Servomex SERVOTOUGH Laser 3 Plus User manual

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

© Servomex Group Limited. 2020
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© Servomex Group Limited. 2020
IMPORTANT INFORMATION
Continued safe and reliable operation of this equipment is conditional on
all installation, operation and maintenance procedures being carried out
in accordance with the appropriate manuals, by personnel having
appropriate qualifications, experience and training.
Failure to observe the requirements of the manual may result in the user being held responsible for the
consequences and may invalidate any warranty.
Servomex will accept no liability for unauthorized modifications to Servomex supplied equipment.
Servomex has paid particular attention to Health and Safety throughout this manual. Where special
precautions need to be taken due to the nature of the equipment or product, an appropriate safety icon
and warning message is shown. Special attention should be made to the Safety Chapter if available,
where all such messages are summarized.
In line with our continuous policy of research and development, we reserve the right to amend models
and specifications without prior notice.
This handbook is accurate at the date of printing but will be superseded and should be disregarded if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.
© 2020. Servomex Group Limited. A Spectris Company. All rights reserved

© Servomex Group Limited. 2020
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07931001B revision 6 © Servomex Group Limited. 2020 i
Table of Contents
1. Safety 1
1.1 General warnings and cautions .................................................................................1
1.2 Laser safety...............................................................................................................2
1.3 Certification ...............................................................................................................2
1.4 Markings....................................................................................................................4
2. Introduction 7
2.1 Product description....................................................................................................7
2.2 Transmitter unit..........................................................................................................9
2.3 Receiver unit............................................................................................................11
2.4 Mounting assembly (flange and window purge) .......................................................13
2.5 Power supply (optional) ...........................................................................................13
2.6 Product specifications..............................................................................................13
2.7 Additional information ..............................................................................................16
2.8 Materials in contact with the sample ........................................................................19
2.9 Unpacking ...............................................................................................................19
3. Transmitter user interface 20
3.1 Keypad ....................................................................................................................20
3.2 Transmitter Unit Indicator LEDs...............................................................................20
3.3 Start-up screen ........................................................................................................21
3.4 Measurement screen ...............................................................................................21
3.5 Soft key legends ......................................................................................................23
3.6 System and measurement status icons ...................................................................24
3.7 Navigating the analyzer user interface.....................................................................24
3.8 Menu structure.........................................................................................................26
3.9 Edit on-screen data..................................................................................................27
3.10 Password protection ..............................................................................................28
3.11 Configuration setting..............................................................................................29
4. Configuration 38
4.1 User settings............................................................................................................38
4.2 Configure mA inputs ................................................................................................44
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

ii © Servomex Group Limited. 2020 07931001B revision 6
4.9 X-Interference offset................................................................................................ 67
4.10 Clipping ................................................................................................................. 67
4.11 Gain and phase settings........................................................................................ 69
5. General analyzer information 73
5.1 Status...................................................................................................................... 73
5.2 Measurement .......................................................................................................... 74
5.3 Data Log ................................................................................................................. 75
5.4 Saturation................................................................................................................ 80
5.5 Drift ......................................................................................................................... 81
6. Calibration 82
6.1 Save the configuration settings ............................................................................... 82
6.2 Removing the transmitter and receiver units from the process ................................ 83
6.3 Connecting transmitter and receiver units to the calibration cell .............................. 84
6.4 Reconfigure settings for off-line calibration.............................................................. 86
6.5 Saving the measurement sensor and environmental calibration settings................. 87
6.6 Calibration Settings ................................................................................................. 87
6.7 Calibrate.................................................................................................................. 89
6.8 Saving calibration configuration.............................................................................. 91
6.9 Restore configuration settings ................................................................................. 92
6.10 View Calibration history......................................................................................... 92
6.11 Dependent measurement calibration..................................................................... 92
6.12 In-situ validation (in-line gas validation)................................................................. 93
6.13 Automatic In-Situ Validation ................................................................................ 105
7. Installation 122
7.1 Installation preparations ........................................................................................ 122
7.2 Installation overview.............................................................................................. 131
7.3 Process connections ............................................................................................. 134
7.4 Electrical connections............................................................................................ 140
7.5 Functional earth / ground requirements ................................................................. 143
7.6 Purge connections ................................................................................................ 151
7.7 Commissioning...................................................................................................... 155
8. Service 163
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

