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© Servomex Group Limited. 2020 

07931001B revision 6 

 

4.4 Configure mA outputs 

 mA outputs 

There is 1 mA output provided on the standard analyzer configuration. An additional 
mA output is available if the analyzer 

is supplied with an ‘options PCB’. Supervisor 

level is required to configure mA output. 

Each output can be assigned to one of 4 measurement properties (e.g. gas 
measurement 1 or gas measurement 2, or pressure or temperature [mA input]) or 
the transmission. 

The mA output provides a constantly updated output, in which the current 
represents the value of the measurement. 

The analyzer allows you to specify two separate range configurations for the mA 
outputs, range 1 and range 2.  

 

The mA output can be selected as: 

0 

–

 20 mA  

0 mA represents the lowest sample measurement and 20 mA 

 

 

 

represents the highest sample measurement in the range  

 

 

 

specified 

4 

–

 20 mA  

4 mA represents the lowest sample measurement and 20 mA 

 

 

 

represents the highest sample measurement in the range  

 

 

 

specified 

You can also specify how the mA output operates during calibration, a fault 
condition and under-range conditions. 

 

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. 

 

 

Содержание 07931001B

Страница 1: ...Part Number 07931001B Revision 6 Language ENGLISH UK US SERVOTOUGH Laser 3 Plus OPERATOR MANUAL...

Страница 2: ...Servomex Group Limited 2020 This page intentionally blank...

Страница 3: ...ular 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 sh...

Страница 4: ...Servomex Group Limited 2020 This page intentionally blank...

Страница 5: ...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 measur...

Страница 6: ...ental 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...

Страница 7: ...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 installat...

Страница 8: ...ited 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...

Страница 9: ...re 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 Re...

Страница 10: ...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 Lase...

Страница 11: ...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...

Страница 12: ...viii Servomex Group Limited 2020 07931001B revision 6 This page intentionally blank...

Страница 13: ...tion 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...

Страница 14: ...x Servomex Group Limited 2020 07931001B revision 6 This page intentionally blank...

Страница 15: ...ved 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...

Страница 16: ...aser 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...

Страница 17: ...g 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 diele...

Страница 18: ...ernal 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 transm...

Страница 19: ...1001B 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 loca...

Страница 20: ...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...

Страница 21: ...allow removal of the TU and RU for calibration or maintenance Flange mounts and window purge assemblies are provided to mount the transmitter and receiver to the process flanges Quick connect connect...

Страница 22: ...cer arrangement 1 4 Process pipe stack duct etc 9 Thermal spacer arrangement 2 5 Process gas 10 Isolation flange arrangement 1 11 Isolation flange arrangement 2 Note Installation may vary depending on...

Страница 23: ...een 10 Functional EMC earth ground 3 Display 11 Window purge out standard 4 Alarm LED Alarm status red 12 Window purge out option isolation flange only 5 Pushbuttons 13 Adjustable mount alternatively...

Страница 24: ...feed 0 4 to 20 mA output A status relay output Ethernet connectivity SD Card Display with key inputs A display LCD allows access to measurement and menu options Option of an additional I O board Prov...

Страница 25: ...Functional EMC earth ground 2 Optical window receiver aperture 8 Window purge out standard 3 Purge 1 Detector module gas IN 9 Cable entry gland 1 off M20 x 1 5 mm 4 Purge 2 Enclosure gas IN 10 Window...

Страница 26: ...r LEDs Figure 2 5 Receiver unit indicators The receiver unit front panel contains the following indicator LEDs LED Function Color 1 Laser adjustment usually OFF Illuminated Amber during alignment 2 La...

Страница 27: ...joint two options 2 5 Power supply optional The optional power supply is a third party Input voltage nominal 100 240VAC Output 24 VDC nom Input current at full load typ 1 0A at 230VAC 2 0A at 115VAC R...

Страница 28: ...202 7 953 203 7 992 E 75 2 953 65 2 559 F 210 8 268 207 8 150 G 235 9 252 224 8 819 H 35 1 378 35 1 378 I 35 1 378 34 1 339 J 52 2 047 29 1 142 Weight 2 0 kg 4 4lbs 1 6 kg 3 52lbs Electrical specifica...

Страница 29: ...aser beam Avoid direct eye contact with the laser radiation Figure 2 1 shows the laser beam path The transmitter and receiver units both have a Laser On indicator This is ON when the transmitter emits...

Страница 30: ...pplication dependent T90 Application dependent For general commissioning activities the analyzer will be functional within 10 minutes however Servomex recommend allowing 3 hours for the analyzer to st...

Страница 31: ...rtion tubes 19 5 mm to 35 mm dia pair Calibration cell 316SS for corrosive gases except HF 4 to 20 mA outputs isolated current loop 500 maximum One 4 to 20 mA output Two 4 to 20 mA outputs optional 4...

Страница 32: ...01B revision 6 Purge gas filtration Dry and oil free air ISO 8573 1 Class 2 3 or N2 99 99 Application specific Flange and window purging Purge flow application dependent Transmitter and receiver windo...

Страница 33: ...w seal Loctite 595 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 b...

Страница 34: ...or through the various menus during setup installation calibration etc 3 2 Transmitter Unit Indicator LEDs Refer to Figure 3 1 Transmitter pushbutton keys screen icons and indicator LEDs The transmitt...

