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SBE 21 Manual - Sea

1. Interface Box Note When you click OK Seaterm saves the Configuration Options settings to the SeaTerm ini file in your Windows directory SeaTerm ini contains the last saved settings for each instrument When you open Seaterm and select the desired instrument SBE 19 21 25 etc in the Configure menu the Configuration Options dialog box shows the last saved settings for that instrument Notes e See Section 5 Setting Up NMEA Interface for details on the setup menu e f the SBE 21 is set up to automatically start sampling when power is applied AutoRun Y the Interface Box setup is followed by hex data output from the SBE 21 AS 232 Full Duplex C AS 485 Half Duplex Inductive Moder m Modem RS485 ID Panty C Prompt D Even C Odd None C Automatically get ID Default Help x Make the selections in the Configuration Options dialog box Click OK to save the settings 5 Turn on power to the Interface Box The red PWR LED should light The display in Seaterm looks like this Interface box V 3 1b setup PC baud rate 9600 SEACAT baud rate 4800 7 data bits even parity NMEA baud rate 4800 start mode Echo characters to and from the instrument NMEA message to decode GGA GLL RMA RMC TRF DBT DPT Press to change the interface box setup This shows that correct communications between the computer and Interface Box has bee
2. This command will change the scan length and or Repeat the command to SampleNumber x HeaderNumber x GL x sample number for first sample when logging begins Typically used to recover data if you accidentally initialize logging using IL before uploading existing data x header number for first sample when logging begins Typically used to recover data if you accidentally initialize logging using IL or SampleNumber 0 before uploading existing data Start logging now SBE 21 overwrites any recorded data and headers in memory SBE 21 requires verification before it proceeds SBE 21 takes first sample 3 seconds after command is verified Example user input in bold GL initialize verify GL data begins appearing This command will change the scan length and or logging Repeat the command to 34 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Logging Commands continued Note After sending AutoRun Y you must turn power to the SBE 21 off and then on again to start logging Notes e You may need to send QL several times to get the SBE 21 to respond If the SBE 21 does not appear to respond to QL press Ctrl Z several times and then try QL again e f AutoRun Y remove power to stop logging e You must stop logging before uploading data RL Resume logging now SBE 21 resumes writing data and headers to memory witho
3. F F 5 Inthe File menu select Save not Save As If you are running Windows 2000 the following message displays You are about to save the document in a Text Only format which will remove all formatting Are you sure you want to do this Ignore the message and click Yes 6 Inthe File menu select Exit 54 Manual revision 028 Section 7 Routine Maintenance and Calibration SBE 21 Section 7 Routine Maintenance and Calibration This section reviews corrosion precautions removing the sensor electronics module from the SBE 21 water jacket conductivity cell cleaning and storage O ring maintenance and sensor calibration The accuracy of the SBE 21 is sustained by the care and calibration of the sensors and by establishing proper handling practices Corrosion Precautions All hardware exposed to seawater is titanium the housing is plastic No corrosion precautions are required The SBE 21 should be cleaned as described below after use and prior to storage Removing Sensor Electronics Module from SBE 21 Water Jacket Remove 4 bolts securing square end cap to top plate 1 Close all 4 valves valve is closed when the handle is vertical 2 Remove sensor electronics module from water jacket A Remove the 4 bolts washers and nuts securing the square end cap to the SBE 21 top plate B Lift the square end cap straight up removing the sensor electronics module from the water jacket C Protect the o
4. Memory 64 Mbyte non volatile FLASH memory Recorded Parameter Bytes sample Data Storage temperature and conductivity 6 3 each each external voltage 2 SBE 38 remote temperature 3 Real Time Clock 32 768 Hz TCXO accurate to 1 minute year Sample Rate 1 sample 3 seconds to 1 sample 600 seconds Sample rate is incremented in 1 second steps PVC housing water jacket piping and valves Materials titanium end cap Recommended l Flow Rate 1 liter second 15 8 gallons minute Auxiliary Auxiliary power out up to 500 mA at 10 5 11 VDC Voltage Sensors A D resolution 12 bits Input range 0 5 VDC Maximum Safe Operating 34 5 decibars 50 psi Pressure SeaCAT Sealogger RS 232 and Navigation lneut Power Interface Box is included with typical SBE 21 p order If testing SBE 21 without Interface Box provide 9 14 VDC power Weight 41 kg 90 Ibs 10 Manual revision 028 Section 2 Description of SBE 21 Dimensions and Bulkhead Connectors Dimensions in millimeters inches SBE 2 k 483 19 0 SBE 38 Connector Pin Signal AUN Common RS 232 Data transmit to SBE 38 RS 232 Data receive from SBE 38 Power to SBE 38 XSG 4 BCL HP SS SBE 21 Top Cap XSG 4 BCL HP SS XSA BCL Ground Connector Pin Signal 1 0 Connector Communications amp Power Pin Signal Common 1 2 RS 232 Receive 3 RS 232 Transmit 4 Power In Note I O connector is
