transmitter Configure Menu Select Language Functions in the Configure Menu and the security levels required Available languages for the transmitter are English, Italian, to change them are explained in this table. French, German, Spanish, Russian, Mandarin, and Portuguese. Security Security Symbol...
Page 67: Set Date And Time
XNX Universal Transmitter Set Date and Time Figure 68. Setting the Date screen Use the switches to decrease or increase the values until Figure 65. Set Date & Time menu the desired value appears. Select to set the value and move to ✓...
Page 68: Set Mv Sensor Type
XNX Universal Transmitter Set mV Sensor Type Figure 71. Accept Time-Date Changes screen Figure 73. Set mV Sensor Type screen Set mV Sensor Type sets the identity of the type of mV sensor When the new settings have been saved, the “Settings attached to the transmitter.
Page 69: Set Ma Sensor Type
XNX Universal Transmitter selection, retain the previously selected sensor, and return to the previous menu. NOTE Note: This configuration option is not available for XNX transmitters with EC sensors. Figure 74. Current configured mV sensor and mV Available Sensor list The first screen displays the currently configured sensor.
Page 70 XNX Universal Transmitter Figure 79. Select New Target Gas screens NOTE Note: The gas selections available will vary with different types of sensors. Gases listed with a “-2” suffix are compliant with 60079-20-1 LEL levels. WARNING Warning: When selecting a new target gas for units with a Searchpoint Optima Plus, the sensor must be recalibrated.
Page 71: Changing The Gas Or Units Name
XNX Universal Transmitter illustrations). The units name can be up to 5 characters long. Changing the Gas or Units Name Gas Selections and Alarm Limits Based on mV Sensor If “Other mA Sensor” has been selected as the sensor type, the Type existing gas and units can be renamed.
Page 72 XNX Universal Transmitter MPD-CB1 (100% LEL) Lower Alarm Limit (% LEL) Upper Alarm Limit (% LEL) % Volume Reference 705-STD (100% LEL) Lower Alarm Limit (% LEL) Upper Alarm Limit (% LEL) % Volume Reference Installation and Operation...
Page 73 XNX Universal Transmitter 705-HT (100% LEL) Lower Alarm Limit (% LEL) Upper Alarm Limit (% LEL) % Volume Reference 705-HT (20% LEL), SP-HT (20% LEL) Hydrogen Methane-1 Methane-2 Lower Alarm Limit (% LEL) Upper Alarm Limit (% LEL) % Volume Reference Installation and Operation...
Page 74 XNX Universal Transmitter SP-STD (100% LEL) Lower Alarm Limit (% LEL) Upper Alarm Limit (% LEL) % Volume Reference SP-HT (100% LEL) Lower Alarm Limit (% LEL) Upper Alarm Limit (% LEL) % Volume Reference Installation and Operation...
Page 75 XNX Universal Transmitter SP-PPM (10% LEL) SP-HT-NH3 Hydrogen Methane-1 Methane-2 Ammonia Lower Alarm Lower Alarm 3000 ppm Limit (% LEL) Limit (% LEL) Upper Alarm Upper Alarm 30000 ppm Limit (% LEL) Limit (% LEL) % Volume % Volume Reference Reference SP-PPM Hydrogen...
Page 76: Range And Alarms
XNX Universal Transmitter When the Range option is highlighted, use the switches to Range and Alarms decrease or increase the value. Use to accept the displayed ✓ WARNING value and move to the next field. When all fields have been updated, use the switch to highlight ü...
Page 77 XNX Universal Transmitter When complete, the display will return to the main Range & Alarm screen. When all settings have been made, use move to the on the display to Accept Settings. ✓ Figure 85. Alarm Direction screen The icons next to the bell images indicate whether the alarm has been triggered by rising ( ) or falling ( ) gas concentrations.
Page 78 XNX Universal Transmitter Set Temperature Warning Set Deadband WARNING The Set Deadband menu allows enabling and disabling of the reading deadband. The deadband is a range of value where the gas reading is displayed as zero. Warning: There is a potential loss of sensitivity when the sensor is exposed to the extreme low and/or high temperature.
Page 79: Latching/Non-Latching Alarms
XNX Universal Transmitter Selecting the Numeric Format Latching/Non-Latching Alarms If “Other mA Sensor” has been selected as the sensor type, the WARNING transmitter’s output can be displayed in one of three numeric formats. From the Ranges & Alarms menu, select the switch to ✓...
Page 80: Set Units
XNX Universal Transmitter Set Units The Set Units menu allows the units of measurement displayed on the transmitter main menu to be set. This option also sets the units transmitted via HART, Modbus, or FOUNDATION Fieldbus sensors attached to the transmitter, reporting concentrations in PPM or %VOL (except oxygen).
Page 81: Ma Levels
XNX Universal Transmitter mA Levels Output (mA) Signal Default This option allows the user to select mA output levels for inhibit, fault, and overrange. Beam block and low signal apply to Inhibit Searchline (see the table in the next column). W Warning Overrange 21.0...
Page 82: Accept New Sensor Type
Figure 106. Saving New Interval and New Interval Accepted screens Although the calibration interval can be set to any value be- tween 0 and 360 days, Honeywell Analytics recommends that the Accept New Sensor Type interval for electrochemical and catalytic sensors be set to 180...
Page 83: Beam Block Options
XNX Universal Transmitter When the beam is blocked longer than the value set in Time to Beam Block Options Beam Block, a fault is generated by the transmitter. The Beam Block Options menu is available only if the transmitter Set Time to Fault sets the minimum time the beam is blocked is connected to a Searchline Excel receiver.
