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TX9165 - Sentro 8 Sensorstation - User Manual

1. SPAN VALUE ae a ane ol S Beta ACCEPT CUIT A CARBON MONOXIDE SET NEW SPAN VALUE EXPECTED SET CANISTER VALUE ACCEPT EEES A CARBON MONOXIDE _ SET NEU SPAN VALUE EXPECTED SET CANISTER VALUE ACCEPT www trolex com TX9165 User Manual Check The screen displays the Span value of calibration gas that the Sentro 8 sensorstation expects to be used during calibration Check the Span value of gas displayed against the value on your calibration gas cylinder If the two values match then proceed to the Calibrate Span procedure If they do not match then Change the value as follows Use the navigation keypad scroll to Change and select OK With Expected highlighted select OK Use the navigation keypad scroll up or down on the first digit to the required Span value on your calibration gas cylinder Scroll right to the second digit Repeat the above for the second and third digit in Span and select OK Scroll to Accept and select OK Continue with Calibrate Span as described in the following section TX9165 UM EN 07 61 TROLEX lt Calibrate Span Using a Calibration Gas of an Expected Value Connect the gas application tube from the calibration gas cylinder to the gas hood fitted to the corresponding gas port of the eModule being calibrated Scroll to Accept and select OK Open the valve and apply calibration gas at a rate of 1 litre min to clear any clean ai
2. FENUB A 19S SLES TX9165 Sentro 8 Sensorstation Contents 1 Product Overview 5 1 1 Operating Features 5 1 2 Application 6 1 3 Product Options 7 1 4 Dimensions 8 1 4 1 TX9165 Sentro 8 Sensorstation Four Gas Ports 8 1 4 2 1X9165 Sentro 8 Sensorstation Eight Gas Ports 9 1 5 Technical Information 10 1 6 Electrical Details 12 1 7 Sentro Sensing Modules 13 1 71 Sentro eModules 14 1 72 Sentro rModules Remote Sensing 19 2 Certification 20 3 Installing 24 3 1 Safety Precautions 24 3 2 Siting Recommendations 26 3 3 Connections 2 3 4 Connecting in Mining and Tunnelling Areas 34 3 5 Sentro 8 Sensorstation sensing Module Positions 35 3 6 Datacomms 36 4 Setup and Calibration 37 4 1 Controls and Indicators 37 4 1 1 Navigation 39 4 2 Start up Screen 40 www trolex com 4 2 1 4 2 2 4 2 3 4 2 4 4 3 4 3 1 4 3 2 4 3 3 4 3 4 4 3 5 4 3 6 4 4 4 4 1 4 4 2 4 4 3 4 4 4 4 4 5 4 5 4 5 1 4 5 2 4 5 3 4 5 4 4 5 5 4 5 6 4 6 TX9165 User Manual Base Screens sensor Inputs Overview Relay Outputs Overview Audio Visual Alarms Overview Main Setup Menu security Display Time and Date Log Datacomms Protocol Reset Exposure sentro eModule Setup sentro eModules Calibrate setpoint 1 and Setpoint 2 Assign Fault Assign Exposure Alarm Status Sentro rModule Setup scaling Setpoint 1 and Setpoint 2 Assign Fault Status Calibrate PT 100 Setup of an On Off Input rModule setup of an On Off Diode
3. WAIN SETUF DISPLAY SETTINGS CONTRAST saunas SCROLLT IME Me 0 BACKLIGHT ON SET of ive QUIT MAIN 5 DISPLAY SET J 42 p ourr www trolex com MAIN SE DISPLAY SI CONFIDENCE SET 272 Quit ani SE TU ir TIME Rate OATACOMMS RESET EXPOSURE in Saw j MAIN SETUP E TIME DATE SETUF TIME ASsSasss DATE 21 01 2012 Sat sh Quit www trolex com TX9165 User Manual To Set the Confidence Alert On Off From the Display Settings Menu use the navigation keypad scroll to Confidence and select OK Use the navigation keypad scroll up or down to set the Confidence Alert On or Off and select OK Use the navigation keypad scroll to Set or Quit and select OK Checkpoint Trolex strongly recommends that the Confidence Alert is set On at all times to indicate to users that the Sentro 8 is functioning correctly 4 3 3 Time and Date To Access the Time and Date Setup Menu From the Main Setup Menu use the navigation keypad scroll to Time and Date and select OK To Adjust the Time From the Time and Date Setup Menu use the navigation keypad scroll to Time and select OK Use the navigation keypad scroll up or down on the first digit to the required time scroll right to the next digit Repeat the above for all six digits in Time and select OK Use the navigation keypad scroll to Set or Quit and select OK TX9165 UM EN 07 51 TROLEX lt To Adjust
4. www trolex com D METHANE TIME O01 S56 30 D METHANE 0 10 vy TIME O01 3 56 O1 2 DATE 0L O1 7 OO Ois 0037 E CARBON MONOXIDE F E CARBON MONOXIDE F READ LIMIT STEL 200 FFM TWA J 20 FFM ELAPSED 00 19 22 MONO f MONMAX www trolex com TX9165 User Manual 4 2 2 4 Log View Details of the data present at the Trend cursor position selected Section 4 2 2 3 To Review the Trend Use the navigation keypad scroll up or down to review the Log and select OK to view the general Trend around the current Log entry Select OK to return to Log Section 4 2 2 3 4 2 2 5 Exposure View If a toxic Sentro eModule has been activated to monitor STEL and TWA exposure limits an additional fifth view called Exposure View will appear in the Sensor Inputs Overview TX9165 UM EN 07 45 TROLEX lt e Short term exposure limit COSHH Time weighted average COSHH Time elapsed into monitoring period Current accumulated value Preset alarm limits that activate the Exposure alarm signals of the eModule for STEL and TWA Section 4 3 6 Section 4 4 4 Checkpoint STEL Short term exposure limit of total accumulated units over a rolling 15 minute period Checkpoint TWA Time weighted average of gas concentration over a working eight hour period 46 TX9165 UM EN 07 LAFSED T mi ay H Ejj T m H 7 www trolex com Oe a gy ALB CO
5. Checkpoint Periodic calibration of the gas sensor should be carried out whilst it is in service For oxygen and carbon monoxide gas sensors Irolex recommends that this is carried out every 3 weeks For other gas sensors Trolex recommends that this is carried out in accordance with best practice for the industry where the gas sensor is being used and should take into consideration local operating conditions www trolex com TX9165 UM EN 07 17 TROLEX lt 1 7 1 3 Carbon Dioxide Methane Gases Infrared Sensor This sensor is highly specific to the selected gas and exhibits AN consistent sensing accuracy with superior long term stability The linear response means that it can be calibrated for low gas concentrations and high concentrations up to 100 by volume TX6350 243 245 242 278 279 Methane Methane Methane Carbon Carbon Ca CH CH Dioxide Dioxide OO CO Semen Infrared element ena ieee Uito 5 0 to 100 O to 100 O16 57 0 to 100 g g viv Bele viv viv viv 0 05 viv 1 LELper 0 5 v v 0 5 v v 1 v v per Zero drift per month month per month per month month Repeatability 0 1 v v 2 oleae 2 viv 0 05 viv 2 V V Response time T63 Da Response time T90 R Operating life lt 5 years Relative R estan 15 to 90 condensing Operating 10 to 40 C temperature GENERAL alarm 1 25 v v 10070 CEE 25 viv 1 25 viv 25 viv HIGH alarm 2 5 viv AG ell 50 v v 2 5 viv 50 v v Checkpoint Carbon
6. 2 After the completion of all maintenance update the maintenance records 8 9 Repairs Should your Sentro 8 and battery back up become damaged and need repair contact Trolex or your local Trolex service agent to arrange for your Sentro 8 Battery Back up to be repaired service trolex com After the completion of all maintenance update the maintenance records www trolex com TX9165 UM EN 07 99 TROLEX lt 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 marketing trolex com No part of this document may be reproduced in any form or by any means electronic or mechanical including 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 he
7. 4 20mA 21 39 mA NOT FITTED Pan eRoRes whe aed Ziz FFM E senfearnes fxs C AII AFOMA NEU CONFIG E THANE dod eye AIT WT aati FEM ile www trolex com SYSTEM STOFFED LOW SUPPLY VOLTAGE RECTIFY PROBLEM AND REBOOT Rz RELAY i RELAY IS LATCHEDO SIGNAL IS ON BASE ooo RZ RELAY 2 z RELAY IS LATCHED SIGWHAL IS OFF BASE wae CLACS www trolex com TX9165 User Manual 6 4 Low Supply Voltage A warning message will appear when the supply voltage falls below a sate working level 6 5 Latched Relay Message and Relay Reset Use the navigation keypad and scroll through the Base Screens to the Relay Outputs Overview select the Relay Channel you are interested in and select OK The relay may be Reset if the initiating signal Is absent Scroll to Reset and select OK TX9165 UM EN 07 85 TROLEX lt 7 Maintenance 71 Sentro eModule and rModules Sentro eModules and rModules are conveniently replaced as they have a pre calibrated standardised output signal They can be replaced In seconds eliminating the need for precision calibration facilities 7 2 Checking the Response of Gas Sensing eModules The response of the Sentro 8 Sensorstation should be checked at regular intervals to ensure continued accuracy Gas sensors have a known ZERO and SPAN movement related to time level of exposure to gas and the nature of the environment Trolex recommends that the sensors
8. Disclaimers Trademarks Document History Contact Details 96 96 97 98 98 98 JJ 99 100 100 100 100 www trolex com TX9165 User Manual 1 Product Overview TX9165 Sentro 8 Sensorstation TX9165 Sentro 8 Sensorstation four gas ports eight gas ports 1 1 Operating Features e Integrated eight channel sensing and control unit for environmental and machine condition monitoring including eModule e Toxic gases e Flammable gases rModule e Air flow e Pressure e Temperature e Vibration e Speed e Rotation e Most suitable 0 4 to 2 V and 4 to 20 mA inputs e Pre calibrated plug in Sentro eModules and rModules can be user configured to any combination of measuring parameter e LCD screen e Programmable built in Audio visual alarms e RS485 Modbus datacomms for distributed monitoring of systems e Four programmable output relay remote alarm warning and control functions e Heavy duty impact resistant housing to IP65 e EMC compliant e STEL and TWA monitoring of selected gases e Data logging on all channels www trolex com TX9165 UM EN 07 5 TROLEX lt 1 2 Application Fixed point multisensor environmental monitoring and machine condition monitoring for use in underground mining and general purpose applications General Purpose Application Non hazardous areas TX9165 03 Supply voltage 24 V dc 85 to 265 V ac supply universal Remote sensors 24 V dc supply Output relay contacts 2 Amps
9. Remove the sensing module from the module bay Insert the replacement sensing module into the module bay ensuring that the connector is Tully engaged Using a suitable size screwdriver turn the sensing module retainer screw clockwise to secure the sensing module Return the removed sensing module to your local Trolex service agent for service or disposal using the envelope provided or suitable packaging if the envelope is not available From the Base Screens use the navigation keypad scroll to the required sensing module press and hold down the left arrow on the navigation keypad Use the navigation keypad scroll to Status and select OK Select OK to access the Exclude Menu Use the navigation keypad scroll to No and select OK www trolex com TX9165 UM EN 07 89 TROLEX lt Use the navigation keypad scroll to Set or Quit and select OK Checkpoint Confirmation of eModule or rModule setup data will be requested whenever a eModule or rModule is replaced 90 If an eModule or rModule is replaced by the same type of sensing module then the existing data would normally be used Overwrite the data If required or it a different type of eModule or rModule is loaded METHANE 0 00 XYY Ensure that new coding stops are fitted into a replacement eModule or rModule where a user specific code Fas G FJA OBLI has been previously defined TX9165 UM EN 07 www trolex com TX9165 User Manual