5. SetPcbSerialNum3 SetPcbSerialNum4 SetPcbAssembly1 SetPcbAssembly2 Hardware SetPcbAssembly3 SetPcbAssembly4 Configuration Auxiliary Sensor Settings can be modified in the field to accommodate changes in auxiliary sensors cabled to SBE 21 SetVoltType0 SetVoltSN0 SetVoltType1 SetVoltSN1 SetVoltType2 SetVoltSN2 SetVoltType3 Set VoltSN3 67 Manual revision 028 Appendix IV AF24173 Anti Foulant Device SBE 21 Appendix IV AF24173 Anti Foulant Device AF 24173 Anti Foulant Devices supplied for user replacement are supplied in polyethylene bags displaying the following label AF24173 ANTI FOULANT DEVICE FOR USE ONLY IN SEA BIRD ELECTRONICS CONDUCTIVITY SENSORS TO CONTROL THE GROWTH OF AQUATIC ORGANISMS WITHIN ELECTRONIC CONDUCTIVITY SENSORS ACTIVE INGREDIENT Bis tributyltin oxide OTHER INGREDIENTS 20 0 0 eee cee eee eee eee DANGER See the complete label within the Conductivity Instrument Manual for Additional Precautionary Statements and Information on the Handling Storage and Disposal of this Product Net Contents Two anti foulant devices Sea Bird Electronics Inc EPA Registration No 74489 1 13431 NE 20 Street EPA Establishment No 74489 WA 1 Bellevue WA 98005 68 Manual revision 028 Appendix IV AF24173 Anti Foulant Device SBE 2 AF24173 Anti Foulant Device FOR USE ONLY IN SEA BIRD ELECTRONICS CONDUCTIVITY SENSORS TO CONTROL THE GROWTH OF A
6. 03 03 e Seasave SBE Data Processing con file change now compatible with SBE 38 e Change Interface Box name to PN 90158 1 SeaCAT Sealogger RS 232 and Navigation Interface Box 016 05 03 e Add Average command e Add information on change in logging behavior if you try to send a command while logging 017 018 08 03 10 03 Change default baud to 4800 consistent with instruments used with Interface Box recommendations in Interface Box manual and what we will be shipping as default change default in Seaterm Change details on interaction with Interface Box Interface Box redesigned to eliminate dip switches allow setup via a menu Interface Box has new part number 90488 AC powered version 019 01 04 Add more description of how SBE 38 data is manipulated and processed as a pseudo frequency 020 03 05 e Correct Conductivity calibration range to 2 6 6 S m plus zero conductivity previously showed 1 4 6 S m plus zero conductivity a relic of NRCC calibrations Add specification for SBE 3 remote temperature sensor custom to Specifications page Update cleaning recommendations to correspond to revised application note 2D Update AF24173 Anti Foulant Device appendix to current label Update jackscrew kit photo description to include spare plastic hex head screws Add more information for VR command Describe output of ds which is automatically sent when you connect to 21 Add inform
7. 12 Installation guidelines 14 Interface Box 9 17 18 19 39 43 L Logging commands 33 M Maintenance 55 Manual revision history 74 Mechanical installation 16 N Navigation See NMEA NMEA 39 43 operating modes 43 setup 44 testing 44 troubleshooting 46 O Operating modes 43 O ring maintenance 57 Manual revision 028 P Parity 12 Parker Super O Lube 62 Parts replacement 72 Plumbing 14 PN 90158 1 Interface Box 17 PN 90488 Interface Box 9 18 19 39 43 Polled sampling commands 36 Power 63 Processing data 53 R Real time acquisition 47 Remote temperature sensor 12 32 39 Removing sensor electronics module 55 Replacement parts 72 Revision history 74 S Sampling commands 36 SBE 38 12 32 39 data format 42 SBE Data Processing 9 13 52 Schematic 14 Seasave 9 13 39 47 52 Seasoft 9 13 Seaterm 9 13 19 50 toolbar buttons 20 sensor electronics module 55 Sensors 63 Setting up SBE 21 19 Setup commands 32 Software 9 13 Specifications 10 Status commands 25 Stop bits 12 Storage 56 Super O Lube 62 System description 8 schematic 14 Index 77 SBE 21 T Testing 19 44 Triton 56 62 Troubleshooting 56 59 U Unpacking 7 Uploading data 50 V Versions 74 Voltage sensors 32