Страница 35: ...lt to the live measurement screen The measurement screen displays 2 measurements Figure 3 3 Example of a live measurement screen Item 1 Measurement number 6 Soft key navigation icons 2 Measurement des...

Страница 36: ...re that measurement becomes unreliable the measurement display will revert to Invalid Figure 3 5 Example of an invalid measurement screen Note During this time all other functions will remain active h...

Страница 37: ...at the bottom of the screen correspond to the four soft keys on the front of the analyzer The icons that appear are Icon Meaning Function when soft key is pressed Menu Displays the menu screen Calibr...

Страница 38: ...intenance Analyzer requires maintenance Out of specification Indicates the analyzer is operating out of specification Indicates a specific measurement is operating out of specification Warming N A Ind...

Страница 39: ...equired E g when entering temperature or pressure parameters a minus sign can also be accessed To choose an option on any screen If more options are available than can be shown on the screen a scroll...

Страница 40: ...rrent analyser status Alarms View History View analyser status history Status Export History Export analyser status history Set Up Clear History Clear analyser status history Measurements Service Set...

Страница 41: ...digit highlighted Figure 3 7 Edit screen Soft key Function This soft key is available when the first digit is highlighted Press this soft key to exit the menu without changing any data Increases highl...

Страница 42: ...re enter the password Note Holding down the soft key will clear the current security level and return the display to the measurement screen The Laser 3 Plus does not contain factory set operator or su...

Страница 43: ...be saved loaded to the instrument by different security password levels Measurement configuration There are two forms of this file the sensor settings and the users environmental settings The Configur...

Страница 44: ...g moving the instrument from process to calibration tool The file contains everything except laser diode characterization data and calibration data The file can be saved restored from internal memory...

Страница 45: ...t Config Alternative Alarms mA Output Restore Config Custom Status Relay Setup Delete Config Operating Default Set Up Filtering Measurements Unit Select Service X Interference Clipping User Settings S...

Страница 46: ...ions 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...

Страница 47: ...can save all of the following options to internal memory located on the Main PCB The custom option can only be saved to a suitable microSD card To save the current calibration configuration perform t...

Страница 48: ...ttings Level 1 Level 2 Menu Calibrate Calibrate Settings Data Log Calibrate Alarms Validate Status View History Set Up Export History Measurements Clear History Service Save Current Config Restore Con...

Страница 49: ...setting menu 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...

Страница 50: ...e package contains Alarm history Calibration history Data log if enabled Firmware version information A snapshot of measurement data values at time of export Origin file information on analyzer the lo...

Страница 51: ...Config Delete Config Save Support Package Save Support Package Filename Media Package3 Information Manual YY MM DD HH MM Select Save Support Package Save Support Package Save Support Package Save Sup...

Страница 52: ...IPv4 or IPv6 address must be set to a unique value in the network Menu Set Up User Settings Network Settings Calibrate Manage Analyser Network Settings DHCP Dynamic Static Data Log mA Input Password...

Страница 53: ...to ensure consistency with your own system time Menu Set Up User Settings Clock Calibrate Manage Analyser Network Settings Time Data Log mA Input Password Alarms mA Output Clock 00 00 Status Relay Se...

Страница 54: ...Up Filtering Display Setup DD MM YY Measurements Unit Select Backlight Service X Interference Brightness Clipping Save Current Config cm User Settings Restore Config m Delete Config inches Save Suppo...

Страница 55: ...n up to 5 measurements although only 2 may be displayed on screen at any one time Menu Set Up User Settings Display Setup Calibrate Manage Analyser Network Settings Upper Block Data Log mA Input Passw...

Страница 56: ...e 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 Menu Set Up Use...

Страница 57: ...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 Menu Set Up User...

Страница 58: ...nable or disable the selected mA input 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 illustrate...

Страница 59: ...ress Fault Reset Threshold 100 Current 1 low set 4 000 mA edit Temperature Out of Range State select option Filter Time 0 000 sec edit time Underrange 0 000 mA edit value Overrange 0 000 mA edit value...

Страница 60: ...ng minimum measurement at Current 1 low set for the connected mA Input device Measurement 2 high Corresponding maximum measurement at Current 2 high set for the connected mA Input device Under range A...

Страница 61: ...lowing sequential menu table Figure 4 10 Physical setup sequential menu Menu Manage Analyser Calibrate Level 3 Level 4 Level 5 Level 6 Level 7 Level 8 Level 9 Data log Alarms Status Set up Measurement...

Страница 62: ...surement gas pressure and the internal enclosure pressure Note The internal transmitter pressure sensor is factory calibrated The offset is stored in the calibration certificate provided with the anal...

Страница 63: ...ent gas temperature and the internal enclosure temperature Hint Under normal operating conditions the enclosure internal temperature is approximately 15 to 20 C above ambient Note The internal tempera...

Страница 64: ...the measurement The analyzer allows you to specify two separate range configurations for the mA outputs range 1 and range 2 The mA output can be selected as 0 20 mA 0 mA represents the lowest sample m...