Page 84 XNX Universal Transmitter Use the switches to move to the desired Low Signal Path Length Percentage and use to select it. Use the switches to ✓ The distance (in meters) between the transmitter and the decrease or increase the value until the desired value appears. receiver is set through the Path Length menu.
Page 85: Unit Id
XNX Universal Transmitter Once the values for Path Length have been set, use the switch NOTE to highlight the ‘ü’ on the right side of the display. Use the ✓ accept the changes. Note: The XNX Unit ID is not the same as the HART tag in XNX applications using HART protocol.
Page 86: Relay Options
XNX Universal Transmitter Clear ID This option clears the current set Unit ID. Figure 129. Relay Options screen XNX relays can be set to Energized or De-energized. The default is De-energized. The two states for each relay are represented by Figure 126.
Page 87: Fieldbus Options
XNX Universal Transmitter Fieldbus Options The Fieldbus Options menu allows configuration of the HART address or the optional Modbus fieldbus address and baud rate. Figure 134. HART Address and Address Value screens Use the switches to move to the HART option and use ✓...
Page 88: Configure Security
XNX Universal Transmitter Figure 137. Modbus Options screen Figure 140. Accept Settings and Fieldbus Address Settings Accepted screens From the Set Fieldbus Address screen, select . To set the Configure Security ✓ Fieldbus address, use the switches to move to the desired Configure Security is used to set or reset the level 1 and level 2 position and use to select it.
Page 89: Verifying The Configuration
XNX Universal Transmitter Verifying the Configuration Level 1 and Level 2 Passcodes Level 1 and 2 passcode screens give the administrator the ability Test Menu to assign new passcodes for either or both access levels. The test menu icons are shown in this table: From the Configure Security Screen, use the switches to Symbol...
Page 90 XNX Universal Transmitter Figure 149. Inhibit Status screen Figure 146. Inhibit menu When the transmitter is in Inhibit mode, the General Status Use the switches to inhibit alarms by selecting Inhibit On display will display the inhibit icon with the .
Page 91: Force Relays
XNX Universal Transmitter Figure 151. New mA Output screen Figure 153. Relay State screen Once the new value is input, use the switches to move to Once the new value is input, use the switches to move to the ‘ü’ and use the magnetic switch on the front panel to the ‘ü’...
Page 92 XNX Universal Transmitter This confirmation screen will appear. Figure 156. Confirmation screen Figure 160. Alarm/Fault Reset screen Selecting will simulate the alarm from the transmitter. If the ✓ ✖ selected, the simulation will be aborted. Select to reset the alarms, faults, or warnings generated by ✓...
Page 93: Information Menu
XNX Universal Transmitter The ‘ü’ will be highlighted. Select to reset all faults and alarms Information Menu ✓ generated by the transmitter then return to the Alarm/Fault The Information Menu Displays the current status information for Status screen. Select the switch to return to the Alarm/Fault ✖...
Page 94: Transmitter Status
XNX Universal Transmitter including temperature, 4-20 mA output value, and supply voltage. Figure 166. Transmitter Software, 4-20 Monitor and Option Version screens Transmitter Data is also used to update the configuration of the transmitter when an option board is added or changed. To add Figure 169.
Page 95: Sensor Status
XNX Universal Transmitter Sensor Status Figure 172. Sensor Status screen Sensor Status displays the temperature of the sensor attached to the transmitter. When equipped with an EC or mV sensor, sensor life is also displayed. Figure 173. Sensor Temperature screen Gas Data Figure 174.
Page 96: Range/Alarm Settings
XNX Universal Transmitter Range/Alarm Settings Figure 176. Range/Alarm Settings screen Range/Alarm Settings displays the currently configured alarm information. Figure 177. Alarm Display Rang screen mA Level Settings Figure 178. mA Level Settings screen The mA Level Settings section shows the current values for mA output for Inhibit, Warning, and Overrange output. Figure 179.
Page 97: Fieldbus Settings �� 95 Ec Cartridges
XNX Universal Transmitter Fieldbus Settings Figure 180. Fieldbus Settings screen Fieldbus Settings displays the current configuration of both HART and Modbus. To change the settings see Fieldbus Options. HART displays the current HART address assigned to the transmitter. Figure 181. HART Configuration Settings screens Modbus displays the current address and communication data rate assigned to the transmitter.
Page 98 XNX Universal Transmitter Figure 183. Relay Data screen Figure 184. Relay State screens Relay Data displays the current setting of the optional relays on the transmitter. To change the relay settings, see Relay Options. Installation and Operation...
Page 99: Event History �� 97 Ec Sensor Performance Data, Factory Mutual Verified
XNX Universal Transmitter Event History The Event History screen lists all events that are activated by the transmitter’s settings. Five types of events are recorded: reset messages, alarm messages, warning messages, fault messages, and informational messages. The events are listed in chronological order beginning with the latest.
Page 100 XNX Universal Transmitter NOTE Note: The leading zeros of faults and warnings are not displayed in the event list; i.e., Fault 011 is displayed as Fault 11. Figure 185. Event History screen Figure 186. Chronological Event list Figure 187. Chronological Event list by hour Figure 188.
Page 101 XNX Universal Transmitter Figure 189. Chronological Alarm List Figure 190. Chronological Fault list Installation and Operation...
Page 102: Calibration
XNX Universal Transmitter Calibration XNX Universal Transmitter Technical Manual...
Page 103: Gas Calibration Menu�� 101 Other Ec Sensors
WARNING ✓ Figure 191. Gas Calibration Menu Warning: Honeywell recommends periodic bump tests (every 30 days or in accordance with customer site procedures) to the sensor to insure proper operation and compliance with the functional For calibrating sticky gases (Cl...
