WTS-LV Manual-Rev B.1 - McLane Research Laboratories, Inc.
Contents
1. Enter volume per sample liters i to 1000 5 Enter pumping flow rate ml min 5000 to 10000 7 8000 Enter minimum flow rate ml min 4000 to 8000 4000 Enter pumping time limit minutes C 1 to 2 22 Forward or Reverse pumping F 2 f Real time 2568 h 150 I Hz 37 A HZ 0 1L 6 5 L min 1 secs pump data 2622 h 157 I Hz 76AHZ 0 2L 6 8 L min 2 secs 2876 h 1781 Hz 178 A Hz 4 8 L 8 0 L min 36 secs 2878 h 183 I_Hz 180A Hz 4 9 L 8 0 L min 37 secs Stopped by User Total volume pumped 5 01 L Elapsed time of event 38 sec Lowest battery detected 35 1 v Press any key to return to pump menu Figure 7 8 Pump Data display Each row in the Real time Pump Data display shows from left to right the pump speed control value the instantaneous pump speed in Hertz the average pump speed in Hertz the cumulative volume pumped in liters the instantaneous flow rate in L min and the elapsed time in seconds During bench testing conserve the battery by running the pump only as long as necessary 4 Sleep Sleep places the WTS LV in low power sleep LPS to conserve battery drain When the WTS LV is not running a schedule and the keyboard is inactive for 20 minutes LPS automatically triggers The WTS LV also returns to LPS after the last event of a schedule 15 completed and during the intervals between events To wake the system and return to the Main Menu press CTRL C three times 11 06 98 12 01 242. shackles can penetrate the anodized aluminum hard coating causing pits and cracks O Rings The WTS LV end caps each contain a set of Buna N o rings Each set includes two 70 durometer round section o rings 2 246 and 2 242 and one 90 durometer backing ring 8 242 To prevent leaks these o rings must be exceptionally clean and positioned properly in the controller housing grooves Position the backup o ring on the low pressure side of the radial groove toward the interior of the controller housing The backup o ring concave side faces toward the round o ring Face O Ring lt Radial O Ring Figure 4 1 Controller Housing Top End Cap with O Ring Seals Inspect o rings for signs of wear such as cracks and the presence of any foreign material that could affect the seal such as hair or grit Clean the o rings with alcohol and feel the o ring grooves and sealing surfaces to ensure they are also free of foreign material Apply a thin coating of o ring grease after cleaning When inserting the end cap into the controller housing confirm that the face o ring remains seated in its groove and that the radial o rings enter the housing uniformly without pinching Cleaning the Filter Holder Before and after deployment thoroughly clean the filter holder with a non abrasive cleaner For cleaning the filter holder must be removed from the frame and disassembled Check the WTS LV Material list in Chapter 1 of this User Manual f
3. Offload all deployment data before removing the main battery All data except the non volatile backup cache is lost when the battery 1s disconnected unless the backup battery is in place To change the batteries complete the following steps 1 Place the WTS LV in a dry area 2 Open the controller housing and disconnect the main battery from the electronics assembly 3 Remove the screws from the bottom cap of the battery the cap is spring loaded so back off a few turns on each screw in sequence rather than completely removing each screw 4 Remove the old batteries 1f applicable and clean the battery pack holder 5 Install the new batteries checking the marks on the terminal connectors to ensure correct polarity see Figures 4 4 and 4 5 Alignment a Pin qTwvana Unscrew Battery Bottom End Cap eU mmummmuuumumuuuEEHEHENEEHEHEHERHEHEHEEHEHEEREHENS APP ee Peer en fb as Figure 4 3 Battery Direction 6 After the batteries are installed align the battery end cap with the bulkhead pin and replace the screws 7 Before connecting to the electronics assembly use a volt meter to confirm correct battery connector polari
4. Selecting Yes at the final prompt commits the system to the deployment and starts the count down timer if that mode is active The WTS LV program enters a monitor mode where no further user entries except CTRL C are allowed Selecting No terminates the deployment and returns to the Main Menu 6 Offload Data This option works with the Capture to file feature of Crosscut After recovering the WTS LV and re establishing the communications link with the PC select 67 Offload Data to process the binary data and offload to a disk drive To prevent data loss offload data before disconnecting the battery To use the Offload Data option complete the following steps 1 Start Crosscut on the PC The PC should be on and Crosscut running before connecting to the WTS LV electronics Failure to observe this caution can crash the program Only data stored in EEPROM can be recovered after such as crash 2 Within Crosscut specify a Capture file for the offloaded data 3 From the Offload Display Data File Menu select option lt 1 gt 2 3 or lt 4 gt to display recorded data EIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII Offload Display Data File Fri Sep 3 12 35 36 2004 lt 1 gt Display ALL data lt 2 gt Display event summary data lt 3 gt Display pump data lt 4 gt EEPROM data backup cache lt M gt Main Menu Selection 1 Figure 7 11 Offload Display Data display Check the c
5. Sleeping Enter CTRL C now to wake up Figure 7 9 Low Power Sleep display 5 Deploy System Deploy System redisplays and verifies deployment settings Prompts in this option allow the operator to e Offload any existing data e Check and reset the system clock e Check and reset the scheduled or count down start mode e Check sampling parameters McLane recommends using the file capture utility available in Crosscut to log communications with the WTS LV including pre deployment bench testing Refer to Appendix A in this User Manual for more information about Crosscut Programming Sampling Parameters When deployment scheduling and initialization is completed a menu displays for entering sampling parameters as shown next 300 liters 7000 ml min 4000 ml min 75 minutes Sample volume Initial flow rate Minimum flow rate Time limit 1 minutes 00 00 hh mm Pump data period Count down timer Done Continue pre deployment set up Selection Figure 7 10 Sampling Parameters display A Quick Reference description of each sampling parameter is included next WTS LV Sampling Parameters Quick Reference Header Three lines of text up to 65 characters per line can be entered as a file header and offloaded with the data The header could be project name deployment location or instrument number Sample Volume The amount of water to be filtered before th
6. Move the entire filter holder to a protected location 7 Unscrew the 4 knurled nuts and remove the filter holder top 8 Remove the 142 mm filter and store secure as necessary for analysis 9 Replace the top section of the filter holder and secure it with the knurled nuts 6 4 10 11 12 Place the filter holder back onto its plate and install the three large black screws Reconnect the tubing to the filter holder If the WTS LV 15 not being immediately redeployed perform any necessary maintenance as described in this User Manual in Chapter 4 Maintenance and Storage Chapter 7 WTS LV User Interface This chapter describes the WTS LV firmware menus commands and screens and includes an overview of deployment programming Power up Sequence Connecting the WTS LV battery automatically loads the TT8 RAM and is the only way to power on the system When the power up sequence begins a screen prompt displays to set the time and date If the time and date screens do not display and the battery has been connected for some time the firmware may be in Low Power Sleep LPS Press CTRL C three times to wake the system If the screens still do not display confirm the COM port connection and communication protocol settings 9600 baud 8 data bits 1 stop bit and no parity The Main Menu Operating the WTS LV The WTS LV Main Menu displays the instrument serial number firmware version and provides the menu se
7. from the Radial Intake Filter Holder See Figure B 2 Figure B 2 Preparing the Filter Holder 3 Place the lowest filter on top of the frit making sure that the filter 1s sitting directly on the frit not floating on top of the water Figure B 3 Placing a Filter es 4 Install the next layer of the filter holder with the filter support 5 Using the beaker pour water into the filter holder until you begin filling the void above the filter support Figure B 4 Wetting the Filter 6 Place the next filter on top of the filter support 7 Press gently on the top of one side of the last layer installed to break the o ring seal on the opposite side and release excess water below the filter 8 Continue pressing until the filter 15 sitting directly on the frit EJMCLANE Appendix B 3 Figure B 5 Removing Excess Water Below the Filter 9 Repeat steps 3 8 for the final layer 10 Install the top of the filter holder and tighten down with the thumbscrews tighten the thumb screws simultaneously to prevent o ring seals from breaking Figure B 6 Tightening the Thumb Screws Some water will escape between the filter holder levels while tightening This is expected Appendix B 4 CLANE RESEARCH LABORATORIES INC Appendix C WTS LV with Optional Cartridge Filter Holder If optional cartridge filter holders are used priming is completed using reverse pumping priming is filling the tubin
