Servomex SERVOTOUGH Laser 3 Plus Operator's Manual
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Servomex SERVOTOUGH Laser 3 Plus Operator's Manual

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SERVOTOUGH Laser 3 Plus
OPERATOR MANUAL
Part Number:
07931001B
Revision:
6
Language:
ENGLISH UK/US

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Summary of Contents for Servomex SERVOTOUGH Laser 3 Plus

  • Page 1 SERVOTOUGH Laser 3 Plus OPERATOR MANUAL Part Number: 07931001B Revision: Language: ENGLISH UK/US...
  • Page 2 This page intentionally blank © Servomex Group Limited. 2020...
  • Page 3 This handbook is accurate at the date of printing but will be superseded and should be disregarded if specifications or appearance are changed. Servomex is a registered trademark of Servomex Group Limited. The use of all trademarks in this document is acknowledged.
  • Page 4 This page intentionally blank. © Servomex Group Limited. 2020...

  • Page 5: Table Of Contents

    4.3 Settings Related to Process Conditions “Physical Set-up” ........47 4.4 Configure mA outputs ....................50 4.5 Configure measurement alarms ................55 4.6 Configure relay outputs .................... 60 4.7 Filtering ........................65 4.8 Unit select ........................ 65 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 6 8.1 Service functions ....................163 8.2 Routine maintenance .................... 166 8.3 Cleaning ........................ 167 8.4 Routine checks ...................... 167 8.5 Alignment / purging flanges ................... 168 8.6 Enclosure purge and breather (if fitted) ..............168 © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 7 7.4.1 General safety ....................202 7.4.2 Glands and cable entries .................. 203 Functional earth / ground requirements ............204 7.5.1 Power cable connections ................. 204 7.5.3 Identification and location of electrical terminals ..........204 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 8 Purge connections ................... 205 7.6.1 Alignment / purging assemblies ............... 205 7.6.2 Enclosure environmental / measurement (Instrument) purge ......205 Routine maintenance ..................205 Alignment / purging flanges ................207 © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 9 Figure 4-20: Set alarm level and hysteresis menu ..............59 Figure 4-21: Set alarm follow menu ..................60 Figure 4-22: Alarm history menu ....................60 Figure 4-23: Relay output selection menu ................61 Figure 4-24: Relay output configuration menu ................61 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 10 Figure 7-28: Installation: Large O-ring compression check ............160 Figure 7-29: Installation: adjust laser intensity on the photodiode ...........161 Figure 8-1: mA override menu ....................163 Figure 8-2: mA output calibration menu ..................163 Figure 8-3: mA input menu ......................164 © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 11 Table 7-2: Pre-installation check list ..................133 Table 7-3: Mechanical installation check list ................155 Table 7-4: Alignment check list ....................156 Table 7-5: Software configuration check list ................162 Table 7-6: Measurement configuration check list ..............162 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 12 This page intentionally blank viii © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 13 Description number Optional manual us for use by qualified Service Manual personnel and provides detailed 07930002B servicing instructions. Functional Safety Optional functional safety manual. 07930006B Certification Details of Certification requirements. 07930008B Manual 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 14 This page intentionally blank © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 15: Safety

    The gases included in the process being monitored may be toxic, asphyxiant or flammable. Before you use the Laser 3 Plus, make sure that all connections are leak-free at full operating pressure to 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 16: Laser Safety

    Relay from Analyzer Main Board Sealed Device Relay from Option Board Sealed Device Relay from Option Board Sealed Device Substitution of the following components may impair suitability for Division 2 (North America only): © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 17 0.8 to 1.1 bar absolute (11.6 to 15.95 psi). If used with a flammable process atmosphere beyond these limits, the hazardous area certification may be invalidated. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 18: Markings

    Follow the appropriate safety instructions and be aware of any warnings about potential hazards. Label locations Figure 1-1: Laser 3 Plus transmitter unit rating label location Figure 1-2: Laser 3 Plus receiver unit certification label location © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 19: Figure 1-3: Laser 3 Plus Transmitter Unit Certification Label

    Figure 1-3: Laser 3 Plus transmitter unit certification label and EMC / function earth label location Figure 1-4: Laser 3 Plus receiver unit laser label location 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 20: Figure 1-5: Laser 3 Plus Transmitter Unit Laser Label Location

    Figure 1-5: Laser 3 Plus transmitter unit laser label location Figure 1-6: Laser 3 Plus mount laser label location © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 21: Introduction

    Figure 2-1: Laser 3 Plus example installation (exploded view) Receiver Unit Process gas O-ring Adjustable mount (2 variants) Fixed mount or adjustable Transmitter Unit Gasket or O-ring Non-visible laser beam path Process pipe, stack, duct, etc. Process flange and nozzle 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 22: Figure 2-2: Laser 3 Plus Installation: Showing Thermal Spacer And Isolation Flange Options

    3 and 6 are selectable options. If item 6 is required, it must be fitted to the TU side. Items 8, 9,10 and 11 are optional, additional gaskets, fasteners and adaptors may be required. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 23: Transmitter Unit

    Window purge in Purge 2: Enclosure gas “IN” Cable entry glands: see section 7.4.2 2 x M16 x 1.5 mm (ports 2 and 3) 2 x M20 x 1.5 mm (ports 1 and 4) 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 24 Two 0 / 4 to 20 mA inputs Two additional status relay outputs Customer connection terminals Accessible terminals are provided for: 24 V DC power feed Analog outputs Analog inputs Relays MODBUS TCP © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 25: Receiver Unit

    Cable entry gland (1 off M20 x 1.5 mm) Purge 2: Enclosure gas “IN” Window purge in Purge 3: Purge gas exit Window purge out (option: isolation flange only) Fixed mount (illustrated) may alternatively be configured with an adjustable mount 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 26: Figure 2-5: Receiver Unit Indicators

    Illuminated Green when laser beam is on Laser adjustment (usually OFF) Illuminated Amber during alignment Laser adjustment (usually OFF) Illuminated Amber during alignment Note: The receiver alignment LED feature is turned OFF by default © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 27: Mounting Assembly (Flange And Window Purge)

    • Input connector: 3+PE, Cable outlet (mm): 12-14, wire gauge (max AWG): 14 • Output connector: 6+PE, Cable outlet (mm): 12-14, wire gauge (max AWG): 16 *For further details refer to www.tracopower.com/products/tex120.pdf 2.6 Product specifications Physical dimensions Figure 2-6: Transmitter unit dimensions 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 28: Figure 2-7: Receiver Unit Dimensions