8. HAZARD TO HUMANS AND DOMESTIC ANIMALS DANGER Corrosive Causes irreversible eye damage and skin burns Harmful if swallowed Harmful if absorbed through the skin or inhaled Prolonged or frequently repeated contact may cause allergic reactions in some individuals Wash thoroughly with soap and water after handling PERSONAL PROTECTIVE EQUIPMENT USER SAFETY RECOMMENDATIONS Users should Remove clothing immediately if pesticide gets inside Then wash thoroughly and put on clean clothing Wear protective gloves rubber or latex goggles or other eye protection and clothing to minimize contact Follow manufacturer s instructions for cleaning and maintaining PPE If no such instructions for washables use detergent and hot water Keep and wash PPE separately from other laundry Wash hands with soap and water before eating drinking chewing gum using tobacco or using the toilet ENVIRONMENTAL HAZARDS Do not discharge effluent containing this product into lakes streams ponds estuaries oceans or other waters unless in accordance with the requirements of a National Pollutant Discharge Elimination System NPDES permit and the permitting authority has been notified in writing prior to discharge Do not discharge effluent containing this product to sewer systems without previously notifying the local sewage treatment plant authority For guidance contact your State Water Board or Regional Office of EPA This material is toxic to fish
9. Large single point salinity spikes can be removed with the Wild Edit module in SBE Data Processing Route cabling as cleanly as possible avoiding sources of noise Electric motors are a particular problem Avoid routing the cable next to generators and air conditioners Cables longer than 3 meters should be installed inside an earthed metal conduit by a qualified electrician This minimizes the potential for external signals to disrupt communication and ensures that high voltage lines such as the sea cable are sufficiently protected Cables shorter than 3 meters can be used without shielding when installing or bench testing the instrument If practical mount the optional SBE 38 remote temperature sensor outside the hull However the remote temperature sensor is usually mounted in the remote sensor mount kit which has 1 inch pipe threads on each end plumb the mount kit into your seawater system Install the SBE 38 as close to the seawater intake as possible before the pump near the bow of the ship Since the installation is below the water line consult with your ship s engineer naval architect shipyard regarding the actual installation Sea Bird cannot offer advice in this matter as each ship is different and plumbing regulations vary The SBE 21 can record a maximum of four auxiliary voltages from auxiliary sensors However Sea Bird has not developed methods for the mechanical integration of these auxiliary sensors with the SB
10. e Sample SBE 38 remote temperature sensor SBE38 e Output format Fx e Output Executing and Executed tags OutputExecutedT ag Example Send GetCD to SBE 21 user input in bold command used to modify parameter in parentheses getcd lt ConfigurationData DeviceType SBE21 SerialNumber 02106001 gt lt SampleMode gt lt SampleInterval gt 15 lt SampleInterval gt SI lt AutoRun gt no lt AutoRun gt AutoRun lt Average gt no lt Average gt Average lt SampleMode gt lt DataChannels gt lt ExtVolt0 gt yes lt ExtVolt0 gt lt ExtVoltl gt yes lt ExtVolt1 gt lt ExtVolt2 gt no lt ExtVolt2 gt lt ExtVolt3 gt no lt ExtVolt3 gt SV sets number of voltage channels SV sets number of voltage channels SV sets number of voltage channels SV sets number of voltage channels lt SBE38 gt no lt SBE38 gt SBE38 lt DataChannels gt lt OutputFormat gt SBE 21 lt OutputFormat gt Fx lt OutputExecutedTag gt no lt OutputExecutedTag gt OutputExecutedT ag lt ConfigurationData gt 25 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Status Commands continued GetSD Note The DS response contains similar information as the combined responses from GetSD and GetCD but in a different format Get and display status data which contains data that changes while deployed List below includes where applicable command
11. may need to send QL several times before the SBE 21 responds ql logging stopped stop command 9 If output format SBE16 in the status display and you intend to use Sea Bird data processing software send F1 to change the output format to SBE 21 Verify output format SBE21 by clicking Status on the Toolbar again 10 Click Upload on the Toolbar to upload stored data in a form that our data processing software can use Seaterm responds as follows A Seaterm sends the status DS command displays the response and writes the command and response to the upload file DS provides information regarding the number of samples in memory scan interval etc B Seaterm sends the header DH command displays the response and writes the command and response to the upload file DH provides information regarding the number of samples in each cast SBE 21 writes a header each time sampling is restarted as well as every 10 000 scans date and time the cast was started and sample interval C Ifyou selected By scan number range in the Configuration Options dialog box Configure menu a dialog box requests the range Enter the desired value s and click OK D If you selected Prompt for header information in the Configuration Options dialog box Configure menu a dialog box with the header form appears Enter the desired header information and click OK E Inthe Open dialog box enter the desired upload file name and click OK The upl
