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1. TX6400 Sentrum Contents 1 Principle of Operation 4 2 Application 5 2 System Overview 5 2 1 1 Gas Detection 6 2 1 2 Flow Monitoring 7 2 1 3 Control and Data Collection 7 2 1 4 Sentrum System Block Diagram 8 3 Technical Details 9 3 1 IX6400 Sentrum Methane Recovery Monitoring System 9 3 1 1 Monitors 9 3 1 2 Specification 3 2 X6363 Infrared Methane Sensor 11 3 2 1 Features 11 3 2 2 Specification 11 3 9 1TX6363 Infrared Carbon Dioxide Sensor 12 3 3 1 Features 12 3 3 2 Specification 12 3 4 TX6373 Oxygen Sensor 12 3 4 1 Features 12 3 4 2 Specification 12 3 5 P555713 Mass Flow System 13 3 5 1 Features p 3 5 2 Specification 13 3 6 P555710 Dual Pump Controller 13 3 6 1 Features 5 4 Installation 14 www trolex com TX6400 User Manual 4 1 Main Enclosure 4 2 Transport Pipe Preparation 4 3 Gas Monitoring System 44 Flow Monitoring System 4 5 Power Supply 5 Commissioning 5 1 TheTX9042 Programmable sensor Controller 5 1 1 TX9042 Signal Display 5 2 IX9042 Main Methane Drainage Monitor Setup 5 3 Resetting the Accumulated Mass Totals 5 4 Taking a Gas Sample for Analysis 5 5 Updating the Analysis Values 5 6 Mass Flow Setup 5 Flow Monitoring 5 8 Gas Monitoring 6 Operation and Maintenance 6 1 Monitoring Accuracy 6 2 Water Filter 6 3 Pump Maintenance 7 Modbus Address Registers 8 TX9042 Display Formats Disclaimers Trademarks Contact Details Document History2. Methane Analysis Absorbance Analysed head absorbance Transformation coefficient Stored Transmitted C1 U C methane at analysis time Analysis Interval Volume Flow Units Standard Temperature K www trolex com TX6400 User Manual Data Type float float float float float float float float word word word word float float float float float float float float float float float float word word float Unit See Note 1 m sec 96 VN 96 VN See Note 1 906 V N mm g mol g mol mbar 906 v v 906 V N 906 V N 96 v v 906 v v 96 v v months K TX6400 UM EN 01 29 TROLEX lt Modbus Ls Address Data Data Type Unit 40267 68 Standard pressure float kpa Note 1 Modbus address 40264 sets the units O l sec es 2 nenne 3 m3 sec 4 CFM imperial 30 TX6400 UM EN 01 www trolex com TX6400 User Manual 8 TX9042 Display Formats Channel Inputs Channel Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 Description Methane uncorrected Gas velocity Gas temperature Line pressure Oxygen Carbon dioxide Methane leakage Flow switch Channel Displays Channel Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 Value Methane corrected Actual volume flow Actual pure methane flow Instantaneous methane mass flow Oxygen Normalised Volume Flow Normalised Pure
3. Process monitoring point 16 TX6400 UM EN 01 www trolex com TX6400 User Manual 4 4 Flow Monitoring System 1 Connect the supplied hoses to the two orifice plate fittings taking note of which Is connected to Hi and which is connected to Lo 2 Connect the free end of the hoses to the corresponding staple lock fitting on the side of the main enclosure Hi to FLOW Hi and Lo to FLOW Lo 3 Connect the temperature probe cables to the appropriate terminals in the main enclosure as indicated on the supplied system drawings 4 5 Power Supply 1 Remove the fuse from terminal F1 and connect a 12 V dc intrinsically safe power supply to terminals F1 and L 1 Flow monitoring ports www trolex com TX6400 UM EN 01 17 TROLEZ 5 Commissioning This procedure assumes that the methane extraction process is running and methane is being transported through the methane pipe network Before fuse F1 is fitted ensure that All electrical connections are secure All pneumatic connections are secure The cover on the gas sample chamber is secure The valve on the flow regulator is fully open Both switches on the dual pump controller are set to off The tap on the water filter is closed OORWN gt Please note that the differential pressure sensor has been factory configured to the information available at the time of manufacture If the conditions have changed then it will be necessary to reconfigure the differential pressure s