Страница 65: ...n Range mA Output Range 1 Low Level 0 000 edit value Range 1 High Level 0 000 edit value Range 2 Low Level 0 000 edit value Range 2 High Level 0 000 edit value 4 000 mA edit value During Calibration s...

Страница 66: ...ange 2 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 M...

Страница 67: ...output freezes at its last output level as soon as the calibration screen is displayed The output only updates to reflect subsequent measurements when you exit the calibration screen Follow the mA ou...

Страница 68: ...put When the mA output has been correctly calibrated press the soft key the mA output service screen will then be displayed again Menu Service mAOutput mAOutput 1 1 XXX mAOutput 1 1 XXX Calibrate mA O...

Страница 69: ...es and levels 25 alarms are available to be allocated for the gas measurements or transmission You can configure each alarm to operate in one of three modes Alarm mode Operation None An alarm is raise...

Страница 70: ...of the analyzer flashes on and off If the alarm is assigned to a relay the appropriate alarm relay is triggered Configure the measurement alarms Figure 4 16 Select alarm menu Figure 4 17 Assign alarm...

Страница 71: ...tivated until the alarm is manually unlatched Non Latching 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 alarm...

Страница 72: ...ms 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 Alarms Alarm 1 2 Trans...

Страница 73: ...a sample measurement is 18 and the alarm is not deactivated until a sample measurement is 19 Figure 4 20 Set alarm level and hysteresis menu Hint Make sure that the measurement alarm and hysteresis le...

Страница 74: ...nalyzer switch on The current alarm history log will be exported to the selected log media Clear history will clear the current alarm history log stored in the selected media Note You will be asked to...

Страница 75: ...relays 1 2 or 3 Menu Set Up Relay Setup Relay Setup Relay 1 Event 1 Calibrate Manage Analyser Relay Relay 1 Event 1 None Data Log mA Input System Fault Alarms mA Output 1 None System Maint Status Rela...

Страница 76: ...surement 1 Fault specific to measurement 1 1 TU 1 S I P Measurement 1 Service in progress specific to measurement 1 1 TU 1 O o S Measurement 1 Measurement 1 out of specification Note There are up to 4...

Страница 77: ...int Status Relay Setup System S I P Set Up Filtering System O o S Measurements Unit Select 1 XXX Fault Service X Interference 1 XXX Maint Clipping 1 XXX S I P User Settings Relay Setup 1 XXX O o S Rel...

Страница 78: ...yzer fails or the relay cable is disconnected a fault is raised because this is electrically the same as if Relay 1 is de energized This is a fail safe situation In some applications it is preferable...

Страница 79: ...llion volume mg m3 mg m 3 milligrams per cubic meter mol mol mols per mol or moles per mole LEL volume of the Lower Explosive Limit Note mg m3 may differ from definition of mg Nm3 milligrams per Norma...

Страница 80: ...re A list of conversion factors is listed in Section 0 Menu Set Up Unit Select 1 XXX Unit Select Units Calibrate Manage Analyser 1 Measurement 1 Units Off Data Log mA Input 2 Measurement 2 ppt Alarms...

Страница 81: ...hen enabled clipping is applied to all instances of a measurement including displayed values mA output values and values accessible through digital communications To set up clipping Figure 4 29 Set up...

Страница 82: ...lipping override level is exceeded Clipping Status Hysteresis The user is able to enter a hysteresis value in measurement units This value is applied to the clipping level such that the measurement mu...

Страница 83: ...dust loads are either very high or very low can cause zero detection not enough laser energy or saturation too much laser energy when dust levels revert to normal Review the application and dust load...

Страница 84: ...l 2 Level 3 Level 4 Level 5 Menu Set Up Manage Analyser Manage Current Config Phase Gain Settings Calibrate Manage Analyser Manage Current Config Service Mode Alignment LEDs Data Log mA Input Save Cur...

Страница 85: ...y result in unacceptably high raw 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 ABurst...

Страница 86: ...nd 300 If peak to peak signal amplitude exceed 40 000 80 000 at optimal detector signal voltage one should avoid performing Adjust Burst Phase Cal as hot CO absorption lines appear around Aburst can d...

Страница 87: ...e separately available Service Manual 07931002B Figure 5 1 Status sequential menu View history The View history page enables the current log to be scrolled through to see each event in the history Eac...

Страница 88: ...measurements for any mA input devices and transmission level Note Parameters cannot be changed only viewed mA input Provides information on mA input devices Measurement and units Calibrated current Fi...

Страница 89: ...nd if present pressure and temperature as obtained from mA input Note Please note these values should be discarded if mA inputs are not enabled Note It is recommended that this file is saved over a pe...

Страница 90: ...ations It contains information about all the derived quantities that contribute to the gas measurement line width amplitude gas reference signal etc as well as the full spectra and all analyzer commun...

Страница 91: ...ped View log The view log page enables the current log to be scrolled through so each data point can be viewed Clear log Clear log will clear the current log stored in the selected media You will be a...

Страница 92: ...a negligible risk of pollution of the electronic circuits due to moisture liquids dirt dust or other contamination Before you refit the covers make sure that the sealing gaskets are clean dry and unda...

Страница 93: ...ored on 2Gb SD Card is 775507 records taking approximately 30 minutes to export Note MicroSD Card speeds do vary and can have a significant effect on export timings Note Unformatted Micro SD cards are...

