- Ocean Sensor Systems, Inc.
Contents
1. Sensor Systems and contains all of the features gt OCEAN necessary to calibrate configure and display T SEES data It will run on most Windows based ee machines An outline of the basic steps required i to display and log data are given below With NE CEN the Wave Logger connected to the computer through the RS232 port start the Wave Staff Logger interface software Choose the correct com port usually com 1 or 2 Power up on the Wave Logger and left click on select the button labeled CONNECT A popup window should appear giving the device serial number Click on the button RETURN TO MAIN If communications failed one of four possibilities has occurred 1 The Wave Staff is not connected properly to the RS232 port Review the discussion above and check the connection 2 The Wave Staff is not powered Try reconnection of the battery 3 The Wave Staff is connected to a different RS232 port than the one selected Check to see which port it is connected to and select the correct port Now you may select CONFIGURE CALIBRATE or DISPLAY to configure the internal settings of the Wave Logger calibrate the Wave Logger only required if the staff has been changed or display measurement data to the screen and log it to a file on the PC The configuration control panel is shown here From this it is possible to configure a wide range of features To start press the GET CURRENT CONFIGURATION button and the dials and indicators2. skip to step 11 These Default Test Results may be received from us when extra staffs are purchased with a unit or units and we have calibrated them for you See paperwork that shipped with units wave LOGGER o 12 6 Return to the start window and click the CONFIGURE button The unit will need to be configured to take two measurements for the calibration There are 3 possible ways to take the two measurements by the Serial Cable by the Compact Flash Card or by a Wireless Connection Configure Wave Logger First decide how you wish to take the measurements Then be sure to Set the file Interval to 0 Set the Burst Length to 0 Set Start Time to Off Set Data Format to ASCII Set the RF Mode to Continuous Then if you are taking the measurements using the Wireless Connection set the Serial Data Output to Off If using the Serial Cable or Compact Flash Card set it to On Now click the CONFIGURE button You should see a SUCCESS window 7 Return to the start window and Quit the Interface software 13 Gas Display Wave Logger Data T ER i Lf NA Ri ne JU 4 IA _ ni i n is 8 With a small piece of tape mark two points on the staff typically at 20 and at 80 of the length of the staff 9 Now take two measurements at the marked locations in a convenient pool or pond Be sure to have the ground stud with wire connected to the water and keep the staff at least 6 to 12 inches from other metalli
3. OSSI 010 004E Wave Logger and OSSI 010 005xE RF Wave Logger User Manual Introduction The Ocean Sensor Systems Wave Logger has been designed to provide a high resolution measurement of liquid surface height at a data rate of up to 30Hz Data is logged internally to common Compact Flash memory cards in a PC readable format Uses include the measurement of waves wakes tides sinkage lake levels pond levels tank levels pool levels The device is self powered with a replaceable internal battery pack of common alkaline C cells The Wave Staff is very robust with solid state electronics sealed in a waterproof housing The measurement staff can be ordered in a variety of lengths and are interchangeable Please see the data sheet available on our web site at www oceansensorsystems com for detailed information This manual is designed to help the user with the details of RS232 communications and instrumentation science We at Ocean Sensor Systems are dedicated to making your use of our equipment as easy and rewarding as possible Electronics Housing Grounding Stud underneath Mounting Screw hole Cord Grip Figure The parts of the Wave Logger Control Panel The Wave Logger is opened by unscrewing the top of the black plastic housing from the base in a counter clockwise direction Open the unit in an upright position being careful to not let the battery drop out Inside the unit is a control panel The control panel has a slot f