    Connection details Connection Transmitter Receiver unit unit Cable glands 2 x M16 x 1 x M20 x 1.5mm 1.5mm 2 x M20 x 1.5mm 1/4” pipe 1/4” pipe Purge 1 connector connector © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 29 7.6.2) Maximum operating 4000m (13,120ft.) altitude: 2000m (6,560ft.) for hazardous area variants. Note: The optional power supply can only be used up to an altitude of 3000m (9,840ft.) Ingress Protection IP66 classification: 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 30: Additional Information

    <1% FSR (Application dependent) Application dependent For general commissioning activities the analyzer will be functional within 10 minutes, however Servomex recommend allowing 3 hours for the analyzer to stabilize. 2.7 Additional information The following specifications are dependent on the configuration of the Laser 3 Plus that you originally purchased.
  • Page 31 It is recommended that the enclosure is purged for all applications (see section 7.6.2) Temperature range: -20 °C to +65 °C (-4 °F to 149 °F) Alignment tools: Alignment tool with target 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 32 Purge gas filtration: Dry and oil-free air (ISO 8573.1 Class 2-3) or 99.99 Application specific Flange and window Purge flow (application dependent) purging: Transmitter and receiver window must be purged for proper operation. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 33: Materials In Contact With The Sample

    21% or equivalent at elevated pressure. 2.9 Unpacking Remove the SERVOTOUGH Laser 3 Plus and its accessories from the packaging and inspect everything for any damage that may have occurred during transit. If any item has been damaged, contact Servomex or its agent straight away.

  • Page 34: Transmitter User Interface

    C o l o r Fault Illuminated amber when a fault is raised Laser ON Illuminated green when powered - assume laser beam is on Alarm Illuminated red when an alarm is raised © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 35: Start-Up Screen

    Note: The lower half of the display can be configured to display values other than transmission, e.g. a second measurement or pressure or temperature. In this case, transmission will move to the system panel on the upper left section of the screen. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 36: Figure 3-4: Example Of Second Measurement Screen

    If the indicator stops moving the analyzer is not working correctly. The indicator will also stop moving when busy reading or writing to the SD card. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 37: Soft Key Legends

    Allows highlighted data to be edited Moves cursor up the list Down Moves cursor down the list Left Moves cursor to the left Right Moves cursor to the right Blank No effect 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 38: System And Measurement Status Icons

    Note: Status history may contain additional entries including informational data, marked with and “I”, for Servomex use only 3.7 Navigating the analyzer user interface Use arrows to move the cursor up or down lists or menu items. Press the up arrow...
  • Page 39 To scroll up and down the list, use the up arrow and down arrow soft-keys. The scroll bar shows where you are in the list of options. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 40: Menu Structure

    View input power supply details Graphs View graph measurement Service mA Output Override / calibrate analogue output mA Input Enable calibration of analogue input Relay Override Override relay state Figure 3-6: Top level menu structure © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 41: Edit On-Screen Data

    Moves cursor left to previous digit Moves cursor right to next digit When the last digit is highlighted and you have changed it, press the accept soft-key to accept the new data. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 42: Password Protection

    This can be seen in the status log as shown below. To clear the fault new passwords must be set To do this, navigate to Settings, User Settings, Password, Set Passwords as shown below Set both the operator and supervisor passwords © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 43: Configuration Setting

    The Save Current Config menu will present 3 options: • Operating default - to be used during normal operation Alternative – not normally required • • Custom – use to create exportable or multiple configurations during servicing and maintenance. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 44 The file can be saved / restored from internal memory or via the MicroSD card. The file can be saved in pre-named configurations for specific purposes or in user named files. This file can be saved and restored by Supervisor level users. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 45: Figure 3-8: Saving Sensor Measurement (Detailed) Settings

    Internal Temporary Save Current Config Filename Custom3 Manual………. YY/MM/DD/ HH/MM select Save Current Config Save Current Config Save 160322_1011[MicroSD] Save Complete Are You Sure? Figure 3-8: Saving sensor measurement (detailed) settings 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 46: Figure 3-9: Restore Measurement (Detailed) Settings

    Backups of current calibrations are to be made before attempting to restore other calibrations. Note: This feature saves and restores the instrument calibration as well as the calibration configuration. By restoring, it will revert the analyzer calibration to the one stored in the backup. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 47: Figure 3-10: Save Current Calibration Configuration

    Main PCB. The custom option can only be saved to a suitable microSD card. To save the current calibration configuration, perform the following steps: Figure 3-10: Save current calibration configuration 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 48: Figure 3-11: Restore Configuration Settings

    Save Current Config Restore Config Delete Config Restore Config Select 160313_1347[MicroSD] 160313_1351[MicroSD] Select 160313_1017[MicroSD] Restore Config Restore Config Load Load Complete 160313_1351[MicroSD] 100% ▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌ Are You Sure? 100% Figure 3-11: Restore configuration settings © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 49: Figure 3-12: Save/ Load Analyzer (Non-Sensor) Configuration Menu

    Note: This file can be saved / restored only to / from MicroSD card by Supervisor level user. Note: It is advisable to leave a backup copy on an SD Card present in the Instrument. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 50 • Analyzer configuration parameters • Transducer configuration parameters • Graphical spectral data The files are text or CSV files which can be copied from the SD card via a PC file explorer. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 51: Figure 3-13: Save A Support Package

    Figure 3-13: Save a support package 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 52: Configuration

    Save Support Package Media fe80:0000:0000:0000 IPv6 Address Information 021e:c0ff:fefc:c612 Hostname Servomex_000 edit Figure 4-1: Network settings sequential menu Note: The IPv4 or IPv6 address must be set to a unique value in the network © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 53: Figure 4-2: Set Time And Date Menu

    You can set the date format to dd/mm/yy or mm/dd/yy in the regional settings (section 4.1.3). Note: After power outage, review system time and date to ensure consistency with your own system time. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 54: Figure 4-3: Regional Settings Sequential Menu

    / s Current select units Voltage select units Resistance select units kOhm Angle select units º Wavelength select units dew pt ºC Moisture select units Figure 4-3: Regional settings sequential menu © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 55: Figure 4-4: Upper And Lower Display Block Menu