12. required Verify that the settings in the configuration file match the current CTD configuration number and type of auxiliary sensors sensors assigned to correct channels NMEA and Surface PAR selected if applicable Problem 4 Scan Length Error in SBE Data Processing Note To view the Diagnostics file select Diagnostics in Data Conversion s Options menu In the Diagnostics dialog box click on Display Log File Cause Solution 1 If the scan length in the data file does not match the selected xmlcon or con configuration file for example the configuration file indicates that NMEA position data was added but the data file does not contain NMEA data SBE Data Processing s Data Conversion module will not process the data If you look in the Diagnostics file you will see a scan length error Check the configuration file against the header in the data file and correct the configuration file as required Problem 5 No Data Recorded Cause Solution 1 The SBE 21 s memory may be full once the memory is full no further data is recorded Verify that the memory is not full using DS free 0 or 1 if memory is full Sea Bird recommends that you upload all previous data before beginning another deployment Once data is uploaded use IL to reset the memory After the memory is reset DS shows samples 0 Problem 6 Nonsense or Unreasonable Data Note A new or recalibrated instrument ships with a configurati
13. thermosalinograph data Seasave requires a xmlcon or con file which defines the SBE 21 auxiliary sensors integrated with the instrument and channels serial numbers and calibration dates and coefficients for all the integrated sensors conductivity and temperature as well as auxiliary sensors Seasave as well as our data processing software uses the information in the configuration file to interpret and process the raw data If the configuration file does not match the actual instrument configuration the software will not be able to interpret and process the data correctly The configuration file must indicate if NMEA data is being added to the SBE 21 data by the Interface Box or the computer See Section 4 Setting Up SBE 21 for details on viewing and modifying the configuration file in Seasave The configuration file setup overrides the mode selection in the Interface Box the Interface Box can be set to echo characters to and from the SBE 21 to add Lat Lon data to the SBE 21 s hex data or to transmit Lat Lon data only In other words real time transmission of NMEA data is dependent only on the xmlcon or con file setting in Seasave 46 Manual revision 028 Section 6 Operating System SBE 2 Section 6 Operating System This section covers e Acquiring real time data with Seasave e Uploading SBE 21 data from memory e Processing data 1 Acquiring Real Time Data with Seasave Note The baud rate between the Int
14. 005 12 90 e Add remote temperature option to the manual e General corrections e Change all references to minimum 5 sec interval to 6 sec 006 12 92 e Remove references to Seasoft version 3 add Seasoft version 4 discussion e Add SV XN and XY commands e General rewrite 007 01 94 Add documentation for F1 and F2 commands 008 06 94 e Correct FR command temperature frequency and conductivity frequency switched e Correct VR command VO and V1 switched e Change 64K memory to 128K e General corrections 009 04 96 Rewrite general correction 010 011 10 98 02 02 e Change 128K memory to 1024K e Add note to stop logging QL then QS before switching power off Major rewrite add graphics Windows software incorporate firmware changes that had been briefly addressed in an addendum that was shipping with manual version 10 012 12 02 Correct Remote Temperature spec for accuracy to 0 001 same as SBE 38 not 0 01 Remove 1 2AA designation for back up lithium batteries Diagram that shows connectors indicate SBE 38 conn is standard not optional SBE 38 baud rate must be same as SBE 21 baud rate Add caution about editing hex files approved method Anti fouls remove information about life and directions on handling 013 01 03 Add AF label info in appendix 014 01 03 Add information on anti foul fittings similar to application note 70 015
