Sentinel 3100 User Manual DV and CP Models
Contents
1. A Re de Ret Ee 26 Unit GCross Section 205 000106 ERE wies pa ace e NUR HS 27 Unit Bottom View 205 000106 4 4 27 Unit Front View 205 000106 28 Field Interface Board Schematic 230 010073 28 Thermal Protection Ue bue E NEM 31 Programming Screens a tb oed a rire Eee 34 Rangefinder Connector Panel Inside Enclosure 57 Options for Optech Level Monitors and Object Positioners 62 Spray Ring Flange ACGessOLy RE OD PIER ER UE Pepe ga 63 Sightglass and Retainer Flange Accessory 64 Sightglass and Gasket Installation Front View 65 Articulating Bracket Front View RR UH ee oe 66 Atticulating Bracket Side View Ro mU td See eae ee han ep OP READ 67 Electrical Interface Detail e tae VS kee ty eu ee ae eg 68 Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 List of Tables Page Termi2. aa khayna A Punico 15 6 1 te Rd ries is 15 6 2 51 01310 ae eens UI Wed athe die MEE E HE 16 6 33 J3 Terminal Block oo lesen 16 6 3 T External Triggers une need Ks 17 6 4 2 RS 232C Serial Connector Local 4 17 Serial Data Protocol te su aa ense rA cS TR RS ENRICO Suen kana 18 7 MOUNTING AND APPLICATION INFORMATION 4 19 7 1 Mounting Elements O NO AO eR oy T ERE PP 19 Fille Mounting BOSSES rss ene E eA v E SER Ead tpa e putes 19 7152 Mounting Holes suqasqata Ress E ete ete de SR 19 7 1 3 Orientation of the Interface Module 19 7 2 Mounting Configuratlons cr NE et b niebla day gs 20 7 2 1 Surface Mounting and 20 7 3 Flange Mounting 4 4 20 7 4 Other Mounting Configurations 4 21 7 5 Application Informatione
3. 4 a Figure 5 Unit Top View 205 000106 26 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Installation 1 4 NPT FOR AIR CURTAIN ONE PORT ON EITHER SIDE PRESSURE AND FLOW DEPEND ON APPLICATION s 46 120 VAC 50 60 Hz POWER SUPPLY OPTIONAL M8 X 1 25 1 4 NPT FOR PURGE 2 PLCS OR ALTERNATE MOUNT Figure 6 Unit Cross Section 205 0001 06 M8 X 1 25 4 PLCS Figure 7 Unit Bottom View 205 0001 06 290 000142 Rev A Nov 03 27 Installation Sentinel 3100 User Manual FIELD INTERFACE MODULE OPTECH RANGEFINDER 12 30 VDC POWERED 147 Figure 8 Unit Front View 205 0001 06 8 3 Field Interface AC LINE FUSE RS422 TX RS422 TX F3 DATA COMMON NABLE TERMINAL BLOCK FIELD INTERFACE 2 TRIGGER NC 120V LIVE 120V NEUTRAL CHASSIS TO BE USED ONLY WITH OPTIONAL AC DC SUPPLY RANGEFINDER INTERFACE RANGEFINDER FUSE NOTE1 FOR 24V OPERATION INSTALL FUSE F1 AND F2 FUSE F2 REQUIRED ONLY FOR HEATER OPTION DATA OUT FOR 120V AC OPERATION INSTALL FUSE F3 AND F1 NOTE THAT ONLY F3 OR F2 CAN BE INSTALLED AT A TIME DATA GND 12V OUT RS 232 PORT Figure 9 Field Interface Board Schematic 230 010073 28 290 000142 Rev A Nov 03 Sentinel 3100 U
4. SET UP MENU A RATE C POINTER B OFFSET Press E to exit 10 7 1 Rate UPDATE RATE AT 1 r s Press A to change Press E to exit UPDATE RATE A 1 20 readings sec B 1 5 10 20 60 sec r Press E to exit The measurement update rate is a function of the number of shots that are averaged and is there fore related to the unit s accuracy and repeatability Fastest least accurate rate 20 readings second Slowest most accurate rate 5 seconds per reading When you press A the following prompt appears INPUT A NUMBER FOR THE SETTING Enter the new value which will be shown at bottom left of the display Press ENTER to save it and then E to return to the screen Check that the correct value is now displayed Note that when the update rate is 19 readings per second the actual rate will be 1 shot per read ing This feature is implemented for diagnostic purposes when single shots per reading need to be observed Accuracy will be lower than for 20 readings per second For more information see Accuracy and Repeatability page 30 44 290 000142 Rev 03 Sentinel 3100 User Manual Programming 10 7 2 Offset OFFSET XXX mm Press E to exit DIRECTION TO SHIFT ZERO POINT FORWARD A FORWARD B BACKWARD Press E to exit Allows the user to set the zero reference for the range readings A FORWARD Set the zero reference point in front of the rangefinder B B
5. 290 000142 Rev A Nov 03 Sentinel 3100 User Manual System Description 2 2 2 3 2 4 To calculate the range the time of flight of the laser pulse to and from the target material is mea sured by a high precision counter and then converted into a range reading by a microprocessor By firing the laser rapidly and employing averaging to reduce random errors the rangefinder pro duces high resolution readings independent of range Lasers The Sentinel 3100 uses two laser sources Rangefinder laser Invisible infrared beam wavelength 905 nm used to measure distance Laser pointer Visible beam wavelength 635 nm aligned with the rangefinder beam The laser pointer produces a red spot that indicates the point to which the distance is being mea sured The pointer should be used only during installation to verify alignment Programming Embedded software enables you to customize many aspects of operation with an optional keypad providing a simple and convenient user interface The unit can also be programmed via PC or Palmtop computer A local non isolated RS 232C port can be used during installation to program and test the unit and to monitor range readings All programming software is built into the Sentinel 3100 no separate software installation is required Outputs The Sentinel 3100 outputs accurate range readings in RS 422 and analog data formats that are compatible with most industrial control and data logg
6. 4 SPECIFICATIONS All specifications are subject to change without notice For additional information and other options see appendix page 61 Measurement Range Absolute accuracy 2 Operating accuracy 3 Repeatability Resolution Rate Maximum reportable range Units of measurement Zero reference point CP Model 0 2 mto 150m Within 2 cm Within 5 mm Within 3 mm 1 mm DV Model 0 2 mto 150m Within 4 cm Within 25 mm Within 4 mm Programmable from 1 reading every 5 seconds to 20 readings per second 300 m at ranges greater than this the unit will output invalid reading Meters or feet Front surface of enclosure window frame programmable Outputs Analog 2 4 20 mA max load 1 000 ohms 1 000 VDC isolation Serial RS 422 Transmit only 1 000 VDC isolation Serial RS 232C Bi directional for test and setup only not isolated 1 Maximum ranges are typical and depend upon target reflectance vessel conditions e g dust back ground radiation and sightglass ratings 2 Ata measurement rate of 1 reading per second the specified accuracy is absolute over the full tempera ture range with a variety of materials and at any distance within 1 standard deviation 3 Ata measurement rate of 1 reading per second this accuracy depends upon limited variations in tem perature material and distance associated with the installation 4 Ata measurement rate of 1 reading per second under steady state cond
7. Figure 18 Articulating Bracket Side View 13 2 9 1 Articulating Bracket Installation Required Components Articulating bracket 3 4 10 x 1 1 2 hex bolt 3 4 10 nut 3 1 4 flat washer M8 x 18 mm hex bolts 8 flat washers 1 4 NPT SS close nipples 1 4 NPT SS caps N Ns N N N N Note Caps nipples usually shipped one assembly with nipples screwed to caps Procedure 1 Mount the articulating bracket to a stable surface using the 3 4 10 bolt washers and nut 2 Mount the unit to the artculating bracket using the two 1 4 NPT close caps nipples and the two 8 bolts and washers Tighten the caps nipples but leave the M8 bolts loose 290 000142 Rev A Nov 03 67 Appendix Product Information Sentinel 3100 User Manual 3 Using the caps nipples as a pivot point adjust the vertical position of the unit with a large screwdriver 4 Adjust the horizontal position of the unit using the 3 4 10 bolt 5 When the unit is correctly mounted tighten all bolts 13 2 10 LEXAN Window Standard on all enclosures except the 3200 and 3315 Not intended for explosion proof environments or high temperature applications 13 2 11 Reflector Clusters For Watchman object positioner applications Minimum quantity of 3 13 3 Electrical Interface Detail CUSTOMER TERMINAL BLOCK PINS SERIAL PORT 1 2
8. In external trigger mode trigger range readings as desired External Trigger page 17 Monitor range readings and change programmable settings as desired 290 000142 Rev A Nov 03 29 Operation Sentinel 3100 User Manual 9 2 9 3 9 3 1 9 3 2 9 3 3 Powering ON OFF The Sentinel 3100 has no power ON OFF switch It is turned ON OFF by the external power source Note that the laser pointer fires continuously if it is programmed ON Accuracy Accuracy and Repeatability The Sentinel 3100 averages a number of laser shots to produce each range reading The number of shots averaged affects the accuracy of a reading the higher the number of shots the higher the accuracy of the resulting reading Since the Sentinel 3100 fires a fixed number of shots per second the measurement update rate rate of readings determines the number of shots that can be averaged and thus the accuracy of the range reading Accuracy As Measurement Update Rate 1 Accuracy Restrictions At short range a very strong return from a highly reflective target such as reflective tape will satu rate the Sentinel 3100 s range detector and may produce a range reading with a degraded accu racy In this case a SATURATION or SAT DROPOUT error code will be output with the range Table 7 page 52 Low Temperature Start If the Sentinel 3100 is cold when it is first powered ON it may begin firing before all its compo nents have fully warmed