4. a is scrolling down the screen enter the letters st to stop the data steam and enter configuration mode RF Modem Configuration for Wave Loggers with a date code after 8 31 09 The RF Wave Logger s RF Modem and the Stand Alone RF Modem are factory preset and no configuration is required In some cases reconfiguration may be required where there is interference from other similar devices The modems may be configured through standard AT Commands using a Hyper Terminal or by using the MaxStrearm X CTU software supplied with the RF Wave Logger The X CTU software may also be down loaded at http www digi com from Digi International MaxStream Only the Radio Address and Hopping Channel should be changed All other settings should be left set to the factory default See the Digi International MaxStream documentation for operating instructions The RF modems installed in the RF Wave Logger are an X09 OO9NSC for the 9OOMHz RF Wave Loggers and an X24 O09NSC for the 2 4GHz RF Wave Loggers The Stand Alone Modems are X09 OO9PKC RA for the 90OOMHz units and X24 O09PKC RA for the 2 4MHz units Notes Use the Serial Port Adapter to connect to the RF Modem in the RF Wave Logger After configuring the RF Modem in the RF Wave Logger the following must be preformed to return the unit back to the normal run mode With a Hyper Terminal type an Esc key or unplug the battery power fora moment The Serial Port BAUD rate on the RF Wave Logger is 9600 and it can
5. c objects 10 Now perform steps 1 2 3 and 4 again Do not forget to set the staff length and the Staff Type in the Calibrate Wave Logger window 11 In the Wave Logger Calibration Window enter the Lower Level measurement point 20 typically in mm and the Data measurement in counts 12 Enter the High Level measurement point 80 typically in mm and the Data measurement in counts Example A 4 meter staff at 20 and 80 would be 800mm 850 counts for the lower measurement and 3200mm 3010 counts for the higher measurement 13 Click the CALIBRATE button You should see a SUCCESS window 14 Return to the start window and Quit the Interface software 15 Now if you take the same two measurements again the data should be correct Typically better than 0 1 however it depends on how accurate you were in taking the measurements The object here is to be very accurate both times 16 Remember to reconfigure the unit to your desired requirements 14 Appendix C Typical Wiring Wave Logger amp Wave Logger III Typical Wiring Wave Logger fm lt ON ON p lt P gt LJ i WATER GND WATER LEVEL SENSOR
6. e Logger The nut is then tightened against the wire to hold it securely The grounding wire should be held securely along its length to prevent it from coming within 4 of the staff See Appendix C Power Requirements Replacement alkaline battery packs are available from Ocean Sensor Systems Alternately 4 individual new alkaline C cells may be connected in series and the power connector transferred from the old battery pack Serial Communications The Ocean Sensor Systems Wave Logger is an intelligent device and allows for data exchange and reconfiguration through RS232 communications to a computer A programming Serial Port Adapter cable is supplied to connect the Wave Logger to the DB9 connector found on most computers Only three wires are needed to connect the unit to the computer They are transmit receive and ground wires which are in the cable Serial Port Adapter Once the Wave Logger is connected to the computer it may be powered up by connecting the battery to the unit Ocean Sensor Systems has a Graphical User Interface available to download free of charge from www oceansensorsystems com The interface works on most Windows platforms and allows configuration calibration and display of data Details for the use of this program are given below Alternately the HyperTerminal program may be used Start the HyperTerminal Program in the accessories programs of your PC Configure the baud rate to 9600 with no flow control If dat
7. he delete file option when files are no longer needed on the flask Card Wave Loggers with a date code after July 31 2009 will now work with flash cards reformatted with Windows XP With a compact flash card inserted and the battery connected the Wave Logger will begin to collect data and store it to the flash card within 60 seconds or less The button on the control panel should be momentarily depressed to remove either the battery or the compact flash card The indicator light will then blink slowly at about 1Hz to indicate that all open files have been properly closed and it is safe to remove either the compact flash card or the battery connector Mounting The physical mounting of the unit at the measurement site requires no special protection from spray rain or sun though it should not be mounted underwater The Wave Logger may be used in almost any fluid compatible with glass PTFE stainless steel and ABS plastic The unit is mounted with the electronics head on the top and the staff projecting down into the fluid The output is a relative measurement of the height of the air fluid interface Order a unit long enough to measure over the full vertical range of the fluid surface without the electronics housing coming in contact with the fluid The base of the black housing has two 10 24 3 4 deep mounting holes on the bottom see Figure 1 These may be used to mount the unit securely to either the optional mounting bracket or a user sup
