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Honeywell XNX-AM Series, Technical Manual

The Honeywell XNX-AM Series is a cutting-edge gas detection system designed for reliable and accurate monitoring. Ensure optimal operation with the comprehensive Technical Manual available for free download on our website. Discover the full potential of this advanced product and enhance safety within your environment.

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XNX Universal Transmitter

Table of Contents

1

Table of Contents

TOC

Safety and Information ��������������������������������������������������������������������� 5

Warnings������������������������������������������������������������������������������������� 6
Hazardous Location Installation Requirements  ������������������������� 8
Special Conditions for Safe Use ������������������������������������������������� 8
Cautions ������������������������������������������������������������������������������������� 8
Notes ������������������������������������������������������������������������������������������ 8
Information ���������������������������������������������������������������������������������� 9
Contacting Honeywell Analytics �������������������������������������������������� 9
Revision History �������������������������������������������������������������������������� 9

Introduction ������������������������������������������������������������������������������������� 10

Product Description  ����������������������������������������������������������������� 11

The Transmitter ������������������������������������������������������������������� 11
20 mA/HART Output ����������������������������������������������������������� 12
Communications ����������������������������������������������������������������� 12
Certifications ����������������������������������������������������������������������� 12
Patents �������������������������������������������������������������������������������� 13
Glossary ����������������������������������������������������������������������������� 13

Product Overview ��������������������������������������������������������������������� 14

Enclosure ���������������������������������������������������������������������������� 14
Cover ���������������������������������������������������������������������������������� 15
POD  ����������������������������������������������������������������������������������� 15

Options ������������������������������������������������������������������������������������� 16

Local HART  ����������������������������������������������������������������������� 16
Relays ��������������������������������������������������������������������������������� 16
Modbus  ������������������������������������������������������������������������������ 17
FOUNDATION Fieldbus ������������������������������������������������������ 17
Accessories ������������������������������������������������������������������������ 17

The Front Panel ������������������������������������������������������������������������ 20

Controls and Navigation ����������������������������������������������������� 21
The General Status Screen ������������������������������������������������ 21
Entering the Menu �������������������������������������������������������������� 22
Displaying Transmitter Information �������������������������������������� 23

Main Menu �������������������������������������������������������������������������������� 24
Menu Navigation ����������������������������������������������������������������������� 25

Installation and Operation ��������������������������������������������������������������� 29

Sensor Mounting and Location ������������������������������������������������� 30

Mounting the Transmitter ���������������������������������������������������� 30
Wiring the Transmitter ��������������������������������������������������������� 32
General Wiring Considerations ������������������������������������������� 33
Loading ������������������������������������������������������������������������������� 33
Isolation ������������������������������������������������������������������������������ 33
Circuit Protection ���������������������������������������������������������������� 33
Distance Considerations for Installation������������������������������ 33
Single Transmitter ��������������������������������������������������������������� 34
Multiple Transmitters Connected to a Single Power Source 34
Multiple Transmitters Connected in a “Daisy-Chain” 
Configuration ���������������������������������������������������������������������� 34
Power Source Selection ������������������������������������������������������ 35
Wire Selection ��������������������������������������������������������������������� 35
Single Transmitter Distances ���������������������������������������������� 36
Daisy-Chained Transmitter Distances ��������������������������������� 36
POD Connections ��������������������������������������������������������������� 38
4-20mA Output, Common Connections, and Power  ���������� 39
Settings  ������������������������������������������������������������������������������ 39
FOUNDATION Fieldbus Wiring ������������������������������������������� 41
Terminal Block Connections ����������������������������������������������� 41

Summary of Contents for XNX-AM Series

Page 1: ...nical Manual Table of Contents Safety and Information Introduction Installation and Operation Calibration Maintenance Warnings Faults Specifications Control Drawings HART Protocol Modbus Protocol Warranty Index ...

Page 2: ...This page is intentionally left blank ...

Page 3: ... Navigation 21 The General Status Screen 21 Entering the Menu 22 Displaying Transmitter Information 23 Main Menu 24 Menu Navigation 25 Installation and Operation 29 Sensor Mounting and Location 30 Mounting the Transmitter 30 Wiring the Transmitter 32 General Wiring Considerations 33 Loading 33 Isolation 33 Circuit Protection 33 Distance Considerations for Installation 33 Single Transmitter 34 Mult...

Page 4: ...Fieldbus 60 Powering the Transmitter the First Time 61 IR Units Configured for Searchline Excel 62 Remote Calibration of MPD Sensors 63 Configuring the Transmitter 63 Configure Menu 64 Select Language 64 Set Date and Time 65 Set mV Sensor Type 66 Set mA Sensor Type 67 Gas Selection 67 Changing the Gas or Units Name 69 Gas Selections and Alarm Limits Based on mV Sensor Type 69 Range and Alarms 74 L...

Page 5: ...s 121 Notes 125 Fault Messages 126 Notes 133 Informational Messages 135 Specifications 137 Product Specifications 138 SENSOR DATA 140 Operating and Storage Conditions for Performance Tested EC Cartridges 140 Detectable Gases and Performance 141 EC Sensor Performance Data Factory Mutual Verified 142 EC Sensor Performance Data DEKRA EXAM Verified 143 Other EC Sensors 144 Footnotes see table on previ...

Page 6: ...ART Sink Source and Isolated Wiring 182 DevComm PC based HART Interface 185 Functions 186 Configuration Summary 186 Information Screens 187 Event History 187 Test 187 Calibration 188 Configuration 188 Handheld Online Menus 189 Modbus Protocol 191 Modbus and the XNX transmitter 192 Modbus Registers 194 Warranty 198 Warranty Statement 199 Warranty Conditions 199 Consumer Claims 199 Index 200 ...

Page 7: ...XNX Universal Transmitter Safety and Information 5 Safety and Information ...

Page 8: ...ovide 90 coverage of the wiring Cable shield terminations must be made at the cable glands with suitable EMI type glands Avoid terminating cable shields at the Earth ground lug inside the XNX enclosure In cases where wiring is in pipe a shielded cable is not required The external terminal is only a supplemental bonding connection where local authorities permit or require such a connection Take car...

Page 9: ...ransmitter If the passwords are lost resetting the transmitter will require a service technician When the transmitter is placed in Inhibit Mode alarms are silenced This will prevent an actual gas event from being reported Inhibit Mode must be limited to testing and maintenance only Exit Inhibit Mode after testing or maintenance activities Honeywell recommends periodic bump tests every 30 days or i...

Page 10: ... the associated apparatus For circuits connected to the EC barrier in which the capacitance and inductance exceed 1 of the permitted values the maximum permitted capacitance is limited to 600 nF for group IIC and 1uF for group IIIC The connection to the HART circuit shall be rated a minimum of IP 6X Delays resulting from transmission errors between sensor and transmitter extend response times T90 ...

Page 11: ...tion Modbus is a registered trademark of Schneider Automation Inc FOUNDATIONTM is a trademark of Fieldbus Foundation Unistrut is a registered trademark of Unistrut Corporation Windows is a registered trademark of Microsoft Corporation Contacting Honeywell Analytics www honeywellanalytics com Europe Middle East Africa India Life Safety Distribution GmbH Javastrasse 2 8604 Hegnau Switzerland Tel 41 ...

Page 12: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 10 Introduction ...

Page 13: ...ransmitter also allows for an optional communication board There are three types of boards relay Modbus or 1 There are three main types of gas hazards flammable toxic and asphyxiant A flam mable gas hazard is one in which there is a risk of fire and or explosion e g a situation in which a gas such as methane butane or propane is present A toxic gas hazard is one in which there is a risk of poisoni...

Page 14: ...ilable relay communication Modbus or FOUNDATION Fieldbus Each communication option has a dedicated option board For additional information refer to the Options section Certifications XNX UT Versions are UL and CSA listed for installation in Class I Division 1 Groups A B C and D Hazardous Locations FM Approvals evaluation includes Class I Zone 1 Group IIC as well as performance tests for specific s...

Page 15: ...ent in hazardous environments commonly abbreviated IS IP rating Ingress Protection a system for describing a device s protec tion against dry materials and liquids e g IP66 67 latching alarm an alarm that once activated must be manually reset magnetic wand a small device used to change the transmitter s settings Modbus a digital communications protocol based on RS 485 topology non latching alarm a...

Page 16: ...nclosure is equipped with up to five threaded cable conduit ports providing functional and flexible configurations based on sensor and option choices See Cable conduit port assingments for port assignments and restrictions Stopping plugs PN 1226 0257 or 1226 0258 have been provided to seal unused cable conduit ports and have been Agency evaluated approved for use with the XNX enclosure only The nu...

Page 17: ...etic wand screwdriver Note When attaching the cover or stopping plugs coat the threads with a suitable anti seize compound to prevent corrosion NOTE POD The POD Personality Options and Display includes circuit boards for the personality module optional interfaces and display The personality module or circuit board determines the transmitter behavior based on the sensor type attached to the transmi...

Page 18: ...Reset Alarms Faults command The remote reset switch designated TB 4 and labeled Remote Reset SW is located on the relay option board It provides a remote hardware based reset of faults and alarms to the transmitter In the event that direct access to the local and HART interfaces is not possible alarms and faults from an XNX transmitter may be reset remotely using a momentary switch This will momen...

Page 19: ...connected with a single set of wires FOUNDATION fieldbus overcomes some of the disadvantages of proprietary networks by providing a standardized network for connecting systems and devices Accessories Refer to the Accessories Spares section for part numbers Pipe Mount Kit The pipe mount kit allows the transmitter to be mounted to pipe from 2 6 50 150 mm in diameter The kit includes the pipe mount b...

Page 20: ...g cone improves detection of lighter than air gases such as hydrogen and methane Ceiling Mount Bracket Kit The optional ceiling mount bracket kit includes two stainless steel ceiling mount brackets bolts and nuts Remote Gassing Kit The remote gassing kit enables gas to be applied remotely for performing functional response checks bump tests The kit Includes 50 Teflon tubing a mounting bracket a tu...