4. TX6400 UM EN 01 14 15 16 17 17 18 20 20 21 22 22 23 23 25 25 26 26 27 28 31 33 33 33 33 3 TROLEX lt 1 Principle of Operation RS485 Modbus output signal to transmit live data and interface with TX6400 surface control room SCADA system The Trolex TX6400 Sentrum Monitoring System is designed to provide the complete solution for Methane Recovery Monitoring applications Using proven technology the 1X6400 was developed to measure methane at source and at strategic points throughout the methane pipe network 4 TX6400 UM EN 01 www trolex com TX6400 User Manual Complex algorithms are used to correct for the effects of non methane hydrocarbon cross sensitivity together with mass flow calculations providing all the required information in one package to monitor the efficiency of the methane recovery system allowing purity problems to be resolved quickly thus improving safety and methane capture oimple plug in connections for monitoring allow for easy installation and maintenance Using RS485 Modbus communication protocol live data can be transmitted to the surface control room SCADA for continuous real time monitoring and data logging 2 Application e Coal Mine Methane Extraction e Coal Bed Methane Extraction e Abandoned Mine Methane Extraction e Gas to Energy Projects e Clean Development Mechanism CDM Projects e Methane Purity Monitoring e Underground monitoring at coal face
5. 96v v Channel 6 Carbon dioxide v v Channel 7 Methane leakage v v Channel 8 Flow switch status To return to the Signal Display Screen pressing the Escape key 5 2 1X9042 Main Methane Drainage Monitor Setup The configuration setting for the Methane Drainage Monitor MDM functions of the TX9042 are accessible trom the MDM Setup menu 1 Using the navigation keys on the 1X9042 navigate to the main menu and scroll down to the bottom of this menu to the MDM Setup 2 Press the Confirm key to enter MDM Setup The following functions are available trom this menu TX6400 UM EN 01 21 TROLEX lt 5 3 Resetting the Accumulated Mass Totals Selecting and confirming the Reset option will reset the accumulated mass totals displayed on the main signal display screen 5 4 Taking a Gas Sample for Analysis For Sentrum to accurately track the fluctuating methane concentration in the gas transport pipe it needs to acquire knowledge about the Gas Signature of the installation This information is derived from gas chromatograph analysis of a gas sample collected from the installation To collect a sample of gas for analysis the following procedure must be followed 1 Physically extract the sample of gas from the main line extraction point 2 hen enter the MDM Setup menu and confirm that the sample has been taken 3 Selecting and confirming the Sample Taken option will save the uncorrected methane sensor
6. I B flow sensor j P j P o i Q a Interface Methane leak Gas sample flow Gas terminals detector regulator monitor sample conditioning 10 TX6400 UM EN 01 www trolex com TX6400 User Manual 3 2 TX6363 Infrared Methane Sensor 3 2 1 Features Poison resistant infrared sensor Pre calibrated plug in sensing module for convenient replacement and servicing Calibrated to allow over range conditions caused by non methane hydrocarbons NMHCs Intrinsically safe for use in Group and Group ll hazardous areas 3 2 2 Specification Sensing range O to 100 vol methane Ambient temperature limits 10 C to 44 C Maximum drift 0 05 month Repeatability zz 17 Response time T90 20 secs Sensing element life 2 years www trolex com TX6400 UM EN 01 11 TROLEX lt 3 3 TX6363 Infrared Carbon Dioxide Sensor 3 3 1 Features e Poison resistant infrared sensor e Pre calibrated plug in sensing module for convenient replacement and servicing e Integral sensors for improved temperature and pressure compensation e Intrinsically safe for use in Group and Group ll hazardous areas 3 3 2 Specification Sensing range O to 10096 vol carbon dioxide Ambient temperature limits 10 C to 44 C Maximum drift 0 01 month Repeatability 085 Response time T90 20 secs Sensing element life gt 2 years 3 4 TX6373 Oxygen Sensor 3 4 1 Features e High Accuracy electrochemical sensing elements e Pre calibrated plug in gas sensing mo