8. logging and displaying data click on the Stop Data button and then click on the RETURN TO MAIN button From the Main window select QUIT to exit the program Note When connected to a Wave Logger with OSSI Interface Software be sure to exit with the QUIT Button This will return the unit back to its normal RUN mode The battery power may also be turned off for a few seconds to return the unit back to the RUN mode Instrument Accuracy The Wave Logger is accurate to better than 1 of full scale If greater accuracy is desired the unit may be calibrated in situ and the data may be post processed with a 3 order curve fit Both techniques are for the advanced user and will result in better than 0 1 accuracy over the full range of the unit Appendix A Changing the staff on a Wave Logger Unscrew the cord grip cap and slide out the plastic insert Slide the Teflon tubing back to access the metal rod Unscrew the Staff while griping the metal rod Do not use any tools to clamp onto the yellow portion of the staff as this will damage the Teflon cover Put the cap and plastic insert on the new Staff Screw on finger tight the new Staff while griping the metal rod Slide the Teflon tubing into the cord grip Slide the plastic insert into the cord grip Screw on the cap moderately tight Follow the calibrate procedures in appendix B to calibrate the new staff 10 Appendix B Wave Logger and Wave Logger III Calibra
9. not be changed The Serial Port BAUD rate on the Stand Alone RF Modems may be reconfigured as desired To perform a Range Test with the X CTU software first the RF Wave Logger s RF Modem will need to be put into a Loop Back mode and second the X CTU software must be connected to the Stand Alone RF Modem To set the RF Wave Logger in Loop Back mode use the Serial Port Adapter to connect to a PC running a Hyper Terminal Type the 4 command st to stop running the sample routine and it will wait for your next command instruction Now type lb the Loop Back command Now the Range Test can be performed Afterwards the Loop Back mode can only be exited by monetarily removing the battery power or by typing the Esc key on a Hyper Terminal connected to the stand alone RF Modem This will return the Wave Logger back to the sample routine Maintenance The Ocean Sensor Systems Wave Staff should require no maintenance other than wiping any slime buildup off of the yellow PTFE staff The PTFE offers a very slippery surface and any attached material will be easily removed The only other maintenance is to check the battery voltage Batteries should be replaced when they are at or below 3 8vdc An open circuit reading of 6 volts or greater for the 4 cell Alkaline Battery Pack indicates essentially that the battery pack has at least 90 capacity Replacing the staff The staff may be separated from the electronics housing This feature allows for re
10. or the Compact flash card a button to allow removal of the compact flash card an LED indicator light a battery connector and a connector for the Serial Port Adapter cable RS232 connector Button i FOR 4 cc SUNAL STATUS a sa DA d SECONDS CARD INSERTED z CONTINUOUS 1 SEC ON k erg ia t 5 ree CARI sitar AFTER amp Wry B MST BLINKING SNE Pi attery connector Compact Flash Card Slot OCEAN SENSOR SYSTEME ine i UPI E Fe 5 BU TTO hi LED indicator BEFORE REMOVING CAR LJ The Wave Logger may be used by inserting a compact flash card 64M to 2000M in the slot with the card label down in relation to the control panel text The card should slide easily into the unit with a slight resistance for the last 1 16 The card when installed correctly will be straight and flush with the top surface of the control panel Next connect the battery supplied with the unit by inserting the connector into the appropriate socket The LED indicator light should turn on for 3 seconds If the LED light blinks rapidly at about 3 times a second the unit cannot identify the compact flash card This is due to one of the following e The wrong type or size of compact flash card is being used e The compact flash card is not formatted e The card was not installed correctly Note Early versions of the Wave Gauge did not work with flash cards reformatted with Windows XP To avoid this problem do not reformat the Flash Card Use t
11. placement of the staff should it become damaged and also allows for different length wave staffs to be used for different applications See appendix A for instructions on changing the staffs Replacement staffs in a variety of lengths are available from Ocean Sensor Systems Data Analysis The output of the Wave Staff is the actual level of the surface of the liquid being measured in count units Counts can be converted to millimeters with the simple formula counts staff length in millimeters 4096 If this is the surface of an open body of water the significant wave height may be estimated with 4 standard deviation It is usually more convenient to sample the Wave Staff in free run mode and log the data for subsequent analysis If a lower sample rate than 2Hz is required sub sample the redundant information The internal temperature is given in units 16 Celcius so the actual temperature is found by dividing by 16 Data files may be viewed and plotted in any of the common spread sheet programs or engineering graphing analysis programs The exact format is given in the Wave Logger data sheet available at www oceansensorsystems com Default Configuration The Wave Staff is shipped with the following configuration e Continuous Enabled internal temperature 9600 baud ASCII output RS232 enabled 10Hz sample rate Calibrated 0 4095 output Software Interface The Wave Staff Logger MPPE AOTT interface software is available from Ocean