Page 21: ...includes the adapter gasket and required fasteners For MPD applications order both the Duct Mount Kit and the MPD Interface Adapter 1226A0382 MPD Adapter Ring S3KDMK EC MPD Duct Adapter Kit Sunshade The sunshade is used in environments with high heat and or direct sunlight It protects the sensor from environmental conditions in outdoor applications helping to keep the internal components within th...

Page 22: ...c wand A visual indication of the switch actuation will appear in the lower right corner of the display each time the switch is activated In some menus where displayed values can be changed the magnet must be swiped over the switch to cause the numeral on the display to advance through the available values Use the switch to return to a previous menu or field For the purposes of this manual the ins...

Page 23: ...1 Set Point Current Concentration Level Bar Graph Full Scale Concentration Units Figure 10 General Status screen normal operating mode The Normal Operating Mode icon indicates proper operation The display also shows the concentration level of the target gas in two ways In the first a numeric value is shown in the upper right corner of the display in the units selected ppm LEL VOL The second concen...

Page 24: ...tration Bar Alarm Setpoints Flash Figure 14 General Status Overrange detail Negative values are not displayed and do not appear on the 4 20 mA output but they are indicated by faults or warnings when preset thresholds are exceeded See zero deviation in the Specifications section In addition to the graphic alarm fault and warning indicators the LEDs on the front panel flash in these patterns based ...

Page 25: ...code screen Warning The factory set passcodes must be reset to prevent unauthorized access to the transmitter s menus WARNING When the Passcode screen is displayed the first passcode digit is highlighted Use the switches to increase or decrease through the values Once the correct value is displayed for the first digit accepts the value and moves to the next digit or moves to the previous digit of ...

Page 26: ...ure the unit for language date and time The Main Menu consists of these options Menu Description See Section Configure Provides access to settings to configure the transmitter and connected devices Configuring the Transmitter Test Provides access to tools and settings to allow simulation of gas events to test the system Test Menu Information Displays current settings for the transmitter including ...

Page 27: ...XNX Universal Transmitter Introduction 25 Menu Navigation ...

Page 28: ...ion Sensor Data Sensor Status Sensor Status Gas Name ID Range Gas Data Range Settings Alarm Settings Range Alarm Settings mA Level Settings mA Level Settings Relay Settings4 Relay Settings 4 Optional relay only Fieldbus Settings5 Fieldbus Settings Event History Increment Next Previous Event Increment Next Previous Hour Increment Next Previous Day Increment Next Previous Alarm Increment Next Previo...

Page 29: ...t Alarm Fault Simulation Alarm 1 Simulation Alarm 2 Simulation Warning Simulation Fault Simulation 6 Optional relay only Calibration Mode Gas Calibration Enter Span Gas Concentration Oxygen Enter Span Gas Concentration Not Oxygen Bump Test mA Output Calibration Adjust 4 mA Output Adjust 20 mA Output Soft Reset7 Align Excel8 7 Searchpoint Optima and Searchline Excel only 8 Searchline Excel only ...

Page 30: ...0 Searchpoint Optima and Searchline Excel only 11 ECC and mV only Change mA for Warning Change mA for Overrange Change mA for Low Signal Change mA for Blocked Beam Set Calibration Interval Accept New Sensor Type12 Information screen identifying previous sensor and new sensor Screen displays new type and old type Set Beam Block13 Select Beam Block Threshold Select Time to Beam Block Select Time to ...

Page 31: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 29 Installation and Operation ...

Page 32: ... of safety and engineering personnel and experts having specialist knowledge of gas dispersion the process plant system and the equipment involved Record the agreement reached on the location of sensors Consider these factors when locating gas sensors possible damage caused by natural events such as rain or flooding ease of access for functional testing and servicing how escaping gas may behave du...

Page 33: ...d as a handheld sensor WARNING Note Agency certifications require that EC and mV sensors face down Optima sensors must be mounted horizontally NOTE The transmitter is configured with five cable conduit ports built into the housing for wiring and mounting sensors Figure 23 provides the guidelines to proper installation of the transmitter While relay wiring can use any available cable conduit port i...

Page 34: ...sed in plastic housings comprising the electronics POD Personality Options and Display The Personality circuit board determines the transmitter s behavior based on the type of sensor attached to the interface See Specifications for drift and zero deviation values This table illustrates the three transmitter configurations and the sensors supported by each XNX IR Personality XNX EC Personality Sear...

Page 35: ...nsors must be sized sufficiently to provide adequate voltages for the line length and the loads that will be used The use of high inrush or inductive loads may affect the performance of the transmitter For best reliability use resistive loads only Isolation Isolate the power and signal carrying conductors Circuit Protection Supply circuits must provide over current protection Consider inrush curre...

Page 36: ...mitters sharing a single power source with each transmitter having its own dedicated wiring to the power source Power Supply Figure 28 Multiple transmitters powered by a single power supply Advantages Maximum distance between power source and transmitters Fewer power sources Disadvantages Larger power source will be needed If a power source fails several monitoring points fail Multiple Transmitter...

Page 37: ...frared cartridge 5 4 6 5 3 7 4 8 XNX Universal Transmitter Maximum Power Consumption Configuration 40 C to 65 C 10 C to 65 C HART over 4 20mA watts HART over 4 20mA with Relay Modbus or FoundationTM Fieldbus watts HART over 4 20mA watts HART over 4 20mA with Relay Mod bus or Foundation Fieldbus watts transmitter with Searchpoint Optima Plus 8 6 9 7 6 9 8 0 transmitter with Searchline Excel 12 1 13...

Page 38: ...cel 550 feet 168 meters 890 feet 270 meters 1410 feet 430 meters 2260 feet 690 meters Daisy Chained Transmitter Distances It is difficult to calculate distances for this configuration There are many factors to be considered distance from control room to first transmitter distance between transmitters sensor types etc A few scenarios are presented here to provide a base to work from Power Supply d ...

Page 39: ...eters 70 feet 21 meters 110 feet 33 meters 180 feet 55 meters XNX IR with Searchline Excel 35 feet 11 meters 55 feet 17 meters 90 feet 27 meters 150 feet 46 meters 2 Several transmitters installed in pairs with each pair equally spaced from the next pair and the power source These distances assume the paired transmitters are installed within 10 feet 3 meters of each other Power Supply d d d Transm...

Page 40: ...n of the terminal blocks for each type of personality board J1 Remote HART Connector Only Personality Boards Option Boards A B C D E F Figure 33 Personality board terminal block legend Each of the personalities uses a single terminal block for connection with the exception of the IR personality which features a second terminal block The personality boards also provide a dedicated pair of jumper sw...

Page 41: ...nstalled connections to the options are made to connectors at the bottom of the POD 4 20mA Output Common Connections and Power Settings The transmitter allows the user to configure the 4 20mA output to Sink Source or Isolated mode operation via two programming switches on the POD1 The Switch Configuration table shows the S1 and S2 setting and corresponding output configuration Switch Configuration...

Page 42: ...ption is dependent on the sensor and options for the specific configuration For proper operation the input voltage must be maintained between 16 and 32 VDC for EC and mV units and between 18 to 32 VDC for IR units Controller VE Signal VE RL 1 2 3 1 1 1 5 1 3 V mA V XNX XNX Sink Configuration Current Flow Figure 34 Sink wiring XNX Source Configuration Controller VE Signal VE RL 1 2 3 1 1 1 6 1 3 V ...

Page 43: ...minal block Terminal Block Connections Connections to the transmitter are made via pluggable terminal blocks secured to the back of the POD The terminal blocks are keyed and polarized A color coded label assists in wiring when the block is removed from the POD The terminals are suitable for use with 12 to 28 AWG or 0 8 to 2 5 mm2 wire Wire insulation must be stripped 5 16 8 mm Tighten each termina...

Page 44: ...tch settings If resistance is felt wires may be preventing the POD from being properly positioned CAUTION TB1 Position EC 1 24 2 3 0v 4 J1 Local HART Connector S1 and S2 Signal Output Jumper Switch S2 S1 Isolated Sink Source XNX EC TB 1 J2 EC Barrier Connector HART 20 mA Operation LOCAL J1 S1 S1 Source Sink Isolated S2 S2 EC Barrier J2 V 1 1 EC TB 1 4 20mA HART 16 32 VDC 6 2W max 1 2 V 1 3 1 4 mA ...

Page 45: ... g nitrogen dioxide remove the sensor stabilizer from the bottom of the sensor prior to installation CAUTION Using the Installing plug in sensor illustration as a guide follow this procedure 1 Verify that the label on the new sensor is the correct gas type 2 Unscrew the weatherproof cover loosen the retainer locking screw with the supplied hex key and unscrew the sensor retainer 3 Plug in the new ...

Page 46: ...able connector into the bottom of the transmitter and secure the retainer 4 Route the cable to the location where the remote sensor is to be mounted 5 Optional make a loop of cable at the junction box This will provide some excess for future re terminations 6 If necessary cut the cable to the required length Caution Do not cut the cable too short Once cut additional lengths of cable cannot be adde...

Page 47: ...sor into the socket at the bottom of the terminal box 12 Fit the sensor retainer tighten the locking screw and fit the weatherproof cover 13 Calibrate the sensor following the procedure in the Zero and Span Calibration for EC Sensors mV Sensors and Searchpoint Optima section Sensor Cartridge Weatherproof Cap Sensor Retainer Sensor Mounted to Remote Sensor Kit Black 1 Yellow Connections Pin Color 2...

Page 48: ...nections Do not cut the wires NOTE Caution Dress the wires properly so that cabling does not contact switches 1 or 2 on the back of the POD Do not force the POD into the enclosure Doing so may result in damage to the wiring or the POD If resistance is felt wires may be preventing the POD from being properly positioned CAUTION HART 20 mA Operation LOCAL J1 S1 V 1 1 mV TB 1 MPD 705 Sensepoint 4 20mA...

Page 49: ...sensors must be installed with the sinter pointing down 2 Loosen the retainer locking screw on the transmitter with the supplied hex key 3 Unscrew the transmitter s weatherproof cover and loosen the retainer locking screw with the supplied hex key 4 Run conduit or cable from one of the transmitter s available conduit ports to the location of the remote terminal housing in accordance with local req...