7. 00 mA has been achieved save this data to the DP sensor disconnect the Hart Protocol Communicator and reconnect the pneumatic hoses 5 Channels 2 3 5 and 6 will now be displaying expected values 5 8 Gas Monitoring The TX6373 oxygen sensor and 1X6363 carbon dioxide sensors will be factory calibrated and will not require any initial setting up on site The oxygen sensor will require periodic calibration and will require cell replacement after approximately one year Refer to the 1X6373 Installation and Operating Data manual for further information TX6400 UM EN 01 2b TROLEX lt 6 Operation and Maintenance 6 1 Monitoring Accuracy To ensure the Methane Monitor is accurate the system will require regular Gas Chromatograph Analysis for comparison The frequency of the Gas Chromatograph Analysis is determined by the stability of the gas composition Adjusting the hydrocarbon parameters as described in section 5 1 will ensure system accuracy 6 2 Water Filter The water filter will remove water from the gas as it flows to the gas sample chamber The rate at which the filter bowl will start to fill with water depends on how wet the gas is The bowl will need emptying before it is full to stop water entering the flow regulator 1 Switch the sample pump off 2 Close the flow regulator valve fully 3 Close the tap connected to the Sample Gas In pipe 4 Remove the pipe from the tap 5 he vacuum in the water f
8. Controller is lit 10 Switch pump 1 on Ensure the LED for pump 1 is green the R4 LED on the Programmable Sensor Controller has extinguished and the volume flow is between 1 lpm and 3 lpm The system is now pumping gas across the gas Sensors 11 To let the sensors stabilise it is recommended that the system be allowed to settle for 2 hours www trolex com TX6400 UM EN 01 19 TROLEX lt 5 1 The TX9042 Programmable Sensor Controller The information below is in addition to the information found in the TX9042 Installation and Operating Data IOD 5 1 1 TX9042 Signal Display The Main Signal display screen replaces the standard signal display described in section 9 2 of the TX9042 IOD This screen displays the following information Channel 1 Corrected methane concentration v v Channel 2 Gas volume flow l s Channel 3 Methane volume flow l s Channel 4 Methane mass flow kg s Channel 5 Oxygen 96v v Channel 6 Normalised gas volume flow l s Channel 7 Normalised methane volume flow l s Channel 8 Accumulated total gas mass tonnes 20 TX6400 UM EN 01 www trolex com www trolex com TX6400 User Manual Use the Cursor to select a channel number press the Confirm key and the display will change to show the following detailed information Channel 1 Uncorrected methane concentration 96v v Channel 2 Gas velocity I s Channel 3 Gas temperature C Channel 4 Line pressure kpa Channel 5 Oxygen
9. Methane Flow Accumulative Methane Mass Flow www trolex com Units O to 100 v v O to 20 m sec 20 to 80 C O to 200 kpa abs 0 to 215 VN O0 to 10 v v O to 100 v v Flow No flow Units O to 10096 v v O to 99999 l sec O to 99999 l sec 0 00 Kg s sec O to 2596 v v O to 99999 l sec O to 99999 l sec Io SES tonnes Hardware 4 to 20 mA or 0 4 to2V 4 to 20 mA rar ee 4 to 20 mA or 0 4 to2V 4 to 20 mA or 0 4 to2V 4 to 20 mA or 0 4 to2V 4 to 20 mA or 0 4 to2V Digital Input 1 Derived From Result of Methane correction algorithm vol methane Channel 2 input plus user configurable pipe diameter Channel 1 display and Channel 2 Display Output from Mass Flow Algorithm As per Standard T X9042 Channel 2 display plus Normalising Calculations Channel 3 display plus Normalising Calculations Output from Mass Flow Algorithm TX6400 UM EN 01 31 TROLEX lt Individual Channel Displays from the front screen press right navigation key Channel Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 Value Methane uncorrected Gas velocity Gas temperature Line pressure Oxygen Carbon dioxide Methane leakage Flow switch Information that is Data Logged Boos Ol Bes CO BA 32 Description Methane uncorrected Gas velocity Gas temperature Line pressure Oxygen Carbon dioxide Pure methane Flow switch TX6400 UM EN 01