Page 104: Searchpoint Optima �� 102 Notes (See Table On Previous Page)
If no residual gas is present, background 2mA) to avoid false alarms. air can be used to perform the zero calibration. Contact a Honeywell Analytics representative for details about suitable calibration kits. To For sticky gases (HCI, HF, CI...
Page 105 XNX Universal Transmitter 3. If the zero calibration is successful, the transmitter will display the Zero Passed screen. Figure 193. Gas Calibration Menu NOTE Figure 196. Zero Calibration Passed Span Calibration Note: The Gas Calibration menu is for both zero calibration and span calibration. If a span calibration is not required, select the to skip the span ✖...
Page 106 XNX Universal Transmitter 6. Apply the span gas. As the sensor detects the gas and the Once the zero gas and span calibrations are completed successfully, concentration increases, the values displayed will reflect the the user will be prompted to: changing concentration.
Page 107: Using The Calibration Cup �� 105 Ec Sensor Cross-Sensitivity
XNX Universal Transmitter Using the Calibration Cup Zero and Span Calibration of EC Sensors CAUTION Refer to Figure 202 to attach the calibration cup: 1. Snap the calibration cup into the weather protector. The two Caution: Before initial calibration, allow the sensor to stabilize for 30 minutes after applying power. protrusions on the cup fit into recesses in the weather protector.
Page 108 The calibration is performed using 2 ppm (nominal) chlorine (Cl2). If the sensor is not fitted to the transportation board or a powered Honeywell Analytics strongly recommends that a suitable Cl2 detector, its bias will decay and the sensor will take up to 24 hours generator be used for this operation.
Page 109 Note that this does not affect the span Complete calibration and configuration information can be found sensitivity of the instrument. in the Searchpoint Optima Plus Operating Instructions (Honeywell part number 2108M0905). If properly installed and maintained, the Ozone Searchpoint Optima Plus sensor will not require routine calibration.
Page 110 Figure 204. Gas Calibration menu ✓ and move to the next digit. Use the calibration cover (Honeywell part number 2108B0272) to perform a span calibration at a flow regulator of 1 LPM. (If a span calibration is not required, select ✖...
Page 111 XNX Universal Transmitter calibration. 5. Continue until all three digits have been entered. Select to exit Span Calibration and return to main Calibrate screen. ✖ If Span Calibration is exited, the previous calibration values will be used. Select to return to the Span Concentration screen. ✓...
Page 112: Zero And Span Calibration For Mpd Sensors
3. Connect the flow housing (using either gas pipe) to the The following equipment is required: regulated cylinder containing a known concentration of the • Flow housing (Honeywell part number 1226A0411) target gas at approximately the sensor alarm point, e.g., 50% • Test gas LEL methane in air.
Page 113 XNX Universal Transmitter Cross-calibration Procedure for MPD-CB1 4. Follow the procedure in the Zero and Span Calibration for EC Sensors, mV Sensors, and Searchpoint Optima section for both zero and span calibrations. CAUTION 5. Apply the target gas to the sensor. Pass the gas through the flow housing at a rate of 300-700 ml/min.
Page 114 XNX Universal Transmitter 1. Obtain the star rating for both the test gas and the gas to be Sensor Sensor used to detect detected from the Gas Star Ratings table on the previous page. calibrated to detect 2. Set the gas selection to the star rating which is the same star 1.00 1.24 1.52 1.89 2.37 2.98 3.78 4.83 rating of the gas being detected.
Page 115: Ec Sensor Operational Life
WARNING Note: Calibrate the sensor at the approximate alarm levels to allow for non-linearity of the sensors Warning: Honeywell Analytics recommends bump testing of ClO 2 , Cl 2 , HF, HCl, HCN, F and O at gas concentrations above 80% LEL.
Page 116: Calibrate Ma Output �� 114 Types
XNX Universal Transmitter Calibrate mA Output Peak Reading Use Calibrate mA Output to adjust the milliamp output to provide Full Scale the correct output levels at peripheral devices connected to the Current Sensor Reading transmitter. Alarm Levels Figure 216. Bump Test Screen 2.
Page 117: Align Excel (Searchline Excel)
Figure 221. Align Excel Menu For detailed information on aligning the Searchline Excel, see Figure 224. Soft Reset Sensor Screen the Searchline Excel Technical Manual (Honeywell part number 2104M0506). Signal Strength Alignment Bargraph Reference Value 1.00 Signal Strength Target...
Page 118: Maintenance
XNX Universal Transmitter Maintenance XNX Universal Transmitter Technical Manual...
Page 119: Mpd Sensor Cartridge Replacement
Alternatively, sensors may be securely packaged, clearly marked for with the alignment slot, then press the sensor cartridge environmental disposal, and returned to Honeywell Analytics. Do not incinerate sensors as firmly to seat it into the body. they may emit toxic fumes.
Page 120 XNX Universal Transmitter EC Sensor Cartridge and Cell Replacement CAUTION Caution: For toxic ells, remove the shorting clip from the bottom of the cell prior to installation. No shorting clip is provided with oxygen cells.. Figure 226. Sensor screens during warmup 9.
Page 121 XNX Universal Transmitter Replacing with a Different Sensor Type When replacing an EC cartridge with one of a different target gas, proceed as described in the previous section. Figure 228. Sensor screens during warmup Note that the XNX Transmitter will display the Fault F151 screen and the message “G:TBV:xxx”, where “xxx”...
Page 122: Warnings And Faults
XNX Universal Transmitter Warnings and Faults XNX Universal Transmitter Technical Manual...