Page 50: ...wires connecting the pluggable terminal block and the remote MPD must be routed through the supplied ferrite bead Honeywell Analytics part no 0060 1051 supplied in the accessory kit as shown in Figure 46 Internal Ground Lug do not use Power Ferrite Bead for Remote Sensor Wiring mV Remote Sensor XNX Universal Transmitter Figure 46 Ferrite bead wiring 6 Mount the remote sensor junction box with suff...

Page 51: ...ng the procedure in the Calibration section Note Environmental conditions that compromise the IP66 protection provided by the weatherproof cover will extend published response times Safety protocols or maintenance procedures that consider these environmental conditions are recommended NOTE IR Personality Wiring The RS 485 digital communication is the primary interface in which the transmitter read...

Page 52: ...ver is included for use on terminal blocks 2 and 4 This tool is smaller than the magnetic wand and is designed to fit into the terminal connections on TB2 and TB4 NOTE The Searchpoint Optima Plus or Searchline Excel can be supplied in either Sink or Source mode operation and is typically labeled on the white wire exiting the Searchpoint Optima Plus or Searchline Excel Use the table in the IR perso...

Page 53: ...n LOCAL J1 S1 V 1 1 Searchline Searchpoint 4 20mA HART 18 32 VDC 13 2W max 1 2 V 1 3 1 4 mA 1 5 mA 1 6 1 7 Ir Ir 1 8 Sig 1 9 S1 Source Sink Isolated S2 S2 Ir TB 1 TB 2 Ir Data S3 Source Sink S4 S2 S1 Isolated Sink Source J1 Local HART Connector S1 and S2 20mA Output Jumper Switch S3 and S4 IR 20mA Input Jumper Switch XNX IR TB 1 S4 S3 Sink Source TB2 Terminal No From Searchpoint Optima Plus Search...

Page 54: ... earth ground as the XNX transmitter Isolation kit is not important in this configuration Control Room Conduit armored cable Earth loop through the conduit armored cable must be avoided RFI and EMC shield Control Room XNX Transmitter Armor RFI and EMC shield Notes Ground loops through the armor must be avoided If armor is connected to the XNX transmitter via a conductive EXd cable gland the armor ...

Page 55: ...Optima Plus orientation The 3 4 NPT ports do not require the seal and locknut The form of the threads provide positive locking and sealing SearchlineExcel SearchpointOptimaPlusRemoteInstallation Junction boxes are available for the Searchline Excel and Searchpoint Optima Plus to facilitate remote mounting from the transmitter Junction boxes are available for installations requiring UL CSA or ATEX ...

Page 56: ...d ONLY 3 Avoid running wiring near main cables or other high voltage equipment 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 6 Perform a soft reset after connec...

Page 57: ...Sens white IR ve red IR ve black RS485 yellow RS485 blue IR Sens IR ve IR ve RS485 RS485 Twisted Shielded Pair 18 AWG Single Ground Point RS485 Cable Shield Ground ONE END ONLY Power Supply ve ve Junction Box Searchline Excel Searchpoint Optima Plus Pair 1 Unit Ground and IR Sense Cable Shield Grounded ONE END ONLY Pair 2 RS485 and RS485 Cable Shield Grounded ONE END ONLY Pair 3 IR ve and IR ve Ca...

Page 58: ...rmation on HART see the the HART Protocol section and www fieldcommgroup org Implementation of the HART protocol in the transmitter Meets HART 6 0 physical layer specification The physical layer is tested according to HART Physical Layer Test Procedure HCF_TEST 2 Data transfer rate 1200 bps HART devices can operate in point to point or multidrop configurations Caution Device address changes must b...

Page 59: ...nt power is provided by an interface or external power source that is not shown Figure 56 Multidrop mode of operation Note Use multidrop connection for supervisory control installations that are widely spaced such as pipelines custody transfer stations and tank farms NOTE In general the installation practice for HART devices is the same as conventional 4 20mA instrumentation Individually shielded ...

Page 60: ...ft 2 317 m 5 620 ft 1 713 m 3 540 ft 1 080 m 2 740 ft 835 m 8 7 400 ft 2 255 m 5 480 ft 1 670 m 3 460 ft 1 055 m 2 660 ft 810 m Relays The relay option XNX Relay provides 3 form C SPCO contacts for alarm and fault indication A remote reset is provided to silence alarms The remote reset switch designated TB 4 and labeled Remote Reset SW is located on the relay option board It provides a remote hard...

Page 61: ...nctions and parameter settings to be transmitted Modbus is a master slave protocol Only one master at a time is connected to the bus Modbus communication is always initiated by the master The slave nodes never transmit data without receiving a request from the master node The slave nodes never communicate with each other The master node initiates only one Modbus transaction at a time Terminals 3 1...

Page 62: ...imulation switch SW5 is included on the board to enable disable simulation mode Terminals 3 1 through 3 4 are provided to facilitate bus wiring there is no internal connection to other XNX circuitry Terminal 3 1 is connected internally to 3 2 Similarly terminal 3 3 is connected internally to 3 4 TB 3 Modbus Use shorting jumper supplied to maintain connection during service S5 Sim Mode Out In 3 1 3...

Page 63: ...ting clip from the bottom of the sensor prior to installation No shorting clip is provided with O2 sensors CAUTION 4 Refit the sensor retainer tighten the locking screw and refit the weatherproof cover Note Before replacing the cover on the transmitter housing coat the threads with anti seize compound to prevent corrosion Note Inspect the cover O ring for cracking or any other defects that might c...

Page 64: ... transmitter will load its operating system data from the sensor sensor software version numbers gas type the detection range and span calibration gas level estimated time to next calibration due and self test result This will take about 45 seconds Figure 61 XNX Initialization and General Status screens In the final stages of boot up warnings and faults may be observed until the user performs the ...

Page 65: ...on with a certified test gas of known concentration The pellistors used in flammable gas sensors can suffer from a loss of sensitivity when in the presence of poisons or inhibitors e g silicones sulfides chlorine lead or halogenated hydrocarbons Configuring the Transmitter The transmitter can be configured via the local user interface by using the menus available in Configure Menu For information ...

Page 66: ... exiting all menus and returning to the General Status menu manually No time outs are invoked WARNING Note With the exception of Inhbit Mode gas measurement continues in the background allowing users to navigate screens without taking the transmitter offline NOTE Select Language Available languages for the transmitter are English Italian French German Spanish Russian Mandarin and Portuguese Figure...

Page 67: ...tches to select the year month and day Select to set the desired date Figure 68 Setting the Date screen Use the switches to decrease or increase the values until the desired value appears Select to set the value and move to the next character Repeat for each character to be changed Set Time Figure 69 Set Time menu Use the switches to decrease or increase the values until the desired value appears ...

Page 68: ...cription MPD IC1 5 V MPD Carbon Dioxide 5 Vol MPD IV1 5 V MPD Methane 5 Vol MPD IV1 100 L MPD Methane 100 LEL MPD IF1 100 L MPD Flammable 100 LEL MPD CB1 100 L MPD Flammable 100 LEL 705 HT 20 L 705 Flammable 20 LEL High Temp 705 HT 100 L 705 Flammable 100 LEL High Temp 705 STD 100 L 705 Flammable 100 LEL SP HT 20 L Sensepoint Flammable 20 LEL High Temp SP HT 100 L Sensepoint Flammable 100 LEL High...

Page 69: ...through the list Use to make the selection or to discard the selection retain the previously selected sensor and return to the previous menu Note This configuration option is not available for XNX transmitters with EC sensors NOTE Gas Selection Gas Selection sets the target gas for sensors capable of detecting multiple gases The available gases for each of the capable sensors is determined by the ...

Page 70: ... with a Searchpoint Optima Plus the sensor must be recalibrated WARNING These are the transmitter s selectable gases Butane C4 H10 Carbon Dioxide CO2 Ethanol C2 H5 OH Ethylene C2 H4 Hexane C6 H14 Hydrogen H2 Methane CH4 Methanol CH3 OH Propane C3 H8 Star 1 through Star 81 Warning Do not use the transmitter in oxygen enriched atmospheres Concentrations displayed will be adversely affected by oxygen...

Page 71: ...me can be up to 15 characters long Select to return to the Gas Name screen The new name will be displayed in reverse light characters on a dark background Select the switch twice to display the Accept Settings screen Select to accept the new gas name A Settings Accepted screen will be displayed briefly followed by the Gas Selection menu Figure 81 Accepting the New Gas Name screens Follow the same ...

Page 72: ...60 60 60 60 60 60 60 60 Volume Reference 4 0 5 0 4 4 5 5 2 7 2 3 3 3 3 1 2 0 1 7 1 5 1 4 1 2 1 0 n a n a n a n a n a n a n a n a 705 STD 100 LEL Hydrogen Methane 1 Methane 2 Methanol Ethelyne 1 Ethelyne 2 Ethanol 1 Ethanol 2 Propane 1 Propane 2 Butane 1 Butane 2 Hexane 1 Hexane 2 Star 1 Star 2 Star 3 Star 4 Star 5 Star 6 Star 7 Star 8 Lower Alarm Limit LEL 20 20 20 25 25 30 30 30 25 30 30 30 50 50...

Page 73: ... 6 Star 7 Star 8 Lower Alarm Limit LEL 20 15 20 20 20 20 20 20 20 20 20 20 20 20 50 30 25 20 20 20 15 15 Upper Alarm Limit LEL 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 Volume Reference 4 0 5 0 4 4 5 5 2 7 2 3 3 3 3 1 2 0 1 7 1 5 1 4 1 2 1 0 n a n a n a n a n a n a n a n a 705 HT 20 LEL SP HT 20 LEL Hydrogen Methane 1 Methane 2 Lower Alarm Limit LEL 5 0 5 0 5 0 Upper Alarm ...

Page 74: ... 60 60 60 60 60 60 60 60 Volume Reference 4 0 5 0 4 4 5 5 2 7 2 3 3 3 3 1 2 0 1 7 1 5 1 4 1 2 1 0 n a n a n a n a n a n a n a n a SP HT 100 LEL Hydrogen Methane 1 Methane 2 Methanol Ethelyne 1 Ethelyne 2 Ethanol 1 Ethanol 2 Propane 1 Propane 2 Butane 1 Butane 2 Hexane 1 Hexane 2 Star 1 Star 2 Star 3 Star 4 Star 5 Star 6 Star 7 Star 8 Lower Alarm Limit LEL 10 10 10 10 10 10 10 10 10 10 10 10 10 10 ...