8. 04 104 or 2004 2 Diagnostics Diagnostics scrolls a display of system status including date time battery voltage in Vb and temperature in Celsius To exit Diagnostics and return to the Main Menu press X or CTRL C Pressing any other alphanumeric key toggles the scrolling on and off Press any key to pause continue display x to exit 11 06 98 12 00 07 35 6 vb 24 C 11 06 98 12 00 07 35 5 vb 24 C 11 06 98 12 00 08 35 5 vb 24 C 11 06 98 12 00 09 35 5 vb 24 C Figure 7 3 Diagnostics display Low Battery Messages Low battery voltage triggers warning messages during the exit from the Diagnostics display If the main battery falls below 32 V a message displays suggesting battery replacement before deployment Battery voltage is abnormally low Checkfreplace main battery pack before deploying system Press any key to continue Figure 7 4 Low Battery Voltage display If the main battery falls below 20 V the message shown below displays the Diagnostic routine terminates and the program returns to the Main Menu Main battery is extremely low and should be replaced before running diagnostics Figure 7 5 Critically Low Battery Voltage display If critically low battery voltage under 20 V is detected and a data file has not been offloaded the additional warning shown next displays before the system returns to the Main Menu A data set ex
9. 316 stainless steel Bolt L Lock Washer Flat Washer Plastic Insulator Optional Figure 2 3 Controller Housing End Cap Bulkhead Connectors A 7 16 box wrench is included in the Toolkit Tighten the end cap bolts only until the lock washers become flattened 20in lb Do not overtighten NE 23 RESEARCH LABORATORIES INC When properly oriented the thumb bump on the cable connector is aligned with the large pin on the bulkhead connector Figure 2 4 Aligning Cable Connectors with Thumb Bump Boot the PC and start Crosscut before connecting the COM cable to the PC Pump Assembly The pump assembly located downstream from the filter holder to prevent sample contamination includes the 3 phase brushless DC motor and the pump head The motor is sealed in a Titanium pressure housing and magnetically coupled to the pump head The pump head is a dual piston rotary design that provides accurate even flow throughout its range Different positive displacement pump heads can be used with the WTS LV Pump head size 15 determined by the filter type and required sampling flow rate Figure 2 5 WTS LV Pump Assembly Depending on pump size water 15 drawn through the filter holder at a flow rate between 1 and 50 liters per minute Pump heads are made from Hydex engineering plastic with Tectron rotors and a ferralium shaft A 3 phase circuit on the electronics stack uses feedbac
10. Holder 5 itte rene E ES EEES N EEEE 4 2 Flushing the Pump Head eiecti e o e eroe ere 4 3 Maintaining Batteries eee eee nene eee ever ene ee eter eee eee internen trennen nee nnne nnns 4 4 Battery Installation 4 4 Backup Battery nani eouvis eaves aie a Ueber 4 6 Storing the WT SEV 4 6 Chapter 5 dcl M 5 1 FulteisCrosss Section ritit a R Meter e US 5 1 Primine the Pupa 14e ete ete eset oett Ce HH ee Deae T eee v Fee Te Mars Prata a 5 2 Instrument Current Consumption 5 5 Battery Duration Example Calculation 5 6 Chapter 6 Launch and Recovery 44 6 1 Attaching the WTS LV Clamps to the Wire sess 6 2 Recovery Procedure ennt trennen tenen nenne ener een enne en 6 3 Removing the Standard Filter sese rene rennen nre 6 3 Chapter 7 WTS LV User Inerface 1 ceres eee e esset eene eene eren netta
11. LV Pump Heads LVO8 is standard on the WIS LV Pump Size LV04 LV08 LV20 LV30 LV50 Flow Rate 1 4 5 8 10 20 15 30 25 50 Range L min Filter Types and Recommended Pump Heads Recommended Pump Heads Filter Type Pore Max LV04 LV08 LV20 LV30 LV50 Size Flow micron Rate L min Polycarbonate and Polyester 0 2 3 e Membrane Nucleopore Millipore Polycarbonate and Polyester 0 4 4 e Membrane Nucleopore Millipore Polycarbonate and Polyester 0 8 8 e e Membrane Nucleopore Millipore Polycarbonate and Polyester 1 0 10 e 9 Membrane Nucleopore Millipore Glass Fiber GF F QMA 0 8 8 e e 1 7 10 e o e 5 0 20 9 e e e Mesh Nytex 60 0 50 e e e e e 2 7 Serial Number The WTS LV serial number is printed on a silver label and attached to the controller housing Figure 2 7 Serial Number Label Flow Meter A calibrated mechanical flow meter just below the controller housing measures the WTS LV pump exhaust flow The cumulative meter reading cannot be reset Flow meter calibration is in U S Gallons conversion to liters is gallon x 3 785 liters To compare to the data recorded by the firmware record the flow meter reading prior to deploying the WTS LV and once again when the WTS LV is recovered Figure 2 8 Flow Meter Chapter 3 Electronic Description Controller Electronics Stac
12. Pump Figure 5 2 Tubing Between the Filter and Pump The filter support frit is made from a pourous plastic Let the frit absorb water until a puddle begins to form 4 Once the frit is flooded with neutral water place a 142 mm filter onto the bottom section of the filter holder U EJVCLANE Figure 5 3 Placing the Filter onto the Filter Holder 5 Wetthe filter with additional distilled neutral water Completely wet both sides of the filter membrane before setting the filter into the filter holder 6 Confirm that the filter is flat and centered on the filter holder 7 Install the prefilter plate If using additional mesh prefilters install those as well 8 Attach the top section of the filter holder and tighten the four thumb screws Figure 5 4 Tightening the Filter Holder Thumb Screws Do not run the pump in reverse once the filter is installed 5 4 CLANE RESEARCH LABORATORIES INC Instrument Current Consumption On the WTS LV with drop in battery pack deployment planning should account for fully draining the battery To maximize flow rate sample volume while protecting the sample and filter the system pumps until the battery 1s nearly drained saves the deployment data and then goes into sleep mode until recovery Battery capacity for a planned deployment can be estimated using the Instrument Current Consumption table shown next In addition to the controller unit battery drain is affecte
13. drips from one of the Cartridge Holders 7 Place the free end of the priming tubing into a minimum 5 gallon bucket or large reservoir containing several liters of distilled neutral water 8 To assist the water flow set the reservoir with the intake tube at or above the level of the filter housings Keep the hose submerged during priming so that air bubbles are not introduced into the system 9 From the Main Menu of the WTS LV firmware select 37 Run Pump 10 Select lt 2 gt run pump programmable i idi de EJVCLANE 11 When prompted set the volume to several liters the flow rate to 5000 the minimum value the minimum flow rate to 4000 the minimum value and the time limit to several minutes 12 At the prompt type R Reverse pumping 13 The pump will begin drawing water into the system from the bucket each of the cartridge holders will fill up consecutively Once the cartridge holders are all full water will enter the filter holder below the lowest frit This process will occur in approximately 20 seconds or less so watch carefully 14 Once the water penetrates the frit and begins filling the void above the frit press CTRL C to stop pumping EJMCLANE Appendix C 3 Notes Appendix C 4 EJMCLANE
14. e E 7 2 Figure 7 3 Diagnostics display sss eren enne 7 3 Figure 7 4 Low Battery Voltage display enne 7 3 Figure 7 5 Critically Low Battery Voltage display lt 7 4 Figure 7 6 Critically Low Battery Voltage Offload Data display 7 4 Figure 7 7 Manual Operation Menu display essent 7 4 Figure 7 8 Pump Data display sese ener erret 7 5 Figure 7 9 Low Power Sleep display 7 6 Figure 7 10 Sampling Parameters display essere 7 7 Figure 7 11 Offload Display Data display 7 10 Figure 7 12 EEPROM Data Backup Cache gt gt 7 11 Figure 7 13 McLane Contact Information display 7 12 Figure 7 14 Deployment Data in Memory display 7 13 Figure 7 15 Previous Records will be Erased display 7 13 Figure 7 16 Date and Time Confirmation 1 0 7 14 Figure 7 17 Start Method S
15. notans ne secececececesececeoececocesese 7 1 POWEr UP Sequence ninrin 7 1 The Main Menu Operating the WTS LV sees enne 7 1 I SEITI 7 2 2 DIA 4 ID ERE 7 3 Low Battery Messages 2 iem e e p EE 7 3 lt 3 gt Manual Operations sve ii h u Ea a Aae ii 7 4 Option 1 Run pump forward sreci 7 4 Option 2 Run pump reverse aaa anon nanes eee eee zene zene rene zene eee eee eee eee 7 5 Option 3 Run pump pro ta MM a De 7 5 S EE A nd eani E iu rmv eq 7 6 5 Deploy Systemi eei ee e B BE E RE A ERU 7 6 Programming Sampling Parameters sese 7 7 WISSEN Sampling Parameters nd d dd s dl o 7 8 Proceeding with the Deployment 7 9 lt 6 gt Offload Dat s LN 7 9 pl Em 7 10 DII nt ETS 7 10 OPUON Fetish ta eei Ont ce Ede t ab 7 10 OE 7 10 8 Contacting Mo Dario sans dreke e Destra deese enatis 7 12 Programming for 910 8 7 13 Chapter 8 Offloading Data nuance vese sene nese once eee ce ce sezone nese e cece ce ce ce se sene sem ce vese s