Page 123: Warning Messages
XNX Universal Transmitter Warning Messages Applicable Frequency of Diag- Warning Description Latching / Non-Latching Event History Data Action For Resolution Sensors nostic 24 VDC XNX supply Check wire of 24V power supply to XNX as well as power supply opera- ®...
Page 124 Reset “date and time” in Excel, re-cycle Excel power and confirm “date W014 Time Clock Excel Non-latching warning code diagnostic con- and time.” If not retained, remove and return to Honeywell for repair. issue (Note 4) trolled by sensor Warnings/Faults...
Page 125 XNX polls sensor every 2 seconds, Sensor fault or Sensor Inter- Optima, Latching and Non- diagnostic fre- warning code Remove and return to Honeywell for repair. nal Failure Excel latching quency controlled (Note 4) by sensor W015 XNX polls sensor...
Page 126 XNX Universal Transmitter Applicable Frequency of Diag- Warning Description Latching / Non-Latching Event History Data Action For Resolution Sensors nostic XNX polls sensor every 2 seconds, Sensor fault or Check location for external interference or obstructions in the IR path. Low Optical W023 Excel...
Page 127: Notes
XNX Universal Transmitter Notes Note 3: Subtypes Decimal Description CRC error in safety critical RAM block Error reloading safety critical RAM block from EEPROM Error loading data from Personality board Excel signal level has been below the low signal level threshold for at least 24 hours Excel beam blocked Personality board error code >...
Page 128: Fault Messages �� 126 Mpd (Multi Purpose Detector)
At power up and F107 ure (RAM, ROM, cept for EEPROM Note 3 Contact Honeywell Analytics’ Service Department. 8 hours EEPROM, Opcode) error Check wiring of mA output from XNX. Check that switches S1 and S2 are XNX mA Output mA output error (mea- set correctly.
Page 129 Sensor fault or warn- Reset “date and time” in Excel, recycle Excel power, and confirm “date F118 Excel Non-latching Clock issue diagnostic con- ing code (Note 4) and time. If not retained, remove and return to Honeywell for repair. trolled by sensor Warnings/Faults...
Page 130 Excel transmitter. Wrong Cartridge, At power up and F121 error loading sen- Non-latching when cartridge is Contact Honeywell Analytics’ Service Department. sor parameters changed XNX polls sensor every 2 seconds, General Diagnos- Optima, Sensor fault or warn- Check sensor connections, check sensor operation, fit replacement sen-...
Page 131 Information->Transmitter Data as described in the manual. 2=Modbus , 3=Relay ® F133 Not used Stabilization Warm up time (sec- Cycle power, contact Honeywell Analytics’ Service Department if prob- F143 Latching 2 seconds Timeout onds x100) lem persists. Dependent on...
Page 132 For ECC: Perform Accept New Sensor function, if problem persists Sensor Module 1=ECC, 2=mV, F151 Non-latching 2 seconds contact Honeywell Analytics’ Service Department. For others, contact Type Changed 3=Excel, 4=Optima, Honeywell Analytics’ Service Department. 5=Generic mA Only at powerup Option module ID:...
Page 133 S3 and S4 are set correctly. Error reloading F162 safety critical RAM Non-latching 2 seconds Note 3 Contact Honeywell Analytics’ Service Department. block Interrupt integrity F163 Non-latching Main loop Note 3 XNX will reset if more than 600,000 successive errors occur.
Page 134 XNX Universal Transmitter Appli- Latching / Non- Frequency of Fault Description cable Event History Data Action For Resolution Latching Diagnostic Sensors DAC: Digital to Analog Converter (4-20 mA output) ADC: Analog to Digital Converter (4-20 mA internal feedback) 0 OK 1 DAC 4 mA point is too low Indicates that 4-20 mA calibration failed and discarded.
Page 135: Notes
XNX Universal Transmitter Notes Note 3: Note 2: Subtypes Decimal Description CRC error in safety critical RAM block Spi Event Bits Error reloading safety critical RAM block from EEPROM Decimal Description Error loading data from Personality board SPI1 Starting TX Excel signal level has been below the low signal level SPI1 transmitting threshold for at least 24 hours...
Page 136 XNX Universal Transmitter Note 4: Note 6: Optima and Excel fault and warning codes are displayed in the Event History data field. Relay Option Board Error Status Decimal Description Didn't receive STX or ETX Note 5: Received undefined command Exceeded maximum data bytes Subtypes Decimal Description...
Page 137: Informational Messages �� 135 Ec Declaration Of Conformity
XNX Universal Transmitter Informational Messages Number Description Contents of Data Field Number Description Contents of Data Field Alarm Relays Configured Normally De- I027 Energized. I001 Unused I028 Fieldbus Address Changed New address (e.g. 15) I002 Force Relay Mode Started Bitpattern for relays. (E.G. 7.0 ==All) I029 Fieldbus Speed Changed New speed (e.g.
Page 138 XNX Universal Transmitter Number Description Contents of Data Field I053 Date Format Changed iDateFormat I054 Sensor Boots I055 Unused I056 Sensor RTC Adjusted Error in seconds or +/-999 if large I057 Fault Set Latching I058 Fault Set Non-Latching I059 LCD Heater On I060 LCD Heater Off I061...
Page 139: Specifications
XNX Universal Transmitter Specifications XNX Universal Transmitter Technical Manual...
Page 140: Product Specifications
XNX Universal Transmitter Product Specifications Electrical Integral Mounting Lugs for Wall- or Optional Pipe-Mount, Optional Wall/ Enclosure ® Ceiling Bracket EC/mV: 16V to 32V (24V nominal) ** Startup/Normal values ** Operating Voltage User Interface IR: 18V to 32V (24V nominal) ** Startup/Normal values ** Standard Custom Backlit LCD, magnetic wand operation of local user interface Configuration...