    Information Figure 4-4: Upper and lower display block menu Note: There is facility to assign up to 5 measurements although only 2 may be displayed on screen at any one time. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 56: Figure 4-5: Screen Backlight Time Menu

    Figure 4-5: Screen backlight time menu Hint: You can set the backlight duration from 0 to 999 seconds. If you want to leave the backlight permanently ON, set the backlight duration to 0 seconds. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 57: Figure 4-6: Screen Brightness Menu

    The information page provides key data for the analyzer: • Instrument and transducer serial no. • Transducer UID (unique identification) • Control unit software • Display adaptor software • Analog output software 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 58: Configure Ma Inputs

    Figure 4-8: Enable or disable mA input Once the mA input has been enabled it will need to be configured. The mA input parameters that must be set up are illustrated in Figure 4-9: mA input sequential menu. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 59: Figure 4-9: Ma Input Sequential Menu

    None Message Maintenance required Out of Range State select option Out of spec Service in progress Fault Filter Time 0.000 sec edit time Reset Threshold edit Figure 4-9: mA input sequential menu 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 60 Sets the threshold where you want the filter to ‘collapse’ and revert to a non-filtered state until the Reset threshold change in reading falls back below the reset threshold (currently selected units apply) © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 61: Settings Related To Process Conditions "Physical Set-Up

    Note: When the laser measurement signals have been optimized and the process environment set up has been completed Servomex recommend saving the configuration. See section 0 The physical parameters that must be set up are illustrated in the following...
  • Page 62 Note: User defined temperatures should only be used when the temperature of the purge gas is constant. Changes in measured gas temperature will result in reported concentration errors. Option 3: Transmitter Enclosure © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 63 Note: When the physical or user settings have been completed Servomex recommend saving the configuration. See section 0 07931001B revision 6...

  • Page 64: Configure Ma Outputs

    Note: For applications where the fault relay is not being used, configure the mA output to 4 -20 mA and jam low (default setting) for safety and to prevent any analyzer faults going undiagnosed. This is the safest mode of operation. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 65: Figure 4-11: Ma Output Sequential Menu

    2 (Free) Alarms mA Output 1 (Free) 1 (Free) Status Relay Setup select mA input Set Up Filtering Measurements Unit Select Service X-Interference Clipping User Settings Figure 4-12: mA output selection menu 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 66: Figure 4-13: Ma Output Range Selection Menu

    Note: When more than one range is used, range 2 needs to be set to the higher range. Once the mA Output channel and range has been selected the final configuration parameters will need to be set. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 67 The range change-point Range change point This is only available when auto range is selected Hysteresis The range change hysteresis This is only available when auto range is selected 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 68: Figure 4-14: Ma Output Calibration And Override Menu

    Use the soft keys to increase or decrease the actual output value until your control / monitoring equipment indicates 20 mA output. When the mA output has been correctly calibrated, press the soft key, the mA output service screen will then be displayed again. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 69: Configure Measurement Alarms

    An alarm is raised when a sample measurement is higher than the pre-set alarm level High alarm Note: An alarm is only activated during calibration if you have set the alarm ‘Follow’ option to Yes 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 70: Figure 4-16: Select Alarm Menu

    1 to 25 Figure 4-16: Select alarm menu Alarms Alarm 1 Alarm 1 Active Alarm Measurement 1 XXX Set Up 2 Trans Follow 1 (Free) 3 XXX History Figure 4-17: Assign alarm menu © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 71: Figure 4-18: Select Alarm Mode Menu

    Once an alarm is raised, it remains activated only until a subsequent ‘good’ sample measurement is made (i.e. one that would not trigger an Non-Latching alarm). The alarm condition is then reset 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 72: Figure 4-19: Select Alarm Latching Mode Menu

    Unlatching On selecting the currently latched alarms are unlatched Hysteresis levels The hysteresis level associated with a measurement alarm determines when an activated condition is deactivated. This depends on the alarm mode: © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 73: Figure 4-20: Set Alarm Level And Hysteresis Menu

    Hint: too close to the expected sample measurements. If your sample gas concentrations contain minor variations that are acceptable, spurious alarms will be reduced. Follow option Each measurement has a 'Follow' option: 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 74: Configure Relay Outputs

    4.6 Configure relay outputs There is 1 relay provided on the standard analyzer configuration. 2 additional relays are available if the analyzer is supplied with an ‘Options PCB’. Refer to section 2.2.1 © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 75: Figure 4-23: Relay Output Selection Menu

    Alarm 1 Alarm 25 Figure 4-24: Relay output configuration menu Relay event options The relay event options that you can set are illustrated in the menu table below, also reference section 4.5 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 76 1 or more Low Alarm thresholds have been Low Alarm exceeded 1 or more High Alarm thresholds have been High Alarm exceeded User configurable alarms that can be assigned Alarm 1 to 25 to a relay event © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 77 Note: If you have more than 1 relay this process will need to be repeated for each. The analyzer can have up to four events. When the events have been assigned the relay coil state will need to be set. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 78: Figure 4-25: Relay Coil State Menu

    Relay 1 is de-energized. This is a ‘fail-safe’ situation. In some applications it is preferable that the relay is energized in an active status. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 79: Filtering

    (or moles per mole) % LEL volume % of the Lower Explosive Limit Note: mg/m3 may differ from definition of mg/Nm3 (milligrams per Normal cubic meter) depending on local standards of normal temperature and pressure. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 80: Figure 4-27: Set Up Units Menu

    Note: Selecting the Units ONLY changes the displayed units, the correct “Factor” should be entered to convert the value to the correct figure. A list of conversion factors is listed in Section 0. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 81: X-Interference Offset

    % level measurements. Care should be taken using this function of other units of measurement. X-Interference offset should only be set after consultation with Servomex and only after an application review has been carried out. To set the X-interference offset Menu...

  • Page 82: Figure 4-30: Clipping Configuration Menu

    The default hysteresis value is 0. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 83: Gain And Phase Settings

    (not enough laser energy) or saturation (too much laser energy) when dust levels revert to normal. Review the application and dust load variations and consult Servomex for advice on how to maximize operation of the analyzer in these situations.