10. 230 V ac Underground Mining Application Can be installed in and Tunnelling underground hazardous areas TX9165 011 Supply voltage 12 V dc from an approved source Remote sensors Exi approved 12 V dc supply Output relay contacts Suitable for and clearance compatible for switching other intrinsically safe circuits Type of protection Intrinsically safe EX ia Category M1 ATEX 94 9 EC 6 TX9165 UM EN 07 www trolex com TX9165 User Manual 1 3 Product Options TX9165 Sentro 8 Sensorstation Mining Ex General Purpose 12 V dc TX9165 01 24V dc TX9165 03 102 85 to 265 V ac universal TX9165 03 114 www trolex com TX9165 UM EN 07 7 TROLEX lt 1 4 Dimensions 1 4 1 1TX9165 Sentro 8 Sensorstation Four Gas Ports Rear to suit BS6946 Rail 267 Holes for M6 Screws 220 0Ctrs 8 TX9165 UM EN 07 www trolex com TX9165 User Manual 1 4 2 TX9165 Sentro 8 Sensorstation Eight Gas Ports Rear to suit BS6946 Rail 267 Holes for M6 Screws 220 0Ctrs www trolex com TX9165 UM EN 07 9 TROLEX lt 1 5 Technical Information Sensing modules e Plug in pre calibrated Sentro eModules and rModules with standardised output data and characterised compensation Accommodation for up to eight eModules and rModules Protection classification Housing IP65 Operating temperature e 10 to 40 C Storage temperature e 20 to 60 C Humidity e QO to 95 non condensing Pressure e 700 to 1
11. 4 4 Sentro eModule Setu z OXYGEN 20 8 This displays more detailed information CARBON MONOXIDE about the configuration of individual eModule z209 FRM E channels NOT FITTeo E From the Base Screens use the navigation NOT FITTED Fl keypad scroll to the required channel A B C bag or D press and hold down the left arrow on et the navigation keypad After a few seconds the Sentro eModule Setup Menu will appear The options are as follows E LARBON MONOATOE SETFOLNT ASSIGN FAULT e Calibrate E lt FOSURE S Cease e Set Calibration Gas e Span e Setpoint 1 e Activate e Level e Assign e Setpoint 2 e Activate e Level e Assign e Assign Fault e Exposure e Status e Exclude 58 TX9165 UM EN 07 www trolex com TX9165 User Manual 4 4 1 Sentro eModules Calibrate Checkpoint The standard configuration for a Sentro 8 has eModules fitted in locations A B C and D It is possible that eModules are fitted in locations E F G and H but this is a factory fitted configuration If you are unsure which modules you have fitted to your Sentro 8 look at the Sensor Inputs Overview for channels group E to H and see if gas types are displayed If gas types are displayed you have eModules fitted in channel group E to H If you are still unsure contact service trolex com for assistance Checkpoint Ensure the area where the equipment is being calibrated is well ventilated Observe appropriate Health and Safety legislatio
12. end of its useful life ensure that the Sentro 8 is recycled in accordance with local laws and bylaws for the geographic area where it is located The end of its useful life is to be determined by the owner operator of the equipment and not Trolex Ensure that the Sentro 8 is recycled by licenced waste contractors with the appropriate licences for handling electronic waste In the geographic area where the Sentro 8 is located Checkpoint Consult your local Trolex service agent or the Trolex Product Support Department If you require assistance with disposal service trolex com TX9165 UM EN 07 93 TROLEX lt 8 Sentro 8 Battery Back up 8 1 Introduction Sentro 8 can be ordered with an optional Battery Back up The available options are as follows P9000 223 01 Battery Back up General Purpose P9000 223 02 Battery Back up and RS485 Repeater General Purpose P9000 223 03 Battery Back up and Ethernet Converter General Purpose The Sentro 8 will be supplied as a Sensor Station complete with stainless steel hood battery back up options for RS485 Repeater or Ethernet Converter and audio visual alarm see photo 8 2 Battery Back up The battery back up provides power to the Sentro 8 in the event that mains power is lost The battery back up is not intended to replace the mains power supply for Sentro 8 but it does enable continued sate working for a limited amount of time in the event of a power supply disrup
13. Dioxide Sensors Normal atmosphere contains carbon dioxide which will affect the sensor signal so nitrogen gas must be used to accurately calibrate the zero value The sensor should be powered up and the nitrogen applied for at least 5 minutes to ensure that the sensor has stabilised 18 TX9165 UM EN 07 www trolex com TX9165 User Manual 1 7 2 Sentro rModule Remote Sensing sentro rModules function in the same way as eModules and incorporate screw terminals to accept direct Input connections of cables from remote analogue or digital sensors A sensor power supply source is also provided at the rModule terminals ar where appropriate All eight positions A to H in the Sentro 8 Sensorstation can be fitted with rModules in positions where no eModules are being used Industrial standard analogue sensor input 2 and 3 wire options Voltage input signals analogue TX9160 303 Ao ZA sensor input 2 and 3 wire V TX9160 301 4to20mA connections TX9160 306 PT100 senere FU WOW tempem wre monitoring with line compensation NAMUR proximity switch with line fault monitoring or conventional contacts pressure switches limit switches etc ON OFF inputs from contacts with TX9160 502 ON OFF amp Diode series diode for open circuit and pi short circuit line fault monitoring TX9160 501 ON OFF www trolex com TX9165 UM EN 07 19 TROLEX lt 2 Certification Europe Certification ATEX TX9165 01 1 Sentro 8 Sensorstation
14. Group 1 Ex Certificate Number SIRA O9ATEX2285xX Ex Certification Code M1 Ex ia Ma General Conditions for Safe Use Prior to installation it is essential that the user refers to the above certificate to ensure that the termination and cable parameters are fully complied with and are compatible with the application Copies of certificates are available from Trolex Ltd Cable glands used with this equipment must maintain an ingress protection of at least IP54 ATEX directive 94 9 EC EMC directive 2004 108 EC Special Conditions for Safe Use of Sentro eModules and rModules The minimum ingress protection stated in the Excertificates for the Sentro eModules and rModules are satisfied when mounted in the Sentro 8 Sensorstation as are the conditions for impact protection and external fuse protection in the case of the infrared eModule The Excertificates associated with the Sentro eModules and rModules are listed below eModule Flammable Group SIRA 10ATEX2046U eModule Toxic Group SIRA O8ATEX2097U eModule Infrared Group SIRA 10ATEX2356U rModule Group SIRA 10ATEX2032U Attention is drawn to the following conditions within the rModule Ex certificates For the purpose of this certificate a P F inductive sensor to PTBOO ATEX 2048X to Category Il 1G Ex ia IIC 16 connected to terminals 1m and 2m of a TX9160 011 501 NAMUR input module may be considered equivalent to Category M1 The sensor shall be installed in
15. Input rModule Output Relays Setup TX9165 UM EN 07 40 42 47 47 48 48 49 51 52 54 56 58 59 63 66 67 68 69 70 72 74 79 76 76 76 78 TROLEX lt 4 6 1 4 6 2 4 6 3 4 6 4 4 6 5 5 De 3 2 6 6 1 6 2 6 3 6 4 6 5 72 Ps 74 Mode Pulse Time Assign Fault And Function Text Audio Visual Alarm References Alarm Severity Selection Assign Fault Diagnostics Over Range Indication on a Pellistor Gas Sensing eModule Absent Sensing Module Message Replacing a Sentro Sensing Module Low Supply Voltage Latched Relay Message and Relay Reset Maintenance sentro eModules and rModules Checking the Response of Gas Sensing eModules service Replacement sensing Modules Replacing a Sentro Sensing Module TX9165 UM EN 07 78 79 79 80 80 81 81 82 83 83 84 84 85 85 86 86 86 88 88 0 76 7 7 78 ths 8 8 1 8 2 8 3 8 4 3 5 8 6 OJ 8 7 1 G42 8 8 8 8 1 8 8 2 8 8 3 8 9 Maintenance and Calibration Log Record Keeping Protection Grid servicing and Repair Disposal Sentro 8 Battery Back up Intruduction Battery Back up Battery RS485 Repeater Ethernet Converter g1 92 92 92 J3 94 94 94 95 95 95 Battery Back up Connections 96 Operation Power up Power Down Maintenance Sentro 8 and Battery Back up Check Battery Back up Discharge Test Battery Back up Cells Replace Repairs
16. Menu use the navigation keypad scroll to Assign To and select OK The screen prompts are as follows e Cursor e Powerup the selected relay e Reset a latched relay e Audio alarm severity TX9165 UM EN 07 65 TROLEX lt 4 4 3 Assign Fault B CARBON MONOXIDE Each input channel A to H has a fault alarm E e A output state e Analogue input signal over range e Analogue input signal under range e Module fault SETEAINT gt ASSIGN FAULT AP USURE To Access Assign Fault From the Sentro eModule Setup Menu use the navigation keypad scroll to Assign Fault and select OK If a Security Code has been enabled you will be prompted to enter it enter the Security Code and select OK The screen prompts are as follows e Cursor e Powerup the selected relay e Reset a latched relay e Audio alarm severity 66 TX9165 UM EN 07 www trolex com E CARBON MONOXIDE CALIBRATE SETFOLNT 1 SEN ya EXPOS SURE UN MUNUA LUE SOR j STEL 200 PPM CARBON MONOXIDE SENSOR SET www trolex com EArUS URE i rus SURE TX9165 User Manual 4 4 4 Assign Exposure Alarm When a toxic gas Sentro eModule equipped with STEL and TWA processing is enabled at a location an additional menu item Exposure will appear To Access Exposure From the Sentro eModule Setup Menu use the navigation keypad scroll to Exposure and select OK If a Security Code has been enabled you will be prompted to enter