Page 75: ...it LEL 2 0 2 0 2 0 2 0 Upper Alarm Limit LEL 10 10 10 10 Volume Reference 4 0 5 0 4 4 N A SP PPM Hydrogen Methane Lower Alarm Limit LEL 1000 ppm 1000 ppm Upper Alarm Limit LEL 5000 ppm 5000 ppm Volume Reference n a n a SP HT NH3 Ammonia Lower Alarm Limit LEL 3000 ppm Upper Alarm Limit LEL 30000 ppm Volume Reference n a ...

Page 76: ...screen When the Range option is highlighted use the switches to decrease or increase the value Use to accept the displayed value and move to the next field When all fields have been updated use the switch to highlight ü on the right side of the display Use to accept the changes Figure 84 Setting the range value When complete the display will return to the Range Option screen Set Alarm Values Set A...

Page 77: ... Limits selection sets the alarm trigger level for both alarms Figure 87 Alarm Limits screen Use to set the desired alarm limit and select it Repeat for each alarm Figure 88 Setting an alarm setpoint When complete the display will return to the main Range Alarm screen When all settings have been made use to move to the on the display to Accept Settings Figure 89 Accept Settings screen When the set...

Page 78: ... and disabling of the reading deadband The deadband is a range of value where the gas reading is displayed as zero In the Range Alarms menu use the controls to select Set Deadband menu Select to enter the menu When entering Set Deadband menu a message will be displayed either DEADBAND OFF or DEADBAND ON per the current setting User will select deadband off or on Question message when current Quest...

Page 79: ...h to make the selection the default display format Select twice to return to the Ranges Alarms menu Latching Non Latching Alarms Warning There is a potential loss of sensitivity during exposure to high concentrations of H2S Under these conditions set the control unit to latch at overrange In standalone configuration set alarms to latching When resetting the overrange or alarm verify correct operat...

Page 80: ...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 Figure 98 Set Units menu To change the units use the switches to highlight the units icon Use to select it The transmitter s display will change to the Display Unit Selection screen which shows the available choices for t...

Page 81: ...e shown in the following table See Warnings and Faults for more information Signal Output mA Default Min Max I Inhibit 2 0 1 0 3 5 W Warning 3 0 1 0 3 5 O Overrange 21 0 20 22 B Beam Blocked 1 0 1 0 4 0 L Low Signal 1 0 1 0 4 0 Figure 102 Set mA Levels for Inhibit screen After all changes have been made use the switches to move to the ü and use on the front panel to accept and save the settings If...

Page 82: ...ximum number is defined by the sensor type Use to select the value and move to the next field Repeat for each field When all of the fields have been updated use the switches to highlight the ü on the right side of the display Use on the front panel to save the settings Caution Setting the calibration interval to zero turns off the calibration notification This can seriously affect sensor performan...

Page 83: ...hes to decrease or increase the value until the desired value appears Use to select the value and move to the next setting Figure 111 Setting Beam Block Warning Time screen When the beam is blocked longer than the value set in Time to Beam Block a fault is generated by the transmitter Set Time to Fault sets the minimum time the beam is blocked before generating a fault Figure 112 Beam Block Fault ...

Page 84: ...116 Accept Beam Block Changes screen Figure 117 Beam Block Changes Accepted screen Path Length The distance in meters between the transmitter and the receiver is set through the Path Length menu This menu is available only if the transmitter is connected to a Searchline Excel sensor Figure 118 Path Length menu Setting the Path Length or distance between the transmitter and receiver of the Searchli...

Page 85: ...0 9 and special characters Figure 123 Unit ID menu Note The XNX Unit ID is not the same as the HART tag in XNX applications using HART protocol NOTE Edit ID Each transmitter is assigned a default Unit ID at the factory The Edit ID menu allows the assigned ID to be modified Figure 124 Edit Unit ID screen From the Edit ID Screen use the switches and to select Edit ID The current Unit ID is displayed...

Page 86: ... Options menu allows the relays for both alarm levels to be configured This menu is available only if the transmitter is equipped with the optional relays 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 the symbols for energized and for de energized Figure 130 Alarm 1 Relay Current State...

Page 87: ...et the address use the switches to highlight the number in the top line between 0 and 63 and use to select it Use the switches to decrease or increaset the value until the desired value appears Use to select the value and move to the next setting Figure 134 HART Address and Address Value screens Use the switches to move to the HART option and use to select it Use the switches to scroll through the...

Page 88: ... Fieldbus address have been set use the switches to navigate to the ü then select it to save the changes Figure 140 Accept Settings and Fieldbus Address Settings Accepted screens Configure Security Configure Security is used to set or reset the level 1 and level 2 passcodes that control access to the configuration menus of the transmitter Figure 141 Configure Security screens Easy Reset from Main ...

Page 89: ...ngs to the transmitter Figure 144 Accept Settings and Security Settings Accepted screens Verifying the Configuration Test Menu The test menu icons are shown in this table Symbol Description Symbol Description X Inhibit Force Relay Force mA Output Alarm Fault Simulation Warning Keep the passwords in a secure area to prevent unauthorized access to the transmitter If the passwords are lost resetting ...

Page 90: ...leave the alarms in Inhibit mode Figure 149 Inhibit Status screen When the transmitter is in Inhibit mode the General Status display will display the inhibit icon Force mA Output Caution The mA output set in this menu will revert to the normal operating values when exiting the Test Menu For more information on setting the mA output levels for normal operation see mA Levels CAUTION Force mA Output ...

Page 91: ...n the relay will be open or closed Figure 152 Force Relays screen The Relay State screen shows the current relay configuration in the left column The output can be controlled by changing the value in the column on the right Figure 153 Relay State screen Once the new value is input use the switches to move to the ü and use the magnetic switch on the front panel to change the condition of the relay ...

Page 92: ...he transmitter If the is selected the simulation will be aborted Use Alarm Fault Reset to reset alarms faults or warnings generated by the simulation Figure 159 Alarm Fault Reset screen This confirmation screen will appear Figure 160 Alarm Fault Reset screen Select to reset the alarms faults or warnings generated by the simulation If the is selected the simulation continues Caution Relays and LEDs...

Page 93: ...the Alarm Fault Status screen allowing faults and alarms to be reset Figure 162 Alarm Fault Status screen The ü will be highlighted Select to reset all faults and alarms generated by the transmitter then return to the Alarm Fault Status screen Select the switch to return to the Alarm Fault Status screen without resetting faults or alarms Date Time Figure 163 Date Time screens The Date and Time scr...

Page 94: ...ches to highlight the option then swipe the magnetic switch on the front panel to accept the change The transmitter will update the part number of the unit The new option will then be operational Figure 167 Updating the Transmitter for Option Boards Added or Changed screens Transmitter Status Figure 168 Transmitter Status screen Transmitter Status displays information about the transmitter includi...

Page 95: ...emperature 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 Gas Settings screen Gas Data displays the current detectable gas as configured for the attached sensor Figure 175 Gas Abbreviation and Full Scale screens ...

Page 96: ...larm 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 mA Output Inhibit Warning and Overrange screens ...

Page 97: ...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 Figure 182 Modbus Configuration Display screen Relay Data The Relay Menu is enabled only if the transmitter is equipped with the optional relays ...

Page 98: ...tter Installation and Operation 96 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 ...

Page 99: ... viewed by hour or by date Events listed in hour order are grouped without regard to date For example all events that have occurred between noon and 1 00 o clock since the transmitter s installation can be isolated To view all events in hour order 1 Use the magnetic wand to filter the display by hour 2 Navigate through the displayed times To isolate all of the events from a specific day 1 Use the ...

Page 100: ...ading zeros of faults and warnings are not displayed in the event list i e Fault 011 is displayed as Fault 11 NOTE Figure 185 Event History screen Figure 186 Chronological Event list Figure 187 Chronological Event list by hour Figure 188 Chronological Event List by Day ...

Page 101: ...XNX Universal Transmitter Installation and Operation 99 Figure 189 Chronological Alarm List Figure 190 Chronological Fault list ...

Page 102: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 100 Calibration ...

Page 103: ...ing Donotusethetransmitterinoxygen enrichedatmospheres Concentrationsdisplayedwill beadverselyaffectedbyoxygendepletion Warning Takeappropriateprecautionswhenusingtoxic flammable orpressurizedcylinders WARNING Caution Thecalibrationproceduremustbeperformedonlybyqualifiedpersonnel CAUTION The default calibration values for the Calibration Required diagnostic vary based on sensor type This value can...

Page 104: ...an gas cylinder tubing magnet and calibration gas flow housing Set the flow regulator to 300 375 ml min for XNX EC sensors or 300 700 ml min for XNX mV sensors Use a compressed gas cylinder 20 9 Vol oxygen to perform the zero calibration if the sensor is located in an area containing any residual amount of the target gas If no residual gas is present background air can be used to perform the zero ...

Page 105: ...l the transmitter will display the Zero Passed screen Figure 196 Zero Calibration Passed Span Calibration If a span calibration is not required select the to skip the span calibration and return to the Calibration menu 4 When the zero calibration is completed or skipped the Span Concentration screen appears The gas concentration for the span gas calibration can be changed If the span calibration i...

Page 106: ...the Span Passed screen will appear Figure 199 Span Passed Screen If the calibration is not successful the Span Failed screen will display Selecting will return to the Span Concentration screen to begin the span calibration again Selecting will exit Span Calibration and return to the Gas Calibration Menu Arrow indicates gas value is too low Figure 200 Span Calibration Failed Once the zero gas and s...

Page 107: ... Hydrogen Sulfide Hydrogen Sulfide sensors can be affected by extreme humidity changes A sudden increase in ambient humidity can result in a short term positive drift in the instrument s reading A sudden decrease in ambient humidity can result in a short term negative drift in the instrument s reading These are most likely to be noticed during calibration with dry or cylinder gas When calibrating ...