Страница 94: ...tory will show C29I00 SATURATION and C35I00 STOPPED In order to avoid stop this error appearing commissioning the analyzer should commence with lower DC1 or DC2 gains and then consequently increase to...

Страница 95: ...ill return an X on the display E flag and status history will show C29I00 SATURATION and C35I00 STOPPED Reduce DC1 and DC2 gains or check that actual concentration does not exceed specified range 5 5...

Страница 96: ...on 6 8 9 Restore configuration settings 6 9 Table 6 1 Calibration check list The analyzer is factory calibrated using a certified gas mixture and is supplied with a calibration test report Servomex re...

Страница 97: ...be taken to avoid disturbing and potentially misaligning the balljoint flange Note The calibration cell is supplied with a TU RU connection cable fitted with terminal connectors Therefore when the TU...

Страница 98: ...cloth moistened with water to wipe clean the outside of the enclosure Optical glass window must be cleaned only if necessary with isopropanol only Electrically connect the transmitter and receiver us...

Страница 99: ...ensor is located far away from the cell switch off the gas flow before calibration wait for 1 minute for the readings to stabilize and then perform calibration In this case the gas pressure is equal t...

Страница 100: ...f 4 11 Calibration cell path length to be entered 250mm 500mm 750mm or 1000mm Menu Manage Analyser Calibrate Level 3 Level 4 Level 5 Level 6 Level 7 Level 8 Level 9 Data log Alarms Status Set up Measu...

Страница 101: ...ms mA Output Restore Config Custom Status Relay Setup Delete Config Operating Default Set Up Filtering Measurements Unit Select Service X Interference Clipping User Settings Menu Calibrate Settings Ca...

Страница 102: ...type Uses raw transducer measurement prior to any X interference compensation or measurement filtering X interference cal measurement type Uses the X interference compensated measurement prior to any...

Страница 103: ...the system to reach a stable reading measurement stability must be assured before requesting calibration Check that the reading agrees with the concentration of certified gas within specified toleranc...

Страница 104: ...at least 15 minutes to 30 minutes longer for adsorbing gases such as NH3 at flows between 500 ml min to 1000 ml min The customer needs to enter their precise cal bottle concentration in pp or other un...

Страница 105: ...his file can be saved and restored by Supervisor level users Calibrate Save Current Config Settings Select Calibrate Alternative Validate Custom select View History Operating default Export History Cl...

Страница 106: ...cy between the two measurements has been implemented to calibrate the analyzer The second measurement unavailable at low temperature cannot be selected Instead it will become calibrated once calibrati...

Страница 107: ...n and the process measurement is restored In line validation is a manual process that is initiated by the operator on the user interface The UI then transitions through a sequence of steps to perform...

Страница 108: ...ons will be reasonably stable during this procedure Note Filters must be turned off before validation Ref section 4 7 Note Check the validation gas type and concentration Stability Measurement At vari...

Страница 109: ...ce of steps through the validation process There are two columns of screen displays in the table The column on the left shows the sequence that is followed if each step in the procedure was successful...

Страница 110: ...to fail and it will be again reported once the procedure has finished or has been terminated The Service In Progress flag is raised while in line validation is in progress in order to indicate to the...

Страница 111: ...ill raise the Service In Progress flag If the system is in warming mode then a message will be displayed saying that validation cannot continue 5 Enter the pressure in the validation cell In this exam...

Страница 112: ...h a 21 O2 validation test gas bottle would correspond to successful validation if the reported validation readings would be between 20 O2 and 22 O2 11 Enter the length of the validation cell Standard...

Страница 113: ...me is 30 sec A flush time of 2 min should be sufficient for most applications 16 Enter a timeout value The analyzer will use this timeout when waiting for the measurement to achieve stability In the e...

Страница 114: ...will be told that validation cannot continue The normal process parameters will then be restored and the validation process will exit 21 22 This message saying Validation Completed is displayed at the...

Страница 115: ...n of the baseline is now complete Analyzer parameters have been updated The analyzer will now wait for zero gas to flush through the validation cell The displayed concentration should drop to zero dur...

Страница 116: ...the validation has passed or failed A pass means that the calculated span concentration was within the permitted range 32 The operator is now instructed to purge the validation cell with zero gas Note...

Страница 117: ...entered in step 15 34 The process parameters will now be restored to the normal process measurement parameter set 35 Baseline subtraction is now turned off 36 The analyzer waits for a period equal to...

Страница 118: ...be viewed as follows Step No Display Description 1 Select Calibrate from the top level menu 2 Select View History 3 You can then see all of the recorded results for both calibration and validation Us...

Страница 119: ...configured to do so and which includes a suitable HMI plus all necessary pipework and valves Note that a separate document has been produced by Servomex which provides guidelines and assistance for a...

Страница 120: ...urements Fault indicators The state of the auto val process The auto val pass fail result Note that although there is a two way flow of data over Modbus TCP between the Laser 3 Plus and the HMI the La...

Страница 121: ...idation test result 50002 50082 R 0 test result not available 1 test in progress 2 test failed 3 test passed Auto validation state 50003 50083 R 0 auto validation is not running 1 auto validation is r...