17. be made to rModule terminal 1m power The OV of the external sensor power supply shall be connected to the O V input of the equipment that the rModule Is plugged into The Ui presented by the external sensor on the rModule terminals 2m and 3m shall not exceed 14 4 V General Conditions for Safe Use Prior to installation It is essential that user refers to the above certificate to ensure that the termination and cable parameters are fully complied with and are compatible with the application Copies of certificates are available from Trolex Ltd Cable glands used with this equipment shall maintain an ingress protection of at least IP54 India Test Report TX9165 01 1 Sentro 8 Sensor Station Test Report number CIMFR TC P H555 www trolex com TX9165 UM EN 07 23 TROLEX lt 3 Installing 3 1 Safety Precautions Hazardous Areas Do not disassemble the Sentro 8 Sensorstation whilst in the hazardous area or use a sensor that has a damaged housing In the hazardous area Evacuation If a dangerous level of gas concentration is detected by a sensor leave the area immediately Operating Life of Gas Sensors Electrochemical cells contain an electrolyte that is gradually consumed during use The average life is about two years dependant upon the duty cycle The response should be checked at regular intervals Refer to Chapter 7 Maintenance for further information Sensitivity Electrochemical cells for toxic gases can be
18. common 0 V length is limited by the line by the supply feed permissible volt drop in to the sensor will be the V and 0 V power superimposed on to supply feed conductors the signal The signal to the sensor that will accuracy shift caused ensure an adequate by this is the factor that operating voltage supply limits the cable length at the sensor Input impedance gt 10 k ohms Sensor voltage TX9165 01 Use 12 V dc sensor 12 V dc via module 12 V dc via module TX9165 03 Use 24 V dc sensor 24 V dc via module 24 V dc via module Sensor current available Line powered 100 mA 100 mA www trolex com TX9165 UM EN 07 31 TROLEX lt PT100 Temperature Sensing Module TX9160 306 rModule Max cable length 1 5 mm 10m 100 m 2 5 mm 25m 100 m ON OFF NAMUR CONTACT Sensing Module TX9160 501 rModule Input Signal V J Present OV Absent NAMUR proximity sensors e Can also be used with DN 19234 conventional ON OFF switches Discrete fault alarm generated for OPEN CIRCUIT and SHORT CIRCUIT line condition Max cable length 500 m 500 m Sensor voltage 8 2 V dc via module 8 2 V dc via module Frequency range O to 10 k Hz O to 10 k Hz 32 TX9165 UM EN 07 www trolex com TX9165 User Manual Switch Sensing Module TX9160 502 rModule Input Signal a Fresent OV Absent Switches with series diode e Switches with series diode Detection of SHORT CIRCUIT e Detection of SHORT CIRCUIT switch line wi
19. e Datacomms e Reset Exposure 4 3 1 To Access the Security Menu From the Main Setup Menu use the navigation keypad scroll to Security and select OK Security Check Code From the Security Menu use the navigation keypad scroll to Check Code and select OK Scroll to Yes or No and select OK Scroll to Set or Quit and select OK 48 TX9165 UM EN 07 HAIN SETUP TIME DATE Log DATACOMMS RESET EXFOSURE BASE HAIN SETUP TIME DATE Lis DATACOMAS RESET EXPOSURE BASE MAIN SETUP SECURITY CHECK SET CODE sR E r eee fa A www trolex com MAIN SETUP SECURITY CHECK CHECK CODE NO SET CODE Osea pe Set ai i OE a HAIN SETUP TIM CODE ITE DA moog IMS RESET EXFOSURE BASE f fF MAIN SETUP DISFLAY ITSPLAY LOG _ DATACOMMS RESET EXPO SURE Sie be a www trolex com TX9165 User Manual To Set the Security Code Checkpoint The factory set security code is OOOO From the Security Menu use the navigation keypad to scroll to Set Code and select OK Use the navigation keypad scroll up or down on the first digit to the required number scroll right to the next digit repeat for all four digits and select OK Use the navigation keypad scroll to Set or Quit and select OK Checkpoint To Open the Security Barrier When Set Use the navigation keypad scroll up or down on the first digit to the required number scroll right to the ne
20. is activated On and power down after an adjustable time 4 6 2 PulseTime Set the length of relay pulse when operating in Pulse Mode O to 25 seconds 4 6 3 Assign Fault The function of each relay is monitored for correct operation and the Setpoint On alarm state can be assigned to e Relay 1 output e Relay 2 output e Relay 3 output e Relay 4 output e The on board audio visual alarm The screen prompts are as follows e Cursor e Powerup the selected relay Reset a latched relay Audio alarm severity TX9165 UM EN 07 79 TROLEX lt 4 6 4 And Function A relay can be set to powerup only when several Setpoint Commands are present at the same time so creating an And decision Voting Inputs If Setpoint Commands are assigned to the relay trom for example 4 assignors set the And function at 2 The relay will activate on a vote of any 2 out of 4 4 6 5 Text Duty text can be entered to denote the input duty or a tag reference of the input device 80 TX9165 UM EN 07 Internal data bus Liao Go if Go J Go Input Input Input www trolex com TX9165 User Manual 5 Audio Visual Alarm References TF All alarm signals and fault signals can be assigned to operate the inbuilt audio visual alarm in any combination J E SP1 Alarms are generated from r e From Setpoint 1 SP1 General alarm fa SP2 on sensing modules A to H e From Setpoint 2 SP2 High alarm F Fau
21. it enter the Security Code and select OK The preset limits of STEL and TWA can be viewed STEL and TWA alarm states can be assigned to the following e Relay 1 output e Relay 2 output e Relay 3 output e Relay 4 output e The on board audio visual alarm The screen prompts are as follows e Cursor e Powerup the selected relay e Reset a latched relay e Audio alarm severity Section 4 3 6 Y Reset the accumulated STEL and TWA data in accordance with section 4 3 6 Checkpoint TX9165 UM EN 07 67 TROLEX lt 4 4 5 Status Exclude A Sentro eModule can be excluded to disable alarm activity To Access Exclude From the Sentro eModule Setup Menu use the navigation keypad scroll to Status and select OK If a Security Code has been enabled you will be prompted to enter it enter the Security Code and select OK From the Status Menu select OK use the navigation keypad scroll to Yes or No and select OK Use the navigation keypad scroll to Set or Quit and select OK 68 TX9165 UM EN 07 E CARBON MONOXIDE CALIBRATE SETFOINT 1 SETFOINT z ASSIGN FAULT QUIT www trolex com Ee zee LI mom LI NOT FITTED PHINYOROGEN SULPHIO id FFM 4 20me0 SCALING SETF ASSIG ST a DINT Zz N_ FAULT ATUS BRASE JZ i www trolex com TX9165 User Manual 4 5 Sentro rModule Setup This displays more detailed information about the configuration of individual rMo
22. sensors such as thermostats pressure switches and interlock limit switches The switches may be conventional contacts or NAMUR proximity sensors Setup functions are the same as for Analogue input rModules Mono View The Mono View will display the Present Absent status of the input switch signal 4 5 7 Setup of an On Off Diode Input rModule The input is also configured to accept an input from switching devices such as pressure switches limit switches thermostats etc with a diode connected in series at the remote point This rModule has the same basic functions as the On Off Input rModule Section 4 5 6 gt gt In addition it will respond to Open Circuit and Short Circuit conditions by generating a discrete High Fault alarm 76 TX9165 UM EN 07 SWITCH ASSIGN FAULT SETTINGS STATUS y H SWITCH n PRESENT SWITCH ASSIGN FAULT SETTINGS STATUS MODE RESISTOR Eo ee a www trolex com www trolex com TX9165 User Manual Mode No Resistor The input is configured to accept an input from switching devices such as pressure switches limit switches thermostats etc with a diode connected In series at the remote point The rModule will respond to a short circuit condition occurring by generating a Low Fault condition Mode Resistor In addition to the operation of the No Resistor mode when a resistor is connected in parallel with the switching device at the remote point the r
23. should be bump tested with a suitable test gas at regular Intervals This should be carried out in accordance with best practice for the industry where the gas sensor is being used Periodic calibration of the gas sensor should be carried out whilst it is in service For oxygen and carbon monoxide gas sensors Trolex recommends that this is carried out every 3 weeks For other gas sensors Trolex recommends that this is carried out in accordance with best practice for the industry where the gas sensor is being used and should take into consideration local operating conditions 86 TX9165 UM EN 07 www trolex com TX9165 User Manual Checkpoint If there is a discrepancy of greater than 5 of reading then recalibrate the appropriate eModule of the Sentro 8 Sensorstation Section 4 4 1 Or consider replacing the eModule Section 74 Checkpoint If there is a discrepancy of greater than 5 of reading then consider changing the gas sensing eModule Section 7 4 Checkpoint e Ensure that the appropriate Health and Safety guidelines and applicable local procedures are followed when handling test gases The ambient temperature should be between 20 and 30 C during the checking procedure Ensure the correct operation of the Setpoint 1 and Setpoint 2 alarms Institute a formal checking and maintenance plan Operate a Maintenance and Calibration Log and ensure It is updated every time any Maintenance or Ca
24. the Date From the Time and Date Setup Menu use the navigation keypad scroll to Date and select OK Use the navigation keypad scroll up or down on the first digit to the required date scroll right to the next digit Repeat the above for all eight digits in Date and select OK Use the navigation keypad scroll to Set or Quit and select OK Checkpoint The Sentro 8 internal clock is powered by a miniature lithium battery The battery has a life expectancy in excess of 10 years 4 3 4 Log Readings of data for each channel will be continuously recorded at predetermined intervals Checkpoint By changing Time Units and Log Period in combination it is possible to configure a Log Period of between 1 second and 99 hours To Access the Log Setup Menu From the Main Setup Menu use the navigation keypad scroll to Log and select OK To Change the Time Units From the Log Setup Menu use the navigation keypad scroll to Time and select OK 52 TX9165 UM EN 07 MALTA SETUP E TIME DATE SETUF TIME TSzpa 7s 3170 2012 MAIN SETIF SECURITY OTSPLAY Mis TF MAIN SETUP LoG SETUP LOG PERIOD O00 CLEAR LOG NO ESETE ae GUE www trolex com HAIN SETUP LOG SETUP TINE UNITS LOG PERIOD 00 CLEAR LOG NO er far E MHAIM SETUP LOG SETUF TIME UNITS SECS LOG FERIOD CLEAR LOG NG e OEE MHAIN SETUP LOG SETUP TIME UNITS SECS LOG PERIOD 00 www t
25. v The pellistor is automatically protected against exposure to excessively high concentrations of gas 14 TX9165 UM EN 07 www trolex com TX9165 User Manual 1 7 1 2 Toxic Gases Electrochemical Cells selected toxic gas eModules are equipped with automatic STEL TWA calculation in accordance with COSHH 3 TX6350 250 50 250 250 250 500 251 252 Carbon Carbon Carbon Hydrogen Sulphur Monoxide Monoxide Monoxide Sulphide Dioxide CO CO CO HS SO Sensing Electrochemical cell element Sensing range Otob50pom Oto250 ppm 0to500 ppm DAtobOppm Oto 20 pom Linearity seo IFS Drift 2 per month Repeatability T2 Response time T63 lt 20 secs lt 20 secs lt 20 secs lt 30 secs lt 20 secs Operating life 2 years Relative 3 humidity 15 to 90 non condensing Operatng 10 to 40 C temperature GENERAL ERS 15 ppm 30 ppm 30 ppm 5 ppm 5 ppm HIGH alarm 30 ppm 100 ppm 200 ppm 10 ppm 10 ppm STEL amp TWA 200 pom 200 ppm 200 ppm 10 ppm 5 pom 30 ppm 30 ppm 30 ppm 5 ppm 2 ppm www trolex com TX9165 UM EN 07 15 TROLEX lt Toxic Gases e Electrochemical Cells continued TX6350 Sensing element Sensing range Linearity Drift Repeatability Response time T63 Operating life Relative humidity Operating temperature GENERAL alarm HIGH alarm STEL amp TWA 254 Nitrogen Dioxide NO Oe 20 ppm 2 FS 2 per month lt 20 secs 2 years 5 ppm 10 ppm 5 ppm 3 pom 16 TX91