16. the file crosscut doc which is included with the Crosscut program Crosscut for Win also has a help utility which can be viewed by selecting Help from the menu bar EJMCLANE Appendix A 5 Notes Appendix A 6 EJMCLANE Appendix B WTS LV with Optional 3 Tier Filter Holders The WTS LV modular filter design permits several filters to be stacked in series and used simultaneously Each filter tier has a filter support frit and supports an independent filter with intermediate spacing for sample accumulation Multiple filter layers can be used for size fractionation or other specialized programs where in situ sample separation is appropriate This Appendix includes steps for priming which includes installing filters in the 3 tiered filter holder Figure B 1 WTS LV 3 Tier Filter Holder Priming the Pump and Installing Filters Priming is a wet process Seal the electronics housing and position the instrument over a drain or in a wet lab before completing these steps Do not prime too far in advance Priming the system and installing the filters should be completed just prior to the scheduled deployment To prime complete the following steps 1 Without removing the filter holder from the frame unscrew the four knurled nuts located on the top of the assembly and remove the filter holder top KAVICLAN E Appendix B 1 SEARCH LABORATORIES INC 2 Remove all layers and any prefilters except the lowest layer
17. the sample filter the flow rate automatically adjusts This adjustment equalizes pressure so that the filter and sample are not damaged To increase volume accuracy the internal pump model continuously corrects for motor speed adjusting for flow rate conversion inaccuracies caused by differential pressure A sudden mechanical failure or rapid clogging of the intake from foreign matter such as jelly fish seaweed or plastic bags stops the pump immediately to protect the existing sample The middle circuit board is an AUX Stepper which generates regulated voltages from the main and auxiliary battery inputs Those voltages are distributed to the rest of the system under the control of the firmware The AUX circuit includes access to the RS 232 serial communications port and an on board thermistor that monitors temperatures inside the controller pressure housing The AUX Stepper also controls an external trigger an optional device for the standard WTS LV included with the upright WTS LV The bottom circuit board is a Tattletale Model 8 TT8v2 micro controller manufactured by Onset Computer Corporation www onsetcomp com The TT8 board includes serial communication ports digital analog and timing interfaces a PIC 16C64 microcontroller serving as a programmable clock non volatile flash memory retention of the WTS LV firmware and RAM storage of critical deployment data files with non volatile EEPROM backup RR SBM LANE Battery Connect
18. with Thumb Bump eee 2 4 Figure 2 5 WTS LV Pump Assembly sess enne 2 5 Figure 2 6 WTS LV Standard Filter essent 2 6 Figure 2 7 Serial Number Label a i teinte 2 8 Figure 2 8 Flow Meter ccs euet Ie e a FERES eI ET UM A 2 8 Figure 3 1 WTS LV Controller Stack sss eere trennen 3 1 Figure 3 2 Drop In Battery Pack on Standard WTS LV sss 3 3 Figure 3 3 Connecting the Battery e eee e eee eee enne enne 3 4 Figure 4 1 Controller Housing Top End Cap with O Ring Seals sss 4 2 Figure 4 2 Empty Battery Holder End Cap Removed see 4 5 Figure 4 3 Battery Direction sieniniai sese ene eee eee ee nte nte rere eren netet eee eii ia 4 5 Figure 5 1 142 mm Filter Holder Schematic sse 5 1 Figure 5 2 Tubing Between the Filter and Pump sess 5 2 Figure 5 3 Placing the Filter onto the Filter Holder sene 5 3 Figure 5 4 Tightening the Filter Holder Thumb Screws 5 4 Figure 6 1 Bottom Clamp eee eese ivi ee eu Ies 6 2 Figure 6 2 Lop Clam post uo e ees ott ee id n REIR HERR EE Ee RED TUER UR 6 2 Figure 7 1 Main Menu display 7 2 Figure 7 2 Set Time display x t rrt dte ene eei t er I E
19. 30 Flow rate Volume error 15 to 30 l min 5 total volume Maximum volume 12 000 liters 10 Ahr battery Filter type Large opening mesh filters LV50 Flow rate Volume error 25 to 50 l min 5 total volume Maximum volume 15 000 liters 10 Ahr battery Filter type Large opening mesh filters Controller Housing Material 6061 T6 hard coat anodized Aluminum Power Supply 24 alkaline D cell batteries Communications Serial RS 232 Frame Type Material Strong back with wire clamps Type 316 electro polished stainless steel weldment 1 27 cm dia rod and 5 08 x 0 64 cm flat bar Cartridge Cartridge or pleated filter Operation Conditions Maximum depth Operating temperatures 5 500m 0 to 50 C 1 3 WTS LV Standard Components The components on the standard WTS LV are further described below Component Description Controller Housing The controller housing is a sealed pressure housing tested to a depth of 5 500m The housing contains a battery pack and a 3 board electronics stack Communications The communications link between the WTS LV and a PC is a standard 3 wire full duplex RS 232 connection Pump Assembly The pump motor 15 sealed in a titanium housing Sampling needs determine the pump head size an 8 L min pump is standard Filter Holder Filters The standard filter holder is machined from black acetal stock and evenly distributes samples over the 142mm filter surface Sampling needs determin
20. Laboratories can be accessed via the Web at www mclanelabs com or reached by email at mclane mclanelabs com The WTS LV user interface software also displays McLane s contact information Engineers are available by phone at 1 508 495 4000 from 1300 to 2200 GMT 0800 to 1700 Eastern Standard Time McLane Research Laboratories Inc Falmouth Technology Park 121 Bernard E Saint Jean Drive East Falmouth MA 02536 USA Tel 508 495 4000 Fax 508 495 3333 Email mclane mclanelabs com WWW http www mclanelabs com Software version 31v08 1 1 C Compi led Sep 01 2004 20 25 22 Electronics S N 11746 01 Press any key to continue 1 6 Chapter 2 Mechanical Description Frame The WTS LV frame is 316 stainless steel weldment designed to protect the pump and provide easy access to the filter holder Other components such as optical sensors thermistor pressure transducer or fluorometer can also be attached to the frame Cable Clamps Specially designed top and bottom cable clamps attach the WTS LV frame to the wire for deployment The 316 stainless steel clamps fasten to the wire with a threaded bolt and a T handle nut that compress the stainless steel clamp around the wire The bottom clamp attaches to the wire supporting the full system weight and the top clamp is secured second Figure 2 1 WIS LV Full View NE oi RESEARCH LABORATORIES INC Controller Housing The WTS LV controller ho
21. McLane WTS LV Sampler User Manual McLane Large Volume Water Transfer System Sampler WTS LV Sh SHIPPED FROM McLane Research Laboratories Inc Falmouth Technology Park 121 Bernard E St Jean Drive ee East Falmouth MA 02536 USA How to contact us E mail mclane mclanelabs com Fax 508 495 3333 e Phone 508 495 4000 Internet http www mclanelabs com WTS LV User Manual Revision History September 2004 Rev B January 2000 Rev A WTS LV User Manual Table of Contents Chapter 1 Introduction ics socccciccss s 1 1 Large Volume Water Transfer Sampler 3 1 1 Using this Manuale iii vsn vesr eziuritn E 1 1 WITISIEV OVeLVIe Wai Ceteri E e EE EA e et dtr ted asta ad he Seabee 1 1 WTS LV Standard Configuration aaa 1 2 WTS LV Line Drawing eee ere eee tree eee eee tere tere eee ererat 1 2 W TS EN Specifications 3 1 odo tee oec et 1 3 WTS LV Standard Components 1 4 W ESS EV Material i a tera N 1 4 e E ER A 1 5 Contacting McLane Research Laboratories 1 6 Chapter 2
22. Mechanical Description eee re cen e ce ee nese eene ce cece sezone ses cececececececeseeeooeceses 2 1 l ru EE 2 Cable Clamps utera ere 2 1 Controller Housing ucro iat beds ee He ree 2 2 Top and Bottom End Caps miniere sana ana sene ene e zene cen ecen ecen e come eee tee ce eee ener enne innen enne 2 2 End Cap Bulkhead Connectors Plastic Inserts and Screw Holes sess 2 3 Pump Assembly 5 x notre dentem Eni Rr dried 2 5 KIMIS nese aiite eser tgo vnde 2 6 Puimp Head Sizing 5 terret eR 2 7 Available WTS LV Pump ET SE 2 7 Filter Types and Recommended Pump Heads 2 7 Serial NUMBEL 25 3465 scoters 2 8 Plow Met r ann 7 2 8 Chapter 3 Electronic Description eere eee e eese se see emen e sec eerta seta setas eet cecececececeseceseceseses 3 1 Controller Electronics Stack uie tet eite tere de e eot tee ende einer inten 3 Battery Connection Powering on the 8 3 3 Chapter 4 Maintenance and StOr AB nana ae none co cecese se sene ne cen ce cen cecece se se ne cen ece cecececececeseneceoecececesese 4 1 Cleaning and Inspecting the Controller Housing 4 1 ODE 4 1 Cleaning the Filter