Страница 122: ...thin the stability criteria for this length of time before taking a zero or span measurement Unit sec Set Flush Time 50027 50107 R W Allow the zero or span gas to flush through for this length of time...

Страница 123: ...er 3 Plus during auto validation Final zero threshold 50075 50155 The cell concentration measurement must be below this level after the final zero flush If it is not then a Maintenance Required fault...

Страница 124: ...dresses every few seconds during auto validation so that it knows when to turn the gases on and off It is only necessary to read the registers for the measurement being validated Reading back a 0 mean...

Страница 125: ...07931001B revision 6 Servomex Group Limited 2020 111 Auto Validation Process Flow The diagram below shows the process flow through the complete auto validation sequence...

Страница 126: ...n commanded If the address returns 0 then the correct passcode has not been received and auto val will not be allowed to start The registers are Auto Validation Pass Code Correct password received Ref...

Страница 127: ...s stable Refer to section 6 13 8 5 for an explanation of how measurement stability is calculated When setting this parameter it should be set as low as possible to ensure an accurate validation measur...

Страница 128: ...gister address Things to note 1 Auto Validation will not start if the analyzer is currently warming or in fault The HMI can monitor these on Modbus 2 Out of spec E faults are suppressed during auto va...

Страница 129: ...DC count So for example a concentration standard deviation threshold value of 5 0 a transmission standard deviation threshold value of 15 0 and a stability time of 60 means that the standard deviation...

Страница 130: ...and then subtracts it from all future spectra until you turn off baseline subtraction If the measurement does not drift and is not noisy then this should result in a concentration of 0 However in rea...

Страница 131: ...or span gas to be turned on the Laser 3 Plus will proceed to the next step which is span gas flush The Laser 3 Plus will now wait for the span gas to flush through the validation cell The process is e...

Страница 132: ...t based on the parameters that have been set by the user The table below shows the data used in the test result calculation and the calculation steps that give the validation test result Data used in...

Страница 133: ...s been completed The Laser 3 Plus now again waits for the measurement to stabilize The process is exactly the same as described previously There is no involvement from the HMI in this step and the Las...

Страница 134: ...takes several minutes for the measurement to return to normal as it is heavily filtered and it takes time for a change in concentration to make its way through the filters So the analyzer will wait fo...

Страница 135: ...e logged when the analyzer is next powered on It can be seen in the status log as shown below This is a safety feature that is similar to the check at the end of auto val that the cell has been purged...

Страница 136: ...ed wrench 1 M4 internal screen nuts 30 mm open ended wrench 1 Ball joint locking nut on adjustable alignment flange 5 mm Allen key 1 M6 instrument quick connect locking bolts 3 mm Allen key 1 Lid and...

Страница 137: ...before operation of the instrument The transmitter unit is also shipped with a small bag of silica gel inside the enclosure unit Ensure that this bag of gel is removed before operating the instrument...

Страница 138: ...decide where to place the Laser 3 Plus in the process we recommend a minimum of 5 stack diameters of straight duct before and 2 stack diameters of straight duct after the measurement point Recommende...

Страница 139: ...tions operating above the maximum process pressures the Pressure Equipment Directive PED applies and an appropriate isolation flange must be fitted Install and use the isolation flanges in accordance...

Страница 140: ...flange dimensions dimensions in mm inches Overall diameter D Hole pitch circle diameter PCD Hole diameter H equi spaced Hole diameter A Flange designation 115 0 4 528 85 0 3 346 14 0 0 551 25 0 0 984...

Страница 141: ...90 3 3 555 ANSI 3 150 228 60 9 190 50 7 5 19 1 0 752 116 4 566 ANSI 4 150 The transmitter and or receiver instrument flanges are provided with an alignment mechanism that allows limited manual adjust...

Страница 142: ...r units including the mounting flanges and unsupported cables Install the Laser 3 Plus on a structure that is capable of supporting the weight of the transmitter unit TU and receiver unit RU If the st...

Страница 143: ...late 5 Process wall Transmitter Unit 2 0 kg 4 4 lb Flange 3 5 kg 7 7 lb Unsupported cable weight 3 5 kg 7 7 lb Total 9 0 kg 19 8 lb If the process wall is not strong enough to support the TU or RU Ser...

Страница 144: ...eiver Unit 1 6 kg 3 5 lb Flange 2 5 kg 5 5 lb Unsupported cable weight 2 0 kg 4 4 lb Total 6 1 kg 13 4 lb As the TU weighs considerably more than the RU support for the RU is less of an issue However...

Страница 145: ...y see 7 6 Align the TU alignment assembly see 7 3 2 Install the RU s alignment assembly on to the process flange if available see 7 3 1 Align the RU alignment assembly see 7 3 2 Install TU and RU elec...

Страница 146: ...missioning Lubricate flange mounting threads with supplied anti seize paste before you install the Laser 3 Plus The optical windows in the receiver and transmitter units are installed in the factory D...

Страница 147: ...engths are correct Check the cables are stripped correctly Unpack and check the components Check the tools list Mount the PSU or check the availability of a local 24 V supply Table 7 2 Pre installatio...

Страница 148: ...r 3 Plus is switched off Note The mounting alignment assemblies are adjustable the receiver alignment purging flange may be fixed for shorter path lengths Bolt the transmitter and receiver instrument...