Page 108: ... for a minimum of 5 minutes through the system before performing a span calibration 5 A flow rate of 300 to 375 ml min should be maintained throughout the calibration procedure Ethylene Oxide Caution OperationoftheEtOsensorinaconstantbackgroundofethylenemayresultinbaseline drift undertheseconditions theresponseofthesensorshouldbecheckedandcalibratedmore frequently CAUTION Caution ExposureoftheEtOs...

Page 109: ...recommends that a suitable O3 generator be used for this operation such as the ACD Genie O3 This device generates ozone at the target concentration of 0 2 ppm and maintains a regular flow rate throughout the calibration During the calibration please pay attention to the following points 1 PTFE tubing should be used to minimise the effects of coating and gas absorption during the procedure 2 Tubing...

Page 110: ...as Calibration menu If the zero calibration was successful the transmitter will display the Zero Passed screen Figure 206 Zero Calibration screens 4 Begin the span calibration by entering the concentration value of the calibration gas Select to choose the first digit Use to increase or decrease values Select to accept the value and move to the next digit Use the calibration cover Honeywell part nu...

Page 111: ...ssful the Span Failed screen will be displayed Figure 210 Span Failed screen Select to return to the Span Concentration screen to repeat the span calibration 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 If the calibration is successful the Span Passed ...

Page 112: ...pan calibrations This section describes how to calibrate MPD flammable sensors fitted to the transmitter The calibration adjustments are made on the transmitters display Gassing is performed at the sensor which may be locally or remotely located The following equipment is required Flow housing Honeywell part number 1226A0411 Test gas Regulator Note Usethezerogasandspangasataboutthesamehumidityleve...

Page 113: ...lfides chlorine lead or halogenated hydrocarbons The pellistors are poison resistant to maximize the operational life of the flammable sensor The typical operating life of the pellistor sensor used in the MPD CB1 is 60 months Cross calibration Procedure for MPD CB1 Caution Whenausercalibratesasensorusingadifferentgas theresponsibilityforidentifyingand recordingthecalibrationrestswiththeuser Refert...

Page 114: ...lier factors table Multiply the meter reading by this number to obtain the true gas concentration Multiplier Factors Sensor calibrated to detect Sensor used to detect 8 7 6 5 4 3 2 1 8 1 00 1 24 1 52 1 89 2 37 2 98 3 78 4 83 7 0 81 1 00 1 23 1 53 1 92 2 40 3 05 3 90 6 0 66 0 81 1 00 1 24 1 56 1 96 2 49 3 17 5 0 53 0 66 0 80 1 00 1 25 1 58 2 00 2 55 4 0 42 0 52 0 64 0 80 1 00 1 26 1 60 2 03 3 0 34 ...

Page 115: ...r humidity To ensure continued detection availability bump test the sensors regularly and implement an appropriate cell replacement program Functional Gas Testing Bump Testing Warning HoneywellAnalyticsrecommendsbumptestingof ClO2 Cl2 HF HCl HCN F2 andO3 sensors frequently and in accordance with customer site procedures to ensure proper operation andcompliancewiththefunctionalsafetyratingoftheinst...

Page 116: ...ompted to exit and turn alarm and fault inhibit off exit and leave the transmitter in inhibit mode or not exit Caution ExitingbeforethegaslevelhasfallenbelowthelevelofAlarm1willcausethetransmitter togointoalarm CAUTION Figure 217 Exiting the calibration procedure Calibrate mA Output Use Calibrate mA Output to adjust the milliamp output to provide the correct output levels at peripheral devices con...

Page 117: ...Strength Target Reference Value Figure 222 Align Excel Screen Align the unit using the information found in the Searchline Excel manual As the alignment is performed the transmitter display will indicate the signal strength in the form of a bar graph Align the Excel until the signal strength bar graph reaches or exceeds 1 00 as shown on the display Soft Reset Searchline Excel and Searchpoint Optim...

Page 118: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 116 Maintenance ...

Page 119: ...cally to ensure the safety and integrity of the system WARNING Caution The following procedure must be followed carefully and performed only by suitably trained personnel A fault condition will be signaled by the sensor if it is removed with the unit under power CAUTION Note If the power on self test was skipped during maintenance activities restart the transmitter NOTE MPD Sensor Cartridge Replac...

Page 120: ...or by pulling without twisting 3 Unscrew the sensor cap 4 Remove the old cell by pulling without twisting 5 Verify that the new cell is the same type as the old one 6 Plug the new cell into the sensor Align the sensor pins with the connector holes in the PCB 7 Refit the sensor into the transmitter ensuring that the pins are fully aligned before gently pushing it fully home 8 Sensor warm up will be...

Page 121: ...d 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 is the target gas of the new cartridge Enter the menu system and select Accept New Sensor Type and then calibrate the sensor as described in the Calibration Prodedure section ...

Page 122: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 120 Warnings and Faults ...

Page 123: ... fault or warning code Note 4 Check location for heat sources Fit with sunshade or other protection Change location of XNX Check temperature in Info Sensor Status to ensure temperature is being measured properly Sensor Tem perature Error ECC Non latching 2 seconds Sensor temper ature Celsius Check location for heat sources Fit with sunshade or other protection Change location of XNX Check temperat...

Page 124: ... controlled by sensor Sensor fault or warning code Note 4 Remove and return to Honeywell for repair W012 Excessive Float Optima Excel Non latching XNX polls sensor every 2 seconds diagnostic fre quency controlled by sensor Sensor fault or warning code Note 4 Check sensor location for external interference check sensor for opera tion and re zero where appropriate W013 Sensor Loop Failure Sen sor is...

Page 125: ... warning code Note 4 Check sensor connections check sensor operation fit replacement sen sor replace personalty board W019 Sensor Inter nal 5V Power Supply Defect Excel Non latching XNX polls sensor every 2 seconds diagnostic fre quency controlled by sensor Sensor fault or warning code Note 4 Remove and return to Honeywell for repair W020 Forced mA Timeout All Latching 1 second Forced mA Indicates...

Page 126: ...or fault or warning code Note 4 Check location for external interference or obstructions in the IR path Check sensor for dirty windows Check Excel alignment Check Beam Block Low Signal Percentage setting in the transmitter W024 Reflex Failure Warning ECC Latching Dependent on sensor typically 8 hours Once fault is detected every 15 minutes 0 ECC sensor is nearing end of life Replace sensor W025 Sa...

Page 127: ...least 24 hours 16 Excel beam blocked 32 Personality board error code 0 64 Option board error code 0 128 IR mA input 1 mA and 3 4 mA 256 IR mA input 1 0 mA 512 IR forced 10 mA not within 1 mA 1024 gains from PGA don t match local copy 2048 error reading or writing EEPROM 4096 ECC reflex failure 8192 RAM test failure 16384 Program memory CRC failure 32768 Op code test failure Fault 3 Event Bits 1 In...

Page 128: ...ill stop running on January 1 2036 F107 XNX Internal Fail ure RAM ROM EEPROM Opcode All Non latching ex cept for EEPROM error At power up and 8 hours Note 3 Contact Honeywell Analytics Service Department F108 XNX mA Output Loop Failure All Latching 2 seconds mA output error mea sured mA set mA Check wiring of mA output from XNX Check that switches S1 and S2 are set correctly Note that if F108 is n...

Page 129: ...tima Excel Non latching XNX polls sensor every 2 seconds diagnostic fre quency controlled by sensor Sensor fault or warn ing code Note 4 Remove and return to Honeywell for repair F117 Sensor Loop Failure Sensor is losing has lost mA output signal These are detected by Optima and Excel F161 is de tected by XNX and will usually occur before F117 Optima Excel Latching XNX polls sensor every 2 seconds...

Page 130: ...tion fit replacement sen sor replace personalty board F123 Sensor Tempera ture Error Optima Non latching Sensor fault or warn ing code Note 4 Check location for heat sources Fit with sunshade or other protection Change location of the transmitter Check temperature in Info Sensor Status to ensure temperature is being measured properly Sensor Tempera ture Error Excel Non latching XNX polls sensor ev...

Page 131: ...ote 4 Check Excel alignment Perform a zero calibration F130 Option Communi cation Failure All Non latching 2 seconds Option module ID 0 None 1 Foun dationTM Fieldbus 2 Modbus 3 Relay Check that installed option matches the option indicated in the transmit ter part number If the option has been changed the new option must be set up in Information Transmitter Data as described in the manual F133 Not...

Page 132: ...Check wiring to Optima Excel In particular check the white wire be tween XnX and Optima Excel Note power must be cycled to reset F153 after correcting the cause F154 mA Input Diagnos tic Failure Optima Excel Latching 5 minutes after power up and then every 8 hours Input mA Contact Honeywell Analytics Service Department F155 Generic mA Sensor Type Error Generic mA Non latching 2 seconds Input mA In...

Page 133: ...l Non latching 1 second Input mA Indicates mA input from Optima Excel is below 1 mA indicating a fault in the sensor Any other fault will also trigger this fault so check for addi tional faults in event history to determine specific issue If no other faults indicated check wiring between Optima Excel and XNX Also check that switches S3 and S4 are set correctly F162 Error reloading safety critical ...

Page 134: ...DAC 4 mA point is too high 4 DAC 20 mA point is too low 8 DAC 20 mA point is too high 16 ADC 4 mA point is too low 32 ADC 4 mA point is too high 64 ADC 20 mA point is too low 128 ADC 20 mA point is too high Indicates that 4 20 mA calibration failed and discarded Events history parameter indicates which calibration point has failed If 4 20 mA cali bration fails with F165 no changes take place so th...

Page 135: ...n Fault 2 Event Bits 1 CRC error in safety critical RAM block 2 Error reloading safety critical RAM block from EEPROM 4 Error loading data from Personality board 8 Excel signal level has been below the low signal level threshold for at least 24 hours 16 Excel beam blocked 32 Personality board error code 0 64 Option board error code 0 128 IR mA input 1 mA and 3 4 mA 256 IR mA input 1 0 mA 512 IR fo...