9. The programming screens are for matted for Optech s keypad and do not look the same when displayed on a PC The table below describes some of the most common screen operations Table 4 Common Programming Operations Operation Step Begin programming Press M Exit most screens Press E Backspace over an entry Hold down SHIFT and press BACKSP keypad Choose screen option Press letter then press E to save and exit Continuous update Press C Trigger mode Press S to get a reading Programming the Laser Pointer CAUTION Visible Laser Light Do Not Stare Into Beam Do not use binoculars or devices that collect light To program the laser pointer ON OFF press P at any time outside the programming screens The laser pointer is intended to help align the unit during installation and test only For any other application always program the laser pointer OFF The pointer defaults to OFF upon power up ON For alignment OFF At all other times For more information see Visible and Infrared Laser page 7 36 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Programming 10 3 Main Menu Screen When you press M to begin programming the following screen appears MAIN MENU A FORMAT MODES ANALOG D RATE Press E to exit To select a menu option Press A D To return to the range displayPress E The rangefinder laser does not fire during programming but the laser
10. 2 High Temperature Laser Pointer m 32 9 4 3 Rangefinder DC EHleater isla ye pasu od eee Rs 32 9 4 4 120 VAC Enclosure Heater 32 SPROGRAMMING kus Tte Iw tee e aree e eR y e Wai aes 33 10 1 Summary of Screens and Programmable Settings 5 1 33 10 1 1 Hand Held Keypad ssec cR GR ho mdr ed FREE 36 10 1 2 Using the Programming Screens 36 10 2 Programming the Laser 2 36 10 3 Menu Sereen ict p RYE EE PR DUX OUR D RUNS MP M 37 10 4 Format Screens PERS puteus Hee turrim o e a e ES 37 10 41 Measurement Units for Range Readings 37 10 4 2 Power Menu REPRE DE Oe PA Roe ox e dee prae ut 38 10 43 Range Resol tlon ooo e ee SE Hit S E rrt A 38 10 44 Data Output aL tb ag er eedem ebur bei mibi aes p SE 39 10 5 ANALOG Screens 4 20 mA Analog Range 39 10 6 Modes Screens vu see neg t HD DROP SR ru Cep NEE NR E e RED es 40 10 6 1 Output Mode ocio c Re TU PATCR NE eA RT Rak ogi 4
11. 41 Programming Sentinel 3100 User Manual 10 6 3 Filter Distance and Timeout FILTER FILTER DISTANCE B FILTER TIMEOUT Press E to exit FILTER DISTANCE IS 0 cm Press A to change Press E to exit FILTER TIMEOUT IS Press A to change Press E to exit These screens provide a sliding window filter for both the analog and serial output The Sentinel 3100 assumes that the longest readings are valid and therefore uses a one way window to ignore short readings outside the window This screens out interference and obstacles passing between the unit and the target material it is monitoring A valid reading within the window resets the reference for the next measurement Filter Distance One Way The filter distance determines how much shorter a valid reading can be from the previous read ing Any shorter reading outside the window is ignored while all readings longer than the previ ous one are considered valid The unit re transmits the last valid measurement until another valid measurement occurs or the programmable filter time out expires The maximum filter distance is 32 500 cm 12 795 inches Filter Timeout The filter time out measured in number of range readings determines the number of readings for which the filter distance applies After the timeout expires the next measurement is valid whether it is within this distance or not The maximum time out is 127 The FILTER DISTANCE screen displays the cur
12. Conduit Entry Set 2555 e etin Rh era etur RENE RES 63 13 2 5 Curtain o Lee Pate Due ee od e oper 63 13 2 6 RING A Xs re Jorder oe e E e p e E ERE a RR RR 63 13 2 7 Sightglass and Gask ts u odo obere Hes 63 13 218 SIghtglasses M LER D Y br RUE SEN 64 Sightglass Installation T LEN IUS Meee ir 65 1342 9 Articulating Brackets soa Sas eater BRE pa 13 2 9 1 Articulating Bracket Installation 1 13 2 10 LEXAN Window 13 2 11 Reflector Clusters 13 3 Electrical Interface Detail Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 List of Figures Page Sentinel 3100 Level Monitor as ace aoe ga ee RIS NE E 3 Main Features of the Sentinel 3100 4 IEG Eyesafety Labels eed a ee Eee eee Borde eee dacs 8 installation Configurations 2 2 Ta Uds er sc Rae te RO ese ras Se de CELER ese 23 Unit Top View 205 000106 5222520
13. NPT CONDUIT HUBS 2 Figure 19 Electrical Interface Detail 68 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Appendix Product Information Table 9 Terminal Block Pin Descriptions Terminal Connection 1 24 VDC 2 24 VDC 3 Spare 4 Analog Current Loop 4 20 mA 5 Analog Current Loop 4 20 mA 6 RS 422 Transmit 7 RS 422 Transmit 8 Data Common 9 LASER ENABLE 10 EXTERNAL TRIGGER 11 Spare 12 120 VAC Line Option 13 120 VAC Neutral Option 14 AC Ground Chassis Ground 290 000142 Rev A Nov 03 69 Appendix Product Information Sentinel 3100 User Manual 70 290 000142 Rev A Nov 03
14. ack WC GROUP ERAT 51 124 Error Codes cire eet ume RR e Pa are RR RE EY 52 12 2 Diagnostic LEDS audes oe RIS Poe ee SEI E REM eee 52 12 3 No Operation ee 53 12 4 u ede rg Re e re LR awas ubus 54 12 5 Erratic Fluctuating Short 4 55 12 6 Test x m eR Se AN te d adm NORRIS wae 56 12 7 Servicing the Enclosure ie us ma IHRER CHINE ER NR e eh 57 12 7 1 Removing the Rangefinder from the Enclosure 57 12 7 2 Installing the Rangefinder in the Enclosure 1 58 13 APPENDIX PRODUCT 4 61 13 1 Hand Held Programmer Communications Configuration 61 13 2 ODHOnS oy ht oie DIE D UP ON ES God bees ud bets 62 13 21 Hand Held Programmer 1 4 62 13 2 2 1205 PowerSupplya n a Pages ORES ET TER 62 13 2 3 20 MAG Heaters s oos c eh E u m Cag doa akay 62 13 2 4 RETS
15. death or serious injury Potential for minor or moderate injury unsafe practices Damage to equipment or loss of data policy on safety of personnel or protection of property Operation or maintenance suggestion other useful infor mation This manual uses the following type conventions POINTER ON MAIN MENU Hardware labels For text displayed on or entered via keypad or PC 290 000142 Rev A Nov 03 Overview Sentinel 3100 User Manual 2 290 000142 Rev A Nov 03 Sentinel 3100 User Manual System Description 2 SYSTEM DESCRIPTION Figure 1 Sentinel 3100 Level Monitor The Sentinel 3100 is a laser based non contact measurement system designed for industrial use as a level monitor It is a member of Optech s Series 3000 family of industrial instruments DV Model Optimized for performance in environments with excessive dust and vapor CP Model Optimized for clear path applications 290 000142 Rev A Nov 03 3 System Description Sentinel 3100 User Manual 2 1 SIDE VIEW FRONT VIEW Interface Module Window Assembly Cable Conduits Enclosure L Rangefinder Mounting Bosses Lenses Laser Pointer Figure 2 Main Features of the Sentinel 3100 Figure 2 outlines the main features of the Sentinel 3100 enclosure with the rangefinder installed The unit consists of a rangefinder housed in a sealed enclosure with a window installed over t
16. is protected by a fourth fuse located on the back of the rangefinder connector panel Since F1 is a fast blow fuse it will blow first The rangefinder fuse can be replaced if necessary by opening the enclosure and the rangefinder see Servicing the Enclosure page 57 11 4 Storage Store the Sentinel 3100 in a clean dry environment at temperatures between 20 C and 70 C 11 5 Returning the Sentinel 3100 to the Factory Before returning the unit note the serial number on the label and contact Optech or your Optech representative If the problem cannot be resolved by telephone fax or e mail Optech will issue a Return Authorization Number Do not ship a unit to Optech without a Return Authorization Number 290 000142 Rev A Nov 03 49 Maintenance Sentinel 3100 User Manual If the repair is covered by warranty Optech will notify you and repair the unit promptly If the repair is deemed chargeable Optech will quote the estimated repair costs and proceed promptly upon your approval 50 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Troubleshooting 12 TROUBLESHOOTING The following table outlines the troubleshooting information in this chapter Table 6 Troubleshooting Summary Problem Action No operation 1 Check diagnostic LEDs Section 12 3 2 Check unit temperature Wait for unit to warm up or cool down 1 Check error codes 2 Check unit temperature 3 Check operating environment 4 Ch
17. must also be rotated 180 to maintain its mating connection on the enclosure 290 000142 Rev A Nov 03 19 Mounting and Application Information Sentinel 3100 User Manual 7 2 7 2 1 7 3 Mounting Configurations Surface Mounting and Alignment Ensure that the support is sufficiently rigid to prevent misalignment Before drilling through holes into the support consider any future alignment problems or equipment that may obstruct the rangefinder beam The degree of alignment depends upon the size of the mounting holes To facilitate align ment Optech recommends oversized holes with suitable clearance To ensure the correct vertical alignment use shims or washers For information on Optech s optional articulating bracket and surface mount installation see Appendix Product Information page 61 Flange Mounting Appendix CAUTION Sentinel 3100 is not rated for exposure to higher than ambient pressure Use a sightglass for high pressure or high temperature environments For pressure or vacuum vessels a sightglass is required If the installation site is very dusty an air curtain may be required If condensation forms on the sightglass or material settles on it a spray ring may be required When installing the Sentinel 3100 in its flange mount bracket consider the location of the mounting brackets in relation to the stud pattern on the mounting base to take advantage of any inclination ang