23. ains the recommended process for priming the standard WTS LV If using a 3 tiered and or cartridge filter holder option refer to the priming techniques in Appendices B and C of this User Manual Priming is a wet process Seal the electronics housing and position the instrument over a drain or in a wet lab before completeing these steps Do not prime too far in advance Priming the system and installing the filter should be completed just prior to the scheduled deployment Filter Cross Section The schematic below illustrates a cross section of the 142 mm filter holder Refer to this schematic before opening the filter holder Filter Holder Intakes Unscrew to Open Filter Holder gt 1 NEN Additional iil Titanium Prefilter and Honeycomb Support E G Prefilter L O rings Module Flow D es ae Diffuser A Filter Primary Filter Holder and Exhaust Support Frit Figure 5 1 142 mm Filter Holder Schematic Priming the Pump To prime complete the following steps 1 Leaving the filter holder on the frame unscrew the four knurled nuts located at the top of the filter assembly 2 Remove the filter holder top and any prefilters 3 Using a beaker pour distilled neutral water into the lower portion of the filter holder until the tubing connecting the filter holder fills with water Tubing Between Filter Holder amp
24. ampling needs e Filter holder s standard 3 tiered and or cartridge An upright WTS LV option is also available The upright WTS LV has greater battery capacity and includes a 2 pin trigger For more information see Appendix D in this User Manual WTS LV Upright Model WTS LV Line Drawing The WTS LV line drawing in Figure 1 1 and the specifications list that follows illustrate the major components and mechanical design of the standard WTS LV i Cable Clamp T Standard 3 7 Optional 142mm Filter gt Filter Holder Holder I Cartridge O Pump Head y and Motor Housing rm B Figure 1 1 WTS LV Line Drawing Side View Cable Clamp WTS LV Specifications Dimensions Length body 92 cm Width 60 cm Height 33 cm Weight In air In water 51 kg 34 kg Filter Holder material Filter size Black Acetal 142 mm diameter Pumps LV04 Flow rate Volume error 1 to 4 l min 3 total volume Maximum volume 1 500 liters 10Ahr battery Filter type 4 um Nuclepore or other membrane filters LV08 Flow rate Volume error 4 to 8 l min 5 total volume Maximum volume 5 000 liters 10 Ahr battery Filter type GFF QM A or other membrane filters LV20 Flow rate Volume error 10 to 20 l min 5 total volume Maximum volume 8 000 liters 10 Ahr battery Filter type Large pore size membrane to mesh filters LV
25. ard of the electronics stack Figure 3 3 Connecting the Battery 4 Install the 9 volt backup battery into the holder Install the 9V backup battery in the correct direction to prevent damage to the electronics 5 Close the controller housing 6 Remove the dummy plug from the communications connector 7 Attach the communication cable assembly supplied in the Toolkit first to the PC serial port and then to the main battery bulkhead connector on the controller housing Always make and break the COM connection at the WTS LV bulkhead rather than the PC serial port to avoid crashing the TT8 controller Before disconnecting power press CTRL C to return to the Main Menu and select Sleep Notes 3 6 Chapter 4 Maintenance and Storage In addition to a thorough freshwater rinse after each deployment WTS LV maintenance includes e Inspecting the controller housing e Cleaning the o rings e Cleaning the filter holder e Tightening bolts e Flushing the pump head e Maintaining batteries Steps for preparing the WTS LV for storage are also included in this Chapter Cleaning and Inspecting the Controller Housing Before each deployment inspect the zinc anodes on the controller end caps and replace if necessary Confirm that the insulated bushings are installed properly and that all hardware is 316 stainless steel Handle the controller housing carefully Abraision from hard objects such as tools and
26. ces VxD VCOMM Click on the VCOMM folder and its contents will be displayed in the right half of the window Double click ENABLE POWER MANAGEMENT in the right half of the window and change its value from 0 00 00 00 to 00 00 00 00 using the editing tool that pops up After the value has been changed go back through the directory tree and exit the registry editor Exit all programs restart the PC and try Crosscut again Capturing Data Files Using Crosscut Once the steps for first time Crosscut use are complete use the steps provided next to capture data files Appendix A 2 To start Crosscut type crosscut at a DOS prompt or click on the Crosscut icon the Crosscut directory must be in the directory path for this step To capture a data file after a deployment select CommPort from the menu bar and Capture to File from the submenu 3 Select a directory and a name for the file 4 The Open file window will appear in the Crosscut window ALT Z brings up the Open file window from the keyboard 5 Type the path and name of the file in the Name field or use the TAB and ENTER keys to select the directory and enter the name in the Name field 6 Once the capture is started everything that appears in the Crosscut window whether from the instrument or the keyboard is written to the file Run the offload utility and the data unpacked from the flash card will be captured in the name
27. d by flow rate pump speed and pump head size Higher pump speeds and filters that have collected more material draw additional battery capacity and can make battery endurance estimation more difficult Instrument Current Consumption Controller unit in low power mode 0 30 mA Pumping 7L min 750 mA RESEARCH LABORATORIES INC 5 5 Battery Duration Example Calculation The example deployment battery duration estimate shown next is calculated assuming an 8L min pump operated at 7L min The 24 alkaline D cells in the battery pack deliver approximately 10 000 mAh Eo Predepoment FO pF Subtotal 153 0 man E Deployment o pF Subtotal sast man O Recovery 00 pF Sujealo3m h O Total 4 521 mAh This example shows that the estimated battery drain for the proposed deployment totals 4 521 mAh and will not exceed the 10 000 mAh capacity of the battery pack The WTS LV upright model s A72 1000 battery has a 30 000 mAh capacity Use 30 000 mAh as the capacity rather than 10 000 mAh when estimating battery endurance for the upright WTS LV a CLANE RESEARCH LABORATORIES INC Chapter 6 Launch and Recovery Deploying the WTS LV requires completing pre launch steps and attaching the instrument to the wire Once sampling is complete the recovery process includes removing the filter and offloading deployment data This Chapter explains both launching and recovering the WTS LV Prior
28. d log file Note that Crosscut always overwrites the information in an existing log file 7 Terminate file logging by selecting CommPort and Capture to File again or by typing ALT Z 8 To exit Crosscut select File from the menu bar and Quit from the submenu or type ALT Q The format of the captured data file is ASCII text use the extension TXT for the file name ASCII text files can be loaded and edited by all of the common word and text processors Crosscut assigns a default file name of CAPTURE TXT to log files The operator can as described above change the name before logging begins That name becomes the default during that Crosscut session Alternatively the file can be renamed once captured to the hard disk of the PC In either case Crosscut does not append each log file must eventually have a unique name and path or it will be overwritten Using Crosscut for Win Crosscut for Win is a Windows based program that runs on a PC Crosscut for Win will run without modification or difficulty under all currently available versions of Windows including 95 98 Me NT 2000 and XP Contact McLane or Onset Computer www onsetcomp com for additional information EJMCLANE Appendix A 3 First Time Crosscut for Win Use To use Crosscut for Win for the first time complete the following steps l 6 Create a Crosscut for Win directory and copy into it the two Crosscut for Win files fr
29. during the next deployment Start time 11 06 98 12 13 17 Volume pumped 29 98 L Elapsed time 305 sec Volume reached Lowest battery 27 8 V Stop time 11 06 98 12 18 22 End of EEPROM data backup cache Terminate file logging operation now and press any key to continue Figure 7 12 EEPROM Data Backup Cache display 8 Contacting McLane This option displays McLane contact information and includes the software version and instrument serial number McLane Research Laboratories Inc Falmouth Technology Park 121 Bernard E Saint Jean Drive East Falmouth MA 02536 USA Tel 508 495 4000 Fax 508 495 3333 E mail mclane mclanelabs com WWW http www mclanelabs com Software version 1v08 1_1 C Compi led Sep 3 2004 9 08 26 Electronics S N 12345 01 Press any key to continue Figure 7 13 McLane Contact Information display SS BMC LANE Programming for Deployment The next section provides an overview of steps for programming and launching a deployment The system can be triggered to begin via a scheduled start specific date and time or a count down timer It is strongly recommended that fresh Duracell batteries be used for each deployment To program the WTS LV deployment complete the following steps 1 Power on the PC and start Crosscut 2 Remove the dummy plug from the WTS LV connector 3 Connect the WTS LV serial cable to the PC 4 From the Main Menu select lt 5 gt De