07931001B revision 6 © Servomex Group Limited. 2020 iii
8.7 User replaceable spare parts.................................................................................168
9. Certification information 169
9.1 Hazardous area approval and certification.............................................................169
9.2 Label Information...................................................................................................171
9.3 EMC ......................................................................................................................172
9.4 Electrical Safety.....................................................................................................172
9.5 Product Disposal ...................................................................................................172
9.6 EU REACH regulations..........................................................................................173
10. Index 174
11. Appendix Display unit conversion 176
12. Appendix Modbus setup 177
12.1 Implementation guide for Modbus communications .............................................177
13. Appendix French Translation of Warnings 187
1.1 General warnings and cautions ........................................................................187
1.2 Laser safety .....................................................................................................189
1.3 Certification ......................................................................................................189
1.3.1 Hazardous area installations ............................................................................189
1.3.2 Hazardous area variants ..................................................................................191
4.11.3 Raw signal graph .............................................................................................192
5.3.1SD card ...............................................................................................................192
6.2 Removing the transmitter and receiver units from the process .........................193
7.1 Installation preparations ...................................................................................196
7.1.1 Items to remove before installation..................................................................196
7.1.3 Analyzer placement..........................................................................................196
7.1.4 Process flanges................................................................................................197
7.1.5 Mounting rigidity ...............................................................................................198
7.2 Installation overview.........................................................................................198
7.2.1 Safety...............................................................................................................199
7.3 Process connections ........................................................................................200
7.3.1 Fitting the transmitter and receiver mounting/ alignment assembly...................200
7.3.2 Alignment of the transmitter and receiver mounting / alignment assemblies.....200
7.3.3 Fitting the transmitter and receiver on the flange..............................................201
7.4 Electrical connections.......................................................................................202
7.4.1 General safety..................................................................................................202
7.4.2 Glands and cable entries..................................................................................203
7.5 Functional earth / ground requirements............................................................204
7.5.1 Power cable connections .................................................................................204
7.5.3 Identification and location of electrical terminals...............................................204

iv © Servomex Group Limited. 2020 07931001B revision 6
7.6 Purge connections ........................................................................................... 205
7.6.1 Alignment / purging assemblies ....................................................................... 205
7.6.2 Enclosure environmental / measurement (Instrument) purge........................... 205
8.2 Routine maintenance....................................................................................... 205
8.5 Alignment / purging flanges ............................................................................. 207