Страница 149: ...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 hazar...

Страница 150: ...he assembly in position This is easiest to do with two hex keys one to loosen and the other to tighten Note All adjusting screws have a right hand M6 thread and give an angular resolution of 1 8 per s...

Страница 151: ...n eye piece with integrated scope is available with an optical magnification factor of 4X and crosshair target The alignment tool is NOT Ex certified It CANNOT be used where a FLAMMABLE atmosphere is...

Страница 152: ...Make sure that there is enough space at the base and sides of the enclosure to open the covers and to route cables and pipework without tight bends Note Although the following diagrams show the TU use...

Страница 153: ...n 6 Servomex Group Limited 2020 139 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 Tight...

Страница 154: ...lyzer This must also incorporate a suitable fuse or over current protection device set to or rated at no more than 3 A To comply with the relevant safety requirements this power disconnection device m...

Страница 155: ...twisting as specified in the relevant safety standard applicable to the installation Be UL or CSA approved if you are installing the Laser 3 Plus in the USA or Canada Blanking plugs must also be UL o...

Страница 156: ...vision 6 Strip all cables to the dimensions shown in Figure 7 14 Cable strip lengths below Figure 7 14 Cable strip lengths Use one M20 x 1 5 mm cable gland in the receiver unit Figure 7 15 Receiver un...

Страница 157: ...le or solid conductors up to 10mm2 7 AWG up to a maximum length of 2m 6 6 75 Power cable connections You can connect the Laser 3 Plus to a 24 VDC supply on site voltage range of 18 to 30 VDC Make sure...

Страница 158: ...sure that the power supply for the Laser 3 Plus meets the immunity and emission requirements of the environment in which it is being operated is not a DC supply network that powers other equipment wit...

Страница 159: ...tion and location of electrical terminals To open the transmitter unit loosen the 4x M4 captive screws on the front panel A in Figure 7 17 The front panel hinges open B in Figure 7 17 to show the elec...

Страница 160: ...entry glands Terminal Signal 1 18 to 30 V DC nominally 24 V DC 2 0 V 3 Relay N O 4 Relay COM 5 Relay N C 6 mA Output 7 mA Output Screw terminal torque 0 2 0 25 Nm All unused screw terminals must be ti...

Страница 161: ...ransmitter to receiver connector Terminal Signal 1 TU RU comms A Twisted Pair 1 2 TU RU comms B Twisted Pair 1 3 12 V DC Twisted Pair 2 4 0 V Twisted Pair 2 5 Signal 1 Measurement Twisted Pair 3 6 Sig...

Страница 162: ...ecification Cable type Screened Number of cores 8 Configuration of cores Twisted pairs Rating current voltage 300 VRMS Characteristic impedance 100 Rating temperature 20 to 75 C 4 to 167 F Cable condu...

Страница 163: ...ge Green Rx 3 7 Brown White Brown White 8 Brown Brown A 4 way Weidmuller plug is used hence a modified Ethernet cable is required to connect to the instrument The table below shows the two standards o...

Страница 164: ...2 9 Relay 2 COM 4 mA Input 2 10 Relay 2 N C 5 Relay 1 N O 11 mA Output 6 Relay 1 COM 12 mA Output Screw terminal torque 0 2 0 25 Nm All unused screw clamps must be tightened Ensure connector latches c...

Страница 165: ...y and clean Specific gas selected is application dependent Hint For Fixed pipe installations a typical flow rate is between 20 and 30l min 1 For all other configurations set an initial purge flow in t...

Страница 166: ...Window purge OUT standard 2 Window purge OUT option for isolation flange only cap if not required 3 Window purge IN Max flow of 10 lmin 1 4 Purge 3 Purge gas exit DO NOT BLANK 5 Purge 2 Enclosure gas...

Страница 167: ...dent Description 1 Window purge OUT standard 2 Window purge OUT option for isolation flange only cap if not required 3 Window purge IN Max flow of 10 lmin 1 4 Purge 3 Purge gas exit DO NOT BLANK 5 Pur...

Страница 168: ...rge gas to avoid backflow If the purge delivery system cannot be flow limited the performance of the analyzer may be degraded and the equipment may be physically damaged For applications where purging...

Страница 169: ...ector latches are secure and engaged fully All wiring terminations are secure and tight All screws in unused terminals are secure and tight Cable glands are secured and made weather tight Cables are d...

Страница 170: ...nment 7 3 2 Alignment of the TU Laser gain adjustment process 7 7 2 Receiver unit alignment 7 7 2 Table 7 4 Alignment check list Before the Analyzer can be used it must be set up and the laser adjuste...

Страница 171: ...ltage achieved is between 1 2V and 1 5V Step 5 When all adjustments are complete gradually tighten all adjusting M6 screws A B C and D and nuts then replace covers Figure 7 25 taking care not to chang...

Страница 172: ...158 Servomex Group Limited 2020 07931001B revision 6 Figure 7 25 Installation ball joint adjustment screws...

Страница 173: ...07931001B revision 6 Servomex Group Limited 2020 159 Figure 7 26 Installation Large O ring adjustment screws Figure 7 27 Installation Large O ring initial setting 5 m M 1 0 s...