Page 141 XNX Universal Transmitter Hazardous Area Approvals Communication Options (See Certifications by Part Number Series for other [pending] approvals) Type: 3 form “C” SPCO contacts for alarm and fault indication. XNX-UT**-***** UL and CSA Listed (see notes below) Rating: 250 VAC, 5A/24 VDC, 5A (2 Alarm, 1 Fault) Relays Class I, Div.
Page 142: Sensor Data
XNX Universal Transmitter SENSOR DATA Operating and Storage Conditions for Performance Tested EC Cartridges Storage Conditions* Cartridge Operating Pres- Operating Air Warm-up Time Part Number sure Speed (minimum) Temperature Pressure Humidity Time** XNXXSO1SS Oxygen 80 kPa ~ 120 kPa 0 ~ 6 m/sec 60 sec.
Page 143: Detectable Gases And Performance
XNX Universal Transmitter Detectable Gases and Performance Gas detection performance is dependent upon temperature and humidity. The data in this table is based on 68°F (20°C) and 50% relative humidity. Response times are longer when operating in colder temperatures. Operating Temperature Selectable Full Default Selectable Cal...
Page 144 Extended temperature range for XNX EC sensors is -40°C ot -20°C. • Response times may increase at lower temperatures. • FM performance verification is limited to the requirements of the standards identified in Table 6.3 for each cartridge. • Contact Honeywell Analytics for additional data or details. Specifications...
Page 145: Ec Sensor Performance Data, Dekra Exam Verified
For example, a 10KPa instantaneous positive pressure step change may cause an overscale alarm condition for a period of about 12 seconds. • Response times may increase at lower temperatures. • Contact Honeywell Analytics for any additional data or details. Specifications...
Page 146 XNX Universal Transmitter Other EC Sensors Selectable Full Typical Operating Temperature Operating Humidity EC Sensor Scale Range Range Lower Lower Selectable Default Response Response Accuracy Cartridge Default Zero Expected Accuracy 1 (Display and Incre- Alarm Detection Cal Gas Time T50 Time T90 @ Lowest Part Number...
Page 147: Zero And Span Calibration For Ec/Mv Sensors And Footnotes (See Table On Previous Page)
1. Accuracy of reading at default Alarm 1 concentration (typically 10%FS or defined minimum alarm level setting, whichever greater) when operated at default full scale. 2. System conditioning may be required to achieve stated results. Contact Honeywell Analytics for details.
Page 148 XNX Universal Transmitter EC Sensor Cross-sensitivity Gas type Part Number Gas Type Applied Concentration Unit Reading Unit XNXXS01SS %vol (change O Carbon Dioxide %vol XNXXSO1FM reading) per %vol CO Carbon monoxide 2000 Hydrogen 20000 Chlorine Nitrogen dioxide Propan-2-ol Methanol XNXXSR1SS ppm HCl Hydrogen fluoride Hydrogen suflfide...
Page 149 XNX Universal Transmitter Gas type Part Number Gas Type Applied Concentration Unit Reading Unit Ammonia ppm H Carbon Monoxide <2 ppm H Carbon Dioxide 5000 ppm H Chlorine ppm H Ethylene ppm H XNXXSH1SS XNXXSH1FM Hydrogen ppm H Hydrogen Sulfide ppm H Nitrogen Monoxide ppm H...
Page 150 XNX Universal Transmitter Gas type Part Number Gas Type Applied Concentration Unit Reading Unit Acetone 1000 ppm CO Acetylene ppm CO Ammonia ppm CO Carbon Monoxide ppm CO Chlorine ppm CO Ethanol 2000 ppm CO XNXXSC1SS Ethylene ppm CO XNXXSC1FM Hydrogen ppm CO Hydrogen Sulfide...
Page 151 XNX Universal Transmitter Gas type Part Number Gas Type Applied Concentration Unit Reading Unit Alcohols 1000 ppm NH Carbon Monoxide ppm NH Chlorine ppm NH XNXXSA2SS Nitrogen Dioxide ppm NH (High Range) Sulfur Dioxide ppm NH Hydrogen 3000 ppm NH Hydrogen Sulfide ppm NH Carbon Dioxide...
Page 152 XNX Universal Transmitter Gas type Part Number Gas Type Applied Concentration Unit Reading Unit Carbon Monoxide < 60 ppm H Hydrogen Sulfide <3 ppm H Sulfur Dioxide ppm H Nitrogen Monoxide »10 ppm H XNXXSG1SS Nitrogen Dioxide ppm H Chlorine ppm H Hydrogen Cyanide »3...
Page 153 XNX Universal Transmitter Gas type Part Number Gas Type Applied Concentration Unit Reading Unit Carbon Monoxide 2000 ppm HF Hydrogen 20000 ppm HF Chlorine ppm HF Nitrogen Dioxide 0.65 ppm HF Iso-Propanol ppm HF Methanol ppm HF XNXXSF1SS Hydrogen Fluoride ppm HF Hydrogen Sulfide -3.6...
Page 154 XNX Universal Transmitter Gas Type Part Number Gas Type Applied Concentration Unit Reading Unit Carbon Monoxide <15 ppm HCN ppm HCN Hydrogen Sulfide XNXXSY1SS Sulphur Dioxide 40 < x$ < 75 ppm HCN Nitric Oxide -28 < x$ < 0 ppm HCN -20 <...