26. values are averaged between samples Text Duty Text can be entered to denote the input duty or a tag reference of the Input device TX9165 UM EN 07 71 TROLEX lt 4 5 2 Setpoint 1 and Setpoint 2 Each input channel E to H has two Setpoint On alarm states Setpoint 1 SP1 General alarm and Setpoint 2 SP2 High alarm To Access Setpoint 1 and Setpoint 2 From the Sentro rModule Setup Menu use the navigation keypad scroll to Setpoint 1 or Setpoint 2 and select OK If a Security Code has been enabled you will be prompted to enter it enter the Security Code and select OK Activate The Activate mode of Setpoints can be setup to preference From the Setpoint 1 or Setpoint 2 Setup Menu use the navigation keypad scroll to Activate and select OK Use the navigation keypad scroll to Over or Under and select OK Use the navigation keypad scroll to Set or Quit and select OK Level The operating Level of Setpoints can be setup to preference From the Setpoint 1 or Setpoint 2 Setup Menu use the navigation keypad scroll to Level and select OK 72 TX9165 UM EN 07 SETPOINT LEVEL SETPOINT ACTIVATION OVER SETPOINT ACTIVATION UNDER Anla SETPOINT i RESTON FAULT STATUS ON DELAY og JFF DELAY og QUIT www trolex com TX9165 User Manual Use the navigation keypad scroll up or down on the first digit to the required Level value scroll right to the second dig
27. 300 mbar Housing material e Reinforced polymer anti static suitable for use in hazardous areas EMC compliant Weight e 28kg Alarm indicators e Confidence Alert flash and audible tone at 15 second intervals e High brightness area warning flashing alarm and audible alarm e Function configurable Audible alarm e High intensity audible sounder 95 dB at 300 mm e Function configurable e Mute function Gas infusion e Natural diffusion 10 TX9165 UM EN 07 www trolex com TX9165 User Manual Display e 128 x 64 pixels graphic LCD screen with backlight illumination e Alarm indicators for all eight sensor inputs e TWA and STEL alarm displayed for selected toxic gas sensing eModules e Simultaneous readings of all sensor input levels e ndividual reading of all sensor input levels with Min and Max data retention e Graphic Trend display of individual sensor values e Scrolling display of Logged data Function programming e Screen contrast adjustment e Keycode security barrier e Two independently programmable setpoint alarm levels selectable for Over Under or Window alarm functions for each sensor input e Audio visual alarm functions e Discrete alarms for General High sensor signal and Fault e 24 hour clock and calendar Data logging e Automatic period logging e 4000 readings per sensor with time date and alarm event report Datacomms e RS485 datacomms output supporting up to 32 Sentro 8 Sensorstations on a single Mod
28. 65 UM EN 07 255 257 259 Chlorine Oxygen Nitric Oxide ce oF NO Electrochemical Cell Otte 10 pom Oto 257 O to 50 pom 5 FS 5 FS 5 FS 2 10 2 per month per year per month 2 lt 20 secs N A lt 20 secs 2 years 1 year 2 years 15 to 90 non condensing 10 to 40 C 2 5 pom 19 under 5 ppm 5 ppm 23 over 20 ppm N A N A 10 ppm 05 N A 3 ppm 261 Hydrogen H 2 O to 1000 ppm 2 FS 2 per month lt 70 secs 2 years 250 pom 500 ppm N A N A www trolex com TX9165 User Manual Checkpoint All values listed are nominal and slight variations may occur depending upon operating conditions e The natural level of oxygen available in the atmosphere is influenced by relative humidity and temperature The oxygen sensor will react to these changes Sudden changes in atmospheric pressure will also cause temporary instability in electrochemical sensors which may exceed 60 seconds Long periods of use in extremely high or low humidity may affect the response of the sensor and shorten the life of electrochemical sensors Nitric oxide sensors TX6351 259 must be continuously powered to maintain calibration stability If power has been absent for more than 10 minutes it may take 24 48 hours for the sensor to restore stability Do not calibrate until the output signal is steady The presence of high levels of carbon dioxide over 5 may have a minor effect on the accuracy of the oxygen sensor
29. 7 5 Maintenance and Calibration Log Order Reference TX scheduled Replace Return www trolex com TX9165 UM EN 07 91 TROLEX lt 76 Record Keeping Institute a regular calibration and maintenance procedure and keep a record Please contact our Product Support Department at service trolex com or your local Trolex service agent for help in installing proper maintenance procedures The Maintenance and Calibration Log gives an example of a typical record system There are also sensing module user accessible locations via Modbus which can be used to store recent calibration information 77 Protection Grid Periodically check the condition of the stainless steel protection grid and sealing ring on the front cover of the instrument Clean excessive dust accumulations with a small brush or light air steam 7 8 Servicing and Repair Some versions are certified to Ex standards and must be serviced and repaired by Trolex Ltd or your local Trolex service agent approved by Trolex Ltd in order to preserve the Ex integrity Substitution of components and any additions or changes to the product will invalidate the product warranty and may contravene the terms of the intrinsically sate certificate 92 TX9165 UM EN 07 www trolex com www trolex com TX9165 User Manual 79 Disposal Part of the ethos of Trolex is sustainable design Sentro 8 contains materials that can be recovered recycled and reused At the
30. Menu From the Main Setup Menu use the navigation keypad scroll to Datacomms and select OK 54 TX9165 UM EN 07 MHAIN SETIF SECURITY RESFPLAY TIME DATE cea a MHAIN SETIF SEEURTT y LAY MAIN SETUP DATACOMMS SE TUF DATA RATE 115200 TH ON og QUIT www trolex com MHAIN ee DA TRCOMMS SETUP HOORESS DATA RATE 200 Ts ON ag Le ye DATACOMMS SETUPF ADDRESS JL OATA RATE E Ts OM oo dvs QUIT SET MAIN SETIF DATACOMMS SETUP ADDRESS oi DATA RATE 14400 Hal irz QUIT www trolex com TX9165 User Manual To Change the Address From the Datacomms Setup Menu use the navigation keypad scroll to Address and select OK Use the navigation keypad scroll up or down on the first digit to the required Address scroll right to the second digit Repeat the above for the second digit in Address and select OK Use the navigation keypad scroll to Set or Quit and select OK To Change the Data Rate From the Datacomms Setup Menu use the navigation keypad scroll to Data Rate and select OK Use the navigation keypad scroll up or down to the required Data Rate and select OK Use the navigation keypad scroll to Set or Quit and select OK To Change the TX On Setting From the Datacomms Setup Menu use the navigation keypad scroll to TX On and select OK TX9165 UM EN 07 55 TROLEX lt Use the navigation keypad scroll up or down on the
31. Module will respond to the open circuit condition occurring by generating a Low Fault condition TX9165 UM EN 07 77 TROLEX lt 4 6 Output Relays Setup AUTO PULSE TIME 00 0 eal TT The Sentro 8 Sensorstation is equipped with four integral output relays for external alarm and control purposes Initiating control commands can be assigned to any of the four relays e From Setpoint 1 SP1 General alarm on modules A to H e From Setpoint 2 SP2 High alarm on modules A to H e From a Fault on modules A to H TEST RELAY 4 e From other relays fault monitoring e From the A V Alarm fault monitoring SET I Ses The response characteristics of each of the relays can be setup according to functional requirements Checkpoint The LED relay indicator is on when the relay is powered down Alarm State 4 6 1 Mode Each relay can be independently setup to respond in three different ways Auto Reset PEEN The output relay will powerdown when the COMMAND Setpoint Command is activated On and powerup when the Setpoint Command is RELAY activated Off 78 TX9165 UM EN 07 www trolex com SETPOINT COMMAND SETPOINT COMMAND RELAY EWERGISE www trolex com TX9165 User Manual Latch The output relay will powerdown when the Setpoint Command is activated On and Latch until reset To reset a latched relay Section 6 5 D Pulse The output relay will power up when the Setpoint Command
32. Operation Operation of the Sentro 8 complete with battery back up Is simple 8 7 1 Power up 1 At the start of each shift open the battery back up housing Check the battery switch is in the Off position If the battery switch is in the On position move it to the Off position 2 Apply mains power to the Sentro 8 and battery back up In accordance with local procedures 3 With power applied move the battery switch to the On position and close the housing 96 TX9165 UM EN 07 www trolex com TX9165 User Manual 8 7 2 Power Down 1 At the end of each shift open the battery back up housing move the battery switch to the Off position Close the housing 2 Remove mains power to the Sentro 8 and battery back up in accordance with local procedures Checkpoint The Sentro 8 with a battery back up must be connected to a live mains power supply in order for the Sentro 8 to power up The Sentro 8 and battery back up are configured to operate in this way and cannot be powered up trom the battery back up alone The battery back up will only power the Sentro 8 in the event of mains power supply failure www trolex com TX9165 UM EN 07 97 TROLEX lt 8 8 Maintenance The battery back up does require planned preventative maintenance on a regular basis to keep it in the best possible condition and to ensure that It will work when needed 8 8 1 Sentro 8 Battery Back up Check Trolex recommends that the Sen
33. User Manual 3 5 Sentro 8 Sensorstation Sensing Module Positions aa AAG AAs eS Standard eModule and rModule configuration Infrared eModule Flammable gas eModule LZ www trolex com Sentro 8 eModule and rModule Configuration The standard Sentro 8 Sensorstation will accept up to four Sentro eModules in locations A B C and D plus up to four Sentro rModules in locations E F G and H Sentro rModules cannot be fitted in locations A B C and D Unused gas entry ports will be sealed The Sentro 8 Sensorstation can be adapted for non standard configurations according to specification Checkpoint To ensure equal internal power sharing do not fit Flammable Gas eModules and Infrared eModules above one another Locate these eModules horizontally or diagonally from one another Sensing Module Security Coding Six coding slots at each module bay can be individually configured using coding stops to give a choice of 20 security codes Sensing Module Retainer Sensing modules can be mechanically locked in position for added security Secure the sensing module using a suitable screwdriver and turn the retainer screw one quarter turn clockwise TX9165 UM EN 07 35 TROLEX lt 3 6 Datacomms The datacomms output is RS485 standard supporting Modbus protocol via RS485 A adaptor v lt lt 32 node RS485 MODBUS 36 TX9165 UM EN 07 www trolex com Setup and Calibration 4 1 Co