  • Page 84: Figure 4-32: Adjust Gain And Phase Menu

    The maximum DC gain level will depend on the gas measurement and pathlength. These limits are set as part of the measurement parameters. Too high photodiode DC level will cause an XXXX error status and incorrect readings © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 85: Figure 4-33: Raw Signal Graph Example

    Adjust Burst Phase Cal Ref TransCal ABurst Typically 100000 counts Gas signal Figure 4-33: Raw signal graph example When the gain adjustment and laser alignment have been optimized no further gain adjustments should be required. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 86 CO raw signal is around zero. In case of deviation in spectra from expected please save support package, describe installation and contact Servomex’s service to seek further advice on correct demodulation phase. Note: Calibration may be compromised after using Adjust Burst Phase Cal.

  • Page 87: General Analyzer Information

    The message type ("Fault", "Maintenance rqd" "Service in Progress" or “Information”) ▪ The message itself ▪ The status of the entry "ON" or "OFF" Export history The current stored history log will be exported to the selected log media. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 88: Measurement

    • Calibrated current • Filtered current • Unfiltered current Control unit power Provides information on Input supply power and 12 V rail. Graphs Shows raw data and filtered graphs for each measurement. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 89: Data Log

    Microsoft Excel etc. Values are separated by semicolons for ease of plotting and analysis. Hint: Data log filename is ‘datalog.txt’ on microSD card Hint: 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 90 Example Data log: Servomex 07931B1/000051 ; O2 LT ; Trans ; Temperature ; Pressure 1.7 ; 24/04/15 ; 11:50:07 ; O2 LT ; 20.76 ; % ; ; Trans ; 101.08 ; % ; ; Temperature ; 0.00 ; degC ;...

  • Page 91: Figure 5-4: Adjust Data Log Menu

    Clear log Clear log will clear the current log stored in the selected media. You will be asked to confirm the action before clearing. Log media 3 options available: 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 92 When inserting or removing the SD card take care not to accidentally remove the metal card holder as, when open, the holder can slide backwards / out and be disconnected from the PCB. Before closing the enclosure ensure the holder is secure. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 93: Figure 5-5: Micro Sd Connector

    Note: When inserting or removing the SD card take care not to remove the metal card holder as, when open, the holder can slide backwards and out. And be disconnected from the PCB. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 94: Saturation

    (X) on the display (E flag) and status history will show ‘C29I00 SATURATION’ and ‘C35I00 STOPPED’.. When an absorbing gas reaches a certain optical depth (defined in terms of %.m or ppm.m), the relationship between increasing concentration and increasing © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 95: Drift

    It is not recommended that customers modify the laser set point temperature as it can have a major impact on the measurement. Customers should contact Servomex if they believe there is an issue with this. Note: Locking to an incorrect absorption line can lead to inaccurate measurements as they may have different absorption amplitudes to that selected and tuned in the factory.

  • Page 96: Calibration

    The analyzer is factory calibrated using a certified gas mixture and is supplied with a calibration test report. Servomex recommend that you verify the calibration of the instrument annually, using a certified test gas and the supplied calibration gas cell.

  • Page 97: Removing The Transmitter And Receiver Units From The Process

    Remove gland plates and cabling Dismount TU and RU by loosening the 3 mounting bolts Place cap cover on TU and RU Mount blanking plates on mounting / alignment assembly Move to calibration area 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 98: Connecting Transmitter And Receiver Units To The Calibration Cell

    The pressure in the calibration cell must not exceed 1.5 bar absolute. Before using the calibration cell, ensure all connections are leak free at operating pressure. Calibration gases are potentially harmful ensure adequate ventilation is provided. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 99 Transmitter and Receiver purge ports should also be checked, so that they are returned to the correct process and purge requirements at installation. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 100: Reconfigure Settings For Off-Line Calibration

    Proc:Temp. Offset Edit edit value Offset or value Detailed set up For Servomex trained Service operators only Save Current Config Restore Config Delete Config Figure 6-2: Physical setup sequential menu Check photodiode DC voltage and signal amplitude. Adjust if required. Ref. 4.11 Calibration cell path length to be entered: 250mm, 500mm, 750mm or 1000mm ©...

  • Page 101: Saving The Measurement Sensor And Environmental Calibration Settings

    Restore Config 1 Xxxx Values Delete Config Low Tolerance 1.00% edit value 1 Xxxx Values High Target 20.95% edit value 1 Xxxx Values High Tolerance 1.00% edit value Figure 6-4: Calibration settings menu 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 102 X- interference cal measurement type: Uses the X-interference compensated measurement prior to any measurement filtering. Note: X- interference must be enabled in set-up. Note: X- interference requires “Supervisor” password or above. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 103: Calibrate

    Note: N2 should be used for purging during calibration to prevent atmospheric gases such as O2, CO2, and H2O present in the atmosphere, from interfering with the calibration process. There are two distinct calibrations for the instrument to be performed in correct sequence: 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 104 2f graph and line positions are in correct locations, the 2f burst has correct amplitude and the 2f signals are correct and of sufficient amplitude. Note: When restoring a previous calibration, the time since last calibration will not be updated. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 105: Saving Calibration Configuration

    The file can be saved / restored from internal memory or via the MicroSD card. The file can be saved in pre-named configurations for specific purposes or in user named files. This file can be saved and restored by Supervisor level users. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 106: Restore Configuration Settings

    Servomex. Please note the accuracy of the calibration of the first measurement will have an effect on the quality of the calibration of the second measurement.

  • Page 107: In-Situ Validation (In-Line Gas Validation)

    In-line validation gases used must be well below the LEL of the gas (<25%) and be in an inert balance gas such as N2. The in-line validation cell volume must not form a Zoned area. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 108 Standard Deviation must be below a preset threshold level and must remain below that level for a preset period of time. Both the stability threshold level and the stability time can be set by the operator. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 109 Note that if a failure occurs while the validation cell contains span-gas, the operator will be instructed to purge with zero-gas before the analyzer returns to normal process measurements. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 110 4 days and 16 hours ago. A value of 9999 means that this measurement has never been validated. Once the measurement has been selected press the down arrow to continue. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 111  Press to review or to jump. If select jump, the process will immediately go to step 17. Choose the span target value. This will usually be the concentration of the span-gas. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 112 6.12.3 for more details of the process stability measurement. Enter the permitted stability of your process transmission expressed as percentage standard deviation. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 113 Enter the scaling factor here. If no scaling is required, the scaling factor should be 1.0. Note: scaling factors are only effective for pathlength <1.0 m. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 114  to the validation cell and press  continue. Zero-gas purge will now take place. The Laser 3+ will wait for the user set flush time to elapse. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 115 If stability is not achieved the operator will be informed and the validation process will be terminated as shown earlier. Stability has been achieved and the zero concentration at zero has been recorded. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 116 If that is the case Nitrogen purge of the in-line gas cell will be required, only for the validation test, in order to produce a change in Oxygen concentration from the gas cell. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 117 Note that the validation process will exit at the end of this period regardless of whether stability has been achieved. The validation process is now complete. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 118 Use the up and down arrows to scroll between records. The right arrow can be used to see more parameters within each record. T = Span Target concentration R = Span concentration Result © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 119: Automatic In-Situ Validation