Page 136: ...mon area mV Fault Subtypes 1 I2C error reading or writing EEPROM 2 GALPAT RAM test failure 4 Program memory CRC failure 8 Opcode test failure 16 Can t adjust PGA or EEPROM value doesn t match digital pot 32 RAM safety variable failure 64 Interrupts integrity failure 128 Stack overflow underflow failure Note 6 Relay Option Board Error Status Decimal Description Relay Option Board Error Status 1 Did...

Page 137: ...s Configured Non Latching N A I026 Alarm Relays Configured Normally Energized N A Number Description Contents of Data Field I027 Alarm Relays Configured Normally De Energized N A I028 Fieldbus Address Changed New address e g 15 I029 Fieldbus Speed Changed New speed e g 19200 I030 Sensor Type Changed iCurrentCalGlobalID I031 Gas Selection Changed iCurrentCalGlobalID I032 Time For Beam Block Fault C...

Page 138: ...n seconds or 999 if large I057 Fault Set Latching I058 Fault Set Non Latching I059 LCD Heater On I060 LCD Heater Off I061 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 I069 Excel alignment started I070 Excel alignment completed ...

Page 139: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 137 Specifications ...

Page 140: ...or Installation section Unpowered battery life Real Time Clock 3 years at rated storage temperature Construction Material Marine grade aluminum alloy or SS316 5 coat painted finish Dimensions 159 x 197 x 113 8 mm 6 138 x 7 75 x 4 48 inches Weight 2 27 kg 5 lb Aluminum 5 kg 11 lb Stainless Mounting XNX Enclosure Integral Mounting Lugs for Wall or Optional Pipe Mount Optional Wall Ceiling Bracket Us...

Page 141: ...Mount Kit have been evaluated by Underwriters Laboratories UL to Canadian National Standards 3 CSA Listing is only to Class I Division 1 does not include Class II Div 1 approval 4 Peer to peer and multi drop network daisy chained HART Modbus and FOUNDATION Fieldbus configurations have not been evaluated by CSA to the requirements of CSA 22 2 No 152 for Combustible Gas Detection and may be used onl...

Page 142: ...sec 60 sec 0 to 20 C 32 to 68 F 80 to 120 KPa 5 to 95 RH 6 months XNXXSO1FM H2 S Hydrogen Sulfide XNXXSH1SS 80 kPa 120 kPa 0 6 m sec 60 sec 0 to 20 C 32 to 68 F 70 to 110 KPa 30 to 70 RH 6 months XNXXSH1FM H2 S High Hydrogen Sulfide XNXXSH2SS 80 kPa 120 kPa 0 6 m sec 60 sec 0 to 20 C 32 to 68 F 70 to 110 KPa 30 to 70 RH 6 months CO Carbon Monoxide XNXXSC1SS 80 kPa 120 kPa 0 6 m sec 60 sec 0 to 20 ...

Page 143: ...hlorine 5 0 to 20 0 ppm 5 0 ppm 5 0 ppm 2 0 ppm 90 0 3 or 20 2 ppm yr 14 F 10 C 131 F 55 C Chlorine Dioxide 1 00 ppm only 1 00 ppm n a 0 5 ppm 120 30 5 yr 4 F 20 C 131 F 55 C Nitric Oxide 100 ppm only 100 ppm n a 50 ppm 50 3 or 20 2 mo 4 F 20 C 131 F 55 C Nitrogen Dioxide 5 0 to 50 0 ppm 10 ppm 5 0 ppm 5 ppm 60 3 or 20 2 mo 4 F 20 C 131 F 55 C Hydrogen 1 000 ppm only 1 000 ppm n a 500 ppm 90 10 or...

Page 144: ...eading 20 C 68 F to 10 C 14 F 30 of reading 10 C 14F to 20 C 4 F Recalibration is recommended if the temperature of the local environment has varied by more than 30 C Notes Performance figures are measured by test units calibrated at 50 of full scale at ambient conditions of 20 C 50 RH with the EC weatherproof cover attached IP rating of FM Cartridges is IP63 Barometric pressure effects on the O2 ...

Page 145: ...n typically 10 FS or defined minimum alarm level setting whichever is greater when operated at default full scale Notes Sensor drift between LDL and negative drift fault limits typcially negative zero variation appear as 0 on the display and outputs of the device Long term drift XNXXSC1SS 5 year XNXXSO1SS 4 year XNXXSH1SS and XNXXSH2SS 2 month Performance figures are measured by test units calibra...

Page 146: ...24 Cl2 High 2 Chlorine XNXXSL1SS 5 0 to 20 0 ppm 5 0 ppm 5 0 ppm 1 0 ppm 0 6 ppm 1 0 ppm 2 0 ppm 20 30 0 2 ppm 0 2 1 ppm 10 C 14 F 55 C 131 F 15 RH 90 RH 24 ClO2 2 Chlorine dioxide XNXXSX1SS n a 1 00 ppm n a 0 10 ppm 0 03 ppm 0 05 ppm 0 5 ppm 30 120 30 0 03 0 1 ppm 20 C 4 F 55 C 131 F 15 RH 90 RH 24 NO Nitrogen monoxide XNXXSM1SS n a 100 ppm n a 10 ppm 3 ppm 5 ppm 50 ppm 15 30 2 ppm 2 0 10 ppm 20 ...

Page 147: ...anges for the EC Sensors are 40 C to 20 C Accuracy between the temperatures of 40 C and 20 C is 30 at the applied gas concentration Operating the EC Sensors at extended temperature ranges for a prolonged time period exceeding 12 hours may cause deterioration in sensor performance and shorter sensor life Barometric pressure effects on the O2 sensor The output from the O2 sensor has pressure effects...

Page 148: ...Chlorine 5 5 6 Nitrogen dioxide 5 0 9 Propan 2 ol 500 0 Methanol 500 0 Hydrogen fluoride 5 6 7 Hydrogen suflfide 25 3 6 Sulphur dioxide 50 22 4 Arsine 1 0 Phosphine 1 0 14 Diborane 1 1 3 H2 S Low Range XNXXSH3SS Ammonia 50 ppm 0 ppm H2 S Carbon Monoxide 100 2 ppm H2 S Carbon Dioxide 5000 0 ppm H2 S Chlorine 0 5 0 ppm H2 S Ethylene 100 0 ppm H2 S Hydrogen 100 0 ppm H2 S Hydrogen Sulfide 10 10 ppm H...

Page 149: ... 0 ppm H2 S Hydrogen 100 0 ppm H2 S Hydrogen Sulfide 10 10 ppm H2 S Nitrogen Monoxide 25 0 ppm H2 S Nitrogen Dioxide 3 0 ppm H2 S Sulfur Dioxide 2 0 ppm H2 S H2 S High Range XNXXSH2SS Ammonia 50 ppm 0 ppm H2 S Carbon Monoxide 100 2 ppm H2 S Carbon Dioxide 5000 0 ppm H2 S Chlorine 0 5 0 ppm H2 S Ethylene 100 0 ppm H2 S Hydrogen 100 0 ppm H2 S Hydrogen Sulfide 10 10 ppm H2 S Nitrogen Monoxide 25 0 p...

Page 150: ... 200 0 ppm CO Nitrogen Monoxide 50 8 ppm CO Nitrogen Dioxide 800 20 ppm CO Sulfur Dioxide 50 0 5 ppm CO SO2 XNXXSS1SS Carbon Monoxide 300 ppm 3 ppm SO2 Hydrogen Sulfide 15 0 ppm SO2 Nitrogen Monoxide 35 0 ppm SO2 Nitrogen Dioxide 5 5 ppm SO2 SO2 XNXXSS2SS Carbon Monoxide 300 ppm 3 ppm SO2 Hydrogen Sulfide 15 0 ppm SO2 Nitrogen Monoxide 35 0 ppm SO2 Nitrogen Dioxide 5 5 ppm SO2 NH3 XNXXSA1SS Alcoho...

Page 151: ...l2 Nitrogen Dioxide 50 1 25 transient ppm Cl2 Sulfur Dioxide 50 9 1 ppm Cl2 Cl2 High Range XNXXSL1SS Carbon Dioxide 20000 ppm 0 ppm Cl2 Hydrogen Chloride 9 1 25 ppm Cl2 Hydrogen Sulfide 25 16 3 ppm Cl2 Nitrogen Dioxide 50 1 25 transient ppm Cl2 Sulfur Dioxide 50 9 1 ppm Cl2 ClO2 XNXXSX1SS Refer To Cl2 Refer to Cl2 Refer to Cl2 Refer to Cl2 Refer to Cl2 NO XNXXSM1SS Carbon Monoxide 300 ppm 0 ppm NO...

Page 152: ...m H2 Hydrogen Cyanide 10 3 ppm H2 Hydrogen Chloride 5 0 ppm H2 Ethylene 100 80 ppm H2 H2 High Range XNXXSG2SS Ammonia 100 ppm 0 ppm H2 Arsine 0 2 ppm 0 ppm H2 Carbon Dioxide 1000 ppm 0 ppm H2 Carbon Monoxide 100 ppm 150 ppm H2 Chlorine 1 ppm 0 ppm H2 Ethylene 500 ppm yes n d ppm H2 Hydrogen Cyanide 20 ppm 0 ppm H2 Hydrogen Sulfide 20 ppm 4 ppm H2 Iso Propanol 1100 ppm yes n d ppm H2 Methane 1 0 pp...

Page 153: ... 50 ppm 28 3 ppm HF Arsine 1 ppm 0 ppm HF Phosphine 1 ppm 0 14 ppm HF Diborane 1 ppm 1 3 ppm HF PH3 XNXXSP1SS Carbon Monoxide 2000 ppm 10 ppm PH3 Hydrogen 5000 ppm 10 ppm PH3 Chlorine 1 ppm 70 ppm PH3 Nitrogen Dioxide 8 ppm 860 ppm PH3 Ethanol 2000 ppm 10 ppm PH3 Iso Propanol 1000 ppm 10 ppm PH3 Hydrogen Chloride 10 ppm 10 ppm PH3 Hydrogen Fluoride 10 ppm 10 ppm PH3 Hydrogen Sulfide 0 5 ppm 70 ppm...