18. pointer continues to fire if it is programmed ON 10 4 Format Screens FORMAT A UNITS C RES B POWER UP D DATA OUT Press E to exit 10 4 1 Measurement Units for Range Readings MEASUREMENT UNITS A METERS B FEET Press E to exit Select whether you wish the unit to measure range in meters or feet 290 000142 Rev A Nov 03 37 Programming Sentinel 3100 User Manual 10 4 2 Power Menu UPON POWER UP SHOW A MAIN MENU B PROCESS VARIABLE Press E to exit Select whether you wish to see the main menu or the process variable when the unit is powered up 10 4 3 Range Resolution RESOLUTION A LOW B HIGH Press E to exit Resolution Example A LOW 0 00 m 1 cm or 0 1 ft 7 54 m 24 1 ft B HIGH 0 000 m 1 mm or 0 01 ft 7 545 m 24 17 ft 38 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Programming 10 4 4 Data Output DATA OUT A RANGE ONLY B RANGE DROPOUT INT Press E to exit A RANGE ONLY Only range readings are displayed in the selected measurement units RANGE DROPOUT INT In addition to range readings two other useful diagnostic values are displayed The number of dropouts laser shots that do not return to the unit per range reading is a function of the selected update rate at a high update rate fewer shots are averaged per reading The intensity of the reflection is shown as a value from 0 6375 10 5 ANALOG Screens 4 20 mA A
19. up In this case initial range readings may fluctuate Range accuracy will gradually improve as the unit s internal temperature stabilizes which takes about 15 minutes 30 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Operation 9 4 Thermal Protection The Sentinel 3100 s thermal protection is summarized in Figure 10 below 70 63 Rangefinder shuts off 60 Rangefinder DC 50 ona Laser Pointer shuts off at 40 C Temperature 40 30 AC Heater shuts off at 20 25 20 DC Heater 10 5 445 Em n AC Heater restarts if temp falls to 5 C DC Heater in Rangefinder warms up unit in 3 45 minutes AC Heater Enclosure warms up unit in 3 30 minutes 40 Figure 10 Thermal Protection 9 4 1 High Temperature Rangefinder Protection To protect the Sentinel 3100 from temperature extremes outside its specified operating range the unit s power supply is automatically shut off without warning if the temperature of the rangefinder inside the enclosure Rises above 67 3 C The power supply is re enabled automatically and without warning when the temperature returns to an operable level The unit then resumes operation with the same programmed settings as before shutdown and begins reporting range readings again The laser pointer defaults to OFF 290 000142 Rev A Nov 03 31 Operation Sentinel 3100 User Manual 9 4 2 High Temperature Laser Pointer Protection To p
20. up smoothly If the range readings under test are Consistent The problem may be related to the operating environment Go to Step 8 Inconsistent Consult Optech Check all electrical interconnections and related equipment and verify that there are no environmental obstacles such as dense dust and dirty windows Reprogram the unit with its original analog limits 56 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Troubleshooting 12 7 Servicing the Enclosure of C POINTER ON Ji 18 POWER Optech Figure 12 Rangefinder Connector Panel Inside Enclosure NOTICE Dust inside the rangefinder may cause incorrect readings When the rangefinder is outside its enclosure always keep the rangefinder in a clean and dust free environment 12 7 1 Removing the Rangefinder from the Enclosure 1 Power the unit OFF and disconnect all external cabling 2 Move the Sentinel 3100 to a clean environment such as a laboratory or office Protect the inside of the unit from dust and dirt during this step 3 Remove the top two hex head screws from the front window assembly Do not remove the assembly itself which is still attached by the bottom two screws 4 Loosen the four captive screws on the enclosure lid To avoid stripping the screws do not loosen them any more than necessary 5 Carefully lift the lid with interface module off the enclosure 6 Plac
21. 0142 Rev A Nov 03 Sentinel 3100 User Manual Installation 8 INSTALLATION Rangefinder Laser Beam Figure 4 Installation Configurations 8 1 Installation Procedure CAUTION Visible and Invisible Laser Light Do Not Stare into Beam Before closing the interface module program the laser pointer to OFF Sentinel 3100 may fire as soon as power is supplied NOTICE Do not point the Sentinel 3100 at the sun Strong sunlight reflections can cause erratic range readings 290 000142 Rev A Nov 03 23 Installation Sentinel 3100 User Manual This procedure assumes that you are already familiar with the cabling and mounting information in Chapters 6 and 7 For installation drawings see page 26 For information on installing product options see Appendix Product Information page 61 Install 1 Locate a suitable installation site Mounting and Application Information page 19 and Figure 4 2 Install the unit but do not secure it in place until final alignment is complete For Use Standard installation M8 x 1 25 cap screws on mounting bosses Extra rigidity security 1 4 NPT mounting on mounting bosses Surface mounting M8 x 1 25 screws into enclosure base 3 If you rotate the interface module to facilitate the cable routing or entry location remember to rotate the D37 connector on its base as well to maintain the mating connection with the enclosure Optech recommends that wherever pos
22. 1 10 6 2 First Last Pulse Fe er oe tem do t ERO Rr get eA ua bed 41 10 6 3 Filter Distance and Timeout 1 42 10 6 4 Trigger z sities Ae ele ELDER QVI CPI Ute DE PS en E Pag eed 43 hu oe hoo aot sieut vit si f et 44 abe 44 TOD Offset rre e ect Dee De e E tatc dt ere ir pet 45 POIDS res o eee t Ee UR NN usu er 45 TT MAINTENANCE acre NEN RIA EV E 47 11 1 Enclosure Window Cleaning and Maintenance 4 47 11 1 1 Compatible Cleaning 6 47 115452 Graffiti Removal 52 De eere Ire babs 48 11 2 Enclosure O Rings and 5 1 48 1433 2 15685 ENSE beide SS 49 SIOLage os tar Ia abu eite druide A fot eR I mI Sed ceil Seer ete Ae 49 11 5 Returning the Sentinel 3100 to the 2 49 12 TROUBLESHOOTING ie uuu n UR CR NUR
23. ACKWARD Set the zero reference point behind the rangefinder 10 7 3 Pointer POINTER A ON B OFF Press E to exit Turn the visible laser pointer on or off 290 000142 Rev A Nov 03 45 Programming Sentinel 3100 User Manual 46 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Maintenance 11 MAINTENANCE 11 1 Enclosure Window Cleaning and Maintenance NOTICE Window coating is delicate Do not use abrasive cleaners squeegees or other cleaning implements that may mar or gouge the window coating 1 Wash the window with a mild solution of soap and lukewarm water 2 Using a soft cloth or sponge gently wash the glass to loosen dirt and grime 3 Rinse well with clean water 4 To prevent spotting thoroughly dry with a chamois or cellulose sponge 11 1 1 Compatible Cleaning Agents Aqueous Solutions of Soaps or Detergents Windex Joy Fantastik Top Job Mr Clean Formula 409 5 o 9 9 Organic Solvents Butyl Cellosolve Kerosene Naphtha VM amp P grade Hexcel F O 554 Neleco Placer Turco 5042 5 9 9 9 9 290 000142 Rev A Nov 03 47 Maintenance Sentinel 3100 User Manual Alcohols Methanol 9 Isopropyl alcohol Note Remove all residual organic solvents with a secondary rinse 11 1 2 Graffiti Removal Butyl Cellosolve for removal of paints marking pen lipstick etc Masking tape adhesive tape and lint removal tools work well for lif
24. AN Window ARE SKRU SKR KS KS PD E lt lt lt lt lt lt lt lt EM EM MES 4 4 4 4 B E lt lt lt lt S SEN SEN SES Figure 13 Options for Optech Level Monitors and Object Positioners Hand Held Programmer See manufacturer s documentation for more information 120 VAC Power Supply See manufacturer s documentation for more information 120 VAC Heater See manufacturer s documentation for more information 62 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Appendix Product Information 13 2 4 PG 13 5 Conduit Entry Set Replaces NPT conduit entries on field interface module Designed for non armored control cables 13 2 5 Air Curtain Use dry oil free instrument air or nitrogen 13 2 6 Spray Ring For flange mount applications only See Figure 13 2 SERRATED FACE 8 625 dentes E 0 875 2 77 0 4375 Figure 14 Spray Ring Flange Accessory 13 2 7 Sightglass and Gaskets For flange mount applications only must be ordered together Available in 150 300 and 600 class and in 4 and 6 sizes Flange gasket Seals your flange to Optech sightglass Bezel gasket Seals Optech unit to Optech sightglass 290 000142 Rev A Nov 03 63 Appendix Product Information Sentinel 3100 User Manual 13 2 8 Sightglasses Metaglass sightglass for pre
25. Diagnostic LEDs Colour Normal Label Function Description Operation Yellow Flashing LED 1 DATA OUT Data is being transmitted Since data is sent after each laser burst this also indi cates the laser firing rate Red Off LED 2 POINTER ON The laser pointer is programmed ON default is OFF Observe all safety pre cautions Green On LED 3 POWER ON Power is being supplied to the rangefinder 52 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Troubleshooting 12 3 No Operation IMPORTANT For terminal block cabling refer to wiring guide inside lid 1 Check all external cabling connections and associated equipment 2 If the POWER ON LED is off check that All heating and cooling equipment is functioning The unit s thermal cutoff switches are self resetting and the unit is disabled and re enabled without warning Thermal Protec tion page 31 Correct voltage is present at the correct terminals Fuses the interface board are installed and functional Table 5 page 49 The fuses are protected by reusable fuse covers 3 If the unit is not communicating check the DATA OUT LED Not flashing Program the unit for continuous mode Range Resolution page 38 or send an ASCII C Check that the D9 connector is securely attached Flashing Check that the polarity of the field wiring is correct 4 For 4 20 mA analog data check that the analog current at the terminal block is c