Страница 174: ...of the RU adjustable flange see Figure 7 27 Step 3 To align using the LEDs watch the receiver alignment LEDs on the receiver unit as you tighten in turn each of the 4 M16 adjusting screws Note The LE...

Страница 175: ...DC voltage level does not exceed 2 7 volts To check the DC voltage level refer to 4 11 1 Note The receiver alignment LEDs can only be used when the receiver is fitted with an adjustable mount not a fi...

Страница 176: ...tings Error Reference source not found Configure the network settings 4 1 1 Configure the time and date to your region 4 1 2 Configure the regional settings 4 1 3 Table 7 5 Software configuration chec...

Страница 177: ...mA Output mA Output Data Log mA Input Calibrate 2 Alarms Relay Override 1 1 Status Set Up Measurements Service adjust mAOutput 1 1 XXX mAOutput 1 1 XXX Calibrate Calibrate mA 20 000 mA adjust select...

Страница 178: ...og mA Input 2 Disabled Alarms Relay Override 1 temperature 1 temperature select Status Set Up Measurements Service mAInput 1 mAInput 1 Setpoint 1 Setpoint 1 2 000 mA 2 000 mA edit value mAInput 1 Setp...

Страница 179: ...ed Deenergised Status Set Up Measurements Service Relay Override Relay Override Override Override Yes No No select select Menu Set Up Manage Analyser Manage Current Config Service Mode Calibrate Manag...

Страница 180: ...intended sample gas measurements may not be accurate or the instrument may be damaged The Laser 3 Plus may be attached to equipment that is hot Always wear the appropriate PPE to minimize the risk of...

Страница 181: ...e fitted with any consumables You only need to carry out simple maintenance procedures every 3 to 4 months Carry out the following regular checks to ensure continuous and safe operation of the analyze...

Страница 182: ...ical surfaces of the Laser 3 Plus Test the alignment purging flanges for leaks at regular intervals as required for the specific process and installation conditions Inspect the pressure of the flange...

Страница 183: ...2015 EN 60079 31 2014 IECEx IEC 60079 0 2011 Edition 6 IEC 60079 7 2015 Edition 5 IEC 60079 11 2011 Edition 6 IEC 60079 28 2015 Edition 2 IEC 60079 31 2013 Edition 2 Europe and IECEx ATEX II 3 2 G II...

Страница 184: ...er ATEX Baseefa16ATEX0124X Certification number IECEx IECEx BAS 16 0094X North America SGS Non incendive USA and Canada Class I Div 2 Groups A B C D T4 Class II Div 2 Groups F G T4 Class III Div 1 T4...

Страница 185: ...07931001B revision 6 Servomex Group Limited 2020 171 9 2 Label Information Figure 9 1 ATEX IECEx labels Figure 9 2 SGS North American labels Figure 9 3 Rating label...

Страница 186: ...ty power supply that also supplies residential environments 9 4 Electrical Safety The Laser 3 Plus has been assessed to IEC61010 1 for electrical safety including any additional requirements for US an...

Страница 187: ...rough East Sussex TN6 3FB England 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 purpos...

Страница 188: ...ay option board connector 150 7 way main connector 146 8 way transmitter receiver unit connector 147 Ethernet connector 149 flange assembly 13 functional earth ground 143 204 General warnings and caut...

Страница 189: ...ty 1 certification 2 189 certification warnings hazardous area installations 2 189 hazardous area variants 3 191 general warnings 1 laser safety 2 markings 4 label locations 4 Set time and date 39 Set...

Страница 190: ...se the units conversion factor applicable gas es ppm 10000 any ppm 0 0001 any ppm vpm 1 any ppm mg m3 1 4277 O2 0 750 NH3 1 2492 CO 1 9631 CO2 mg m3 14277 O2 7500 NH3 12492 CO 19631 CO2 ppm LEL 0 0008...

Страница 191: ...g function codes will be supported Function Description Usage 01 Read coils Read calibration status pump state etc 02 Read discrete inputs Read faults and alarm states 03 Read holding registers Read s...

Страница 192: ...s attempting to perform the requested action Addressing Addresses in Modbus ADU application data unit run from 1 N whereas addresses in the Modbus PDU protocol data unit run from 0 N This appendix giv...

Страница 193: ...s 10 19 Transmitter Firmware Yes 3061 3 0 9 Receiver Firmware Yes 10 19 Bootloader Firmware Yes 3981 49 0 NumberOfInternalTransducers Yes 1 Reserved Yes 2 NumberOfTransducers Yes 3 NumberOfMeasurement...

Страница 194: ...Yes Yes Yes 7 Decimal format Yes Yes Yes 8 Backlight Time Yes Yes Yes 9 clock Hrs Yes Yes Yes 10 clock Mins Yes Yes Yes 11 clock Seconds Yes Yes Yes 12 date Year Yes Yes Yes 13 date Month Yes Yes Yes...

Страница 195: ...ervice in Progress No Yes Yes 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...

Страница 196: ...Point n Delta Yes No No 12 CalRefGain Yes No No 14 ZeroSigCalRef Yes No No 16 Last Cal point n Time Yes No No 17 Last Cal point n Date Yes No No 19 Cal point passed failed Yes No No AVFinishing 0 Not...