12. plied mount Specially designed Mounting Hardware Kits are available from OSSI for this purpose see OSSI 015 002 Mounting Hardware Kit Additionally the unit may be mounted with clamps around the body of the black electronics housing The staff projects into the fluid and may require additional support for anything but small waves and short staffs The supports should cover only a small portion of the vertical section of the staff as they will create distortion in the measurements The supports should hold the staff securely without crushing the yellow Teflon plastic insulation The Mounting Kit contains stanchions for this purpose and will hold the staffs securely and will not damage the staff When mounting the Wave Logger a level should be used to assure it is vertical The yellow part of the staff should be mounted at least 4 away from any metallic or grounded surface Important Note on Grounding An electrical connection must be made from the ground stud on the side of the electronics housing to the fluid to be measured see Figure 1 The structure the unit is being mounted to may be used for this purpose if it is electrically conductive and extends into the fluid Another simple solution 1s to take a length of solid copper wire 2 to 18 gauge and strip the insulation back one foot to create a good surface area for contact with the fluid The other end of the wire is then stripped and looped around the stud on the electrical housing of the Wav
13. tion Procedure Every Staff and Wave Logger Unit has a variance in characteristics A calibration must be performed after the two are assembled together If the Staff is changed without recalibration the accuracy of the calibration could be off as much as 10 To calibrate the assembled unit the following steps must be performed 1 Connected the Wave Logger to a PC using the serial cable 2 Start the OSSI Interface Software on the PC This is an interface program that may be downloaded from our web site www oceansensorsystems com 3 Ocean Sensor Systems Wave Logger Interface OCEAAN RAWO SYSTEMS 1 x N i ri P k ET r r Set a 3 Select the serial port typically 1 then click the CONNECT button You should see a new window stating that you have successfully connected 4 Now return to the first window and click on the CALIBRATE button A Calibrate Wave Logger window should appear In the new window enter the staff length of the unit you are calibrating and the staff Type For Wave Staff HI and Wave Logger III with Coaxial Rod Staff select Int Gnd Rod For Wave Staff III and Wave Logger II with Coaxial Cable Staffs select Int Gnd Cbl For Wave Staff and Wave Logger with Rod and Cable Staff select Ext Gnd Rod Cbl 11 2 CALIBRATE WAVE LOGGER 5 Then click on the SET DEFAULT VALUES button You should see a SUCCESS window If the Set Default Test Results are available for the staff SET DEFAULT VALUE and
14. will change to reflect the current settings of the instrument Please see the detailed data sheet for the Wave Logger to understand the function of the various features Wave Loggers with a date code after July 31 2009 will operate by the following two notes Note 1 To use the Start Time feature the START DATE TIME Settings must be set one minute before the desired start time Example If the desired start time is 16 hours 00 minutes set the start time to 15 hours and 59 minutes Note 2 If enabled The New file Interval In Days will use the last minute of the day to close that days file and open a new file for the next Day The Wave Logger will stop recording data at 2359 hours and then start recording data again the next day at 0000 hours in the new file By selecting the RETURN TO MAIN button you will return to the previous menu Select the DISPLAY DATA button by left clicking on it The Display data window will appear This window will allow graphical viewing of the data as well as logging of the data to a file The data string from the Wave Logger can be viewed as well To log data to a file first click on the LOG DATA TO A FILE button and a popup window will allow the designation of a destination file Once a file has been selected pressing the START button will begin the display of data in the data string window as well as on the graph The units on the vertical axis of the graph are meters and the horizontal axis samples To stop
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