10. boreholes e Underground monitoring at strategic points along the methane pipe network e Monitoring the methane purity and gas flow either before or after the surface methane extraction pump Group 1 Supply Voltage TX6400 12 vide 2 1 System Overview The system will monitor the quality and quantity of methane being extracted A Gas Chromatograph Analysis of the gas to be monitored will be required before commissioning The results from the Gas Chromatograph Analysis are entered in the TX9042 Programmable Sensor Controller These values can be adjusted as gas concentrations change over time Regular Gas Chromatograph Analysis will be required to verify system accuracy and enable gas composition adjustment Sensor recalibration will be required on a six monthly basis Refer to the individual sensor User Manuals and Product Data Sheets for specific information on the sensors www trolex com TX6400 UM EN 01 5 TROLEZ 2 1 1 Gas Detection Gas travelling along a transport pipe prior to being used destroyed or stored will be sampled using infrared gas sensing equipment Using mathematical algorithms the methane purity will be calculated and displayed on the 1X9042 Programmable sensor Controller The values displayed will be corrected for the effects of non methane hydrocarbons ethane propane and butane The gas will pass through a drying process to remove moisture prior to being sampled Pressure and flow regulating equipment in conjun
11. their accuracy it is important that the TX9042 is configured with the correct system parameters 1 Enter the system pipe diameter 2 he gas parameter is the molecular weight of the target gas This is defaulted to methane at 16 04 g mol 3 The balance gas molecular weight is entered in most gases this will be Air at 28 96 g mol 4 The units parameter allows the user to select imperial or metric units 5 he Methane correction can be enabled or disabled via the correction parameter This can be useful during commissioning but should normally be set to On 6 he Calib CH1 parameter allows the user to calibrate channel 1 This is an advanced function used during commissioning and should not be adjusted by the user 7 Head Output is used during commissioning only 24 TX6400 UM EN 01 www trolex com www trolex com TX6400 User Manual 5 7 Flow Monitoring When the system is securely mounted checks need to be made to ensure the flow monitoring system Is at zero when there is no flow in the transport pipe 1 Switch on the previously installed Hart Protocol Communicator see section 5 2 Temporarily disconnect the FLOW Hi and FLOW Lo pneumatic hoses from the enclosure staple lock fittings 3 Using the Hart Protocol Communicator adjust the analogue output of the differential pressure sensor to 4 mA if required Note that the output needs to be 4 00 mA to ensure flow monitoring accuracy 4 When the 4
12. Display Volume Flow in Imperial Units Methane uncorrected Gas Velocity Gas Temperature Line Pressure Oxygen Carbon Dioxide Carbon Monoxide Flow Switch Corrected Methane Volume Flow Methane Mass Kg s Total Mass Kg s Accumulated Methane Mass Accumulated Total Gas Mass Uncorrected Methane NTP Total Gas Volume Flow Channel 6 display NTP CH4 Volume Flow Channel 7 Display 28 TX6400 UM EN 01 Data Type int int Int int int int int int float float float float float float float float float Unit 906 V N m sec aC kpa 906 V N 906 V N ppm 96 v v See Note kg sec kg sec tonnes tonnes 9o V V 1 See Note 1 See Note 1 www trolex com Modbus Address 50059750 3005952 30053 54 30095 06 30057 58 3005960 30061 62 30063 64 40209 40210 40211 40212 40213 14 40215 16 40217 18 40219 20 40221 22 40223 24 40223 26 40227 28 40229 30 40233 34 40237 38 40261 62 402623 40264 40265 66 Data Total Gas Volume Flow Channel 2 Display Gas Velocity m s Head absorbance 0 5 2 PD847 1 0 za S Oxygen Level Normalisation Ratio Normal Transformation Actual Total Gas Volume Flow Channel 3 Display Corrected Methane at Analysis Pipe diameter Molecular weight of target gas Molecular weight of balance Atmospheric pressure C1 analysis C2 analysis C3 analysis C4 analysis C5 analysis C1 exponent C1 power C1 span