34. VE F G H 1 SREP eh rh ie SP2Z Be st FITT Tuak CCT al B a a ry E E Sie Soe Bee ee S www trolex com TX9165 User Manual 4 2 3 Relay Outputs Overview Information is displayed about the signals that are assigned to this relay from the sensing modules and other relay outputs Use the navigation keypad scroll through the Base Screens to Relay Outputs Overview Scroll to the Relay Channel you are interested in and select OK Atod Origin of incoming signal e SP1toTWA Type of incoming signal The screen prompts are as follows e The incoming signal is a Set function e The incoming signal is a Reset function e Non valid function 4 2 4 Audio Visual Alarms Overview Information is displayed about the signals that are assigned to this audio visual alarm from the sensing modules and the other relay outputs Use the navigation keypad scroll through the Base Screens to the Audio Visual Alarm Overview and select OK The screen displays the severity level of the incoming signal one bar is lowest and three bars is highest Section 6 D TX9165 UM EN 07 47 TROLEX lt 4 3 Main Setup Menu From the Base Screens press and hold down the up arrow on the navigation keypad After a few seconds the Main Setup Menu will appear The available options are as follows e Security e Check code e Set code e Display e Contrast e Auto scroll e Backlight e Confidence e Time and Date e Log
35. affected by other interfering gases which may displace the subject gas being monitored Steam laden atmospheres and condensation can also reduce the sensitivity Flammable Be aware that some toxic gases are also flammable at high percentage concentrations Operating Limits of Catalytic Combustion Sensors Catalytic combustion gas sensors positively detect the presence of flammable gas They rely upon the presence of oxygen in the atmosphere and should only be used for gas concentrations up to the Lower Explosive Limit LEL After this point the output becomes non linear and may erroneously indicate that the gas concentration is below the LEL They should not be used in oxygen enriched or deficient atmospheres 24 TX9165 UM EN 07 www trolex com TX9165 User Manual Discrimination Catalytic combustion sensors can detect a wide range of flammable gases but they cannot discriminate between individual gases They will respond to most or all of the flammable components present in the atmosphere without distinguishing between them Infrared sensors are highly specific to the defined gas type and may NOT respond to other similar gases Contamination The response of catalytic combustion gas sensors can be affected by air borne contaminants which will reduce the sensitivity Substances such as silicones tetraethy lead sulohur compounds and phosphate esters can cause permanent degradation poisoning Hydrocarbons may also cause t
36. bus network in multidrop mode to a standard PC e System reporting www trolex com TX9165 UM EN 07 11 TROLEX lt 1 6 Electrical Details Description Mining Ex General Purpose 24 V dc 10 85 to 265 V ac Supply current 200 mA maximum loading including one pellistor eModule Supply voltage 12V dc 10 Four independent alarms relays each programmable to any Output relays alarm setpoint on any monitoring channel for preferred alarm oriority grouping Relay contacts One changeover contact on each relay Suitable for and clearance Contact rating compatible for intrinsically 2 Amps 230 V ac safe circuits 12 TX9165 UM EN 07 www trolex com TX9165 User Manual 1 7 Sentro Sensing Modules Plug in pre calibrated eModules and rModules with standardised output data e Each eModule and rModule stores all the necessary data about its type identification sensing range and specific calibration This data is automatically recognised by Sentro 8 Sensorstation when the eModule or rModule is plugged into the module bay e The eModule and rModule are pre calibrated so they can be replaced at any time with a replacement sensing module usually of the same type but an alternative may be inserted if required e User configurable coding slots at each module bay can be individually configured using coding stops to prevent invalid sensing module combinations e The eModule and rModule will identify itself when plugged into
37. ct OK If a Security Code has been enabled you will be prompted to enter it enter the Security Code and select OK Assign to The Fault state can be assigned to the following e Relay 1 output e Relay 2 output e Relay 3 output e Relay 4 output e The on board audio visual alarm 74 TX9165 UM EN 07 ON OFF eee 0mA SCALING ZETEOLNT i mE ASSIGN FAULT SENSOR ASTEN FAULT RIRES a Se a www trolex com TX9165 User Manual The screen prompts are as follows e Cursor e Powerup the selected relay e Reset a latched relay e Audio alarm severity 4 5 4 Status 4 70mA Exclude SCALING A selected Sentro rModule can be excluded SETFOINT 1 l o ZELEN IT 2 to disable alarm activity To Access Status Rise La olh coo From the Sentro rModule Setup Menu use the navigation keypad scroll to Status and v select OK 4 OF 7 STATUS If a Security Code has been enabled you will EXCLUDE 5 be prompted to enter it enter the Security Code and select OK Exclude From the Exclude Menu select OK use the navigation keypad scroll to Yes or No and select OK www trolex com TX9165 UM EN 07 75 TROLEX lt 4 5 5 Calibrate PT100 If a PT100 Temperature rModule is fitted Calibrate will appear in the menu Trim the signal to suit site measured conditions 4 5 6 Setup of an On Off Input rModule The On Off Sentro rModules will respond to signals from simple switching
38. current state of the four relays e 4 Audio Visual Alarms Overview one screen displaying the current state of the Audio Visual Alarms Use the navigation keypad to scroll through the tour Base Screens 40 TX9165 UM EN 07 Sensor Station Software Vie Bee LED Dri ve Los ae ver Tutte zidi oi MEET 35 ac Oe C o s g i 7 D g m www trolex com ALL 4 Z0mA 23 0 MA ee Pane aonane NOT FITTED E NOT FITTED IE X 2 25 xyi e m NOT FITTEC HYDROGEN SEEREN 214 FRM 5 a M izi PHUN i x i D z I al 3 re Rian if Be ee a 4 www trolex com TX9165 User Manual 1 and 2 Sensor Inputs Overview The Sensor Inputs Overview displays the following information about the sensors fitted to the Sentro 8 Sensorstation e Channel address e Duty text E ATOEN e Signal status with units BOE Be e Any channel exclusions AC e Setpoint 1 alarm SP1 General alarm e Setpoint 2 alarm SP2 High alarm e Exposure alarms TWA STEL e Over range input signal e Under range input signal e High fault e Low fault l l Ta 3 Relay Outputs Overview The Relay Outputs Overview displays the state of the of the four relay outputs on the Sentro 8 Sensorstation e Output relay state e Poweroft e Poweron 4 Audio Visual Alarms Overview The Audio Visual Alarms Overview dis
39. detected on a pellistor gas sensing eModule the Sentro 8 Sensorstation will switch into Overrange Lock The screen will display the message Pell Over The transmitted output data will be clamped at full scale The pellistor in the gas sensing eModule will be switched Into a protect state to prevent oxidisation damage To Reset Check that the gas has cleared Remove the eModule wait five seconds and refit the eModule www trolex com TX9165 UM EN 07 83 TROLEX lt 6 2 Absent Sensing Module Message When the Sentro 8 Sensorstation Is first switched on or a sensing module is removed during normal operation the screen will display the message e Sensor Missing If a sensing module has not been fitted within a period of 10 seconds the screen will display the message e Not Fitted 6 3 Replacing a Sentro Sensing Module If a Sentro sensing module is removed and replaced with a sensing module of the same type then the Sentro 8 Sensorstation will first request permission to accept the new sensing module configuration or write the configuration data of the previous sensing module into the new sensing module If a Sentro sensing module is removed and replaced with a sensing module of a different type then the Sentro 8 Sensorstation will first request permission to proceed 84 TX9165 UM EN 07 E J Eg P am al SENSOR MISSING _ id lobe s e SOEPRIOT E 14 FFM I METHANE foaLe Ayy ALI
40. dule channels From the Base Screens use the navigation keypad and scroll to the required channel E F Gor H Press and hold down the left arrow on the navigation keypad After a few seconds the Sentro rModule Setup Menu will appear The options are as follows Calibrate if PT100 fitted Scaling Sig Fig Lower Upper Units Update Text Setpoint 1 Activate Level Assign To Hysteresis On Delay Off Delay Setpoint 2 Activate Level Assign To Hysteresis On Delay Off Delay Assign Fault Assign To Status Exclude TX9165 UM EN 07 69 TROLEX lt Checkpoint The standard configuration for a Sentro 8 has rModules fitted in locations E to H It is possible that eModules are fitted in locations E to H but this is a factory fitted configuration If you are unsure which modules you have fitted to your Sentro 8 look at the Sensor Inputs Overview for channels group E to H and see if gas types are displayed If gas types are displayed you have eModules fitted in channel group E to H If you are still unsure contact service trolex com for assistance 4 5 1 The various characteristics of the analogue input signal scale values can be configured Scaling To Access Scaling From the Sentro rModule Setup Menu use the navigation keypad scroll to Sealing and select OK If a Security Code has been enabled you will be prompted to enter it enter the Security Code and select OK Sig Fig The position o
41. ed the 14 4 V Russia Certification Customs Union TX9165 01 1 Sentro 8 Sensorstation Group 1 Ex Certificate Number RU C GB fb05 B 00616 Ex Certificate Code PO Ex ial Ma X General Conditions for Safe Use Prior to installation it is essential that user refers to the above certificate for any special conditions for safe use The user must ensure that the termination and cable parameters are fully complied with and are compatible with the application Copies of certificates are available from Trolex South Africa Certification TX9165 01 1 Sentro 8 Sensorstation Group 1 Ex Certificate Number MASC M 11 420 General Conditions for Safe Use Prior to installation it is essential that user refers to the above certificate to ensure that the termination and cable parameters are fully complied with and are compatible with the application Copies of certificates are available from Trolex 22 TX9165 UM EN 07 www trolex com TX9165 User Manual Australia Certification IECEx TX9165 01 i Sentro 8 Sensor Station Ex Certificate number IECEx ITA 13 0023X Issue 0 Ex Certification code Ex ia Ma Conditions of Safe Use Where an external sensor is used with Type TX9160 011 301 4 to 20 mA TX9160 011 303 0 4 to 2 V TX9160 011 321 4 to 20 mA Differential or TX9160 011 323 0 4 to 2 V Differential rModules and powered trom a separate intrinsically sate power supply the following conditions shall be No connection shall