07931001B revision 6 © Servomex Group Limited. 2020 v
Table of Figures
Figure 1-1: Laser 3 Plus transmitter unit rating label location ..................................................... 4
Figure 1-2: Laser 3 Plus receiver unit certification label location................................................. 4
Figure 1-3: Laser 3 Plus transmitter unit certification label.......................................................... 5
Figure 1-4: Laser 3 Plus receiver unit laser label location........................................................... 5
Figure 1-5: Laser 3 Plus transmitter unit laser label location....................................................... 6
Figure 1-6: Laser 3 Plus mount laser label location .................................................................... 6
Figure 2-1: Laser 3 Plus example installation (exploded view).................................................... 7
Figure 2-2: Laser 3 Plus installation: showing thermal spacer and isolation flange options......... 8
Figure 2-3: Transmitter unit: front, rear, side and under-side views ............................................ 9
Figure 2-4: Receiver unit: front, rear, side and under-side views .............................................. 11
Figure 2-5: Receiver unit indicators .......................................................................................... 12
Figure 2-6: Transmitter unit dimensions ................................................................................... 13
Figure 2-7: Receiver unit dimensions ....................................................................................... 14
Figure 3-1: Transmitter pushbutton keys, screen icons and indicator LEDs.............................. 20
Figure 3-2: Start up screen....................................................................................................... 21
Figure 3-3: Example of a ‘live’ measurement screen ................................................................ 21
Figure 3-4: Example of second measurement screen............................................................... 22
Figure 3-5: Example of an ‘invalid’ measurement screen.......................................................... 22
Figure 3-6: Top level menu structure........................................................................................ 26
Figure 3-7: Edit screen ............................................................................................................. 27
Figure 3-8: Saving sensor measurement (detailed) settings ..................................................... 31
Figure 3-9: Restore measurement (detailed) settings ............................................................... 32
Figure 3-10: Save current calibration configuration................................................................... 33
Figure 3-11: Restore configuration settings .............................................................................. 34
Figure 3-12: Save/ load Analyzer (non-sensor) configuration menu.......................................... 35
Figure 3-13: Save a support package....................................................................................... 37
Figure 4-1: Network settings sequential menu.......................................................................... 38
Figure 4-2: Set time and date menu ......................................................................................... 39
Figure 4-3: Regional settings sequential menu......................................................................... 40
Figure 4-4: Upper and lower display block menu...................................................................... 41
Figure 4-5: Screen backlight time menu ................................................................................... 42
Figure 4-6: Screen brightness menu......................................................................................... 43
Figure 4-7: Select mA input ...................................................................................................... 44
Figure 4-8: Enable or disable mA input..................................................................................... 44
Figure 4-9: mA input sequential menu...................................................................................... 45
Figure 4-10: Physical setup sequential menu ........................................................................... 47
Figure 4-11: mA output sequential menu.................................................................................. 51
Figure 4-12: mA output selection menu.................................................................................... 51
Figure 4-13: mA output range selection menu .......................................................................... 52
Figure 4-14: mA output calibration and override menu ............................................................. 54
Figure 4-15: View active measurement alarm status menu ...................................................... 55
Figure 4-16: Select alarm menu ............................................................................................... 56
Figure 4-17: Assign alarm menu............................................................................................... 56
Figure 4-18: Select alarm mode menu...................................................................................... 57
Figure 4-19: Select alarm latching mode menu ........................................................................ 58
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

vi © Servomex Group Limited. 2020 07931001B revision 6
Figure 4-25: Relay coil state menu........................................................................................... 64
Figure 4-26: Filtering configuration menu................................................................................. 65
Figure 4-27: Set up units menu................................................................................................ 66
Figure 4-28: X - interference configuration menu ..................................................................... 67
Figure 4-29: Set up Clipping menu........................................................................................... 67
Figure 4-30: Clipping configuration menu................................................................................. 68
Figure 4-31: Gain and phase setting menu .............................................................................. 69
Figure 4-32: Adjust gain and phase menu................................................................................ 70
Figure 4-33: Raw signal graph example................................................................................... 71
Figure 5-1: Status sequential menu ......................................................................................... 73
Figure 5-2: Measurement menu ............................................................................................... 74
Figure 5-3: Data log sequential menu ...................................................................................... 75
Figure 5-4: Adjust data log menu ............................................................................................. 77
Figure 5-5: Micro SD connector ............................................................................................... 79
Figure 6-1: Offline calibration view ........................................................................................... 84
Figure 6-2: Physical setup sequential menu............................................................................. 86
Figure 6-3: measurement sensor and environmental configuration menu ................................ 87
Figure 6-4: Calibration settings menu....................................................................................... 87
Figure 6-5: Save calibration configuration menu ...................................................................... 91
Figure 6-6: Restore physical configuration menu ..................................................................... 92
Figure 6-7: View calibration history .......................................................................................... 92
Figure 7-1: Laser 3 Plus installation distances ........................................................................124
Figure 7-2: Laser 3 Plus flange dimensions ............................................................................126
Figure 7-3: Process flange bolt arrangement (4 bolt pattern) ..................................................127
Figure 7-4: Process flange positioning tolerance.....................................................................128
Figure 7-5: Transmitter unit mounting arrangement (example shown with adjustable mount) .129
Figure 7-6: Receiver unit mounting arrangement (example shown with fixed mount) ..............130
Figure 7-7: Installation overview..............................................................................................131
Figure 7-8: Laser 3 Plus in-situ installation..............................................................................133
Figure 7-9: Example of mounting / alignment assembly fitting exploded view .........................135
Figure 7-10 Alignment tool ......................................................................................................137
Figure 7-11: Align M6 screws with the flange joint...................................................................138
Figure 7-12: Rotate the enclosure...........................................................................................139
Figure 7-13: Tighten the M6 screws........................................................................................139
Figure 7-14: Cable strip lengths ..............................................................................................142
Figure 7-15: Receiver unit cable gland position.......................................................................142
Figure 7-16: Transmitter unit cable gland positions.................................................................143
Figure 7-17: Opening the transmitter unit................................................................................145
Figure 7-18: 7-way main terminal and entry glands.................................................................146
Figure 7-19: 8-way transmitter to receiver connector ..............................................................147
Figure 7-20: Ethernet connections ..........................................................................................149
Figure 7-21: 12-way options board connections......................................................................150
Figure 7-22: Transmitter purge................................................................................................152
Figure 7-23: Receiver purge ...................................................................................................153
Figure 7-24: Peel back the boot ..............................................................................................157
Figure 7-25: Installation: ball-joint adjustment screws .............................................................158
Figure 7-26: Installation: Large O-ring adjustment screws.......................................................159
Figure 7-27: Installation: Large O-ring initial setting ................................................................159
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