13. Sentrum system 6 TX6400 UM EN 01 www trolex com TX6400 User Manual 2 1 2 Flow Monitoring The velocity of gas travelling in the pipe network is monitored using a differential pressure sensor mounted via an orifice plate In some applications it may be possible to use a Vortex type flow sensor but this dependent upon the moisture levels in the pipe network The system will also monitor the temperature of the gas and the process pressure he parameters methane purity mass and volume will be calculated and displayed by the TX9042 Programmable Sensor Controller 2 1 3 Control and Data Collection The TX9042 has an RS485 Modbus communications port that can be connected to a suitable master terminal PC with SCADA Details of the Modbus structure are to be found in section 7 of this document Most input and output parameters for the TX9042 can be viewed and adjusted via this link The TX9042 can also be set to locally data log the various inputs This information is stored locally in the TX9042 and can be accessed via the RS485 communications link The TX9042 has a logging capacity of 22000 readings per channel www trolex com TX6400 UM EN 01 7 TROLEX lt 2 1 4 Sentrum Block Diagram 8 Example of a typical system Methane extraction monitor Qe 9 o 90 Signal trank sample chamber e e amp e e L H Gas sample flow pl regulator monitor Lol ol Gas
14. Units O to 100 v v O to 20 m sec 20 to 80 C O to 200 kpa abs UNO 25V O to 10 v v O to 100 v v Flow No flow Units O to 100 v v O to 20 m sec 20 to 80 C O to 200 kpa abs O to 2596 v v Oto l0 VvN O to 100 v v Flow No flow Derived From Channel 1 Input Channel 2 Input Channel 3 Input Channel 4 Input Channel 5 Input Channel 6 Input Channel 7 Input Channel 8 Input Hardware Channel 1 Input Channel 2 Input Channel 3 Input Channel 4 Input Channel 5 Input Channel 6 Input Result of methane correction algorithm vol methane Channel 8 Input www trolex com TX6400 User Manual Disclaimers The information provided in this document contains general descriptions and technical characteristics of the performance of the product It is not intended as a substitute for and is not to be used for determining suitability or reliability of this product for specific user applications It is the duty of any user or installer to perform the appropriate and complete risk analysis evaluation and testing of the products with respect to the relevant specific application or use Trolex shall not be responsible or liable for misuse of the information contained herein If you have any suggestions for improvements or amendments or find errors in this publication please notify us at marketingQtrolex com No part of this document may be reproduced in any form or by any means electronic or mechanical including
15. ction with a sampling pump will be used to ensure a constant sample is applied to the sensors he gas sensors will also compensate for fluctuations in pressure and temperature The system is designed to calculate the methane concentration from hydrocarbon gas mixtures Various algorithms are incorporated to extract the methane concentration from a hydrocarbon mixture by monitoring the infrared signature of the mixture the temperature the pressure and the oxygen concentration The infrared signature from the Trolex TX6363 head is compensated for temperature and pressure and the compensated signature level is sent to the controller system where it is treated mathematically to extract the methane content of the mixture The system uses an initial analysis of the gas mixture to extract the known amount of methane in that analysis It then tracks the infrared signature of the mixture to continue monitoring the methane content Under normal conditions a complex ratio metric algorithm is used to extract the methane content Infrared sensors are molar sensors and so respond both to changes in the gas mixture composition and changes in the overall gas concentration The system is tolerant to such changes in extracting the overall methane content In addition to monitoring methane gas the Sentrum system has options for monitoring the concentrations of both oxygen and carbon dioxide These should be requested at the time of specifying and ordering your