42. emporary Inhibition Interference If the atmosphere to be monitored contains a gas that dilutes or displaces the air this may reduce the response of catalytic sensors Similarly steam laden atmospheres and condensation can reduce the stability High Concentrations of Flammable Gas Exposure of low concentration catalytic combustion sensors to concentrations of flammable gas greater than the LEL can affect the sensitivity and zero stability of catalytic elements and the calibration should be checked after such an exposure Toxicity Be aware that most flammable gases and vapours are also toxic at low concentrations of LEL www trolex com TX9165 UM EN 07 25 TROLEX lt 3 2 Siting Recommendations Location of Gas Detectors Each installation needs to be considered in its own right with reference to safety authorities and in compliance with mandatory local safety regulations The sensor must be operated in accordance with the User Manual to maintain safety reliability and to preserve safety integrity where applicable It is important that sensors are located in positions determined in consultation with those who have specialised knowledge of the plant or installation and of the principles of gas dispersion Reference should also be made to those responsible for the engineering layout and topology of the plant as they will be most familiar with the nature of the potential dangers and the most likely sources of gas release It is als
43. entro rModule that may be loaded into module bays E to H e The rModules are creepage and clearance compliant with intrinsically safe requirements e Most remote sensors can normally be powered by the supply source available from the Sentro rModule 4 to 20 mA Analogue Sensing Module TX9160 301 rModule e 2wire signal loop e Line powered sensor Max cable length 1 5 mm 2 5 mm Max external loop resistance Sensor voltage TX9165 01 Use 12 V dc sensor TX9165 03 Use 24 V dc sensor Sensor current available Line powered 30 TX9165 UM EN 07 e 2wire signal loop e Additional wire for sensor power 0 V 2000 m 5000 m 600 ohms 12 V dc via module 24V dc via module 100 mA e 2wire signal loop 2 wires for power Vand OV 12 V dc via module 24 V dc via module 100 mA www trolex com TX9165 User Manual 0 4 to 2 V Analogue Sensing Module TX9160 303 2 wire rModule e 2wire voltage e 2wire voltage signal signal 2 wire voltage e V power supply to V power supply to signal sensor sensor e Sensor powered e OV power supply to OV power supply to from independent sensor combined sensor combined or integral local with O V signal with a OV signal power supply on separate conductors Max cable length 10 mA 40 mA 10mA 40 mA Sensor Sensor Sensor Sensor 1 5 mm 4000 m 80 m 20 m 200 m 2000 m 2 5 mm 10000 m 200 m 50m Volt drop introduced The potential cable on to the
44. f the decimal point can be shifted along the displayed number to the best Significant Figure to suit the particular sensor signal being monitored and its optimum measuring range This can be used to eliminate digit flicker and redundant decimal places 70 TX9165 UM EN 07 4 70MA SCALING SIG FIG R LOWER 04 0 WFPER 20 0 DISPLAY UPPER VALUE P P i LOWER INPUT SIGNAL www trolex com ae ee p LE SIG FIG Rusk M o0 UFPER 20 0 QUIT 4 20mA SCALING UFDATE 10 TEXT AII 4 20MmA 4 Z0MA SCALING mA ERO l a OMA SCALING UNITS mA UFDATE a0 Ha AII 4 fa0mA QUIT www trolex com TX9165 User Manual Lower Upper Set the desired Lower and Upper limits of the displayed reading for a given magnitude of input signal scan This can be any numeric value and the polarity can be any negative value through to any positive value Checkpoint Enter the preferred Sig Fig before setting the Lower and Upper values Units A menu of most standard engineering units is available for adding on to the signal value displayed An option called Create User Defined Units will appear in the units menu choice Specific user defined units can be configured Up to four characters of text can be entered into the Sentro 8 Update The Input Signal is sampled at pre determined intervals and the Update time period is adjustable Signal
45. first digit to the required TX On number scroll right to the second digit Repeat the above for the second digit in TX On and select OK Use the navigation keypad scroll to Set or Quit and select OK To Change the TX Off Setting From the Datacomms Setup Menu use the navigation keypad scroll to TX Off and select OK Use the navigation keypad scroll up or down on the first digit to the required TX Off number scroll right to the second digit Repeat the above for the second digit in TX Off and select OK Use the navigation keypad scroll to Set or Quit and select OK 4 3 6 Reset Exposure Checkpoint STEL and TWA that has accumulated in any toxic gas Sentro eModules will be simultaneously reset to zero Checkpoint The accumulated STEL and TVVA levels should only be reset by authorised personnel 56 TX9165 UM EN 07 MHAIN SETIF ee SETUF QUIT MAIN SETUP SECURITY DISPLAY TIME DATE __ LOG ee err RESET EAFUSURE DASE i aes www trolex com TX9165 User Manual To Access the Reset Exposure Menu From the Main Setup Menu use the navigation keypad scroll to Reset Exposure and select OK MHAIN SETI PO To Reset Exposure From the Reset Exposure Menu select OK use the navigation keypad scroll to Yes or No and select OK RESET EX SURE pea facile Use the navigation keypad scroll to Set or Quit and select OK www trolex com TX9165 UM EN 07 57 TROLEX lt
46. it Repeat the above for the second and third digit in Level and select OK Use the navigation keypad scroll to Set or Quit and select OK Assign To The Setpoint On alarm state can be assigned to the following e Relay 1 output fe e Relay 2 output I sez e I e Relay 3 output A F Faut Rito R e Relay 4 output e The on board audio visual alarm The Assign To of Setpoint 1 SP1 General alarm and Setpoint 2 SP2 High alarm can be setup to preference The screen prompts are as follows e Cursor e Powerup the selected relay e Reset a latched relay e Audio alarm severity HYSTERESIS Hysteresis Hysteresis is the deadband between the ON setpoint Activating On and Activating Off opp as the input signal increases and decreases Checkpoint C The Activating Off level is defined with respect to the programmed Activating On SETPOINT setpoint level ACTIVATION www trolex com TX9165 UM EN 07 73 TROLEX lt On Delay Off Delay The Activation On of the setpoint can be delayed by an adjustable time period t On The Activation Off of the setpoint can also be delayed by an adjustable time period t Off 4 5 3 Assign Fault Each Input channel E to H has a Fault alarm Output state e Analogue input signal over range e Analogue input signal under range e Module fault To Access Assign Fault From the Sentro rModule Setup Menu use the navigation keypad scroll to Assign Fault and sele
47. itions for impact protection and external fuse protection in the case of the infrared eModule The Excertificates associated with the Sentro eModules and rModules are listed below eModule Flammable Group IECEx SIR 10 0018U eModule Toxic Group IECEx SIR 08 0036U eModule Infrared Group IECEx SIR 10 0185U rModule Group IECEx SIR 10 0013U www trolex com TX9165 UM EN 07 21 TROLEX lt Attention is drawn to the following conditions within the rModule Ex certificates For the purpose of this certificate a P F inductive sensor to PTBOO ATEX 2048X to Category 1G Ex ia IIC 16 connected to terminals 1m and 2m of a TX9160 011 501 NAMUR input module may be considered equivalent to Category M1 The sensor shall be installed in such a manner as meets the requirements of Group e g the external enclosure to meet IP54 impact protection etc Where an external sensor is used with Type TX9160 011 301 4 to 20 mA TX9160 011 303 0 4 to 2 V TX9160 011 321 4 to 20 mA Differential or TX9160 011 323 0 4 to 2 V Differential rModules and powered trom a separate intrinsically safe power supply the following conditions shall be met e Noconnection shall be made to rModule terminal 1m power e The OV of the external sensor power supply shall be connected to the O V input of the equipment that the rModule is plugged into e The Ui presented by an externally powered sensor to any rModule terminals 2m or 3m shall not exce
48. libration work Is carried out www trolex com TX9165 UM EN 07 87 TROLEX lt 7 3 Service Replacement Sensing Modules service replacement Sentro eModules and rModules can be supplied by our Product Support Department on a regular basis Contact service trolex com for assistance simply insert the replacement eModule or rModule into the Sentro 8 and return the original for calibration using the envelope provided 7 4 Replacing a Sentro Sensing Module Identify the sensing module to be replaced To prevent a Fault condition being generated when the sensing module is removed it is necessary to Exclude the sensing module From the Base Screens use the navigation keypad scroll to the required sensing module press and hold down the left arrow on the navigation keypad Use the navigation keypad scroll to Status and select OK Select OK to access the Exclude Menu Use the navigation keypad scroll to Yes and select OK Use the navigation keypad scroll to Set or Quit and select OK 88 TX9165 UM EN 07 CARBON MONOXIDE 4 PPM E g CARBON MONOXIDE ii rem U OXYGEN E e102 E TEMPERATURE ad E CARBON MONOXIDE sas SETPOINT Z ASSIGN FAULT ah ie z STATUS CARBON MUNUALUE SIRTOS EXCLUDE SET i DUF www trolex com TX9165 User Manual Using a suitable size screwdriver turn the sensing module retainer screw anti clockwise to release the sensing module
49. lp 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 2015 Trolex Limited Trolex is a registered trademark of Trolex Limited The use of all trademarks in this document is acknowledged Document History Issue 6 1 December 2014 Sixth issue of this document Issue 7 15 June 2015 Seventh issue of this document Contact Details Trolex Ltd Newby Road Hazel Grove Stockport Cheshire SK7 5DY UK 44 0 161 483 1435 sales trolex com 100 TX9165 UM EN 07 www trolex com TROLE gt Trolex Ltd Newby Road Hazel Grove t 44 0 161 483 ia e sales trolex com