    HMI plus all necessary pipework and valves. Note that a separate document has been produced by Servomex which provides guidelines and assistance for a third party wishing to produce a HMI capable of collaborating with the Laser 3 Plus to perform auto validation.
  • Page 120 Plus, it must ask for it. The Laser 3 Plus as the slave cannot initiate a transaction by itself. Measurement Stability There is an important difference between manual validation and auto validation. During manual validation, if the measurement is found to be outside the user defined © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 121 1 = the validation cell was NOT correctly purged at the end of auto val If this is 1 at the end of auto val it may mean 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 122 Debug message 50007 50087 Reading this address causes some debug information to be printed to the system log. This is for Servomex use only. Auto Val supported for 50008 50088 0 = Auto val not supported 1 = Auto val supported...
  • Page 123 Modbus addresses to tell the HMI when to turn the gases on and off. The registers are • Requested zero-gas state • Requested span-gas state. Refer to the Modbus map in section 12.1.14 for the register addresses. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 124 It is only necessary to read the registers for the measurement being validated. Reading back a 0 means the gas should be turned off. Reading back a 1 means the gas should be turned on. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 125 Auto Validation Process Flow The diagram below shows the process flow through the complete auto validation sequence. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 126 5. The parameters are common with manual validation, so anything you edit for auto val will also affect manual val and vice versa. Guidance on setting the various parameters is given in the table below: © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 127 The correct value for the flush time is dependent on the physical configuration of the application and the level of surface adhesion of gas molecules, for example, NH3 and CO require higher flush times than O2 and N2. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 128 The Laser 3 Plus will know where abouts it is in the auto validation sequence and will automatically perform all necessary steps to correctly return the system to normal operation. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 129 The HMI should monitor these registers every few seconds so that it knows when to activate the valves The registers are • Required zero-gas valve state 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 130 The process is exactly the same as for step 4. There is no involvement from the HMI in this step and the Laser 3 Plus will automatically proceed to the next step once baseline stabilization has been completed. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 131 The process is exactly the same as for step 4. There is no involvement from the HMI in this step and the Laser 3 Plus will automatically proceed to the next step once span measurement stabilization has been completed. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 132 2 diff = abs(bumpConc - ValConc) step 3 result = abs(diff - ValTol) / ValConc * 100 if result < ValPassLevel the test has PASSED step 4 otherwise the test has FAILED © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 133 If the measurement is not below the threshold, the Laser 3 Plus will raise a maintenance required flag with the status “Val Cell Not Purged”. It will be present in the status log as shown below: 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 134 It is merely saying that the test procedure got through to the end without being aborted or any fatal faults occurring. In order to see whether auto validation has passed or failed there are two methods. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 135 So this maintenance flag is raised to indicate that the measurement may not be correct. To clear the maintenance flag, run a complete manual or auto validation cycle and it will be automatically cleared. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 136: Installation

    Purge connections Alignment tool May be used for flange alignment and analyzer mounting RJ45 connectors and crimping Cable connections tool Micro SD card Backing up post commissioning Table 7-1: Pre-installation check list © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 137 Ensure that any parts which are removed for the purposes of installation are retained. They must be refitted in the event the instrument is transported to another location. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 138: Figure 7-1: Laser 3 Plus Installation Distances

    Cabling exiting the Analyzer should also be considered. Each unit requires at least 500 mm (19.7 ") of free space (measured from flange to the stack and outwards). Figure 7-1: Laser 3 Plus installation distances © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 139 Nm for fixing bolts, otherwise damage may occur to the spacer. Hint: Servomex can provide thermal spacers for a range of flange sizes. It is important that the process flanges are aligned correctly as they are critical to ensuring the successful alignment and maximum transmission of the Laser 3 Plus.

  • Page 140: Figure 7-2: Laser 3 Plus Flange Dimensions

    ANSI Class 150 Flange Dimensions Overall Hole pitch Hole diameter, Hole diameter, Flange diameter, ØD circle ØH ØA designation diameter, (equi-spaced) ØPCD ANSI 1” 150 # 108.0 (4.252) 79.4 (3.126) 15.9 (0.626) 34.4 (1.354) © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 141: Figure 7-3: Process Flange Bolt Arrangement (4 Bolt Pattern)

    2 planes. So that this operates correctly after the instrument is installed, use the following tolerances for positioning and attaching the process flanges. Figure 7-3: Process flange bolt arrangement (4 bolt pattern) 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 142: Figure 7-4: Process Flange Positioning Tolerance

    Note: Failure to align the transmitter and receiver flanges may adversely affect the performance. Tolerance to misalignment is dependent on divergence, path length and measurement. For further advice contact Servomex or local representative. Mounting rigidity Make sure that the flue wall is strong enough to support the weight of the Laser 3 Plus transmitter and receiver units, including the mounting flanges and unsupported cables.

  • Page 143: Figure 7-5: Transmitter Unit Mounting Arrangement (Example Shown With Adjustable Mount)

    Total = 9.0 kg (19.8 lb.) If the process wall is not strong enough to support the TU or RU, Servomex recommend that you use a reinforcement plate. Note: It is your responsibility to assess and design the reinforcement plate that you will use in your installation, subject to local conditions.