Page 155: Notes
XNX Universal Transmitter Notes • The figures of cross-sensitivity are typical values and art not to be used as a basis for cross-calibration. • Do not scale cross-sensitivities (they may not be linear). • For some cross-interferents breakthrough may occur if gas is applied a longer time period. •...
Page 156: Mpd Sensor Performance Data
Response times may increase at lower temperatures. • Data represents typical values without optional accessories attached. • System conditioning may be required to achieve stated results. Contact Honeywell Analytics for details. • Performance figures are measured using a sample humidity of 50% RH. •...
Page 157: Notes
XNX Universal Transmitter EN60079-29-1 Performance Approved Gases for mV Sensor Types Verified Gas Selections EN60079-29-1 Sensor Type Reference Hydrogen Methane-2 Propane-2 Butane-2 Star 2 Star 4 Standard Test Gas MPD AMCB1 Other Gases n-nonane Standard Test Gas SP-HT Other Gases n-nonane Max Zero Deviation (see note 1) -7% LEL...
Page 158: Certifications By Part Number Series
XNX Universal Transmitter Certifications by Part Number Series Contact Honeywell Analytics for information about XNX Universal Transmitter approvals not shown in this section. ® XNX Certifications XNX-UT Series XNX Transmitter EC Transmitter IR XNX Transmitter mV Personality Personality Personality Options...
Page 159: Notes
XNX Universal Transmitter Notes Special notes for ISA 60079-29-1:2013 approval: • This approval covers XNX in combination with Searchpoint Optima Plus and MPD catalytic sensors only. • This approval allows direct fitment of the Searchpoint Optima Plus or MPD catalytic sensors to the XNX with a load 250 ohm minimum resistance. This approval does not cover the remote-mounting of the sensor from the XNX.
Page 160 XNX Universal Transmitter XNX Certifications by XNX-AM Series XNX Transmitter XNX Transmitter mV Personality XNX Transmitter EC Personality IR Personality Options XNX-AMSI-***** XNX-AMSV-***** / XNX-AMAV-***** XNX-AMSE-***** / XNX-AMAE-***** XNX-AMAI-***** XNX Part Number Series Electromagnetic & EMC Directive 2014/30/EU Safety; EN 50270:2015...
Page 161 XNX Universal Transmitter XNX Certifications XNX-AM Series XNX Transmitter XNX Transmitter mV Personality XNX Transmitter EC Personality IR Personality Options XNX-AMSI-***** XNX-AMSV-***** / XNX-AMAV-***** XNX-AMSE-***** / XNX-AMAE-***** XNX-AMAI-***** XNX Part Number Series IEC 60079-29-1:2007*** N/A N/A N/A N/A N/A N/A...
Page 162 XNX Universal Transmitter XNX Certifications - MPD-BT**.***** Part Number Series XNX Transmitter XNX Transmitter EC XNX Transmitter mV Personality IR Personality Personality Options XNX-BTSI-***** XNX-BTSV-***** XNX-BTSE-***** XNX-BTAI-***** XNX-BTAV-***** XNX-BTAE-***** XNX Part Number Series UL 1203 UL Listed UL 913-7th Edition Applies to Local HART Option) N/A N/A N/A ABNT NBR IEC 60079-0:2013 ABNT NBR IEC 60079-1:2016...
Page 163: Ec Sensor Cartridge And Cell Replacement
XNX Universal Transmitter Certification Labels XNX Universal Transmitter for use in Class I, Div. 1 Groups A, B, C &D ANSI/ISA 60079-29-1 E186567 Gas Detector for Use In Hazardous Locations 08/06/19 Class I, Div 1. Group A, B, C & D for UL and CSA (Chris) Update of Inmetro marking, 04/22/19...
Page 164 XNX Universal Transmitter 19-KA4BO-0168X DNV 18.0166X 0598 07/08/19 Add Korean Ex marking Chris Kim 02/18/19 Change QAR/QAN agency number (1180 to 0598) Chris Kim 03/05/18 Addition of Korean manufacturing location , Engraved with a “K” when manufactured in Korea Figure 230. XNX-AM**-***** configuration Specifications...
Page 165: Product Identification
XNX Universal Transmitter Product Identification The part numbering system encodes all possible XNX configurations. The first four digits describe the enclosure and the sensor. The last five describe the options (the three-digit sensor and range field is reserved for millivolt units). Agency approvals of MPD sensors vary depending on sensor type and part number.
Page 166: Ec Replacement Sensors
XNX Universal Transmitter EC Replacement Sensors Cartridge Maximum Selectable Default Cal Gas Cal Gas Target Gas Increment Cal Gas Range Part Number Range Range Range Part Number Description XNXXS01SS 25.0 %Vol 25.0 %Vol Oxygen 20.9 %Vol XNXXSO1FM 23.0% Vol 23.0% Vol Hydrogen Sulfide (Low Range) XNXXSH3SS 15.0 ppm...
Page 167: Ec Replacement Cells
XNX Universal Transmitter EC Replacement Cells Replacement Cell Cartridge Target Gas Part Number Part Number XNXXS01SS S3KO1SS Oxygen XNXXSO1FM S3KH1SS Hydrogen Sulfide (Low Range) XNXXSH3SS XNXXSH1SS S3KH1SS S3KH1SS Hydrogen Sulfide XNXXSH1FM S3KH2SS Hydrogen Sulfide (High Range) XNXXSH2SS XNXXSC1SS S3KC1SS Carbon Monoxide XNXXSC1FM S3KS1SS Sulfur Dioxide...