Page 154: ... HCN 28 x 0 ppm HCN 20 x 10 ppm HCN NXXSU1SS Carbon Dioxide 20000 ppm 0 ppm F2 ppm ppm 1 25 ppm F2 16 3 ppm F2 1 25 transient ppm F2 9 1 ppm F2 Sulphur Dioxide EtO XNXXSE1SS 20 of EtO 10 of EtO 40 of EtO NXXSZ1SS ppm ppm ppm ppm 1 2 ppm O3 0 ppm O3 0 ppm O3 6 ppm O3 0 ppm O3 yes n d ppm O3 0 ppm O3 3 ppm O3 1 5 ppm O3 Gas Type Part Number Gas Type Applied Concentration Unit Reading Unit F2 X O3 X ...

Page 155: ...However these are some common substances which must be avoided Airborne greases These may block gas access into the sensors and therefore reduce sensitivity Silicone compounds These are often found in sprays aerosols lubricants polishes adhesives sealants zebra strip cleaning agents and floor waxes These compounds tend to reduce the sensitivity of the sensors and generally will have a permanent ef...

Page 156: ...nse times may vary depending upon molecular weight size and structure CSA approved hydrogen sensors are MPDUT CB1 and 705 STD DEKRA EXAM approved sensors are MPDAM CB1 SP HT and SP PPM 10 L Data taken at 20 25 C Contact Honeywell Analytics for additional data or details Response times may increase at lower temperatures Data represents typical values without optional accessories attached System con...

Page 157: ...T Standard Test Gas l l Other Gases l l n nonane Max Zero Deviation see note 1 7 LEL 9 LEL 7 LEL LDL see note 2 3 LEL 5 LEL 3 LEL SP PPM 10 L 10 LEL Notes 1 Readings 0 LEL are not displayed or indicated on the 20 mA output Values exceeding the zero deviation limit will result in F111 faults 2 Readings LDL are shown as 0 on the display and 20 mA output Other Sensor Performance Data Performance data...

Page 158: ...A N A T T T T T T T T T UL 913 7th Edition N A N A N A N A N A N A N A N A N A N A N A T T T T T N A N A T N A ISA 60079 29 1 N A T N A T N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A CSA Hazardous Location CAN CSA C22 2 No 30 M 1986 T T T T N A N A T T N A N A N A T T T T T T T T N A CAN CSA C22 2 No 157 92 Applies to Local HART Option and or EC Adaptors N A N A N A N A N A N A ...

Page 159: ...cover the remote mounting of the sensor from the XNX XNX shall be installed such that the MPD sensor faces downwards When using the Searchpoint Optima Plus sensor this must be mounted so that the sensor is horizontal For the ISA 60079 29 1 assessment only the 4 to 20 mA output is considered as the safety function None of the other outputs of the XNX are considered as the safety function during thi...

Page 160: ...ompliance EMC Directive 2014 30 EU M M M M M M M M M M M M M M M M M M M M M M EN 50270 2015 B B B B B B B B B B B B B B B B B B B B B B ATEX Directive 2014 34 EU M M M M M M M M M M M M M M M M M M M M M M Hazardous Location ATEX DEMKO IECEx EN IEC 60079 0 2018 M M M M M M M N A M M M M M M M M M M M M M M EN 60079 1 2014 M M M M M M M N A M M M M M M M M M M M M M M EN 60079 11 2012 N A N A N A ...

Page 161: ... A N A N A N A N A M M N A EN 45544 1999 N A N A N A N A N A N A N A N A N A N A N A N A M M M N A N A N A M M N A EN 50104 2010 N A N A N A N A N A N A N A N A N A N A N A M N A N A N A N A N A N A M M N A EN 50271 2010 N A M N A M N A N A N A N A N A N A M M M M M N A N A N A M M N A TÜV Rhineland IEC61508 B B B B B B B B B B B B B B B B B N A N A N A N A EN 50402 B B B B B B B B B B B B B B B B...

Page 162: ...T T T T T T T T T T T UL 913 7th Edition Applies to Local HART Option N A N A N A N A N A N A N A N A T T T T T N A N A T N A INMETRO TÜV Rheinland ABNT NBR IEC 60079 0 2013 B B B B B B B B B B B B B B B B B ABNT NBR IEC 60079 1 2016 B B B B B B B B B B B B B B B B B ABNT NBR IEC 60079 11 2013 N A N A N A N A N A N A N A N A B B B B B N A N A B N A ABNT NBR IEC 60079 31 2014 B B B B B B B B B B B ...

Page 163: ...I ISA 60079 29 1 5 04 22 19 RA Chris Update of Inmetro marking Addition of ANSI ISA 60079 29 1 and re layout 6 08 06 19 RA Chris Class I Div 1 Group A B C D for UL and CSA 6 E186567 Gas Detector for Use In Hazardous Locations XNX Universal Transmitter for use in Class I Div 1 Groups A B C D Figure 229 XNX UT configuration ...

Page 164: ... configuration 11 12 02 18 19 Change QAR QAN agency number 1180 to 0598 RA Chris Kim 13 07 08 19 Add Korean Ex marking RA Chris Kim 03 05 18 Addition of Korean manufacturing location Engraved with a K when manufactured in Korea 0598 13 DNV 18 0166X 19 KA4BO 0168X ...

Page 165: ...of both the transmitter and the MPD sensor meet the requirements of the installation XNX Agency approval and thread type Enclosure material Sensor personality Interface options Local HART Sensor and range AM ATEX IEC M25 UT UL CSA 3 4 NPT BT INMETRO 3 4 NPT or M25 A Aluminum S Painted Stainless Steel E Electromechanical I Infrared V Millivolt N None R Relay M Modbus F Foundation Fieldbus N None H ...

Page 166: ...A 300 ppm NH3 10 Cl2 Chlorine XNXXSL2SS 5 00 ppm N A N A 5 00 ppm 2 to 3 ppm GFV251 2 ppm Cl2 11 Cl2 Chlorine High Range XNXXSL1SS 20 0 ppm 5 0 to 20 0 ppm 5 0 ppm 5 0 ppm 2 to 14 ppm GFV251 2 ppm Cl2 12 ClO2 Chlorine Dioxide XNXXSX1SS 1 00 ppm N A N A 1 00 ppm 0 3 to 0 7 ppm Gas Generator 0 5 ppm 13 NO Nitrogen Monoxide XNXXSM1SS 100 ppm N A N A 100 ppm 30 to 70 ppm GFV216 50 ppm NO 14 NO2 Nitrog...

Page 167: ...Sulfur Dioxide High Range XNXXSS2SS S3KA1SS NH3 Ammonia XNXXSA1SS S3KA2SS NH3 Ammonia High Range XNXXSA2SS S3KL1SS Cl2 Chlorine XNXXSL2SS S3KL1SS Cl2 Chlorine High Range XNXXSL1SS S3KX1SS ClO2 Chlorine Dioxide XNXXSX1SS S3KM1SS NO Nitrogen Monoxide XNXXSM1SS S3KN1SS NO2 Nitrogen Dioxide XNXXSN1SS S3KG1SS H2 Hydrogen Low Range XNXXSG1SS S3KG2SS H2 Hydrogen High Range XNXXSG2SS S3KR1SS HCl Hydrogen ...

Page 168: ...299 80 110 0 95 0 6 5 00 Vol 1 00 to 5 00 Vol 1 00 Vol 5 00 Vol 1 50 to 3 5 Vol GFV352 2 5 VOL CH4 in Air Methane 1226 0299 80 110 0 95 0 6 100 LEL 1 00 to 5 00 Vol 1 00 Vol 5 00 Vol 1 50 to 3 5 Vol GFV352 2 5 VOL CH4 in Air MPD IF1 Flammables 1226 0300 80 110 0 95 0 6 100 LEL 20 to 100 LEL3 10 LEL 100 LEL 30 to 70 LEL GFV406 1 VOL C3 H8 in Air MPD CB1 Flammables 1226A0359 80 120 see footnote 5 0 ...

Page 169: ...minal box It cannot be extended or spliced Ceiling Mount Bracket Kit 1226A0355 The optional Ceiling Mount Bracket Kit allows the XNX to be mounted to the ceiling The kit includes two stainless steel ceiling mount brackets and the necessary bolts and nuts Duct Mount Kit S3KDMK The duct mounting kit S3KDMK can be used with the EC sensor to allow detection of O2 CO H2 and H2S gases in ducts When comb...

Page 170: ...ons Collecting Cone S3KCC XNX EC The collecting cone improves detection of lighter than air gases such as hydrogen and methane 02000 A 1642 MPD 02000 A 1642 Sensepoint 02000 A 1642 705 Remote Gassing Kit 1226A0354 The Remote Gassing Kit enables gas to be applied remotely for performing functional response checks The kit Includes 50 Teflon tubing the mounting bracket thetube cap and device adaptors...

Page 171: ...Transmitter only Replacement Cover O ring 0235 1266 Replacement O ring for the XNX front cover 1 2 3 4 5 6 7 8 9 Pluggable Terminal Blocks 1226A0302 Terminal Block Ass y 6 Pin XNX EC 1226A0304 Terminal Block Ass y 9 Pin XNX mV 1226A0305 IR Terminal Block Kit Includes 9 Pin and 2 Pin Terminal Blocks 1226A0306 Relay Terminal Block Kit Includes 9 Pin and 2 Pin Terminal Blocks 1226A0307 Terminal Block...

Page 172: ...OUNDATION Fieldbus XNX Sunshade 94000 A 1006 For use in high heat and or direct sunlight environments The sunshade can be 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 Weather Housing 02000 A 1640 For use with Sensepoint combustible sensor products ...

Page 173: ...y 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: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 172 Control Drawings ...

Page 175: ...XNX Universal Transmitter Control Drawings 173 XNX UL CSA FM ATEX IECEx INMETRO RUSSIA Remark XNX requires isolated power supply which is suitably approved for the region ...

Page 176: ...XNX Universal Transmitter Control Drawings 174 Remark XNX requires isolated power supply which is suitably approved for the region ...

Page 177: ...XNX Universal Transmitter Control Drawings 175 ...

Page 178: ... Range 40 C to 65 C 40 F to 149 F when contain Hart I S barrier or EC I S barrier Otherwise 55 C to 65 C 67 F to 149 F NEMA 4X IP66 Ta 40 C to 65 C 40 C to 65 C IP66 60 C to 65 C IP66 T Code T6 Default T4 T6 Default The rating of the XNX will default the lowest T Code of any accessory connected to it within the hazardous area Some common accessories have T codes as follows examples only follow cer...