  • Page 144: Figure 7-6: Receiver Unit Mounting Arrangement (Example Shown With Fixed Mount)

    Note: An alternative to the reinforcement plate is to provide ceiling or floor supports to hold the weight of the TU or RU, although these may impact on the ease of alignment and adjustments. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 145: Installation Overview

    Install TU to transmitter (see 4) alignment assembly (see 7.3.3) Save settings Install RU to transmitter (see 0) alignment assembly (see 7.3.3) End of Installation Switch on purge to alignment assembly Figure 7-7: Installation overview 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 146 The equipment is incapable of passing the dielectric strength test prescribed by the standards, and so this must be taken into account during installation by using an SELV power source with a prospective short circuit current not exceeding 40A. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 147: Figure 7-8: Laser 3 Plus In-Situ Installation

    Make sure that the flanges on the process walls are mounted and aligned correctly (Section 7.1). Figure 7-8: Laser 3 Plus in-situ installation Transmitter unit Transmitter alignment assembly Process flange and nozzle Process flange Receiver mounting / alignment assembly Receiver unit 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 148: Process Connections

    Ensure flange O-rings are fitted to the analyzer mounting flanges. Note: Orientate the mounting assembly so that the purge connections are pointing to the left (as viewed looking at the process wall) to ensure the TU and RU mount vertically. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 149: Figure 7-9: Example Of Mounting / Alignment Assembly Fitting Exploded View

    Do not use the alignment tool if the process flange is hot (> 60°C), or if the process contains potentially hazardous gases. Only use the light source supplied by Servomex with the alignment tool. Make sure that there are no dangers from the release of potentially hazardous gases, for example, toxic, flammable, asphyxiant or hot gases.
  • Page 150 2 and repeat steps 4 to 7, to align and secure the second analyzer mounting assembly. Note: The adjustable receiver mount is adjusted by a combination of set screws and mounting screws, see Figure 7-26. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 151: Figure 7-10 Alignment Tool

    The alignment tool must not be used where there is a risk of exposure to hazardous gases contained in the process. Fitting the transmitter and receiver on the flange Inspect all joints when you have connected the Laser 3 Plus to the process. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 152: Figure 7-11: Align M6 Screws With The Flange Joint

    Check the O-ring is in place on the transmitter / receiver flange before installation. Loosen the 3 x M6 screws and align them with the corresponding keyhole slots on the flange joint (Figure 7-11). Figure 7-11: Align M6 screws with the flange joint © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 153: Figure 7-12: Rotate The Enclosure

    Rotate the enclosure until it stops at the end of the keyhole slots. Figure 7-12: Rotate the enclosure Tighten the 3x M6 screws to secure the flange. Figure 7-13: Tighten the M6 screws 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 154: Electrical Connections

    Disconnect all cables from the Laser 3 Plus when you carry out insulation testing on them. Make sure your electrical supply can provide the necessary maximum power consumption of 25 W. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 155 • The screens of all the cables connected to the analyzer must be terminated within metal glands. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 156: Figure 7-14: Cable Strip Lengths

    6 mm (0.24 ”) 60 mm (2.4 ”) Figure 7-14: Cable strip lengths Use one M20 x 1.5 mm cable gland in the receiver unit. Figure 7-15: Receiver unit cable gland position © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 157: Functional Earth / Ground Requirements

    Make sure that the electrical supply voltage shown on the rating label is correct for the available electrical supply. Do not install the equipment if the incorrect voltage is shown and contact Servomex or your local Servomex agent immediately. Make sure that the DC power for the Laser 3 Plus is not derived directly from an AC supply that is rated at more than 300 VAC.
  • Page 158 Cable external diameter Within the range specified for the selected cable gland (opt. power supply selected, 14mm (Max)) Note: Under certain conditions of high ambient temperature a higher temperature rated cable may be required. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 159: Figure 7-17: Opening The Transmitter Unit

    To open the transmitter unit, loosen the 4x M4 captive screws on the front panel (A Figure 7-17). The front panel hinges open (B in Figure 7-17) to show the electronics and connectors. Figure 7-17: Opening the transmitter unit 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 160: Figure 7-18: 7-Way Main Terminal And Entry Glands

    Screw terminal torque 0.2-0.25 Nm • All unused screw terminals must be tightened. Ensure connector latches “click” into place and are engaged fully. • • Ensure wires are routed away from PCBs. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 161: Figure 7-19: 8-Way Transmitter To Receiver Connector

    (Twisted Pair 2) Signal 1 + (Measurement) (Twisted Pair 3) Signal 1 - (Measurement) (Twisted Pair 3) Signal 2 + (Twisted Pair 4) Signal 2 - (Twisted Pair 4) Screw terminal torque 0.2-0.25 Nm 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 162 Cable external diameter Within the range specified for the selected cable gland Maximum length 100 m Note: Under certain conditions of high ambient temperature a higher temperature rated cable may be required. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 163: Figure 7-20: Ethernet Connections

    Note: The instrument supports Auto-MDIX (auto cross-over) so you can use either a straight or cross-over cable. Hint: Installation of an Ethernet cable to a designated area suitable for remote connection to a PC is recommended. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 164: Figure 7-21: 12-Way Options Board Connections

    Care must be taken not to connect the loop power supply directly to the mA input, or to short-circuit the transmitter whilst the loop is powered. Note: These connections are included on an optional PCB. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 165: Purge Connections

    Laser 3 Plus optics could be damaged by the hot process. Hint: Servomex recommend that the purge gas is supplied using flexible piping to minimise strain on the alignment assembly. The instrument windows are kept clean by setting up a positive flow of air through the alignment / purging flanges and into the stack.

  • Page 166: Figure 7-22: Transmitter Purge

    Purge 3 – Purge gas exit - DO NOT BLANK Purge 2 – Enclosure gas IN (only if a measurement purge is also required) or blanking plug Purge 1 – Laser module gas IN (50ml min nominal), or blanking plug © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 167: Figure 7-23: Receiver Purge

    Window purge IN - Max flow of 10 lmin Purge 3: Purge gas exit - DO NOT BLANK Purge 2: Enclosure gas “IN” or blanking plug Purge 1: Detector module gas “IN” (50ml min nominal) or blanking plug 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 168 Make sure that the purge flow is less than 0.1 liters/minute (0.004 cubic ft/min) to avoid pressure build up inside the units. Note: In ambient environments where dew points may exceed 15°C, Servomex recommends the use of measurement and environmental purge with dp <15°C for the Transmitter unit (Ident 6 in Figure 7-22) in order to prevent condensation.

  • Page 169: Commissioning

    Purge panel flow meters are set to recommended flow rates for the specific application and recorded (Flows should be verified at the Analyzer to ensure there are no leaks or splits in the lines. Table 7-3: Mechanical installation check list 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 170: Table 7-4: Alignment Check List

    • Check the transmitter unit display is working Alignment for optimum measurement Note: The Laser 3 Plus is factory calibrated however Servomex recommend the Analyzer is locally calibrated before installation. The transmission optimization process is an iterative process required to be completed when the unit is in-situ and should be completed before final measurement commissioning steps and software configuration.