07931001B revision 6 © Servomex Group Limited. 2020 vii
Figure 8-4: Relay override menu ............................................................................................ 165
Figure 8-5: service override menu .......................................................................................... 165
Figure 8-6: Optical windows ................................................................................................... 167
Figure 9-1: ATEX / IECEx labels ............................................................................................ 171
Figure 9-2: SGS North American labels.................................................................................. 171
Figure 9-3: Rating label .......................................................................................................... 171
Tables
Table 6-1: Calibration check list................................................................................................ 82
Table 7-1: Pre-installation check list ....................................................................................... 122
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

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07931001B revision 6 © Servomex Group Limited. 2020 ix
About this manual
Safety information
The following icons are used throughout this manual to identify any potential
hazards that could cause serious injury to people or damage to the equipment:
This symbol warns of specific hazards which, if not taken into
account, may result in personal injury or death.
This symbol warns of specific hazards from laser radiation.
This symbol warns of specific hazards from high temperatures.
This symbol warns of specific hazards from asphyxiation.
This symbol warns of specific hazards from nitrogen gas.
Other information provided by the manual
This symbol highlights where you must take special care to ensure
the Analyzer or other equipment or property is not damaged.
Note:
Notes give extra information about the equipment.
Hint:
Hints give helpful tips.
Scope of the manual
This manual covers the 07931001B of the Laser 3 Plus.
Other documents for the Laser 3 Plus are listed below:
Document
Description
Document
number
Service Manual
Optional manual us for use by qualified
personnel and provides detailed
servicing instructions.
07930002B
Functional Safety
Optional functional safety manual.
07930006B
Certification
Manual
Details of Certification requirements.
07930008B