Page 179: ...XNX Universal Transmitter Control Drawings 177 Remote Sensor Mount ...

Page 180: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 178 HART Protocol ...

Page 181: ...itter can also be disabled to facilitate construction of multidrop all digital HART networks If HART is not needed the unit can be used as a 4 20 mA transmitter Since the transmitter is a slave the internal modem will remain silent if no master signal is present Additionally the HART signal is at too high a frequency 1200 Hz to interfere with analog control equipment Another novel feature of HART ...

Page 182: ...e Thus transferring the HART signal requires a certain minimum loop resistance between the slave and a low impedance power supply Normally this resistance is supplied by the control system and need not be explicitly added However special treatment is needed when the mA current output is not used and the local HART interface is needed An installer might choose to communicate using relays Modbus or ...

Page 183: ...r S1 and S2 20mA Output Jumper Switch mV Sensor Type Catalytic Bead MPD w IR MPD 705 705HT S point S point HT S point PPM IR 5 IR Flam CO2 CH4 TB 1 Desc Wire Color from Sensor 1 24v See 4 20 mA Output Common Connections and Power Settings 2 3 Gnd 4 5 20mA 6 20mA 7 Sense Brown Red Brown 8 0v White Green White 9 Ref Blue Blue Blue Internal Ground 1 2 3 4 5 6 7 8 9 510 Ohm Resistor Warning Power off ...

Page 184: ...1 4 mA 1 5 mA 1 6 S1 S1 Source Sink Isolated S2 S2 V 1 1 EC TB 1 4 20mA HART 16 32 VDC 6 2W max 1 2 V 1 3 1 4 mA 1 5 mA 1 6 S1 S1 Source Sink Isolated S2 S2 V 1 1 EC TB 1 4 20mA HART 16 32 VDC 6 2W max 1 2 V 1 3 1 4 mA 1 5 mA 1 6 250 Ω minimum XNX Address 1 XNX Address 2 XNX Address 7 HART Handheld Communicator NOTE Only addresses greater than 0 are valid for multidrop HART networks Other loop pow...

Page 185: ...4 mA 1 5 mA 1 6 S1 S1 Source Sink Isolated S2 S2 V 1 1 EC TB 1 4 20mA HART 16 32 VDC 6 2W max 1 2 V 1 3 1 4 mA 1 5 mA 1 6 250 Ω minimum XNX Address 1 XNX Address 2 XNX Address 7 Emerson Field Communicator NOTE Only addresses greater than 0 are valid for multidrop HART networks Other loop powered HART devices S1 S1 Source Sink Isolated S2 S2 V 1 1 1 6 24 VDC External HART Automation Equipment Figur...

Page 186: ...1 5 mA 1 6 S1 S1 Source Sink Isolated S2 S2 V 1 1 EC TB 1 4 20mA HART 16 32 VDC 6 2W max 1 2 V 1 3 1 4 mA 1 5 mA 1 6 250 Ω minimum XNX Address 1 XNX Address 2 XNX Address 7 HART Handheld Communicator NOTE Only addresses greater than 0 are valid for multidrop HART networks Other loop powered HART devices S1 S1 Source Sink Isolated S2 S2 V 1 1 1 6 External HART Automation Equipment 24 VDC 24 VDC Fig...

Page 187: ...h the transmitter Warning After changing parameters with a handheld device verify that the parameter settings are correct at the transmitter WARNING The following screens show some of the features of these two interfaces for the transmitter Figure 237 Presentation of XNX data by DevComm2000 Figure 238 XNX data displayed on an Emerson field communicator Security level 1 is required to select the di...

Page 188: ...or Type 2 Set mV Sensor Type 2 Beam Block Options 2 Set mA Sensor Type 2 Path Length 2 Gas Selection 2 Unit ID 2 Range Alarms 2 Relay Options 2 Latching Non latching 2 Fieldbus Options 2 Set Units 2 Configure Security 2 mA Levels 2 Functions Configuration Summary All of the HART status information can be extracted from the transmitter as a PDF or text file This includes voltages signal strengths a...

Page 189: ...ord of alarms warnings and faults Additionally over sixty types of informational events are defined to record important transactions such as recalibrations or configuration changes One thousand records are maintained and every event has a timestamp Figure 241 HART event history display Test The test menu provides methods for inhibiting the output exercising the analog output or simulating alarms o...

Page 190: ... alignment The gas calibrate operation is shown below Figure 243 Gas calibrate method Caution Donotbackoutofamenuselectionwhileacalibrationisinprogress CAUTION Configuration All user settings of the transmitter can be made either at the local user interface or over HART The configuration menu facilitates convenient setup of alarm levels as shown in Figure 244 Methods are also provided to set time ...

Page 191: ... g 0 e as name e g Methane LEL f XNX ID e g South tower 5 Display optical performance a Signal strength e g 0 96 b Ref Sig Strength e g 1 12 c Sam Sig Strength e g 1 06 d Baseline e g 0 92 e Dynamic Reserve e g 96 f Window temp e g 28 degC 6 Display mA settings a Overrange current mA e g 21 b Warning current e g 3 c Inhibit current e g 2 mA 7 Display alarm settings a PV URV e g 100 000 LEL b PV UR...

Page 192: ...condition 2 Device information 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 7 PV range e g 0 00 8 PV Xfer fnctn e g linear 9 PV e g 4 000 mA PV alrm typ e g none Tag e g S tower Long tag Descriptor e g South tower Message e g Cracking tower Final asmbly num e g 0 Dev id e g 1081234 Universal rev e g ...

Page 193: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 191 Modbus Protocol ...

Page 194: ...installations the transmitter reads only the first five registers four data The assignment of the first eight registers or six data is identical to the Honeywell Analytics XCD gas sensor Building an effective Modbus automatic gas detection system requires checking for faults using iFaultWarnNumber or iAlmFltLev and checking iMonitoringState to confirm that the transmitter is not inhibited or in ca...

Page 195: ...nsmitter Modbus Protocol 193 Use shorting jumper supplied to maintain connection during service 3 5 3 4 3 3 3 2 3 1 3 6 3 7 3 8 3 9 A S5 EOL Term A B B S TB 3 Modbus In Out R 120Ω T 3 10 S Figure 246 Modbus connections ...

Page 196: ... is forced to zero during inhibit mode 40005 int16 iFaultWarnNumber This is the integer representation of the fault status If any fault exists this will take a value in the range 1000 to 1999 Otherwise if any warning exists this will take a value in the range 1 to 999 Normally this has the value zero For example if the transmitter s temperature is out of range this will take the value 1103 40006 i...

Page 197: ...in post zero calibration successful in post span calibration successful in post zero calibration failed in post span calibration failed in align Excel mode for future expansion 40008 int16 iHeartBeat This Heartbeat is provided to facilitate detection of communications problems in programming environments where the transport layer communication error information is unavailable This increments appro...

Page 198: ...e of the window 40016 int8 iTransTemp Temperature of the transmitter in Celcius 40017 int8 iSensorTemp Temperature of the sensor Optima Excel ECC etc 40018 to 40026 string 18 strTransmitterID User configured transmitter name 40027 to 40035 string 18 sDateTime Format is mm dd yy hh mm ss Month and day inverted if so configured 40036 int8 iSensorType The meaning of this datum is as enumerated below ...

Page 199: ...tage on a nominal 5 0 volt supply in the transmitter personality board in millivolts 40044 int16 iSensVoltage24000 The voltage supplied to an Optima or Excel sensor at the nominal 24 0 volt input in millivolts 40045 int16 iSensVoltage_5000 The voltage on a nominal 5 0 volt supply in Optima or Excel in millivolts 40046 to 40079 Contact HA for details 40080 to 40081 int32 iTransSn Serial number of X...

Page 200: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 198 Warranty ...

Page 201: ...nd as soon as reasonably possible after a defect is discovered If a Warranty claim is being sought it is the responsibility of the buyer to obtain a Service Event number SE from HA and if practical return the product clearly marked with the SE and a full description of the fault 3 HA at its sole discretion may elect to send replacement goods to buyer prior to receipt of the defective goods Buyer a...

Page 202: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 200 Index ...

Page 203: ... cover 15 cross interferents 145 D daisy chain 34 date 63 88 dimensions 131 duct mount kit 19 158 E easy reset 83 EC See electrochemical sensor electrochemical sensor 43 cartridge replacing with different type 106 cartridge replacing with same type 105 cell 111 installation 43 operational life 105 enclosure aluminum 14 stainless steel 14 event history 88 92 Excel aligning 107 F fieldbus options 82...

Page 204: ...ering information 158 organic vapors 145 O ring front cover 160 P part numbers 88 158 161 parts list 158 passcode screens 84 personality board 38 41 electrochemical 42 IR 49 51 mV 45 46 personality options and display POD 15 pipe mount kit 17 158 POD See personality op tions and display point to point mode 55 power consumption 131 pressure barometric 135 136 138 operating 133 product description 1...

Page 205: ... menu 84 time 24 64 88 transmitter configuring 62 data 88 information displaying 23 status 88 89 testing 24 U units name changing 67 units setting 75 user interface 131 W warm up time 133 Warnings 6 Warnings and Faults 113 129 Warranty 191 192 weatherproof cap 18 159 weather protector 18 159 weight 131 wiring sink 40 50 175 source 40 50 176 isolated 40 177 Z zero calibration 96 97 99 102 ...

Page 206: ...This page is intentionally left blank ...

Page 207: ...lanalytics com Contact Honeywell Analytics Europe Middle East Africa India Life Safety Distribution GmbH Javastrasse 2 8604 Hegnau Switzerland Tel 41 0 44 943 4300 Fax 41 0 44 943 4398 India Tel 91 124 4752700 gasdetection honeywell com Americas Honeywell Analytics Inc 405 Barclay Blvd Lincolnshire IL 60069 USA Tel 1 847 955 8200 Toll free 1 800 538 0363 Fax 1 847 955 8210 detectgas honeywell com ...

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