26. G ANALOG MENU A4mA NO RANGE 20 SATURATE INPUT LEVEL 4 20 mA at INPUT LEVEL 20 mA NO RANGE ALARM A4mA B20mA C IGNORE SATURATE ALARM A4mA 20 mA 1 Figure 11 Programming Screens C MODES D SET UP MODES MODES AOUTPUT CFILTER MODE B PULSE D TRIGGER OUTPUT MODE ADIRECT B EXTRA AVERAGING PULSE AFIRST PULSE B LAST PULSE C FILTERED LAST PULSE FILTER A FILTER DISTANCE B FILTER TIMEOUT FILT DIST at XXX SELECTABLE FILT DIST FILT TIMEOUT at XXX SELECTABLE FILT TIMEOUT TRIGGER A CONTINUOUS B EXTERNAL SET UP SET UP MENU ARATE C POINTER B OFFSET UPDATE AT 1 r s UPDATE RATE A 1 20 readings sec B 1 5 10 30 60 sec r SELECT UPDATE RATE OFFSET xxxx DIRECTION TO SHIFT ZERO POINT A FORWARD B BACKWARD POINTER AON BOFF 34 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Programming Table 3 Programmable Settings Setting Options Factory Default Measurement Units Meters feet Meters Resolution Low 0 00 m 1 cm or 0 1 ft High High 0 000 m 1 mm or 0 01 ft Trigger Continuous Unit internally triggered to output range Continuous readings at selected update rate External Unit outputs a range reading only when exter nally triggered Data Output Range Only Outputs range readings only Range Only Range Dropout Intensity Outputs range read
27. Optech Sentinel 3100 User Manual DV and CP Models Optech Incorporated Industrial Products Division 100 Wildcat Road Toronto Ontario Canada M3J 229 Telephone 416 661 5904 Facsimile 416 661 4168 Website www optech on ca Document No 290 000142 Rev A November 2003 Warranty This product is warranted to be free from defects in materials parts and workmanship for a period of one year from the date of delivery It will conform to the current product specifications upon delivery Misuse improper handling unau thorized repairs or modifications or use of the system outside of specifications will void this warranty Failure to maintain the enclosure rating for this product will void this warranty Shipping Damage This unit is inspected before shipment As soon as you receive the unit from the carrier and before operation inspect the unit for damage that may have occurred during shipment If any damage is found file a claim with the carrier and notify your Optech representative immediately Return of Unit Before returning this unit contact your Optech representative to obtain a Return Authorization Number Optech will not accept units without an RA number Copyright Copyright 2003 by Optech Incorporated All rights reserved This item and the information contained herein are the property of Optech Incorporated No part of this document may be reproduced transmitted transcribed stored in a retrieval system or trans
28. Output Mode OUTPUT MODE A DIRECT B EXTRA AVERAGING Press E to exit DIRECT Outputs the range reading directly B EXTRA AVERAGING Outputs a rolling average of the last five readings 10 6 2 First Last Pulse PULSE A FIRST PULSE B LAST PULSE C FILTERED LAST PULSE Press E to exit A FIRST PULSE This mode is best if there is a clear and unobstructed view of the target material with no fog steam rain snow dust or other possible targets in the way Range readings are made to the first object encountered B LAST PULSE This mode improves ranging through fog steam rain snow or certain quantities of dust It can provide the correct range even if stationary objects partly block the unit s line of sight as long as the objects are separated by more than 3 m 10 feet and part of the laser beam travels beyond them Range readings are made to the last object encountered fil tering out earlier returns C FILTERED LAST PULSE This mode is similar to LAST PULSE but the rangefinder is now optimized to range through very thick fog steam rain snow or dust This mode provides usable and stable ranges at the cost of possible lower accuracy 40 5 to 8 cm The PARTIAL DROPOUT symbol may appear ahead of the serial range output Note that the unit relies on line of sight laser light must be able to reach the target material and return to the unit for a measurement to be made 290 000142 Rev A Nov 03
29. ange readings may then fluctuate for first 15 minutes Accuracy gradually improves as unit warms up Remote Programming via PC Use upper case letters only press CAPS LOCK Enclosure O Rings page 48 To maintain water proof seal save and re install all O rings after servicing Contents Page T VERVIEW o apo slate ce Bett ah oio ro am cu qu a e ERU e 1 Used In This Manual ex m oh lh ode S may DU 1 1 2 TYPE CONVENTIONS uuu u decane brine 1 2 SYSTEM DESCRIPTION e L Acacia k t YS pu M SW u dete N 3 2 T Principle of Operations t ia Rede COR CR utansa 4 2 2 L8S6ts Loin sm Se EEST evi eee dated tuos epp 5 2 3 3Progratmimihg 9257 U h C Sus ba ke gee Sten as 5 2 4 DAU Rc PM 5 3 SARET Y roo ata 7 24 Visibl and Infrared Lasers Toner Fass contend Gis ales deter re Ce Edu 7 3 2 AC DC Enclosure Power Supply 120 VAC Option 8 SPECIFICATIONS U su eee oe eee ee 9 5 UNPACKING 44 y LEVE ead ook PI Esse M Ls 13
30. e the lid upside down above the enclosure so that the internal ribbon cable is exposed 7 On the rangefinder base plate inside the enclosure remove the four screws one in each corner that attach the base plate to the enclosure 290 000142 Rev A Nov 03 57 Troubleshooting Sentinel 3100 User Manual One screw secures the transmitter baffle a curved black anodized aluminum component between the rangefinder lenses and the enclosure window to the base plate Remove this baffle carefully and note its mounting orientation If your unit has a heater ensure that the heater thermostat in one corner of the plate is not damaged while removing the screws 8 If your unit has an AC power supply two of the base plate screws attach the power supply to the enclosure Carefully remove the power supply from the enclosure 9 Carefully lift the base plate out of the enclosure and turn it over 10 Remove the four 4 40 x 3 8 screws that attach the rangefinder to the base plate 11 If necessary disconnect the ribbon cable from the rangefinder panel 12 If you are not going to replace the rangefinder in the enclosure immediately a Check that there is no dirt or dust on the lid and O rings b Re install the base plate enclosure lid and all O rings c Check that all cables are inside the enclosure d Re install the two top screws on the window assembly e Putthe enclosure in storage 12 7 2 Installing the Rangefinder in the Enclosu
31. eck programming values Intermittent operation Section 12 4 Erratic fluctuating short readings 1 Try filtered last pulse mode Section 12 5 2 Wait for unit to warm up 3 Check rangefinder lens for dust Before contacting Optech follow the troubleshooting procedures in the table above and then conduct a local test Section 12 6 290 000142 Rev A Nov 03 51 Troubleshooting Sentinel 3100 User Manual 12 1 Code Error Codes SATURATION Table 7 below lists the error codes that can be output Table 7 Error Codes Description Return signal too strong target material highly reflective Measurement may not meet typical accuracy specifications resulting in readings longer DV model or shorter CP model than actual distance Serial Output A Analog Output N A PARTIAL DROPOUT Fewer than 50 of laser shots returned to unit Measurement valid but may not meet typical accuracy specifications N A 5 Both saturation and partial dropout Measure ment may not meet typical accuracy specifica tions resulting in readings longer DV model or shorter CP model than actual distance N A OUT OF RANGE selected No laser shots returned to unit No range pro vided NO RANGE User 12 2 Diagnostic LEDs The interface board and the rangefinder panel hold the three LEDs described in Table 8 below Table 8
32. ettings to a file for quick recall 18 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Mounting and Application Information 7 7 1 7 1 1 7 1 2 7 1 3 MOUNTING AND APPLICATION INFORMATION IMPORTANT For installation drawings and information see Chapter 8 Mounting Elements The Sentinel 3100 enclosure provides a variety of mounting options to suit specific applications and installations The enclosure and the interface module are water proof and dust proof as long as the module is properly installed on the enclosure and all O rings and seals are properly installed and in good condition Mounting Bosses The aluminum mounting bosses on the sides of the enclosure have two external threaded mounting holes M8 For standard installation using an M8 x 1 25 socket head cap screw 1 4 NPT For auxiliary mounting for example with heavy vibration as a purging port or as a cooling port Mounting Holes For surface mounting or for extra rigidity four threaded M8 x 1 25 holes are provided on the base of the enclosure in a 110 x 240 mm pattern Orientation of the Interface Module The interface module is usually oriented so that the cable conduits are at the bottom of the module shielded from weather and dust when flange mounted To accommodate your installa tion the module can be rotated 180 so that cabling emerges from the top Note that in this case the D37 connector on the base of the module
33. ge accuracy will gradually improve over this period 3 Power the unit OFF 4 Open the enclosure and remove the rangefinder Servicing the Enclosure page 57 5 Look into the transmitter lens the right hand lens to check for dust 6 If dust is visible contact Optech for cleaning instructions Do not open the rangefinder without direct authorization from Optech 290 000142 Rev A Nov 03 55 Troubleshooting Sentinel 3100 User Manual 12 6 Local Test If you have followed the steps in the previous section and the problem persists test the unit to a known portable target such as a cardboard sign Use a digital multimeter and Optech s keypad if provided to test the analog and RS 232C serial output Reposition the Sentinel 3100 and range it to the portable target Note the programmed analog limits and then reprogram them temporarily to conform to the target range page 39 If desired use the laser pointer to confirm that the laser beam is hitting the target For laser pointer safety precautions see Visible and Infrared Laser page 7 CAUTION Visible Laser Light Do Not Stare Into Beam Do not point or install the unit at eye level where people may be working Check the range output locally on the analog and serial lines RS 232C serial Use Optech keypad or similar device Analog Use digital multimeter Move the target while monitoring the unit s output Check that the serial and analog outputs ramp