Страница 197: ...calibration val denied Yes 7001 2 Tx 4n 1 0 Clipping Active Yes 1 Remote service in progress Yes 2 Transducer calibration mode Yes 3 Reserved Yes 4 Incorrect transducer type Yes TU Settings Supports F...

Страница 198: ...p High Level Yes Yes Yes 12 Clip High Override Enable Yes Yes Yes 13 Clip High Override Level Yes Yes Yes 15 Clip High Hysteresis Enable Yes Yes Yes 16 Clip High Hysteresis Level Yes Yes Yes TU Contro...

Страница 199: ...state Yes 5 Set Stability Time Yes 6 Set Flush Time Yes 7 Set Timeout Yes 50041 2 0 set validation pressure Yes Yes 2 set validation temperature Yes Yes 4 set validation gas concentration Yes Yes 6 se...

Страница 200: ...x Group Limited 2020 07931001B revision 6 10 span measurement scaled to cell length Yes 12 span measurement scaled to process path length Yes 14 Final zero threshold Yes Yes 16 Auto Validation Pass Co...

Страница 201: ...mission ou d utiliser la Laser 3 Plus lisez attentivement ce manuel Do not attempt to install commission maintain or use the Laser 3 Plus unless you are trained and competent Ne pas essayer d installe...

Страница 202: ...ull operating pressure to prevent exposure of personnel and the environment to the hazardous gases Les gaz inclus dans le processus de surveillance peut tre toxique asphyxiant ou inflammable Avant d u...

Страница 203: ...deux un indicateur laser ON Il est ON lorsque l metteur met un rayonnement laser partir de la fen tre optique CLASS 3R LASER PRODUCT LASER RADIATION Changes to settings or performance of procedures o...

Страница 204: ...tution de composants suivants peut alt rer l ad quation Division 2 Am rique du Nord uniquement K1 Relais de Analyseur de Conseil Principal Sealed Device K1 Relais de l Option Board Sealed Device K2 Re...

Страница 205: ...into account during installation by using an SELV power source with a prospective short circuit current not exceeding 40A L quipement est incapable de passer le test de r sistance di lectrique prescr...

Страница 206: ...l AC amplifier gain requires adjustment in this case See section 4 11 3 Une concentration excessive de gaz sur toute la longueur du trajet utilis pourra entrainer un signal brut trop lev L amplificate...

Страница 207: ...r est ferm et s curis sinon les mesures de protection CEM sera invalid e et que les r sultats enregistr s ne sont pas valables 6 Calibration 6 2 Removing the transmitter and receiver units from the pr...

Страница 208: ...are potentially harmful ensure adequate ventilation is provided Les gaz d talonnage sont potentiellement nocifs veuillez ce que la pi ce soit correctement ventil e Purging gases are potentially harmfu...

Страница 209: ...fore using the in line validation cell ensure all connections are leak free at operating pressure Avant d utiliser la cellule de validation en ligne assurez vous que toutes les connexions sont tanches...

Страница 210: ...aux fins d installation sont conserv es Ils doivent tre install s dans le cas o l instrument est transport vers un autre endroit 7 1 3 Analyzer placement Make sure that you mount the Laser 3 Plus on...

Страница 211: ...han 135 C 275 F make sure that you provide adequate thermal isolation to ensure that the maximum temperature reached by the process flange to which the Laser 3 Plus is fixed does not exceed 135 C 275...

Страница 212: ...e et les c bles non pris en charge 7 2 Installation overview If using toxic asphyxiant or flammable sample or calibration gases always purge the enclosures with non hazardous gas during operation to r...

Страница 213: ...s Le syst me d vacuation est appropri pour les gaz vous chantillonnage L installation ne cr e pas de risques de tr buchement EPI appropri est disponible pour l installation l entretien et le d classem...

Страница 214: ...la salet ject e et des niveaux lev s de rayonnement infrarouge qui peuvent tre pr sents Make sure that the exposed metal parts of the process are at the same potential as that of its surroundings If...

Страница 215: ...salet et d un haut niveau de radiation 7 3 3 Fitting the transmitter and receiver on the flange Inspect all joints when you have connected the Laser 3 Plus to the process Inspectez tous les joints lo...

Страница 216: ...devez vous assurer que les glandes appropri s sont install s aux entr es de c ble et que vous ne compromettent pas l tanch it de l enceinte The Laser 3 Plus does not incorporate an integral on off sw...

Страница 217: ...t dust or other contamination Before you refit the covers make sure that the sealing gaskets are clean dry and undamaged Replace and secure all covers as soon as possible after you complete your task...

Страница 218: ...Servomex ou votre agent Servomex local imm diatement 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 Assurez vous que l al...

Страница 219: ...viter l exposition des gaz toxiques d gag es par le processus 7 6 2 Enclosure environmental measurement Instrument purge Make sure that you vent purge gases carefully to avoid creating a hazard Assur...

Страница 220: ...le risque de br lures Turn off the power to the Laser 3 Plus before you attempt to remove the transmitter and receiver units from the process remove the receiver unit enclosure cover or any other main...

Страница 221: ...if there is a risk to personnel or the environment from exposure to the potentially hazardous gases contained in the process being monitored Ne pas d brancher les tuyaux des brides d alignement de pur...

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