50. lt on sensing modules A to H e From a Fault on sensing modules A to H e Relays 1 to 4 fault monitoring 5 1 Alarm Severity Selection General Alarm J Slow repeating pulse Warning Alarm e m i x t Faster double repeating pulse Critical Alarm Faster insistent pulse A Confidence Alert J a To indicate that a ne the Sentro 8 y secs Sensorstation is On and functioning Checkpoint To view an Alarm Event and mute the Audible Alarm enter the Mono View to view detailed information about the Alarm Event This action will also mute the audible alarm www trolex com TX9165 UM EN 07 81 TROLEX lt 5 2 Assign Fault The Audio Visual indicators are equipped with self function monitoring and will generate a Fault signal if a device failure is detected The Fault signal will be generated at the moment when the Audio Visual alarm is activated On The Fault state can be assigned to e Relay 1 output e Relay 2 output e Relay 3 output e Relay 4 output The screen prompts are as follows e Cursor P e Powerup the selected relay p 82 TX9165 UM EN 07 www trolex com TX9165 User Manual Diagnostics E METHANE 6 1 Over Range Indication on a Pellistor Gas Sensing eModule Incorrect readings will be given by a pellistor le as eT ES gas sensing eModule if it is exposed to BASE Murdi gas concentrations that exceed its normal working range When over range is
51. n and applicable local procedures when handling test gases Checkpoint When calibrate is selected the eModule will output a fixed value of 0 00 This prevents the possibility of false alarm signals being activated in the monitoring equipment during the calibration process 20 will be output for an oxygen sensor Fit a gas hood to the corresponding port of the eModule being calibrated Connect the gas application tube from the clean air test gas cylinder to the gas hood fitted to the eModule being calibrated www trolex com TX9165 UM EN 07 59 TROLEX lt Zero From the Sentro eModule Setup Menu use the navigation keypad scroll to Calibrate and select OK If a Security Code has been enabled you will be prompted to enter it enter the Security Code and select OK The screen will display an arbitrary reading Open the valve and apply clean air from the test gas cylinder at a rate of 1 litre min to clear any gas from the sensor Wait for the reading to settle at a stable value not necessarily O When stable select OK to Zero the reading If the Zero point continues to shift then select OK again Close the valve and stop the supply of clean alr Disconnect the application tube from the gas port Use the navigation keypad scroll to Span and select OK 60 TX9165 UM EN 07 E LARBON MONOATDE SETFOINT SE CODE ASS moa JLT STATUS BASE www trolex com H CHROUN MONOALOUE
52. nnections TX9165 03 General Purpose ko l I A Output Output Output Output wi al 2 gt amp T Contact Contact Contact Contact ao Contact rating 2 Amps 230V ac Dr 24V dc Supply www trolex com TX9165 UM EN 07 27 TROLEX lt TX9165 01 Mining Ex Sew amp FH EN ER 3 gt amp Output Output Output Output Contact Contact Contact Contact q A Contact rating 2 Amps 230 V ac 5 v RS485 Suitable for and clearance le iat Datacomms compatible for intrinsically safe circuits Relay Output Contacts Each relay output R1 R2 R3 and R4 has 4 galvanic isolation between coil and contacts to intrinsically safe standards so different external intrinsically safe control circuits may 10 mm be connected to the Sentro 8 Sensorstation S ba Datacomms Ports Datacomms signals must be approved intrinsically safe The power supply for the datacomms signal may come from a different intrinsically safe source 28 TX9165 UM EN 07 www trolex com TX9165 User Manual Relay Operation R1 R2 R3 and R4 Setpoint Setup in hq Setpoint Setup in id OVER condition UNDER condition Power OFF LED O l Power ON I Set point Setpoint activated OFF Set point a Setpoint activated ON Section 4 4 2 www trolex com TX9165 UM EN 07 29 TROLEX lt Connections to Sentro rModules Remote sensor input cables are connected directly into a S
53. ntrols and Indicators LCD Visual Screen Alarm Gas Entry Ports TX9165 01i fECEx SIR Ex ia Ma sTas Sia opaTexazas IMI Ex ia iMa CE www trolex com TX9165 User M Relay Indicating LEDs TX9165 UM EN 07 Audible Alarm Setup Keypad 37 TROLEX lt T Relay moduls aa Indicating ay i LEDs Audible Alarm Setup Sentro Keypad Sensing eModules Sentro Coding Sensing Slots rModules 38 TX9165 UM EN 07 www trolex com 4 1 1 Navigation www trolex com TX9165 User Manual The Sentro 8 Sensorstation software is navigated using the Setup Keypad The Setup Keypad consists of a navigation keypad and an OK key The navigation keypad is a four way controller to navigate you through the software Holding down one of the direction arrows on the navigation keypad scrolls through the menu The OK key is to confirm menu selections TX9165 UM EN 07 39 TROLEX lt 4 2 Start Screen When the Sentro 8 Sensorstation is initially powered up the Start screen will be displayed for a few seconds The Start screen displays basic information about the Sentro system 4 2 1 Base Screens After initial power up is completed the first of the four Base Screens will appear The four Base Screens display the following e 1 amp 2 Sensor Inputs Overview two screens one displaying channel group A to D and the other channel group E to H e 3 Relay Outputs Overview one screen displaying the
54. o important to recognise that the characteristics of the gas source can be influenced by many factors including the relative density or buoyancy of the gas the pressure at the point of release the ambient temperature and the ventilation of the site sensor coverage cannot be simply expressed in terms of number per unit area sensors need to be sited where they are capable of monitoring those parts of a plant where gas may accumulate or where a source of gas release is expected to occur This way the earliest possible warning of a gas release can be given to initiate shutdown functions alarm functions or safe evacuation of the premises Sensor Management A very important part of an efficient gas monitoring system is the training of plant personnel in operation and maintenance of the sensors and the complete monitoring system Training can be provided by qualitied Trolex application engineers Once a sensor installation is complete the sensor locations and types should be formally recorded and a planned test and maintenance procedure instituted 26 TX9165 UM EN 07 www trolex com TX9165 User Manual STEL and TWA selected gas sensors are equipped to automatically calculate STEL and TWA limits in accordance with COSHH standards If the facility is selected for use ensure that all accumulated data Is reset to zero before the commencement of a working period Section 4 2 2 5 Section 4 3 6 gt Section 4 4 4 3 3 Co
55. oint 2 SP2 High alarm marker with a numerical value on the right side Alarm Messages e Setpoint 1 SP1 General alarm or Setpoint 2 SP2 High alarm On e Setpoint 2 SP2 High alarm On e The input signal is under range e The input signal is over range A location is temporarily excluded e The input signal is low fault e The input signal is high fault e The STEL alarm in the eModule is activated e The TWA alarm in the eModule is activated Checkpoint Scroll up or down to view the Mono View information on an adjacent input channel TX9165 UM EN 07 43 TROLEX lt 4 2 2 2 Minmax View The Minimum and Maximum value that the signal has reached since last updated with time and date stamp To update the values displayed use the navigation keypad to scroll to Update and select OK 4 2 2 3 Trend View The display field displays 100 logged readings and will jump forward in lots of ten Total maximum logged readings 1 to 4000 e Setpoint 1 SP1 General alarm e Setpoint 2 SP2 High alarm e Trend cursor Section 4 2 2 4 To Review the Trend Use the navigation keypad scroll up or down to review the Trend and select OK to view the Log values at the current trend cursor position Select OK to return to Trend Section 4 2 2 4 44 TX9165 UM EN 07 A OA GEN T mim i OO Og O1L 01 2000 O1 01 2000 MONG 7 UFORTE Ries Int OOF Cur OO01 MINMAS Tale D METHANE
56. plays the alarm status TX9165 UM EN 07 41 TROLEX lt More detailed information about Sensor Inputs Relay Outputs and Audio Visual Alarms can be displayed Use the navigation keypad scroll through the tour Base Screens of Sensor Inputs Overview two Relay Outputs Overview and Audio Visual Alarms Overview to the channel you wish to view in detail and select OK 4 2 2 Sensor Inputs Overview The detail view of each channel is displayed on four five screens in the following order e Mono View e Exposure View toxic gas eModule only e Minmax View e Trend View e Log View The Mono View appears first Use the OK key to step through the detail views and back again to the Base Screens displaying the sensor Inputs Overview 1 amp 2 Checkpoint The direction of a step can be changed at any time by using the navigation keypad to highlight the next view required in the bottom bar 42 TX9165 UM EN 07 A DATOEN T Int OOF Cur 00L MINMAS me Rf v D METHANE TIME O01 56 30 2 DATE 01 7 O1 7 OO Ois 0007 www trolex com A OA GEN www trolex com TX9165 User Manual 4 2 2 1 Mono View This displays more detailed information about Individual channels Channel Information This is a bar graph of the input signal with lower and upper scale values on the left and right The arrow indicates increasing stable decreasing signal tendency Setpoint 1 SP1 General alarm and Setp
57. r from the sensor Wait for the reading to settle at a stable value this is not necessarily the calibration gas value and select OK when stable Select OK again if the displayed value continues to shift Use the navigation keypad scroll to Done or Quit in the toolbar and select OK Shut the valve and stop the supply of calibration gas to the sensor Disconnect the application tube from the gas hood and remove the gas hood 62 TX9165 UM EN 07 H LARGON MONGA LOE SPAN VALUE EXPECTED _ CHANGE enaA CUIT CARBON MONOXIDE lt H LIGRHTE SFHN APPLY SPAN GAS EBONE rl Fn Ue eat LARGON MUNUALDUE CALIGRATE SF HN 24 APPLY SPAN GAS DONE TA www trolex com SETPOINT LEVEL SETPOINT ACTIVATION OVER SETPOINT ACTIVATION UNDER Fi CARBON MONOXIDE SETPOINT l www trolex com TX9165 User Manual 4 4 2 Setpoint 1 and Setpoint 2 Each input channel A to H has two Setpoint On alarm states Setpoint 1 SP1 General alarm and Setpoint 2 SP2 High alarm The available options are as follows e Activate e Level e Assign To Access the Setpoint 1 or Setpoint 2 Setup Menu From the Sentro eModule Setup Menu use the navigation keypad scroll to Setpoint 1 or Setpoint 2 and select OK If a Security Code has been enabled you will be prompted to enter it enter the Security Code and select OK Activate The Activate mode of Se