34. he rangefinder lenses and a small interface module mounted on the enclosure All external power and data connections are made to a printed circuit board inside this module In addition to a ter minal block and a local RS 232C port the board contains diagnostic light emitting diodes LEDs and fuses Housed in a rugged die cast aluminum enclosure the Sentinel 3100 is configured for easy flange mounting and versatile surface mounting in any orientation Mounting bosses and internal mounting holes on the base of the enclosure are provided for flexible installation The enclosure and the interface module are fully sealed to ensure dust and water proof operation The Sentinel 3100 operates from a nominal input voltage of 24 VDC 120 VAC option available Power input analog data input output and RS 422 output are isolated up to 1000 VDC The local RS 232C port is not isolated Options are available to customize the Sentinel 3100 for your particular operating and mounting requirements see Appendix page 61 Principle of Operation The rangefinder uses a laser diode to make non contact range measurements to almost any target or material operating in both dark and well lit environments without using retro reflectors or mir rors The narrow laser beam produces no false echoes and resolves small targets at long range It can be reflected from a diffuse surface at virtually any angle and still return to the unit to produce a range measurement
35. he module and the enclosure Ribbon cables run from this point to the rangefinder panel inside the enclosure All components are designed for quick and easy removal The interface board and the module lid are each attached to the interface module by four captive screws The module itself is mounted to the enclosure by four screws accessed from inside the module A wiring guide is provided inside the interface module see also Terminal Block page 16 and J2 RS 232C Serial Connector Local Programming page 17 All other data and power connec tions are internal Note that the RS 232C port is designed for commissioning test installation and alignment only It is not isolated and is not intended to be permanently connected to a control system NOTICE Save and re install all O rings before completing commissioning of unit For location of O rings see page 48 6 1 Cable Conduits The interface module has two 1 2 NPT cable conduits both O ring sealed Optech can also provide a PG13 conduit entry set as an option page 61 290 000142 Rev A Nov 03 15 Cabling Sentinel 3100 User Manual 6 2 Signal and Data Isolation The power RS 422 and analog current loop lines in the rangefinder and on the terminal block are isolated to 1 000 VDC The RS 232C port is intended for testing and local communication only and is not isolated Before making connections to t
36. his port determine whether a ground fault exists 6 3 J3 Terminal Block The terminal block is the primary interface between plant power and communications and the Sentinel 3100 Optech provides a mating plug that can be attached to outside cabling Table 1 Terminal Block Assignments Terminal Connection 1 24 VDC 2 24 VDC 3 Spare 4 Analog Current Loop 4 20 mA 5 Analog Current Loop 4 20 mA 6 RS 422 Transmit 7 RS 422 Transmit 8 Data Common 9 LASER ENABLE 10 EXTERNAL TRIGGER 11 Spare 12 120 VAC Line Option 13 120 VAC Neutral Option 14 AC Ground Chassis Ground 16 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Cabling 6 3 1 External Trigger There are two external trigger inputs on the terminal block J3 External Trigger Laser Enable Terminal 10 This is a TTL edge triggered input the unit executes one reading cycle on the negative high to low transition trailing edge of the trigger pulse Terminal 9 This is a TTL active low input the unit fires at the programmed repetition rate as long as the input is held low Since both inputs have internal pull up resistors the unit can be triggered by shorting terminal 9 or terminal 10 to the Data Common line terminal 8 6 4 J2 RS 232C Serial Connector Local Programming This non isolated connector is intended for local test installation and alignment with Optech s keypad or another serial communication device It is not intended to be permanen
37. ing systems A bi directional non isolated RS 232C port is provided for local programming 290 000142 Rev A Nov 03 5 System Description Sentinel 3100 User Manual 6 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Safety 3 SAFETY 3 1 Visible and Infrared Laser CAUTION Visible Laser Light Do Not Stare Into Beam Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous exposure to laser light Use of optical instruments with pointer may increase eye hazard Program laser pointer to OFF after installation and alignment The Sentinel 3100 has two laser sources contained in the unit Invisible infrared IR Used for range measurement Visible beam Used for alignment The infrared IR laser emits energy that is not visible to the human eye It is designed as a Class 1M laser source as specified by IEC 60825 1 1993 A1 1997 A2 2001 In normal operation the IR laser is not considered hazardous In normal installation and use a person may view the laser light with the naked eye or with eyeglasses assisting vision The visible laser pointer is classified as a Class 2 laser product per IEC 60825 1 1993 A1 1997 A2 2001 Class 2 denotes low power visible lasers or laser systems that because of normal human aversion responses do not usually present a hazard In normal installation and use a person may view the laser light with the naked eye or wi
38. ings as well as the number of laser shots that do not return to unit and the relative intensity of return signals from 0 to 6375 Analog Settings Zero span inverse span 20 mA to 50 000 cm 4 mA O to 50 000 cm 20 mA 3000 cm 4 mA O Output Mode Direct Target material moving at 30 cm 1 ft per Extra Averaging minute Extra Averaging Target material moving at 30 cm 1 ft per minute Filter Filter Distance Range window for valid readings 0 0 325 m Filter Timeout Number of readings for which window 0 distance is valid 0 127 First Last Pulse Mode First Pulse Use with a clear and unobstructed view of Last Pulse the target material Last Pulse Use with interference such as fog rain dust snow or objects between the unit and the target material Filtered Last Use with heavy interference when lower accuracy is acceptable Update Rate From 1 range reading every 5 seconds to 20 per second 1 reading second 290 000142 Rev A Nov 03 35 Programming Sentinel 3100 User Manual 10 1 1 10 1 2 10 2 Hand Held Keypad To facilitate test and setup in an operational environment Optech offers an optional hand held keypad The keypad uses RS 232C communication and plugs into J2 on the interface board It can be connected or disconnected at any time while the unit is powered ON Using the Programming Screens When programming on PC first ensure that CAPS LOCK is on
39. itions within 1 standard devia tion 5 Analog accuracy is equal to absolute or operating accuracy 0 1 of range 290 000142 Rev A Nov 03 Specifications Sentinel 3100 User Manual Lasers Wavelengths 905 nm infrared rangefinder beam Infrared beam divergence 5 mrad 0 28 635 nm visible laser pointer beam Eyesafety U S FDA 21 CFR 1040 IEC 60825 IR rangefinder laser Class 1 Class 1M Visible laser pointer Class 2 Class 2 Power 1 000 VDC Isolation Input voltage 24 VDC nominal 10 5 30 VDC or 120 VAC option Power consumption 36 W max 24 VDC Environmental Operating temperature 09 to 50 C With AC heater 40 C to 45 C Storage temperature 40 C to 70 C 3100 Enclosure CE Marking 2 Class A Ratings CSA 4X 6 IP 67 Class Div 2 Group ABCD Class Group Size 2721 x 202 W 148 H mm including mounting bosses Weight 7 kg with rangefinder 1 For 24 VDC operation 2 24 VDC operation only 10 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Specifications Options AC DC Enclosure Power Supply Input voltage 120 VAC 20 VA 50 60 Hz Operating temperature 10 C to 50 C AC Enclosure Heater Input voltage 120 V 100 W max Operating temperature 40 C to 45 C Hand Held Keypad Display 4 lines x 20 characters liquid crystal display Case Molded high impact ABS Operating temperature 09 to 50 C Storage temperature 20 C to 70 C Air Curtain Use dry oil free i
40. lated into any language or computer language in any form or by any means otherwise without the express written permission of Optech Incorporated 100 Wildcat Road Toronto Ontario Canada 3 279 Revision History Revision Date Description Rev A Nov 03 Update Product Description Sheet Product Name Enclosure Type Enclosure Serial No Rangefinder Serial No Software Versions No Options Supplied with This Product Hand Held Keypad Sightglass Unpressurized 120 V AC DC Power Supply Flange Gasket 120 VAC Heater and Power Supply Sealing Gaskets PG13 5 Conduit Entry Set Bezel Gasket Air Curtain Universal Bracket Spray Ring Aritculating Bracket Sightglass Pressurized Reflector Cluster Special and Custom Features Important Notices Laser Pointer page 7 CAUTION Visible Laser Light Do Not Stare Into Beam Program laser pointer to OFF after installation and alignment Do not stare into laser pointer beam Low and High Temperature Protection page 31 Rangefinder turn on is delayed without warning at low temperatures until heater warms unit up to operating temperature rangefinder and laser pointer are shut down without warning at high temperatures until unit cools down No data is transmitted or accepted when rangefinder is shut down At cold temperatures unit may take up to 45 minutes to turn on R