30. e ce ce sezone ceoeeseocesese 8 1 Recovering the Data ee rr eet e EEN 8 1 Appendix A Operating Crosscut and Crosscut for Windows 4 44 A 1 IUSTO ELVIS A 1 First Time CTOSSCUE USE ona ret ren e DOT e NE A 1 Editing the Registry to Enable 10850 A 2 Capturing Data Files Using Crosscut ener enne nnne A 2 Using Crosscut for Win REM A 3 First Time Crosscut for Win Use eere nennt enne nennen nnne A 4 Capturing Data Files with Crosscut for Win nennen A 4 Connecting the WTS LV to a PO au aaa aaa ana nane ener tere tere teke eee rene eee A 5 Additional Documentation aaa ananas nanes see ne ene eee eren e eee eren eee ete netet ente A 5 Appendix B WTS LV with Optional 3 Tier Filter Holders B 1 Priming the Pump and Installing Filters eese B 1 Appendix C WTS LV with Optional Cartridge Filter Holder eere C 1 Figure 1 1 WTS LV User Manual List of Figures WTS LV Line Drawing Side View 1 2 Figure 1 2 WES EV Toolkit eire ree Pe ber eet Ner e Regens 1 5 AS RA 2 1 Figure 2 2 Controller Housing suoceri 2 2 Figure 2 3 Controller Housing End Cap Bulkhead Connectors 2 3 Figure 2 4 Aligning Cable Connectors
31. e pump stops Initial Flow Rate The target flow rate The pump will attempt to achieve this flow rate Minimum Flow Rate If the flow rate drops below this value the pump stops Time Limit The maximum time limit before pumping stops The minimum and maximum allowed values depend on the selected sample volume and the maximum and minimum flow rates The time limit defaults to its maximum value but a smaller value can be set to establish time rather than volume control over pumping Pump Data Period The sampling period of pump flow rates and volumes stored during each event These samples are logged in the system data file Count down Timer The delay from the time the operator commits to the deployment until the pumping starts If a scheduled start has been chosen instead the scheduled start date and time would be displayed and would be available to change FR SBM LANE Proceeding with the Deployment Once the sample parameters are entered select D Deploy to proceed The system performs a consistency check and prompts for necessary changes for example the countdown delay must be at least 1 minute long and the scheduled start time must be later than the time of the consistency check After the consistency check one line of diagnostic information displays providing a final status check prior to deploying
32. e the filter type pump head combination used Additional filter options include a 3 tiered and or cartridge filter WTS LV Material This Components list can be used to confirm chemical compatibility between the WTS LV and any solutions used to clean the instrument Component Material Filter Holder Housing Acetal Delrin Flow Straightener Titanium Pre filer Supports 316 Stainless Steel Frit Porous Hydrophilic Polyethylene Hardware Stainless Steel and Nylon O rings Viton Fittings Polypropylene Tubing Polyurethane Low Density Polyethylene Pump Head Hydex 4101 Ferralium Techtron Pump Motor Housing 6AL 4V Titanium Controller 6061 T6 Aluminum hard coated Frame 316 Stainless Steel Electro polished 1 4 WTS LV Toolkit Each WTS LV comes with a Toolkit that contains tools software and spare parts including e OV backup battery e Wrenches screwdrivers and hex drivers sized for the WTS LV hardware e Spare o rings washers screws and bolts e Priming hose plug e Anti seize compounds silicone grease and o lube e Polyethylene tubing e Communications cable for serial port connection to a PC e CD ROM with Crosscut software and documentation Figure 1 2 WTS LV Toolkit Batteries sufficient for the first deployment are also supplied with the instrument E a Contacting McLane Research Laboratories McLane Research
33. election display 7 14 Figure 7 18 Sampling Parameters display 7 14 Figure 7 19 Consistency Check display aaa aa aaa aaa nanen ane nene eee eee ee ere eee ee ere e eene enne 7 15 Figure 7 20 EEPROM Overwrite Reminder 1 0 7 15 Figure 7 21 Diagnostic display ascite tiesne losin teratai ei ener enne nennen nnns 7 16 Figure 7 22 Proceed with Deployment Count Down Trigger display 7 16 Figure 8 1 Offload Display Data File ALL Data display eene 8 2 Figure B 1 WTS LV 3 Tier Filter 101 1 B 1 Figure B 2 Preparing the Filter Holder eene B 2 Figure B 3 Placing a Filters er eer dpt ener oder ete ca B 2 LOF 1 Figure B 4 Vetting the Filter eee teet it B 3 Figure B 5 Removing Excess Water Below the Filter B 4 Figure B 6 Tightening the Thumb Screws gt B 4 Figure C 1 WTS LV with Cartridge Filter Holders C 1 Figure C 2 Exhaust Port ex eire bee o RP RU eU EA io baden C 2 Figure D 1 WTS LV Upright Model sess en
34. ely create a Crosscut directory and place the six Crosscut files there If you operate Crosscut from the directory that contains the files changes to the path are unnecessary 2 Type crosscut at the DOS prompt or click on the Crosscut icon to run the program a short cut can also be created from the desktop Do not connect the PC to the TT8 yet 3 Select CommPort from the menu bar at the top of the Crosscut window and then select Port setup from the submenu use a mouse or the keyboard combination ALT P EJMCLANE Appendix A 1 6 Use the mouse or TAB and arrow keys to set the COM port being used to 9600 baud 8 data bits 1 stop bit no handshaking and no parity 9600 8 N 1 The copy of Crosscut on the floppy disk should have these values preset Click OK to store these values in the configuration files and they will be used whenever Crosscut is started again Connect the WTS LV serial cable to the PC Editing the Registry to Enable Crosscut 1 On the desktop of a PC running a recent version of Windows click START and select RUN from the pop up menu In the prompt box type regedit and click OK to start the registry editor window The editor will display a Windows directory tree in the left half of the window and a folder contents display in the right half of the window Click through the directory tree following this path HKEY LOCAL MACHINE SYSTEM CurrentControlSet Servi
35. g between the filter holder and the pump with water before installing the filter to displace any air pockets If water can be pumped through the cartridge filters in reverse install them before the priming process otherwise install them after the priming is completed When installing filters after priming completely refill the cartridge holders before reinstalling on the system Figure C 1 WTS LV with Cartridge Filter Holders To prime the pump when the cartridge filter holder is in use complete the following steps 1 Without removing the filter holder from the frame unscrew the four knurled nuts located on the top of the assembly and remove the filter holder top and any prefilters 2 Attach the priming tubing with the quick disconnect included in the Toolkit to the pump exhaust port located at the end of the flow meter see Figure C 2 KAVICLAN E Appendix C 1 Exhaust Port Figure C 2 Exhaust Port 3 Once the priming tubing is connected to the pump exhaust boot the PC plug the COM cable into the PC serial port and then connect the COM cable to the controller housing 4 Connect the battery if necessary if this is the first use of the WTS LV the battery will be inside the controller housing but not connected Steps for connecting the battery are in chapter 3 of this User Manual 5 Close and seal the controller housing 6 Using a beaker pour water into the open end of the priming tube until water
36. g the start method the screen shown next displays listing the interactive list of sampling parameters see Figure 7 10 for more information about this screen 300 liters 7000 ml min 4000 ml min 75 minutes 1 minutes 00 00 hh mm 1 2 3 4 Sample volume 5 Initial flow rate 6 Minimum flow rate 7 Time limit 8 Pump data period 9 Count down timer D Done Continue pre deployment set up Selection Figure 7 18 Sampling Parameters display 7 14 CLANE RESEARCH LABORATORIES INC 8 Change or keep the pumping parameters When a parameter is changed the list re displays with the updated value 9 When the sampling parameters are acceptable select D The system will perform a consistency check on all entries and re prompt for any necessary changes In the example shown in Figure 7 18 the consistency check would detect that the count down timer Is zero the minimum allowed value is 1 minute The prompt shown in Figure 7 19 would display to set the count down timer to 10 minutes Minimum count down time is 1 minute Enter delay period Hours 0 to 24 0 Minutes 0 to 59 10 Header 1 300 liters 7000 ml min 4000 ml min 75 minutes 1 minutes 00 10 hh mm Sample volume Initial flow rate Minimum flow rate Time limit Pump data period Count down timer Sample iw WONDUBRWN Done Continue pre deployment set up Selection d Figure 7 19 Cons