  • Page 171: Figure 7-24: Peel Back The Boot

    A, B, C and D and nuts, then replace covers (Figure 7-25), taking care not to change the position of the assembly. Step 6 Adjust Phase burst cal See section 4.11.4 Figure 7-24: Peel back the boot 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 172: Figure 7-25: Installation: Ball-Joint Adjustment Screws

    Figure 7-25: Installation: ball-joint adjustment screws © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 173: Figure 7-26: Installation: Large O-Ring Adjustment Screws

    Figure 7-26: Installation: Large O-ring adjustment screws Figure 7-27: Installation: Large O-ring initial setting 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 174: Figure 7-28: Installation: Large O-Ring Compression Check

    (either positive or negative – see Figure 7-29). The first and fifth LEDs will remain illuminated when the photodiode DC level has exceeded a pre-set voltage threshold and adequate alignment is achieved. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 175: Figure 7-29: Installation: Adjust Laser Intensity On The Photodiode

    (not a fixed mount), and you are adjusting the mount at the receiver end. Figure 7-29: Installation: adjust laser intensity on the photodiode Aligned – tuning target voltage met Shows LASER power ON. LASER hazard Large improvement Small misalignment Small improvement Large misalignment 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 176: Table 7-5: Software Configuration Check List

    Configure the process pressure settings 4.3.1 Configure the process temperature settings 4.3.2 Configure the mA outputs Configure measurement alarms Configure the relays Configure filtering options Save settings Table 7-6: Measurement configuration check list © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 177: Service

    Output 1 : 1 XXX Override Value Override Value 2.000 mA 2.000 mA edit value mA Output 1 : 1 XXX mA Output 1 : 1 XXX Override Override select Figure 8-2: mA output calibration menu 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 178: Figure 8-3: Ma Input Menu

    Setpoint 2 20.00 mA 20.00 mA edit value mA Input 1 Setpoint 2 Apply Apply 20.00 mA mA Input 1 mA Input 1 Calibrate Calibrate Calibrate Completed Figure 8-3: mA input menu © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 179: Figure 8-4: Relay Override Menu

    Measurement Signal No select Status Relay Setup Delete Config Physical Setup Set Up Filtering Detailed Setup Measurements Unit Select Service X-Interference Clipping Service Mode User Settings Override Figure 8-5: service override menu 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 180: Routine Maintenance

    Sample gases may be toxic, asphyxiant or flammable. Before you remove the Laser 3 Plus from the process, make sure that it does not contain any potentially hazardous or heated gases, or is at a pressure below atmospheric pressure. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 181: Cleaning

    You can do this automatically if you use instrument output (option), or via a warning relay. Weekly Check purge flow rates Use a flow meter on the purge panel to check the purge flow rates are the same as at the time of commissioning. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 182: Alignment / Purging Flanges

    8.7 User replaceable spare parts There are no user replaceable spare parts. All Laser 3 Plus returned to Servomex or one of its appointed agents for servicing, disposal, or any other purpose must be accompanied by a completed decontamination certificate.

  • Page 183: Certification Information 169 9.1 Hazardous Area Approval And Certification

    Ex tb IIIB T135°C Db [Ex op is IIC T4 Gb] Ex tb IIIB T135°C Db [Ex op is IIIB T135°C Da] Ex ic ec nC op is IIC T4 Gc Ex tb [Ex op is] IIIB T135°C Db 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 184 Class II, Div 2, Groups F & G T4 Class III, Div 1 T4 Class I, Zone , Group IIC T4 Enclosure IP66, 4X Ambient -20 °C to +65 °C Temperature range SGS Contract 710216 Number © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 185: Label Information

    9.2 Label Information Figure 9-1: ATEX / IECEx labels Figure 9-2: SGS North American labels Figure 9-3: Rating label 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 186: Emc

    US and Canadian national differences. Overvoltage Category: Category II. Pollution Degree: 2. Servomex Group Limited is a BS EN ISO 9001 and BS EN ISO 14001 certified organization. 9.5 Product Disposal This product is not considered to be within the scope of the Waste Electrical and Electronic Equipment (WEEE) Directive.

  • Page 187: Eu Reach Regulations

    +44 (0)1892 652181 Fax: +44 (0)1892 662253 www.servomex.com All Laser 3 Plus returned to Servomex or one of its appointed agents for servicing, disposal, or any other purpose must be accompanied by a completed decontamination certificate. 9.6 EU REACH regulations...

  • Page 188: Index

    ..........122 8-way transmitter/receiver unit process connections ....134 connector ......147 alignment / purging flanges Ethernet connector ....149 align ........135 flange assembly ......13 fit ....... 12, 20, 134, 200 © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 189 Transmitter user interface ... 20 hazardous area installations ... 2, unpacking........19 flange assembly ....... 13 hazardous area variants .. 3, 191 User settings ....... 38 general warnings ........ 1 laser safety ......... 2 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 190: Appendix Display Unit Conversion

    Selected display units This conversion is not supported Note: To return to the measurement default units, select the "off" units selection option and set the units conversion factor to "1": see Section 4.8 © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 191: Appendix Modbus Setup

    Read measurements, units, etc. Write single coil Change modes, perform calibration etc. Write single register Change single setting. Sub Function Diagnostic to test communications. 00 = Return query data Write multiple registers Change multiple settings. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 192 16 – 31, in the first register, and the least significant word, bits 0 – 15, in the next register. This order can be reversed by setting a coil in the system control mapping. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 193 NumberOfAins NumberOfAouts NumberOfAlarms NumberOfRelays NumberOfDins Reserved Number of legacy flow alarms Number of Legacy Heaters Number of Legacy Sample Heater Number of Field Buses Number Of Ovens Number Of Network Cards NumberOfResources 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 194 Mins clock: Seconds date: Year date: Month date: Day CalLink 2021 Temperature Units Pressure Units Flow Units Moisture Units Distance Units Current Units Voltage Units Resistance Units Angle Units Wavelength Units © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 195 0=Not in Service Mode, 1=Service Mode. Instrument MUST be set to Service in Progress before any calibration or override actions are performed Measurements Supports Function Code Base Block Base Parameter Address Address Offset 1001 Number Of Measurements Repeat (safeguard) 0-49 2(n-1) + Measurement n 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 196 Block Address Parameter Address Number Offset 6961 Tx (4n-1) Transducer Type Tag Number Name Measurement Pressure Compensated Measurement Filtered Measurement 6981 Tx (4n) Alarm Active Fault Service in progress Out of Specification © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 197 TU Settings Supports Function Code First Base Base Block Address Address Number Block Offset Parameter 12881 Tx (n) Name Units 12901 Filter Time Filter Reset Threshold Unit selection (scaling Factor) Cross Interference correction 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 198 TU Control Supports Function Code Base Block Address Parameter Base Offset Address 4001 Calibration mode on/off Reserved Reserved Capture and enable baseline subtraction 4021 Invoke calibration n Calibration point n gas Reserved © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 199 50061 Measurement Concentration concentration standard deviation transmission standard deviation zero measurement scaled to cell length zero measurement scaled to process path length 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 200 Final zero threshold Auto Validation Pass Code © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 201: Appendix French Translation Of Warnings