Page 168 XNX Universal Transmitter MPD (Multi Purpose Detector) MPD - Similar to the transmitter, the MPD part numbering system defines the agency approval and thread type (i.e., port configuration). The only material selection is stainless steel. Four sensor types are available. Agency approvals are specific to these four sensor types (see Sensor Data).
Page 169: Accessories/Spares
XNX Universal Transmitter Accessories/Spares See publication 1998-0807 XNX Universal Transmitter Parts List for a description of the parts and accessories shipped with the transmitter. Accessory Part Number Description For use on pipes from 2-6 inches (50-150mm) in diameter. The kit includes a pipe Pipe Mount Kit 1226A0358 mount bracket, 2 carriage bolts, nuts and lock washers.
Page 170 XNX Universal Transmitter Accessory Part Number Description Included XNX EC 02000-A-1640 Weatherproof Cap 00780-A-0076 Sensepoint The weatherproof cap protects the XNX sensors from harsh weather. 02000-A-1635 SPXCDWP (included) MPD-*TCB1 Extreme Weather Sensor XNX-EC or MPD; the Extreme Weather Protector protects the sensor from SPXCDWP Protector environmental conditions in outdoor exposure applications.
Page 171 XNX Universal Transmitter Accessory Part Number Description Terminal block jumpers provide an electrical connection without connection to the Terminal Block/ Contact HA Personality Board. Install the jumpers between pins 1 and 2 and between pins 3 and 4 Shorting Jumpers to support multi-node wiring.
Page 172 XNX Universal Transmitter Accessory Part Number Description FOUNDATION Field- 0310-0041 Cable Ground FOUNDATION Fieldbus XNX bus Ground Cable For use in high heat and/or direct sunlight environments. The sunshade can be Sunshade 94000-A-1006 mounted to 2-inch pipe or to a wall with suitable 6mm fasteners. Weather Housing 02000-A-1635 For use with Sensepoint EC sensor products...
Page 173 XNX Universal Transmitter EC Declaration of Conformity The latest issue of EC Declaration of Conformity can be downloaded from Honeywell Analytics website. Please visit the XNX product page at the address below and navigate to the Additional Docs section. https://www.honeywellanalytics.com/en-gb/products/XNX-Universal-Transmitter...
Page 174: Control Drawings
XNX Universal Transmitter Control Drawings XNX Universal Transmitter Technical Manual...
Page 175: Xnx Ul/Csa/Fm/Atex/Iecex/Inmetro/Russia
XNX Universal Transmitter XNX UL/CSA/FM/ATEX/IECEx/INMETRO/RUSSIA * Remark: XNX requires isolated power supply, which is suitably approved for the region Control Drawings...
Page 176 XNX Universal Transmitter * Remark: XNX requires isolated power supply, which is suitably approved for the region Control Drawings...
Page 177 XNX Universal Transmitter Control Drawings...
Page 178 Communication Devices (ia) – connected to HART intrinsically safe barrier in XNX: HART Handheld by Emerson Model 475 Field Communicator – T4 HART Handheld by Honeywell Model MCT404 – T4 Sensors or Sensing Accessories (ia) – connected to EC intrinsically safe barrier in XNX: EC Sensor –...
Page 179: Remote Sensor Mount
XNX Universal Transmitter Remote Sensor Mount Control Drawings...
Page 180: Hart Protocol
XNX Universal Transmitter HART Protocol XNX Universal Transmitter Technical Manual...
Page 181: Hart Interface
XNX Universal Transmitter HART Interface HART devices are usually connected as point-to-point networks. The analog output of the transmitter can also be disabled to The XNX Universal Transmitter is registered facilitate construction of multidrop, all-digital HART networks.If with the HART Communication Foundation. HART is not needed, the unit can be used as a 4-20 mA transmitter.
Page 182 20 mA loop. Additionally, associated apparatus (excluding the cable), 50% of Co and lo the optional local HART interface (Honeywell part number XNX- parameters are applicable and shall not be exceeded, i.e., the Ci...
Page 183 XNX Universal Transmitter WARNING J1 - Local HART Option Connector LOCAL HART 20 mA Figure 233. XNX mV personality Operation Warning: Power off the transmitter before changing S3 or S4. Failure to do this will board terminal blocks, jumper switches Source and wire color chart permanently damage the transmitter.
Page 184: Hart Sink, Source, And Isolated Wiring
XNX Universal Transmitter HART Sink, Source, and Isolated Wiring The following figures illustrate the proper HART Multidrop wiring for the transmitter. Source Sink Isolated +V 1-1 HART Handheld Communicator Source Source Source Sink Sink Sink Isolated Isolated Isolated +V 1-1 +V 1-1 +V 1-1 -V 1-3...
Page 185 XNX Universal Transmitter Source Sink Isolated +V 1-1 Emerson Field Communicator Source Source Source Sink Sink Sink Isolated Isolated Isolated +V 1-1 +V 1-1 +V 1-1 -V 1-3 -V 1-3 -V 1-3 +mA 1-5 +mA 1-5 +mA 1-5 -mA 1-6 -mA 1-6 -mA 1-6 TB-1...
Page 186 XNX Universal Transmitter Source Sink Isolated +V 1-1 HART Handheld Communicator Source Source Source Sink Sink Sink Isolated Isolated Isolated +V 1-1 +V 1-1 +V 1-1 -V 1-3 -V 1-3 -V 1-3 +mA 1-5 +mA 1-5 +mA 1-5 -mA 1-6 -mA 1-6 -mA 1-6 TB-1...
Page 187: Devcomm Pc-Based Hart Interface
XNX Universal Transmitter DevComm PC-based HART Interface The XNX-HART interface facilitates remote access to all features of the local user interface including displaying status, testing, calibrating, and configuring. A device descriptor (DD) file is available to adapt standard tools for use with the transmitter. WARNING After changing parameters with a handheld device, verify that the Warning:...