16. dule for convenient replacement and servicing e Convenient push button calibration of ZERO and SPAN e ntrinsically safe for use in Group and Group hazardous areas 3 4 2 Specification Sensing range O to 25 vol oxygen Ambient temperature limits 10 C 5076 Repeatability 2 Response time T63 5 secs Sensing element life gt 1 year 12 TX6400 UM EN 01 www trolex com TX6400 User Manual 3 5 P555713 Mass Flow System 3 5 1 Features e Differential pressure to monitor flow e Pressure and temperature sensors e Installed using an orifice plate between pipe flanges for convenient installation and servicing e Intrinsically safe for use in Group and Il hazardous areas 3 5 2 Specification Measuring range Dependent upon calibration of orifice plate Operating temperature Op tono 3 6 P555710 Dual Pump Controller 3 6 1 Features The TX6400 Methane Recovery Monitoring System is equipped with two intrinsically safe pumps located within the gas monitoring chamber to ensure a constant flow of gas is applied to the gas sensors These pumps should only be powered by the P555710 Dual Pump Controller LED Off Pump switched Off LED Green Pump running and healthy LED Red Pump fail www trolex com TX6400 UM EN 01 13 TROLEZ 4 Installation 4 1 Main Enclosure The Methane Monitoring System and Gas Flow System are located in the main enclosure However they will be interfaced with the methane drainage transport
17. ensor To do that a Hart communicator will be required To use this 1 Disconnect the wire marked SIG FLOW from terminal A6 on the TX9042 Programmable Sensor Controller 2 Connect one wire of a Hart Protocol Communicator to Terminal A6 3 Connect the other wire of a Hart Protocol Communicator to the wire marked SIG FLOW 4 Fitfuse F1 and the Sentrum Methane Monitoring System will energise 5 After the TX9042 Programmable Sensor Controller has initialised it will go to the main screen where all eight channels can be read LED R4 on the Programmable Sensor Controller will remain lit 6 Open both taps on the gas sample hose connection The pressure gauge located on the gas sample chamber will indicate the expected pressure within the transport pipe 7 Using the Dual Pump Controller switch Pump 2 on Ensure the LED for pump 2 is green and the R4 LED on the Programmable Sensor Controller has extinguished On the flow regulator note the volume of gas flowing to the gas sampling chamber This volume should be 1 Ipm and 3 Ipm when pump 1 is running 8 Adjust the flow using the potentiometer on the dual pump controller to obtain a flow between 1 lpm and 3 lpm 18 TX6400 UM EN 01 www trolex com TX6400 User Manual Checkpoint Never use the valve on the flow regulator to regulate flow when the system is using the intrinsically safe pumps to provide flow 9 Switch pump 2 off and note that RA LED on the Programmable Sensor
18. ilter will now reduce to atmospheric pressure and the tap on the water filter can be opened to let the water drain 6 When the bowl is empty close the tap 7 Reconnect the Gas Sample In pipe and open the tap 8 Fully open the Flow Regulator Valve 9 Switch sample pump on 26 TX6400 UM EN 01 www trolex com www trolex com TX6400 User Manual Checkpoint There may be a small drop in methane purity readings due to the process of draining the filter This is temporary and will clear in a few moments 6 3 Pump Maintenance There are two pumps in the sampling system Under normal use only one pump Is required to draw a sufficient sample for analysis The pumps should run under normal load for approximately 10 to 12 months The second pump is intended as a standby pump in case of primary pump failure It is recommended that pumps should be replaced prior to the 10 months life expectancy TX6400 UM EN 01 27 TROLEX lt 7 Modbus Address Registers Modbus Address 00005 00006 00007 00008 00029 00030 00035 30001 30002 30003 30004 30005 30006 30007 30008 30091 92 30033 34 90035136 SUUS 30039 40 30041 42 30043 44 30045 46 30047 48 Data Write 1 Reset Accumulators Write 1 Initiates Methane Calibration ocreen Write 1 indicates Sample Taken Write O for PD847 Sensor Write 1 for PD857 Sensor Write O for 32 bit FP Write 1 for 16 bit Integer 1 Analysis Due 1