41. le When using a sightglass cross tighten the flange nuts to avoid putting a bending moment on the sightglass Obey the bolting torque limits specified by the manufacturer for the size and material of the flange stud being used Before final installation clean all surfaces and seal them with suitable gaskets as shown in the appendix Avoid invasive dust or moisture 20 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Mounting and Application Information Do not complete the final seal of the window assembly to the sightglass cover until the unit has been fully aligned and commissioned 7 4 Other Mounting Configurations For assistance with other mounting options please contact Optech or your Optech representa tive See also Appendix Product Information page 61 for information on product options that may apply to your installation 7 5 Application Information 7 5 1 Monitoring Liquids Install the Sentinel 3100 to range towards the liquid at an angle of 90 For outside installation consider the angle at which the sun strikes the liquid A strong sunlight reflection from liquids can cause out of range measurements Ensure that the unit will not be ranging to obstacles that may be hidden at the time of installa tion Sentinel 3100 works best when monitoring turbulent or agitated liquids Still motionless liquid with no waves or ripples can cause saturation problems and less accurate range
42. n Thereafter the heater s thermostat will operate the heater up to a temperature of 20 25 C at which point it will shut off The thermal cutoffs of the rangefinder and the heater thermostat set point are overlapped to ensure that the rangefinder stays ON once it reaches operating temperature 32 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Programming 10 PROGRAMMING IMPORTANT Use the RS 232C port to program via keypad or PC with serial link Most recent programmed settings are restored when the unit is powered ON laser pointer defaults to OFF To begin programming press M Rangefinder laser does not fire during programming Laser pointer continues to fire if pro grammed ON 101 Summary of Screens and Programmable Settings Programming software is embedded no separate software installation is necessary On the following two pages are shown the hierarchy of programming screens for the Sentinel 3100 and a summary of settings that can be programmed via these screens More detailed infor mation is provided in the rest of this chapter 290 000142 Rev A Nov 03 33 Programming Sentinel 3100 User Manual FORMAT FORMAT MENU AUNITS C RES POWER UP D OUT MEASUREMENT UNITS A METERS B FEET UPON POWER UP SHOW B MAIN MENU B PROCESS VARIABLE RESOLUTION ALOW B HIGH DATA OUTPUT D ARANGE ONLY B RANGE DROPOUT INT MAIN MENU A FORMAT B ANALOG ANALO
43. n uer o IR e DR DCN REC MO CE KS 21 7 51 Monitoring Liquids u creas V TRY 21 735 92 Monitoring Solids etd iu tases gg a E GRE RI i esc 22 6 INSTALLATION 44 eke pu rex RS oe been 23 8 1 Installation ProcedU re i2 eva pis re Syke etr te aay taeda 23 8 2 Iristallation DFaWIngs E e Gop AT eae cad Gok es EUN MOREM 26 8 3 Field Interface zer a a ee q Q ee ke en eee 28 9 OPERATION eM Win GRR 29 9 1 Operating Steps u u eee ses eee ele BEEN we eg dte dea aie qe Bae aed ath pa 29 9 2 Powering ON OFF mp dete ee Meee i aa SRI RR E erdt 30 9 3 5 fa iy We eal ade EE all Ant te el 30 9 3 1 Accuracy and Repeatability 30 9 3 2 Accuracy Restrictions IE NU eg Son let ss eed gee a P EC E 30 9 3 3 Low Temperature Start DUE E MEG E EE YE 30 9 4 Thermal Protection ce eR a RR eae 31 9 4 1 High Temperature Rangefinder 1 31 9 4
44. nal Block Assignments is csse RR e bead Seba eee Eko 16 42 RS 232C Connector 17 Programmable Settings E PEN DIAM MER EAT RR ated 35 Common Programming 1 414 4 36 Replaceable Fusess c ree Ede LEX e ee US eie D P E A ARA Rs 49 Troubleshooting Summary fk Eu ROME RENGUUF DANI E RADAR UR ERE ES 51 Error COd6St dr zin CARE ACC EE NICO Aer e each AIR SUD Me det 52 Diagnostic LEDS ote De Edo tene aen ie pa IPEA eR EIS 52 Terminal Block Pin 4 69 Sentinel 3100 User Manual Overview 1 OVERVIEW This manual provides installation programming operation and maintenance information for users of the Sentinel 3100 level monitor Both the Sentinel 3100DV and Sentinel 3100CP models are discussed in this manual Unless otherwise stated information applies to both models 1 1 Terms Used in This Manual To highlight important information this manual uses the following signal words Do not proceed until you understand the information and have complied with any instructions DANGER WARNING CAUTION NOTICE IMPORTANT 1 2 Type Conventions Death or serious injury Potential for
45. nalog Range Settings ANALOG SETTINGS A 4 mA C NO RANGE B 20mA D SATURATE Press E to exit 4 mA Limit 15 55 Press to exit 20 mA Limit 15 3000 cm Press A to change Press E to exit 290 000142 Rev A Nov 03 39 Programming Sentinel 3100 User Manual 10 6 These screens set the ranges corresponding to the 4 mA and 20 mA analog limits Ranges can be set for zero span and inverse span and are displayed in the current units of measurement centi meters or inches The maximum value for either limit is 50 000 cm 19 695 inches Note that the value of the analog limit is exact if centimeters are used but round off errors reduce the accuracy using feet to under one inch When you press A to change the limit the following prompt appears INPUT A NUMBER FOR THE SETTING Type a value and press ENTER Press E to save the value and check that it is now displayed NO RANGE ALARM A 4 mA C IGNORE B 20 mA Allows the user to program an analog output response to a range reading such as no signal return SATURATE ALARM A 4 mA C IGNORE B 20 mA Allows the user to program an analog output response to a saturated reading such as too strong a signal Modes Screens MODES A OUTPUT MODE C FILTER B PULSE D TRIGGER Press E to exit 40 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Programming 10 6 1
46. ng the pointer OFF through 290 000142 Rev A Nov 03 7 Safety Sentinel 3100 User Manual software as soon as the Sentinel 3100 is installed and aligned As a precaution the pointer always defaults to OFF upon power up VISIBLE AND INVISIBLE LASER RADIATION DO NOT STARE INTO THE BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS CLASS 2M LASER PRODUCT 0 2 mW max output 200 Hz 10 ns pulse at 905 nm 0 99 mW max output at 635 nm Figure 3 IEC Eyesafety Labels 3 2 AC DC Enclosure Power Supply 120 VAC Option WARNING 120 VAC Shock Hazard Optional power supply can cause death or severe injury Do not open enclosure when unit powered Only qualified personnel should handle power supply and associated wires and connectors The optional AC DC power supply converts an external 120 VAC power source into the 24 VDC used internally by the Sentinel 3100 The power supply is located inside the main enclosure and is not accessible during normal operation The fuse for this device is located at F3 on the inter face board covered by a reusable fuse cover 120 VAC is present on the interface board at terminals 12 and 13 of the terminal block and pins 34 and 36 of the 40 pin edge connector terminal 14 is chassis ground Live voltages may also be present at the power supply When the Sentinel 3100 is powered do not touch the above connections 8 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Specifications
47. nit may not turn on immediately Thermal Protection page 31 NOTICE At cold temperatures unit may take up to 45 minutes to turn on Range readings may then fluctuate for first 15 minutes Accuracy gradually improves as unit warms up Align and Program 1 Program the laser pointer ON page 36 Confirm that the red POINTER ON LED on the interface board is illuminated CAUTION Visible Laser Light Do Not Stare into Beam Do not use binoculars or devices that collect light to locate pointer beam 2 Locate the red pointer beam spot The pointer beam is co aligned with the rangefinder beam 3 Align the unit Use shims or washers to adjust the unit s position until the unit is correctly aimed If the installation includes a sightglass use Optech s gasket to mount the unit tightly to the sight glass 4 Program the laser pointer OFF Confirm that the red POINTER ON LED on the interface board is now off 5 Program the unit for plant operation Chapter 1010 The unit is now ready for 4 20 mA analog output calibration if desired 290 000142 Rev A Nov 03 25 Installation Sentinel 3100 User Manual Final Steps After Alignment 1 Unplug the RS 232C data cable 2 Replace the lid of the interface module 3 Tighten all mounting hardware 4 Begin operation 8 2 Installation Drawings LEXAN WINDOW ZERO REF Ln p
48. nstrument air 1 For AC operation down to 40 C 290 000142 Rev A Nov 03 11 Specifications Sentinel 3100 User Manual 12 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Unpacking 5 UNPACKING Upon receiving your unit inspect the shipping carton for external damage that may have occurred during transit Check the contents against the packing list and inspect the unit for visible damage such as scratches and dents If an item is missing or damaged notify the carrier and your Optech representative immediately Check the enclosure window and ensure that it is clean and not cracked or scratched For window cleaning instructions see page 47 290 000142 Rev A Nov 03 13 Unpacking Sentinel 3100 User Manual 14 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Cabling 6 CABLING IMPORTANT Power and data cables supplied by customer are required for operation Sentinel 3100 may fire as soon as power is supplied For cabling diagram see Figure 9 page 28 To simplify cabling and servicing all external data and power connections are made to an inter face module on the enclosure In the module are a 14 pin terminal block J3 and a 9 pin con nector for RS 232C communication J2 The external data and power lines are carried by ribbon cable from an edge connector to a D37 connector on the base of the interface module This con nector and its mate on the enclosure are the interface between t