37. her or not the system is on station Reconnecting the communications cable and typing CTRL C will terminate the deployment at any time Ie CLANE RESEARCH LABORATORIES INC Chapter 8 Offloading Data Recovering the Data File After the WTS LV is recovered and rinsed and the filter is removed complete the steps in this Chapter to run the Offload Data option and print the data file to the screen to also create a permanent log file use the Capture to file feature within Crosscut After running the Offload Data option confirm that the data 1s successfully offloaded by checking the capture files before disconnecting the battery data is erased when the battery is disconnected To offload the deployment data complete the following steps 1 Power on the PC and start Crosscut 2 Remove the dummy plug from the WTS LV connector 3 Connect the WTS LV serial cable to the PC 4 From the Menu Menu select 67 Offload Data 5 From the Offload Display Data File menu select 17 Display ALL data The screen shown next displays EIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII Offload Display Data File Fri Nov 6 12 35 36 1998 1 Display ALL data 2 Display event summary data 3 Display pump data 4 EEPROM data backup cache M Main Menu Selection 1 To copy the instrument data file to a disk file initiate your communication program s file logging command now and then press any key to start the
38. ion Powering on the WTS LV Connecting and disconnecting the battery is the only way to power the WTS LV on and off The firmware starts automatically when either the main or backup battery is connected This section describes the drop in battery pack on a standard WTS LV For more information about the upright WTS LV model which holds the more powerful A72 1000 battery pack see Appendix D in this User Manual Drop in Battery Pack Figure 3 2 Drop In Battery Pack on Standard WTS LV The main battery pack is a white PVC plastic cylinder that holds 24 D cell batteries Batteries are serially connected via two circuit boards internal to the battery housing the battery connectors are keyed to prevent misconnection The positive and negative terminators of the main battery assembly are fed through the top end cap of the battery holder for connection to the electronics assembly To power on the WTS LV and connect to a PC complete the following steps Before powering on the system the D cell batteries must be correctly installed in the battery holder batteries are not shipped or stored in the battery holder to protect the electrical system and battery holder case See Chapter 4 of this User Manual for installation instructions 1 Boot the operator PC and start the communications software 2 Place the WTS LV in a dry area and open the controller housing 3 Connect the main battery to the 2 pin connector on the middle bo
39. istency Check display 10 Once the consistency check has been passed and the entries accepted the reminder shown next displays Caution Deployment will overwrite the EEPROM data backup cache Figure 7 20 EEPROM Overwrite Reminder display 11 The reminder is immediately followed by the line of system diagnostic information shown next System Status 11 06 98 12 07 12 35 4 vb 23 C Figure 7 21 Diagnostic display 12 If the main battery voltage is too low to support deployment warnings will display see Figures 7 4 7 5 and 7 6 for more information about battery voltage warnings 13 After the system status line and battery warnings if any a final prompt displays Selecting Y confirms the deployment and starts the countdown timer if that start trigger is selected Remove communication cable and attach dummy plug System is ready to deploy 11 06 98 12 07 17 Count down started 11 06 98 12 07 17 waiting for event 11 06 98 12 13 17 lt 11 06 98 12 07 17 gt Sleeping Figure 7 22 Proceed with Deployment Count Down Trigger display 14 Once the system is ready to deploy remove the communications cable replace the dummy connector and connect to the wire The system will remain in the low power sleep state until the scheduled time of the pumping event At that time the system will automatically wake up and begin sampling Unless interrupted by the operator pumping begins whet
40. ists in memory that has not been offloaded offload the data now before replacing battery or the data may be lost Figure 7 6 Critically Low Battery Voltage Offload Data display Confirm that offloaded data 15 accurate before disconnecting the battery The firmware detects only the successful execution of the Offload Data option and not whether the data file was successfully logged by the terminal emulator 3 Manual Operation Manual Operation provides direct control of the pump for bench testing system assessment and deployment preparation EIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII 9 Manual Operation 9 Fri Sep 3 12 00 21 2004 1 Run pump forward 10 liters 7000 ml min 2 Run pump reverse 10 liters 7000 ml min 3 Run pump programmable M Main Menu Selection 3 Figure 7 7 Manual Operation Menu display Option 1 Run pump forward This option pumps 10 liters of water in the forward direction at 7L min Press CTRL C to stop the pump before the operation is complete Option 2 Run pump reverse This option pumps 10 liters of water in the reverse direction at 7L min Press CTRL C to stop the pump before the operation is complete Option 3 Run pump programmable This option allows the operator to enter pumping flow rate minimum flow rate volume and time limit Press CTRL C to stop the pump before the operation is complete A sample screen is shown next
41. k The WTS LV controller is a three board stack mounted on the chassis plate between the controller housing end cap and the main battery cage The micro controller starts when the batteries are connected and controls the pump through the firmware user interface The WTS LV firmware controls bench and laboratory testing deployment parameters sample volume flow rate and time limits data recovery and non volatile backup data storage As material accumulates on the filter pump controls within the firmware track flow rate and protect sample integrity by dynamically adjusting flow rate Figure 3 1 WTS LV Controller Stack McLane recommends following standard electrostatic discharge ESD precautions when handling the electronics The top circuit board is a 3 Phase circuit that converts a serial control command received from the pump software to an analog control voltage that drives the pump motor power to the motor is routed through the chip set from the main battery The chip set also monitors Hall effect sensors in the motor housing and sends a pulse train to the controller providing an actual 3 1 speed reading of the pump The pump software completes a tight Proportional Integral PI control loop around the pump and tracks the programmed flow rate independent of battery voltage and environmental forcing Differential pressure across the sample filter is dynamically calculated inside this control loop As material accumulates on
42. k from Hall effect sensors within the motor to control pump speed The flow rate is calculated from the motor RPM and a model of pump and motor characteristics Properly sizing the pump head for the filter type is critical for accurately calculating pumping volume Review the Filters and Pump Head Sizing sections next in this Chapter and contact McLane with any questions Filters The standard WTS LV 142mm filter holder is machined from black acetal stock with large horizontal intake openings at the top for a low resistance path to the filter Water flow moves through the horizontal intakes and then down through a titanium honeycomb baffle that straightens the flow and suppresses turbulence The filter holder evenly distributes the sample flow over the entire filter surface The filter is placed on a support frit approximately 5mm below the base of the baffle Filtered water passes through the frit down a short length of tubing and through the pump to the exhaust port Figure 2 6 WTS LV Standard Filter The WTS LV can also be deployed with a 3 tiered or cartridge filter holder For more information about these options see Appendix B VVTS LV with Optional 3 Tier Filter Holders and Appendix C WTS LV with Optional Cartridge Filter Holder i EJVCLANE Pump Head Sizing The tables shown next provide a list of available pump heads and McLane s recommendations based on filter type and flow rate Available WTS
43. lections for all system control operations To select an option type the alphanumeric character and press ENTER Pressing ENTER accepts the default for most prompts EXJVCLANE n McLane Research Laboratories USA 8 liter minute Water Transfer System Version 1v08 1 3 c S N 12345 01 EIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII 9 Main Menu 9 Fri Sep 3 12 00 01 2004 lt l gt Set Time 5 Deploy System 2 Diagnostics 6 Offload Data lt 3 gt Run Pump lt 7 gt Contacting McLane lt 4 gt sleep selection 2 Figure 7 1 Main Menu display lt 1 gt Set Time This option sets the real time clock RTC Use this option to change the date and or time setting if adjustments are required after the initial RTC setting during the power up sequence Upon powering up the RTC defaults to January 1 1970 00 00 00 The operator can set the clock to any date and time in the allowed range and the count will continue from the new value McLane recommends that the RTC initally be set during the power up sequence Clock reads 01 01 70 00 48 21 Change time amp date Yes No N y Note Year 2000 100 2001 101 etc Enter correct time 01 01 70 00 48 24 11 19 98 14 20 55 Clock reads 11 19 98 14 20 55 Change time amp date Yes No N n Figure 7 2 Set Time display Spaces or colons can be used as separators Leading zeros 01 rather than 1 are optional The Year 2004 can be entered as 4