x© Servomex Group Limited. 2020 07931001B revision 6
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07931001B revision 6 © Servomex Group Limited. 2020 1
1. Safety
1.1 General warnings and cautions
If the Laser 3 Plus is used in a manner not specified
within this manual, the protection provided by the
equipment may be impaired.
Failure to observe the requirements of the manual may
result in the user being held responsible for the
consequences and may invalidate any warranty.
Before you attempt to install, commission or use the
Laser 3 Plus, read this manual carefully.
Do not attempt to install, commission, maintain or use
the Laser 3 Plus unless you are trained and competent.
Ensure that Purge Port 3 of the Transmitter Unit,
‘Enclosure Out’, is free to vent to atmosphere before
operation of the instrument.
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.
The Laser 3 Plus does not include any user-serviceable
parts.
The Laser 3 Plus does not include any user replaceable
fuses.
Do not use the Laser 3 Plus as Personal Protective
Equipment (PPE).
If you do not install and use the Laser 3 Plus in
accordance with the instructions in this manual, you may
risk exposure to hazardous laser radiation.
The Laser 3 Plus may be attached to equipment that is
hot. Always wear the appropriate PPE to minimize the
risk of burns.
Where there is a risk associated with the release of
potentially harmful gases into the operating
environment, always use suitable monitoring equipment.
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

2© Servomex Group Limited. 2020 07931001B revision 6
prevent exposure of personnel and the environment to
the hazardous gases.
The analyzer may fail if it is used with sample streams
that contain substances not compatible with those listed
in Section 2.8.
Make sure that you install the instrument to conform to
all relevant safety requirements, National Electrical Code
and any local regulations. The installation must be safe
for any extremes of operating conditions which may
occur in the operating environment of the Laser 3 Plus.
Do not install the analyzer on a surface which is subject
to high levels of vibration or sudden jolts. Sample
measurements may not be accurate and the analyzer
may be damaged.
1.2 Laser safety
CLASS 3R LASER PRODUCT.
LASER RADIATION. The Laser 3 Plus is a Class 3R laser
product. The laser light is not visible. Do not look into the
laser beam. Avoid direct eye contact with the laser radiation.
The transmitter and receiver units both have a Laser On
indicator. This is ON when the transmitter emits laser radiation
from the optical window.
CLASS 3R LASER PRODUCT.
LASER RADIATION. Changes to settings or performance of
procedures other than those specified in this manual may
result in hazardous radiation exposure.
1.3 Certification
Hazardous area installations
Do not modify the unit, either mechanically or electrically, or
the certification of the instrument will be invalidated and it
may not operate safely.
Exposure to some chemicals may degrade the sealing
properties of materials used in the following devices (North
America only):
K1: Relay from Analyzer Main Board Sealed Device
K1: Relay from Option Board Sealed Device
K2: Relay from Option Board Sealed Device
Substitution of the following components may impair
suitability for Division 2 (North America only):

07931001B revision 6 © Servomex Group Limited. 2020 3
K1: Relay from Analyzer Main Board Sealed Device
K1: Relay from Option Board Sealed Device
K2: Relay from Option Board Sealed Device
EXPLOSION HAZARD - Substitution of components may
impair suitability for CL I, Div 2. (North America only).
Make sure that the operating environment is within the limits
specified in the product data (section 2.6.5).
Do not install the Laser 3 Plus in a high-velocity dust-laden
atmosphere.
Do not open the enclosure if an explosive atmosphere is
present.
Do not open the enclosure if the Laser 3 Plus is energized.
It is a condition of certification that the unit must be installed
following the appropriate national or international legislation
or codes of practice. In particular, you must make sure that
the correct glands are fitted to cable entries and that you do
not compromise the weatherproofing of the enclosure.
All of the analyzer electrical connections are considered to be
incendive and therefore must only be connected to safe area
equipment.
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.
Hazardous area variants
Do not use hazardous area variants with a process
atmosphere that requires EPL Ga. (e.g. Zone 0). If they are
used within this process atmosphere, the hazardous area
certification may be invalidated.
Do not use hazardous area variants for oxygen enriched
flammable samples; that is gases over 21% O2. If they are
used with gases containing over 21% O2the hazardous area
certification may be invalidated.
Hazardous area variants are certified for use with a flammable
process atmosphere at a pressure of 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.

4© Servomex Group Limited. 2020 07931001B revision 6
1.4 Markings
The Laser 3 Plus includes these external markings. Their locations are shown in
section 1.4.1.
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

07931001B revision 6 © Servomex Group Limited. 2020 5
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

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