Page 188: Functions
XNX Universal Transmitter Functions Functions in the Configure Menu and the security levels required to change them are explained in this table. Configuration Summary Security Security Symbol Description Symbol Description All of the HART status information can be extracted from the Level Level transmitter as a PDF or text file.
Page 189: Information Screens
XNX Universal Transmitter Information Screens All of the information in the Configuration Summary can be viewed live on various informational displays. For example, alarm settings are shown in this figure. Figure 241 HART event history display Test The test menu provides methods for inhibiting the output, exercising the analog output, or simulating alarms or faults.
Page 190: Calibration
XNX Universal Transmitter Calibration Configuration The Calibration menu permits zero or span calibrations and bump All user settings of the transmitter can be made either at the testing. Additionally, when fitted with a Searchline Excel sensor, local user interface or over HART. The configuration menu the Calibration menu displays the optical signal strength for facilitates convenient setup of alarm levels as shown in Figure...
Page 191: Handheld Online Menus
XNX Universal Transmitter Handheld Online Menus b. Ref Sig Strength (e.g., 1.12) c. Sam Sig Strength (e.g., 1.06) When HART communication is established with the transmitter, the root menu is displayed. This outline shows the submenus: d. Baseline (e.g., 0.92) e.
Page 192 1. Output condition… VI. Gas Name 2. Device information… VII.Sensor Type I. Review 1. Manufacturer (Honeywell) 2. Model (XNX) 3. Sensor type (e.g., Optima) 4. PV (%LEL) 5. Info min range (e.g., 100.00% LEL) 6. Info max range (e.g., 100.00% LEL)
Page 193: Modbus Protocol
XNX Universal Transmitter Modbus Protocol XNX Universal Transmitter Technical Manual...
Page 194: Modbus And The Xnx Transmitter
(four data). The assignment of the first (iHeartBeat changes every 5 seconds) // Modbus link healthy eight registers (or six data) is identical to the Honeywell Analytics ) Then the area is safe. XCD gas sensor.
Page 195 XNX Universal Transmitter S5 EOL Term R =120Ω TB-3 Modbus 3-10 S Use shorting jumper supplied to maintain connection during service Figure 246. Modbus connections Modbus Protocol...
Page 196: Modbus Registers
XNX Universal Transmitter Modbus Registers Modbus Holding Datatype Variable Name Description Register Address 40001 Int16 MSB always 0x24 to facilitate automatic identification. LSB repeat of Modbus address. 40002 Int16 Identical to 40001 The reported gas concentration in current measurement units. For example, methane at 50% LEL would be reported as 50.0 here. 40003 to 40004 Float32 fCurrentConc...
Page 197 XNX Universal Transmitter Modbus Holding Datatype Variable Name Description Register Address This has the following meanings: reserved normal monitoring in warm-up long-term inhibit alarm simulation fault simulation Loop current stimulated in warning MFlt in Instrument Flt in beam block 40007 in bump test uint8 iMonitoringState...
Page 198 XNX Universal Transmitter Modbus Holding Datatype Variable Name Description Register Address The meaning of this datum is as enumerated below: Default mg/m3 g/m3 %vol %LEL 40011 int8 iMeasurementUnits Ratio %LEL*M ppm*m EG*m %vol * meter 12 to for future expansion 40012 to 40014 string[5] strGenericUnits...
Page 199 Serial number of Optima, Excel, or ECC cartridge. 40084 int8 iSensSwVer Integer representation of software version in external sensor or mV personality module 40085 int8 iTransSwVer Software version of XNX. 40086 to 40155 Contact Honeywell Analytics for details. Modbus Protocol...
Page 200: Warranty
XNX Universal Transmitter Warranty XNX Universal Transmitter Technical Manual...
Page 201: Warranty Statement
All products are designed and manufactured to the latest internationally recognized standards by Honeywell Analytics under a Quality Management System that is certified to ISO 9001. The XNX Universal Transmitter is warranted by Honeywell Analytics (herein referred to as ‘HA’) to be free from defects in material or ® workmanship under normal use and service for:...
Page 202: Index
XNX Universal Transmitter Index XNX Universal Transmitter Technical Manual...
Page 203 XNX Universal Transmitter configure menu 62 aluminum 14 stainless steel 14 construction material 131 S sensors, calibrating accessories 158 cable event history 88, 92 Control Drawings 163–170 air speed, operating 133 length 56 Excel, aligning 107 remote sensor mount HART alarm/fault simulation 86 ports 131 devices 56...
Page 204 XNX Universal Transmitter generic, connecting 50 operating 133 security access level 22. mA levels 76 product description 11-13 62, 64 jumpers 41, 131, 160 navigation 20 security, configuring 83 non-latching. See latching jumper switch 58 level settings 88,90 Sensepoint HT, calibrating numeric format, selecting output, calibrating 95, sensors 16–28...
Page 205 XNX Universal Transmitter temperature 131, 135, warm-up time 133 136, 137 Warnings 6 ranges, extended 138 Warnings and Faults 113- range, standard 138 terminal blocks 40, 59 Warranty 191–192 connections 41 weatherproof cap 18, 159 jumpers 160 weather protector 18, 159 pluggable 160 weight 131 termination 131...
Page 206 This page is intentionally left blank...
Page 207 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 7F SangAm IT Tower, 434 Worldcup Buk-ro, Mapo-gu, Seoul 03922 Korea Please Note: Tel: +82-2-69090300...

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