44. mp to the wire confirming that the wire is taught between the top and bottom clamps see Figure 6 2 4 Confirm that both clamps are well tightened 5 Deploy the WTS LV To ensure that the exhaust lines are completely wet allow the instrument to flood near the surface for a few minutes before deploying to the target depth a EIMcLANE A shackle can be placed around the deployment cable and connected to the WTS LV with a short cable bridle as a safety wire Recovery Procedure When the deployment concludes recover the WTS LV and complete the following e Offload the deployment data e Remove the filter Steps for offloading the data are included in this User Manual in Chapter 8 Offloading Deployment Data The section that follows describes the process for removing the filter Removing the Standard Filter To remove the standard WTS LV filter complete the following steps 1 Boot the PC plug the COM cable into the PC serial port and then connect the COM cable to the controller housing 2 From the WTS LV Main Menu Select lt 3 gt Run Pump 3 From the Manual Operation menu select lt 1 gt Run pump forward 4 To remove standing water from the filter holder run the pump at the minimum flow rate for 3 5 seconds and press CTRL C to stop pumping when the standing water is gone 5 Disconnect the tubing from the filter holder and unscrew the three large black screws under the filter holder plate 6
45. n use file logging during all of your interactions with the WTS LV to create a log of operations deployment settings and recovery procedures There are two standard file capture programs that McLane recommends Both programs are freely distributed by Onset Computer www onsetcomp com for TT8 communication Crosscut is a DOS based program that runs on a PC and Crosscut for Win is Windows based McLane recommends using file capture for all deployments To download compressed archives of Crosscut and Crosscut for Win software go to www mclanelabs com downloads crosscut zip www mclanelabs com downloads crosscut win zip Using Crosscut Crosscut is a DOS based program that runs on a PC Crosscut will run without modification or difficulty under DOS Windows up to Windows 98 1st edition and Windows NT up to Version 4 0 Service Pack 5 Later releases of these operating systems commonly require a change to the PC registry to disable power management of the serial port Modifications may also be required to enable the mouse Detailed instructions for the registry change can be found below and at www mclanelabs com laptops and crosscut html Contact McLane or Onset Computer www onsetcomp com for additional information First Time Crosscut Use To use Crosscut for the first time complete the following steps 1 Place the six Crosscut files from the disk provided in the Toolkit into a directory on the PC or create a new directory Alternativ
46. nemis D 1 Figure D 2 WTS LV Upright Controller with A72 1000 Battery pack D 2 Figure D 3 Correctly Feeding Battery Connection Wires esses D 3 Figure D 4 Connecting the Battery esses nennen emere nennen nnne D 3 Figure D 5 Controller Housing End Cap with Trigger sese D 5 Figure D 6 Sampling Parameters with Trigger Option display Chapter 1 Introduction Large Volume Water Transfer Sampler WTS LV This manual describes the operation and maintenance of the Large Volume Water Transfer Sampler WTS LV a single event instrument that collects large volume in situ particles onto a filter Before deploying the WTS LV first time operators should complete the following e Read this chapter and chapters 2 through 5 in this User Manual to learn about using and maintaining the WTS LV e Connect the battery e Prime the pump e Program the deployment Using this Manual This manual is organized into several chapters Chapter 2 Mechanical Description and Chapter 3 Electronic Description detail the WTS LV mechanical and electrical components Chapter 4 Maintenance and Storage describes cleaning and storing the WTS LV Chapter 5 Operations describes pre deployment preparation Chapter 6 Launch and Recovery describes launch and recovery steps Chapter 7 WTS LV User Interface and Chapter 8 Data Offload and Processing explain programming
47. om the disk provided in the Toolkit Click on the Crosscut for Win icon to run the program or establish a short cut from the desktop Do not connect the COM cable to the WTS LV yet Select CommPort from the menu bar at the top of the Crosscut for Win window and then Setup from the submenu Select the COM port and set the port parameters to 9600 baud 8 data bits 1 stop bit and no parity 9600 8 N 1 Click OK The system stores these values and they will be used whenever Crosscut for Win is started in the future Connect the COM cable from the PC to the WTS LV serial port Capturing Data Files with Crosscut for Win 1 2 6 7 Start Crosscut for Win To capture a data file after a deployment select Terminal from the menu bar and Capture Setup from the submenu Enter a Capture file name in the box and select Overwrite or Append Overwrite replaces any information in an existing log file Append adds new information to an existing file select carefully Click OK Start File gt Capture Everything that appears in the Crosscut for Win window is written to the file Toggle file logging by selecting File and Capture again To exit Crosscut for Win select File from the menu bar and Exit from the submenu The format of the captured data file is ASCII text you should use the extension TXT for the file name ASCII text files can be
48. ontents of the capture file before disconnecting the battery Option 1 Display ALL data displays the entire system data file including programmed pumping values the event summary data and the pumping time history Option 2 Display event summary data displays the programmed pumping values and the event summary data total volume pumped start stop times Option 3 Display pump data displays the programmed pumping values and the pumping time history flow rates cumulative volumes and battery voltages Option 4 EEPROM data backup cache accesses a back up copy of the most critical deployment data from non volatile memory Note that only the most critical data for sample processing is included An example of Option 4 output is shown next e EJVCLANE During deployments a backup copy of the most important information stored in the instrument datafile is also written to a small EEPROM The EEPROM provides non volatile data storage allowing data recovery in the unlikely event the instrument datafile is no longer resident in active memory The EEPROM data cache contains the start and stop time for the sampling event and the volume of water pumped through the filter during the event To copy the EEPROM cache file to a disk file initiate your communication program s file logging command now and then press any key to start the transfer The cache file remains resident in the EEPROM until overwritten
49. or chemical compatibility of cleaning solutions Do not grease the o rings in the filter holder to avoid contaminating the sample Flushing the Pump Head After each deployment flush the pump head interior with fresh water to prevent salt crystal formation To flush complete the following steps 1 Connect the plastic tubing provided in the Toolkit to the pump exhaust port 2 Place the free end of the tubing in a reservoir of fresh clean water 3 Remove the filter holder 4 From the Manual Operation menu select 2 Run pump reverse 5 Reverse pump 5 liters of fresh water to clear the pump head of salt water Optionally a mild detergent solution can be used for a first flush followed by a clean water flush EJVCLANE 5 Maintaining Batteries It is strongly recommended that fresh Duracell batteries be used for each deployment When new the standard WTS LV battery pack has a 10 000 mAhr capacity Installing the D cell batteries with correct polarity 15 essential see Figures 4 2 and 4 3 Battery Installation Selecting 2 Diagnostics from the Main Menu displays battery voltage Battery voltage below 32 V triggers a warning message in the Diagnostics module Battery packs below 20 V trigger a critically low battery voltage message Batteries with less than 32 V should be replaced before the next deployment For details about Diagnostics and battery voltage messages see Chapter 7 in this User Manual