49. orrect 290 000142 Rev A Nov 03 53 Troubleshooting Sentinel 3100 User Manual 12 4 Intermittent Operation In Optech s experience intermittent problems are usually related to the environment in which the unit operates For this reason the Sentinel 3100 has been designed so that environmental prob lems can be distinguished from instrument problems with ease The unit can also be tested locally to eliminate any possible interference from the line or other equipment Local Test page 56 1 Check all external cabling connections and associated equipment 2 Check the serial output for error codes Table 7 page 52 3 Check that all heating and cooling equipment is functioning The unit s thermal cutoff switches are self resetting and the unit is disabled and re enabled without warning Thermal Protection page 31 4 If the unit is sending invalid output PARTIAL DROPOUT SAT DROPOUT check that No dust smoke steam rain or other environmental condition is interfering with a clear line of sight between the unit and the target material All windows and the sightglass if provided are clean The air curtain spray ring is functioning properly if provided The unit is programmed appropriately for its operating environment window distance window time out analog limits first last pulse mode 5 If the analog output remains the same even when the range changes check that the analog zero and maximum
50. re Ina strong light check for dust on the inside of the rangefinder transmitter lens the right hand lens If dust is visible the rangefinder may produce incorrect readings In this case contact Optech for cleaning instructions 2 Turn the rangefinder base plate over 3 Attach the rangefinder to the base plate by installing the four 4 40 x 3 8 mounting screws Do not touch the rangefinder lenses 4 Attach the transmitter baffle to the mounting screw by the rangefinder lenses Ensure that the baffle curves around the right hand lens when looking into the lenses separating it from the other lens 5 Carefully lower the base plate into the enclosure 58 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Troubleshooting 6 Connect the ribbon cable securely from the enclosure lid to J2 and J1 on the rangefinder panel 7 If your unit has AC power supply a Carefully lower it into position on the base plate b Connect the ribbon cable to J2 on the power supply 8 Attach the base plate and power supply if provided to the enclosure by installing the four mounting screws one in each corner 9 Replace the enclosure lid and tighten the four captive screws 10 Install the top two screws on the window assembly 11 Cable install align and program the unit for operation 290 000142 Rev A Nov 03 59 Troubleshooting Sentinel 3100 User Manual 60 290 000142 Rev A Nov 03 Sentinel 3100 User Man
51. readings Specular reflections from the surface of the liquid may produce OUT OF RANGE errors Table 7 page 52 In environments with dust airborne particles steam or fog use last pulse measurement mode First Last Pulse page 41 If problems persist contact Optech or your Optech representa tive To ignore range readings from tank agitation and obstacles such as mixer blades use filter programming Filter Distance and Timeout page 42 If measurements are intermittent use filter programming to compensate 290 000142 Rev A Nov 03 21 Mounting and Application Information Sentinel 3100 User Manual 7 5 2 Monitoring Solids Incorrect readings be reported during filling Depending upon the size of the falling par ticles the range to the unit and the extent of the drop the Sentinel 3100 may be able to range through the particles during a fill cycle The alignment of the unit can be adjusted to range to the top of a cone on filling and to the bottom of a cone on emptying Ensure that the unit will not be ranging to obstacles that may be hidden at the time of installa tion In environments with dust airborne particles steam or fog use last pulse measurement mode First Last Pulse page 41 If problems persist contact Optech or your Optech representa tive If measurements are intermittent use filter programming to compensate Filter Distance and Timeout page 42 22 290 00
52. rent value in the current units of measurement centimeters or inches the FILTER TIMEOUT screen displays the current number of range read 42 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Programming ings selected for the filter distance When you press A in either screen the following prompt appears INPUT A NUMBER FOR THE SETTING Enter the new value which will be shown at bottom left of the display Press ENTER to save it and then E to return to the screen Check that the correct value is now displayed Examples First range reading Filter distance Filter timeout Valid reading must be 3 500 cm 200 cm 5 range readings 3 300 or greater If there are no valid measurements the signal remains at 3 500 cm After five readings the next range reading is valid whatever it is The Sentinel 3100 provides a sliding filter that is a valid reading resets the filter for the following readings First range reading Filter distance Filter time out Valid reading must be Second range reading Valid reading must be 10 6 4 Trigger 3 500 cm 200 cm 5 range readings 3 300 or greater 3 400 cm 3 200 or greater TRIGGER B EXTERNAL A CONTINUOUS Press E to exit CONTINUOUS Updates automatically at set rate EXTERNAL Updates when TTL pulse received or 5 pushed on keypad 290 000142 Rev A Nov 03 43 Programming Sentinel 3100 User Manual 10 7 Set Up Screens
53. rotect the laser pointer from temperature extremes above its specified operating range the laser pointer is shut down automatically when the ambient temperature exceeds about 40 C The pointer is automatically re enabled when the temperature drops 9 43 Rangefinder DC Heater At internal temperatures below 0 C the Sentinel 3100 rangefinder does not fire or output data When the unit is powered on at such a cold temperature a heater incorporated into the rangefinder turns on automatically to warm the unit to an operable level At very cold temperatures it may take up to 45 minutes before the rangefinder is ready to fire If your unit includes an AC heater the warm up time will be shorter The rangefinder begins firing when its internal temperature reaches 5 C and the heater turns off at 8 C Under most conditions the rangefinder temperature will remain above 5 C from that point on Should the temperature drop the heater will turn on again 9 4 4 120 VAC Enclosure Heater Option For operation in very cold environments where 120 VAC is available Optech offers an enclosure heater as an option If the temperature of the rangefinder inside the enclosure is below 0 C when the Sentinel 3100 is powered ON the rangefinder will not turn on until the heater has warmed the rangefinder to an operable level about 0 10 C This may take up to 30 minutes depending on the ambient tem perature after which the rangefinder will be warm enough to turn o
54. ser Manual Operation 9 9 1 OPERATION The Sentinel 3100 can be programmed and controlled remotely from Optech s hand held keypad or from any device communicating via RS 232C and using ASCII characters Programming is dis cussed on page 33 Factory settings or the most recent programmed settings are saved and restored whenever the unit is powered ON again Operating Steps Before powering the unit check that Interface cables are firmly attached at both ends will not come loose If using a PC it is properly configured for remote programming and CAPS LOCK is on Serial Data Protocol page 18 Power ON The software version is briefly displayed on your keypad or PC In continuous mode the Sen tinel 3100 begins to report range readings within seconds In external trigger mode the unit reports readings only when triggered External Trigger page 17 NOTICE At cold temperatures unit may take up to 45 minutes to turn on Range readings may fluctuate for the first 15 minutes Accuracy gradually improves as the unit warms up Review and follow the laser safety precautions in Visible and Infrared Laser page 7 Program other aspects of the Sentinel 3100 as outlined in Chapter 10 Programming on page 33 Review also the operating notes in this chapter and the suggestions in Application Information page 21 Programming software is embedded no separate software installation is necessary
55. settings correspond to valid range readings default 0 30 m If the range differential is small when compared to the analog span readings may appear not to change For example if ranges vary from 40 50 m and analog settings are for 0 200 m the analog output may appear fixed 54 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Troubleshooting 12 5 Erratic Fluctuating Short Readings Erratic or drifting range readings may be caused by interference between the rangefinder and the target material either from dust inside the rangefinder or from atmospheric interference such as dust or rain Such readings may also be the temporary result of a cold unit that is warm enough to fire but is still warming up internally If your unit is producing erratic readings or ranges that are much shorter than expected there may be a build up of dust on the transmitter lens inside the rangefinder Especially in first pulse mode this may cause the unit to report a very short range reading e g 0 05 m to the enclosure window rather than to the target material being measured Dust on the inside of the rangefinder lens is clearly visible in good light 1 If the unit is in last pulse mode reprogram the unit to filtered last pulse mode First Last Pulse page 41 This may eliminate interference from dust rain or similar particles 2 After a low temperature start wait for about 15 minutes for the unit s internal temperature to stabilize Ran