19. output with the corresponding time and date his information is used by the controller to calibrate the correction factors once the results of the analysis are available 4 Information about the last sample taken can be viewed by selecting the View sample option 22 TX6400 UM EN 01 www trolex com TX6400 User Manual 5 5 Updating the Analysis Values Once the results from the sample are available then the gas analysis values held in the controller should be updated 1 From the MDM Setup menu select Enter Analysis 2 he user is offered the option to change the sample reading but this is not normally required and should be skipped The methane concentration from the analysis results should be entered into the Anlys option The controller will then correct the internal algorithm 3 Entering this methane analysis will also update the original entry for Methane in the MDM Setup menu 4 Itis not necessary to adjust the values of the other hydrocarbons these are not used by the algorithm in this configuration 5 The date of the next scheduled gas analysis can be manually entered in the MDM Setup menu www trolex com TX6400 UM EN 01 23 TROLEX lt 5 6 Mass Flow Setup The following parameters are calculated and displayed e Methane Volume Flow l s e Methane Mass Flow kg s e Normalised Gas Volume Flow l s e Normalised Methane Volume Flow l s e Accumulative Total Gas Mass tonnes To ensure
20. photocopying without express written permission of Trolex All pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to help ensure compliance with documented system data only Trolex or its affiliates should perform repairs to components When devices are used for applications with technical safety requirements the relevant instructions must be followed Trademarks 2013 Trolex Limited Trolex is a registered trademark of Trolex Limited The use of all trademarks in this document is acknowledged Document History Issue 1 9 July 2013 Original publication of this document Contact Details Trolex Ltd Newby Road Hazel Grove Stockport Cheshire SK7 5DY UK 44 0 161 483 1435 sales trolex com www trolex com TX6400 UM EN 01 33 TROLE Trolex Ltd Newby Road Hazel Grove Stockport Cheshire SK7 SDY UK t 44 01161 483 1435 e sales trolex com www trolex com
21. pipe independently of each other The main enclosure houses the TX9042 Programmable Sensor Controller and Gas Sample Flow Regulator The main enclosure is designed to be frame or wall mounted to eliminate vibration and movement which may affect the accuracy of the differential pressure flow sensor It should be located within two metres of the gas connection points Gas Panel gt a M MM LLL Process Electrical terminals connections under cover tmm e Flow Low er dE Out C Flow High Gas Sample Seong a gt aa LJ nangugum 14 TX6400 UM EN 01 www trolex com TX6400 User Manual 4 2 Transport Pipe Preparation 1 Separate the two pipe flanges where the orifice plate is to be installed Insert the orifice plate and bolt the two flanges and orifice plate together Tighten as necessary 2 Install the 2 x 4 BSP threaded boss for methane sampling and fit one 4 supplied tap 3 Staple lock banjo fitting into each boss 4 Ensure the tap is closed upon completion 1 4 BSP Boss Orifice plate www trolex com TX6400 UM EN 01 15 TROLEX lt 4 3 Gas Monitoring System 1 Connect two of the supplied hoses from the staple lock fittings on the side of the main enclosure marked Gas Sample In and Gas Sample Out to the staple lock fittings on the transport pipe and secure using the supplied staples GAS SAMPLE OUT r A 4 GAS SAMPLE IN
22. sample conditioning Pump controller Hi Ho Gas sensor Es Pressurised gas Vil Temperature transmitter Line pressure transmitter DP flow transmitter TX6400 UM EN 01 www trolex com TX6400 User Manual 3 Technical Details 3 1 TX6400 Sentrum Methane Recovery Monitoring System 3 1 1 Monitors e Methane e Oxygen optional e Carbon dioxide optional e Gas velocity e Gas pressure e Gas temperature e System methane leakage 3 1 2 Specification Gas temperature limits for gas Oe 6 4426 sensing Gas temperature limits for flow Lie to BOC monitoring Pressure limits for gas sensing 400 mbar abs to 1200 mbar abs Pressure limits for flow monitoring 400 mbar abs to 5 bar Data communications RS485 Modbus www trolex com TX6400 UM EN 01 9 TROLEX lt Example of a typical Sentrum system Pump TX9042 Methane Audio Visual System controller extraction monitor alarm pressure gauge e y O TX6300 qo 09 Gas monitors 90688 Line i pressure pe e sensor A Ji e AN EE 2 F Gas i temperature sensor 4 BRAIN o el Differential 0 e P SS pressure
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