50. ploy System If deployment data exists in memory and the data offload procedure has not been run the prompts shown next display A data set exists in system memory that has Not been offloaded Existing data will be lost if deployment continues Continue yes No N y Figure 7 14 Deployment Data in Memory display Previous deployment records will be erased Continue Yes No N y Figure 7 15 Previous Records will be Erased display 5 Confirm that the date and time are correct Clock reads 11 06 98 12 06 03 Change time amp date Yes No N n Figure 7 16 Date and Time Confirmation display 6 Select the method for starting the system both start options are referenced to the system real time clock e The count down timer start begins counting when the deployment is confirmed and begins pumping when the timer reaches zero The count down timer can be set in 1 minute increments from 1 minute up to 24 hours e A scheduled start requires entering the date and time for pumping to begin The scheduled start timer should be used to program longer delays lt l gt Scheduled start Enter time amp date 2 Count down timer Enter timer values Selection 2 Figure 7 17 Start Method Selection display Using either the scheduled start or the count down timer allow sufficient time to attach the WTS LV to the wire and lower it to the target depth before pumping begins 7 After selectin
51. read by vvord processors and text editors Appendix A 4 Crosscut for Win requires a name for the log file the first time the capture utility is called during a Crosscut for Win session That name then becomes the default for the remainder of the session The file can be renamed after capture on the hard disk of the PC Connecting the WTS LV to a PC Connecting a DB 9 or DB 25 connector to a PC serial port by rocking the connector back and forth can cause a Com Port Crash in the TT8 If a crash occurs remove the connector and then restore power to recover control of the WTS LV The crash is caused by signals or apparent signals on the receive pin of the communications port if they arrive when the TT8 is in low power sleep and if the ground connection between the TT8 and the PC is intermittent To connect and disconnect the communications cable complete the following steps 1 Always boot the PC and start Crosscut before connecting the communications cable to the WTS LV 2 Connect the communications cable first to the PC and then to the WTS LV 3 Disconnect the communications cable first from the WTS LV and then from the PC 4 Connect to and disconnect from the WTS LV as smoothly as possible Try to prevent repeated intermittent contacts 5 Leave the PC and Crosscut running until the COM cable is disconnected from the WTS LV Additional Documentation A more detailed and complete description of Crosscut operations can be found in
52. sampling parameters and offloading the data after deployment Appendices in this User Manual describe instrument options including 3 tier and cartridge filter holders and the upright WTS LV sampler WTS LV Overview The WTS LV is a single event large volume sampler that collects suspended and dissolved particles on a membrane filter or adsorption cartridge The sampler operates in 0 to 450 C water at depths up to 5 500m A range of biological samples and sediment aggregates can be collected because the WTS LV lets the operator control flow rate and pumping volume During deployment the system logs data such as sample timing volume pressure rate and flow This data is offloaded after the WTS LV 15 recovered Sample flow rates depend on filter porosity and pump size the standard pump is 8 L min Using different pump heads pump flow rates from 1 to 4 liters per minute up to 25 to 50 liters per minute can be achieved 1 1 The WTS LV is deployed from an oceanographic wire to sample water column characteristics Optical sensors such as a thermistor pressure transducer or fluorometer can also be installed on the frame Multiple samplers can be time synchronized and simultaneously deployed to obtain a profile of large volume water samples WTS LV Standard Configuration The standard sampler configuration is a low profile frame with the following components e Controller housing e Pump assembly pump head size is determined by s
53. to deploying the WTS LV complete the following listed in order of completion Install the filter and prime the pump see Chapter 5 in this User Manual for information Connect the battery close the end cap and connect the COM cable see Chapter 3 in this User Manual for information Program the deployment see Chapter 7 in this User Manual for information Disconnect the COM cable and attach the dummy plug Attach the WTS LV to the wire explained in this Chapter If launching the WTS LV using the 2 pin trigger to start a countdown timer see Appendix D in this User Manual WTS LV Upright Model for more information The trigger is included on the upright WTS LV and optional for the standard WTS LV model Attaching the WTS LV Clamps to the Wire As shown below the WTS LV has two cable clamps that are designed for fast and easy attachment to and from oceanographic wires The bottom clamp attaches to the wire first supporting the full system weight and the top clamp which is permanently attached to the frame 15 secured second Figure 6 1 Bottom Clamp Figure 6 2 Top Clamp Attach the WTS LV to the wire by completing the following steps 1 Secure the pin clamp around the wire and tighten the T nut until the clamp 15 fastened the pin should face pointing up see Figure 6 1 2 Slide the WTS LV frame down onto the pin clamp placing the hole at the bottom of the frame onto the pin clamp 3 Secure the top cla
54. transfer The instrument data file will remain resident and is not deleted by this procedure Software version lv08 1_1 c Compi led Nov 5 1998 9 08 26 Electronics S N 578 Data recording start time 11 06 98 12 07 17 Data recording stop time 11 06 98 12 18 22 HEADER this is a test Sample volume 300 liters Initial flow rate 7000 ml min Minimum flow rate 4000 ml min Time limit 75 minutes Pump data period 1 minutes Count down timer 00 10 hh mm DEPLOYMENT DATA Event start 11706798 12 17 17 35 7 vb 22 8C 300 08 L delivered in 2572 seconds Volume reached Event end 11 06 98 13 00 09 33 1 vb 27 8C Normal shutdown PUMPING DATA Sample interval 1 minutes L min liters vbat 294 End of instrument data file Terminate file logging operation now and press any key to continue Figure 8 1 Offload Display Data File ALL Data display 2 MCLANE 6 After the data is offloaded stop the Crosscut Capture to File The Offload option can be executed again if necessary the data file remains in memory until a new deployment schedule is created or the batteries are disconnected 7 From the Main Menu select 4 Sleep to put the system into low power sleep mode until the next use 8 Disconnect the communication cable from the WTS LV and reinstall the dummy plug 8 3 Notes lt Appendix A Operating Crosscut and Crosscut for Windows You ca
55. ty and voltage of approximately 36 volts 8 Connect the battery to the electronics 9 Seal the controller housing Backup Battery The backup battery is a 9 volt alkaline battery that sustains the controller memory for approximately three months in the event of a main battery failure The backup battery does not supply enough power to run the pump but allows communication with the user interface and data offload operations Install the 9V backup battery in the correct direction Reversing polarity damages the electronics Storing the WTS LV The WTS LV can be shipped and stored in the reusable shipping crate which meets the requirements for international transport by ground ocean or air freight carriers If storing the WTS LV for more than a month complete the following e Offload all data from memory e Rinse the WTS LV with fresh water e Disassemble and rinse the filter holder e Remove the main and backup batteries e Clean and grease o rings e Reassemble the main battery holder and insert the electronics package back into the controller housing e Replace all bolts e Apply a small amount of anti seize to the threads Chapter 5 Operations Just prior to deployment the WTS LV pump must be primed by flooding the tubing between the pump and filter holder with water The water removes any air pockets trapped in the tubing During priming the filter 15 also installed in the filter holder This Chapter expl
56. using is a 6061 T6 heat treated aluminum alloy cylinder pressure resistant to depths of 5 500m that holds the battery pack and electronics assembly micro controller 3 phase pump motor driver and stepper motor driver The controller housing 15 fastened to the frame by two latex rubber insulated 316 stainless steel U bolts Both the electronics assembly and batteries can be accessed without removing the controller housing from the frame Controller Housing Figure 2 2 Controller Housing Top and Bottom End Caps Top and bottom end caps seal the controller housing from water intrusion with a face o ring seal and a radial o ring seal with a backup ring Each end cap includes two 70 durometer round section o rings 2 246 and 2 242 and one 90 durometer backing ring 8 242 22 RESEARCH LABORATORIES INC End Cap Bulkhead Connectors Plastic Inserts and Screw Holes The controller housing end cap has an 8 pin bulkhead connector for the pump and a 3 pin bulkhead connector for a PC serial port The connectors are labeled P Pump and C COM Port Additionally an optional 2 pin trigger can be installed to start a countdown timer A 30 gram zinc anode is also attached to each end cap Three bolt washer assemblies hold the controller housing end cap in place A white plastic insert fits into the screw hole followed by a flat washer a spring lock washer and lastly the bolt see Figure 2 3 The hardware 15
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