    Si vous n’avez ni installé ni utilisé La Laser 3 Plus conformément aux instructions de ce manuel, vous vous risquez à l’exposition d’une radiation laser dangereuse. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 202 National Electrical Code et aux règlements locaux. L'installation doit être protégée de toutes conditions extrêmes de fonctionnement, qui peuvent se produire dans l'environnement d'exploitation de la Laser 3 Plus. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 203: Laser Safety

    Ne modifiez pas l'unité, que ce soit mécaniquement ou électriquement. La certification de l'instrument sera invalide et ne pourra pas fonctionner en toute sécurité. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 204 Do not open the enclosure if an explosive atmosphere is present. Do not open the enclosure if the Laser 3 Plus is energized. Ne pas ouvrir en atmosphère explosive. Ne pas ouvrir sous tension. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 205: Hazardous Area Variants

    échantillons enrichis en oxygène; qui est plus de 21% des gaz O S'ils sont utilisés avec des gaz contenant plus de 21% d'O à la certification d'une zone dangereuse peut être invalidée. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 206: Raw Signal Graph

    Avant de vous remonter les capots, assurez-vous que les joints d'étanchéité sont propres, secs et en bon état. Replacez et fixez tous les capots dès que possible après que vous avez terminé votre tâche au sein de l'enceinte. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 207: Removing The Transmitter And Receiver Units From The Process

    Ensure the analyzer is powered off before disconnecting the TU and RU from the process. Assurez-vous que l’analyseur soit sur position OFF avant de déconnecter les TU et RU du processus. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 208 TU et le RU de la cellule de la calibration. Ensure that Purge Port 3, ‘Enclosure Out’, is free to vent to atmosphere. Assurez vous que la purge Port 3, ‘Enceinte’ est libre d’évacuer l’atmosphère. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 209 Le volume de la cellule de validation en ligne ne doit pas former une zone zonée. Purging gases are potential asphyxiants ensure adequate ventilation is provided. Les gaz de purge sont des asphyxiants potentiels pour assurer une ventilation adéquate. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 210: Installation Preparations

    Assurez vous que toutes les pièces et les surfaces de travail aient le champ libre afin de laisser l’espace suffisant au technicien pour bouger librement et changer de position. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 211: Process Flanges

    It CANNOT be used where a FLAMMABLE atmosphere is present in the ‘Outside atmosphere’ or the ‘Process atmosphere’. It MUST NOT be used where an EXPLOSIVE atmosphere is present in the ‘Outside atmosphere’ or the ‘Process atmosphere’. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 212: Mounting Rigidity

    Ouvrez les enceintes de l'émetteur ou du récepteur dans une zone ouverte et ventilée ou dans un autre environnement approprié dans lequel les gaz dangereux sont dirigés loin de l'utilisateur. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 213: Safety

    L'équipement est incapable de passer le test de résistance diélectrique prescrit par les normes, ce qui doit être pris en compte lors de l'installation en utilisant une source d'alimentation SELV avec un courant de court-circuit potentiel n'excédant pas 40A. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 214: Process Connections

    Ne pas utiliser l'outil d'alignement si la bride de processus est chaude (60 ° C), ou si le processus contient potentiellement des gaz dangereux. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 215: Fitting The Transmitter And Receiver On The Flange

    Only use the light source supplied by Servomex with the alignment tool. Utilisez uniquement la source de lumière fournie par Servomex avec l'outil d'alignement. Make sure that there are no dangers from the release of potentially hazardous gases, for example, toxic, flammable, asphyxiant or hot gases.

  • Page 216: Electrical Connections

    évalué à plus de 3 A. Pour se conformer aux exigences de sécurité de ce dispositif de sectionnement doit être approuvée à: • UL 489 pour les équipements utilisés aux Etats-Unis. © Servomex Group Limited. 2020 07931001B revision 6...

  • Page 217: Glands And Cable Entries

    IEC 61010 and Local Hazardous Area requirements. Les instructions suivantes s'appliquent aux installations qui doivent se conformer aux exigences de sécurité électrique de la CEI 61010 et les exigences locales de zones dangereuses. 07931001B revision 6 © Servomex Group Limited. 2020...

  • Page 218: Functional Earth / Ground Requirements

    Make sure that the electrical supply voltage shown on the rating label is correct for the available electrical supply. Do not install the equipment if the incorrect voltage is shown and contact Servomex or your local Servomex agent immediately. Assurez-vous que la tension d'alimentation électrique indiquée sur la plaque signalétique est correcte pour l'alimentation électrique...
  • Page 219 Do not attempt to maintain or service the Laser 3 Plus unless you are trained and competent. N'essayez pas de maintenir ou entretenir la Laser 3 Plus, sauf si vous êtes formé et compétent. 07931001B revision 6 © Servomex Group Limited. 2020...
  • Page 220 Les échantillons de gaz peuvent être toxiques, asphyxiants ou inflammable. Avant de retirer La Laser 3 Plus du processus, assurez-vous qu'il ne contient pas de gaz potentiellement dangereux ou chauffées, ou est à une pression inférieure à la pression atmosphérique. © Servomex Group Limited. 2020 07931001B revision 6...
  • Page 221 Ne pas débrancher les tuyaux des brides d'alignement / de purge s'il y a un risque pour le personnel ou l'environnement de l'exposition aux gaz potentiellement dangereuses contenues dans le processus contrôlé. 07931001B revision 6 © Servomex Group Limited. 2020...

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