56. sible the conduit entry face down Cable and Power 1 Open the interface module 2 Detach the module from the enclosure to simplify the task of cabling if necessary Save the five O rings on each mounting screw and the lid module seal 3 Run your power and data cables through the cable conduits NOTICE Unit is fully sealed at factory Failure to maintain sealed entry will void warranty 4 Make all connections to J3 the terminal block on the interface board To simplify the task of routing the wires remove the mating connector on the terminal block and re install it when this step is complete The unit operates off 24 VDC or 120 VAC option For J3 terminal assignments see page 16 or Figure 9 page 28 5 Forlocal RS 232C test and programming plug in the optional keypad or remote device to J2 the 9 pin serial port To use a remote device other than Optech s keypad or a laptop computer see Signal and Data Isolation page 16 and Serial Data Protocol page 18 The device must be unplugged before the interface module can be closed 24 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Installation 6 Re install the interface module on the enclosure a Check the five O rings b Align the mating connectors c Plug in the module Install the M4 mounting hardware on the lid but do not replace the lid at this point 7 Power ON page 30 If the unit is too hot or too cold the u
57. ssure applications LEXAN sightglass with 150 class for unpressurized applications Yp Z 21 lt gt RETAINER 4 f 221 77 2 APPROVED Um u SIGHTGLASS FUSED TO METAL Z N P 221 2 2 CONFORMING TO DIN 7079 2 GLASS BOROSILICATE 7080 Figure 15 Sightglass and Retainer Flange Accessory 64 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Appendix Product Information 13 2 8 1 Sightglass Installation MOUNTING BLOCK MOUNTING BRACKET 8 NUT W FLAT AND LOCK WSHRS M8 BOLT BOLT NOTE IN 4 SIZE HEAD OF BOLT MUST ALIGN WITH 3100 BOX FOR CLEARANCE BEZEL GASKET RETAINER FLANGE RAISED GROOVED FACE DOWN FLANGE GASKET SIGHT GLASS OR LEXAN FLANGE GASKET SPRAY RING OPTIONAL FLANGE GASKET STANDPIPE FLANGE BOLT AND NUT PROVIDED BY USER Figure 16 Sightglass and Gasket Installation Front View 1 Ensure the sightglass and bezel glass are clean and free from dirt or oil If they are dirty clean them with a commercial glass cleaner 2 Remove the white backing from the foam bezel gasket and attach the gasket over the unit window frame with the thick part over each other so that the screws are visible 3 Place components on the standpipe as shown in the above illustration with the raised grooved face down towards the tank and the spray holes if spray ring supplied facing up toward the sightglass 4 Bolt
58. th eyeglasses assisting vision The laser pointer emits continuous visible laser light at a wavelength of 635 nm The laser pointer light has an optical power of less than 1 mW and a spot diameter of less than 15 mm at a range of 5 m The laser pointer is co aligned with the rangefinder beam and projects a red spot on any surface Note that this beam spot may be hard to see in bright light When the two laser beams are considered together the Sentinel 3100 is considered a Class 2M product per IEC 60825 1 1993 1 1997 A2 2001 The Sentinel 3100 is therefore labeled as a Class 2M product the two labels on the unit are shown in Figure 3 This labeling and classifica tion system ensures that the Sentinel 3100 complies with all requirements of the European eye safety standard IEC 608251 1993 A1 1997 A2 2001 and with the United States eyesafety standard 21 CFR 1040 parts 10 and 11 and Laser Notice 50 dated July 2001 As with many conventional light sources there is some potential for hazard if the laser light is viewed directly for long periods Do not use optical instruments such as binoculars or other devices that collect light while the laser pointer is firing As a standard laser precaution do not stare directly into the laser and do not install the Sentinel 3100 at eye level Use the laser pointer for alignment only and not in normal operation To prevent accidental exposure to the laser beam Optech strongly recommends programmi
59. the retainer flange to the standpipe using only 6 bolts Then insert the mounting brackets opposite each other and hand tighten them with the two remaining bolts 290 000142 Rev A Nov 03 65 Appendix Product Information Sentinel 3100 User Manual 5 Place the unit in the center of the brackets Then insert the M8 bolts nuts and flat lock washers as shown in the above illustration Insert the M8 bolts all the way into the block leaving the nuts loose 6 Center the unit and slide the two brackets until both rest on the retainer flange Then tighten the brackets 7 Push down the centered unit on the top and then tighten the rest of the M8 nuts Notes Figure 16 above covers 4 and 6 non pressurized class 150 300 600 flanges Inthe 6 300 600 application rotate the brackets 180 around the flange bolt and bolt them directly to the mounting block Nuts are not necessary 13 2 9 Articulating Bracket For 3100 3310 3315 enclosures when they are not flange mounted 1 2 NPT CONDUIT 218 6 WASHER FLAT 3 4 223 6 Figure 17 Articulating Bracket Front View 66 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Appendix Product Information CAP 1 4NPT 316SS NIPPLE CLOSE 1 4NPT SS M8X1 25X16MML WASHER FLAT 8 WASHER LOCK 8 44 1 4 NPT PORT FOR OPTIONAL AIR CURTAIN EITHER SIDE 3 4 BOLT
60. ting off old weathered paints Kerosene or VM amp P Naphtha for removal of labels stickers etc If these solvents will not penetrate sticker material apply heat hair dryer to soften the adhesive 11 2 Enclosure O Rings and Seals The interface module is water proof and dust proof as long as all seals are installed and in good condition When servicing the unit check the module O rings listed below Module 1 Lid module seal 2 Each cable conduit Enclosure 1 Lid enclosure seal 1 Around D37 connector on enclosure lid 2 Rangefinder transmit and receive windows 1 Laser pointer window 4 Mounting screws attaching module to enclosure 6 Two mounting holes on each mounting boss For O ring kits contact Optech 48 290 000142 Rev A Nov 03 Sentinel 3100 User Manual Maintenance 11 3 Fuses There are three replaceable glass fuses F1 F2 F3 on the interface board as listed in the table below Fuses are installed at the factory for the options ordered Fuses are protected by reusable fuse covers The fuses F2 and F3 are laid out so that they cannot be installed together For 10 5 30 VDC operation standard Install F1 and F2 120 VAC operation 120 VAC option F3 Table 5 Replaceable Fuses Fuse Rating Function F1 2A 10 5 30 VDC power input fast blow 24 VDC nominal F2 3A 24 VDC rangefinder heater F3 2A 120 VAC line fuse 2 Internal rangefinder fuse slow blow The rangefinder
61. tly connected to a control system Table 2 J2 RS 232C Connector Pinout Pin Connection RS 232C Serial Data Out RS 232C Serial Data In Data Ground Remote 12 V 290 000142 Rev A Nov 03 17 Cabling Sentinel 3100 User Manual 6 5 Serial Data Protocol NOTICE Before starting PC programming press CAPS LOCK Serial RS 232C communication is established via Optech s optional keypad Optech recom mends using this keypad All programming software is embedded and available as soon as serial communication is estab lished Programming screens are shown on the range display If you want to store readings or do not have a keypad you can use a PC instead The Sentinel 3100 interfaces easily with any PC terminal communications program To establish a serial data connection your computer must be equipped with an RS 232C or RS 422 port Use the follow ing settings RS 422 Tx only RS 232C Tx Rx bi directional ASCII characters Baud rate 9600 Data bits 8 Stop bits 1 Parity None Flow control None Xon Xoff Serial port According to your computer configuration For Windows 98 or Windows NT use the HyperTerminal program with the below steps If your PC is equipped with Windows 3 1 software follow these steps 1 Select the ACCESSORIES icon 2 Select TERMINAL and then SETTINGS and COMMUNICATIONS 3 Set communications parameters as listed above 4 Save the correct s
62. ual Appendix Product Information 13 APPENDIX PRODUCT INFORMATION This appendix contains information on product options available from Optech 13 1 Hand Held Programmer Communications Configuration For use with the Sentinel 3100 Optech s handheld programmer can be configured with a baud rate of 9600 kbps To configure the handheld programmer 1 Confirm that the keypad is powered by checking that the backlight is on or that data is dis played 2 Simultaneously press the F1 SHIFT and CTRL keys Hold them down until the menu appears on the display 3 Release the keys 4 Follow the instructions on the display a To change the baud rate press F1 until the desired rate is displayed b To quit the menu without saving changes press F4 The keypad settings will default to the original value when powered off and back on again To save changes permanently press F5 290 000142 Rev A Nov 03 61 Appendix Product Information Sentinel 3100 User Manual 13 2 13 2 1 13 2 2 13 2 3 Options SENTINEL ITEM 3100 3200 3310 3315 3400 WATCHMAN DEMO 3200 3310 3315 3100 Keypad 4 4 120 VAC Power Supply 120 VAC Heater 13 5 Air Curtain KM lt lt Spray Ring Sightglass Pressurized Sightglass Unpressurized Flange Gasket Sealing Gaskets Bezel Gasket Universal Bracket Articulating Bracket SER Reflector Cluster LEX
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