58. rolex com TX9165 User Manual Use the navigation keypad scroll up or down to change the time units to Secs Mins or Hours and select OK Use the navigation keypad scroll to Set or Quit and select OK To Change the Log Period From the Log Setup Menu use the navigation keypad scroll to Log Period and select OK Use the navigation keypad scroll up or down to change the Log Period digits and select OK Use the navigation keypad scroll to Set or Quit and select OK To Clear the Log Caution Always clear the Log after any fundamental changes have been made to the Sentro 8 Sensorstation e Replacement of eModule or rModule e Change of Log Period e Change of Remote Sensor From the Log Setup Menu use the navigation keypad scroll to Clear Log and select OK Use the navigation keypad scroll to Yes or No and select OK Use the navigation keypad scroll to Set or Quit and select OK TX9165 UM EN 07 53 TROLEX lt 4 3 5 Datacomms Protocol The protocol characteristics required for the Modbus datacomms can be setup where the Sentro 8 Sensorstation is being integrated into a wider communication network or to interface with a PC or SCADA system Data Protocol Modbus Format Binary Databits 8 Stopbits 1 Parity None 300 600 1200 2400 4800 9600 Data rate 14400 19200 28800 38400 57600 115200 Address RONG TX On Cio Soins TX Off 0 to 99 ms Duplex Half To Access the Datacomms Setup
59. such a manner as meets the requirements of Group e g the 20 TX9165 UM EN 07 www trolex com TX9165 User Manual external enclosure to meet IP54 impact protection etc Where an external sensor is used with Type TX9160 011 301 4 to 20 mA TX9160 011 303 0 4 to 2 V TX9160 011 821 4 to 20 mA Differential or TX9160 011 323 0 4 to 2 V Differential rModules and powered trom a separate intrinsically safe power supply the following conditions shall be met e Noconnection shall be made to rModule terminal 1m power e The OV of the external sensor power supply shall be connected to the O V input of the equipment that the rModule is plugged into e The Ui presented by an externally powered sensor to any rModule terminals 2m or 3m shall not exceed 14 4 V International Certification IECEx TX9165 01 1 Sentro 8 Sensorstation Group 1 Ex Certificate number IECEx SIR 09 0120X Ex Certification Code Ex ia Ma General Conditions for Safe Use Prior to installation it is essential that the user refers to the relevant certificate to ensure that the termination and cable parameters are fully complied with and are compatible with the application Copies of certificates are available from www trolex com Points to note relating to Sentro eModules and rModules The minimum ingress protection stated in the Excertificates for the Sentro eModules and rModules are satisfied when mounted in the Sentro 8 Sensorstation as are the cond
60. th series diode switch line with series diode e Detection of OPEN CIRCUIT e Detection of OPEN CIRCUIT switch line also when contact switch line also when contact shunt resistor is added shunt resistor is added Max cable length 500m 500 m Sensor voltage 8 2 V dc via module 8 2 V dc via module Frequency range 10 k Hz 10 k Hz Checkpoint Discrete Fault alarms generated for Open Circuit Section 4 5 6 gt and Short Circuit line condition www trolex com TX9165 UM EN 07 33 TROLEX lt 3 4 Connecting in Mining and Tunnelling Areas The Sentro 8 Sensorstation is approved intrinsically sate for use in underground mining hazardous areas category M1 The complete system is powered from a single approved intrinsically safe 12 V dc power source and all elements of the system Including approved sensors can be mounted in the hazardous area sensor voltage 12 V de sensor certification Ex ia 1 M1 Hazardous area Checkpoint Creepage and clearance on terminal groupings of the Sentro 8 Sensorstation are sufficient to permit the routing of circuits emanating from different intrinsically safe power supplies through the Sentro 8 Sensorstation Checkpoint The outer cover of the Sentro 8 Sensorstation may be safely removed when the Sentro 8 Sensorstation Is powered up in order to replace a gas sensing eModule or to perform calibration Section 6 3 gt Section 74 gt 34 TX9165 UM EN 07 www trolex com TX9165
61. the module bay auto configuration will take place and the sensing module type will display on the LCD screen e All Sentro eModules and rModules have two output alarm signals for General alarm and High alarm Default values are entered during manufacture and these can be changed to preferred values e There are two types of Sentro sensing module Sentro eModule Sentro rModule Integral Gas Sensor Terminals for Connecting Remote Sensors www trolex com TX9165 UM EN 07 13 TROLEX lt 1 7 1 Sentro eModules For the full range of Sentro eModules refer to the Sentro 8 Product Data Sheet TX9165 DS EN or contact the Trolex Sales Team sales trolex com 1 7 1 1 Flammable Gases Poison Resistant Catalytic Sensor The sensor will respond to most flammable gases and vapours to varying degrees it is normally calibrated to methane In AN terms of LEL or volume TX6350 Sensing element Sensing range Linearity Max Drift 25 C Response time T63 Response time T90 Sensing element life Warm up time GENERAL alarm HIGH alarm Checkpoint 240 246 244 Methane Methane Methane CE CH CH Poison resistant pellistor with active temperature humidity compensation Oto 100 LEL 0 to 4 v v 0 to 5 v v Linear to 3 v v and 3 to 5 0 25 v v 0 25 CH v v per month lt 15 secs lt 20 secs gt 5 years in clean atmosphere lt 5 mins in air or 1 v v CH to 95 of stated accuracy 10 LEL 0 44 v v 20 LEL 0 88 v
62. tion 94 TX9165 UM EN 07 www trolex com TX9165 User Manual 8 3 Battery The Sentro 8 battery back up is equipped with a sealed lead acid battery pack mounted in an enclosure with a universal charger The lead acid battery is rated at 24 V and 2 Ah The universal charger will accept a supply voltage of 85 to 265 V ac Expected Battery Life sentro 8 with battery back up Sentro 8 with battery back up and RS485 Repeater Sentro 8 with battery back up and Ethernet Converter 8 4 RS485 Repeater TX2122 56 An optional RS485 Repeater can be fitted to boost the Incoming data signal and Increase the transmission distance of the line 8 5 Ethernet Converter An optional Ethernet Converter can be fitted It is a single port RS485 to TCP IP converter This enables the RS485 output of the Sentro 8 to be converted to a TCP IP signal with an RJ45 connector for ease of connection www trolex com TX9165 UM EN 07 95 TROLEX lt 8 6 Battery Back up Connections If the Sentro 8 and battery back up have been purchased as a Sensor Station it will be supplied mounted on a support and wired together No wiring between the Sentro 8 battery back up and any accessories will be required It will be necessary to wire mains power into the battery charger and data communications into the battery back up unit System drawings will be supplied by Trolex and will Indicate where power and data communications need to be connected 8 7
63. tpoint 1 and Setpoint 2 can be setup to preference From the Setpoint 1 or Setpoint 2 Setup Menu use the navigation keypad scroll to Activate and select OK Use the navigation keypad scroll to Over or Under and select OK Use the navigation keypad scroll to Set or Quit and select OK TX9165 UM EN 07 63 TROLEX lt Level The operating Level of Setpoint 1 and Setpoint 2 can be setup to preference From the Setpoint 1 or Setpoint 2 Setup Menu use the navigation keypad scroll to Level and select OK Use the navigation keypad scroll up or down on the first digit to the required Level value Scroll right to the second digit Repeat the above for the second and third digit in Level and select OK Use the navigation keypad scroll to Set or Quit and select OK 64 TX9165 UM EN 07 E CARBON MONOXIDE SETPOINT 1 aE AS IGN PAUL T EXPOSURE Tio a a CARBON MONOXIDE SETPOINT 1 www trolex com gt iy R1 to A4 CARGON MONOXIDE AZSIGN FAULT EXFOSURE STATUS BASE ane I A CARBON MONOXIDE SETPOINT 1 ACTIVATE LEVEL www trolex com TX9165 User Manual Assign Setpoint The Setpoint 1 or Setpoint 2 On alarm state can be assigned to the following e Relay 1 output e Relay 2 output e Relay 3 output e Relay 4 output e The on board audio visual alarm The Assign To of Setpoint 1 and Setpoint 2 can be setup to preference From the Setpoint 1 or Setpoint 2 Setup
64. tro 8 Battery Back up Check is carried out every 1 month 1 Check the Sentro 8 and battery back up are securely attached Re secure as necessary 2 Check the exterior casing for cracks penetration water ingress signs of being struck missing parts or other damage 3 Contact Trolex or your local Trolex service agent to arrange for your Sentro 8 and battery back up to be repaired service trolex com 4 After the completion of all maintenance update the maintenance records 8 8 2 Battery Back up Discharge Test Trolex recommends that the Battery Back up Discharge Test is carried out every 3 months 1 Powerup the Sentro 8 see Section 8 7 for details 2 Remove the mains power supply and start a stopwatch 3 Measure how long the back up batteries keep the Sentro 8 powered up for 98 TX9165 UM EN 07 www trolex com TX9165 User Manual 4 Compare the time with the table in Section 8 3 5 If batteries fail to achieve the required time they should be replaced 6 Contact Trolex or your local Trolex service agent to arrange for your batteries to be replaced service trolex com 7 After the completion of all maintenance update the maintenance records 8 8 3 Battery Back up Cells Replace Trolex recommends that the Battery Back up Cells Replace is carried out every 3 years 1 Contact Trolex or your local Trolex service agent to arrange for your cells to be replaced service trolex com
65. xt digit repeat for all four digits and select OK 4 3 2 Display To Access the Display Settings Menu From the Main Setup Menu use the navigation keypad scroll to Display and select OK To Adjust the Display Contrast From the Display Settings Menu use the navigation keypad scroll to Contrast and select OK TX9165 UM EN 07 49 TROLEX lt Use the navigation keypad scroll left or right to adjust the Display contrast level and select OK Use the navigation keypad scroll to Set or Quit and select OK To Adjust the Display Scrolltime Checkpoint The Base Screen can be configured to automatically scroll between the two channel groups A to D and E to H The time interval between scrolling Is adjustable and this is Scrolltime From the Display Settings Menu use the navigation keypad scroll to Scrolltime and select OK Use the navigation keypad scroll up or down on the first digit scroll right to the second digit repeat for the second digit and select OK Use the navigation keypad scroll to Set or Quit and select OK To Set the Display Backlight On Off From the Display Settings Menu use the navigation keypad scroll to Backlight and select OK Use the navigation keypad scroll up or down to set the Backlight On or Off and select OK Use the navigation keypad scroll to Set or Quit and select OK 50 TX9165 UM EN 07 SETUP SETTINGS HAIN DISFLAY CONTRAST SCROLLTIME o0 BACKLIGHT OM

TX9165 - Sentro 8 Sensorstation - User Manual

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