15. 38 Remote Temperature Data Format The SBE 21 was originally designed to interface with an SBE 3 remote temperature sensor The SBE 3 outputs temperature frequency Hz which was appended to the data stream output by the SBE 21 Our software Seasave and SBE Data Processing was designed to apply SBE 3 calibration coefficients to the frequency output to obtain temperature in C ITS 90 The equation used by the software to calculate temperature from the SBE 3 data is Temperature C ITS 90 1 G H n FO F I n7 FO F J in FO F 273 15 where G H I J and FO are SBE 3 calibration coefficients F is frequency output from the SBE 3 A number of years ago Sea Bird began using the SBE 38 as the remote temperature sensor for the SBE 21 thermosalinograph The SBE 38 is an RS 232 sensor It applies its internal calibration coefficients to the raw measurements and outputs temperature in C ITS 90 To maintain compatibility with the existing software algorithms the SBE 21 internally Note converts temperature from the SBE 38 C ITS 90 into a pseudo Support for the SBE 38 as the remote frequency Hz The pseudo frequency is appended to the data stream output temperature sengor forthe SBE 21 by the SBE 21 Our software Seasave and SBE Data Processing then applies was added to Seasave and x s SBE Data Processing in version the SBE 3 calibration equation to the pseudo frequency output to obtain 5 28a released in March
16. Do not contaminate water when cleaning equipment or disposing of equipment washwaters PHYSICAL OR CHEMICAL HAZARDS Do not use or store near heat or open flame Avoid contact with acids and oxidizers DIRECTIONS FOR USE It is a violation of Federal Law to use this product in a manner inconsistent with its labeling For use only in Sea Bird Electronics conductivity sensors Read installation instructions in the applicable Conductivity Instrument Manual 70 Manual revision 028 Appendix IV AF24173 Anti Foulant Device SBE 21 STORAGE AND DISPOSAL PESTICIDE STORAGE Store in original container in a cool dry place Prevent exposure to heat or flame Do not store near acids or oxidizers Keep container tightly closed PESTICIDE SPILL PROCEDURE In case of a spill absorb spills with absorbent material Put saturated absorbent material to a labeled container for treatment or disposal PESTICIDE DISPOSAL Pesticide that cannot be used according to label instructions must be disposed of according to Federal or approved State procedures under Subtitle C of the Resource Conservation and Recovery Act CONTAINER HANDLING Nonrefillable container Do not reuse this container for any purpose Offer for recycling if available Sea Bird Electronics label revised 01 28 10 71 Manual revision 028 Appendix V Replacement Parts SBE 21 H Appendix V Replacement Parts Part POVE oer Quantity in Number Part Applicati
17. Upload ae he ee on started or resumed and every 10 000 Manually entering DDb e does samples thereafter Header includes not produce data with the e header number required header information e month day year hour minute and for processing by SBE second when header was written Data Processing e first and last sample for header e interval between samples SI e reason logging stopped stop cmd sent QL to stop no ext pwr external power below 7 5 volt cutoff Example Upload headers to a file user input in bold Click Capture on Toolbar and enter desired filename in dialog box DH hdr 1 10 Jul 2009 12 30 33 samples 0 to 4 int 60 sec stop stop cmd hdr 2 10 Jul 2009 13 02 12 samples 5 to 10 int 60 sec stop stop cmd Sampling Commands These commands request a single sample The SBE 21 always stores data for Note the most recent sample in its buffer The SBE 21 has a buffer that stores the most recent data SS Output last sample from buffer samples Unlike data in the FLASH memory data in the buffer is erased upon removal or failure of power sample obtained with TS or latest sample from logging TS Sample for 1 second at 4 Hz take 4 samples average data store averaged data in buffer and output averaged data Data is not stored in FLASH memory 36 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Diagnostic Commands The SBE 21 ou
18. archive data for this cast to not save data to a file Real time data will still appear in displays Configuration Options Currently selected instrument configuration xmlcon or con file is shown containing information on number and type of sensors interfacing with SBE 21 calibration coefficients and inclusion of NMEA data with output from SBE 21 To modify input configuration xmlcon or con file serial ports TCP IP ports and or miscellaneous click Configure Inputs To modify outputs serial data output serial ports shared file output mark variables TCP IP output TCP IP ports SBE 14 remote display PC alarms header form and or diagnostics click Configure Outputs e Timeout in seconds at startup Time allowed before first data scan is received from SBE 21 Seasave will time out and stop attempting to acquire data if data is not received from SBE 21 within this time period e Timeout in seconds between scans Maximum gap allowed between scans after first data scan is received from SBE 21 Seasave will time out and stop attempting to acquire data if data is not received from SBE 21 within this time period for example if a problem with power to the SBE 21 interrupts data acquisition Seasave stops attempting to acquire data after this gap Start Real Time Data Acquisition g Data Archiving Options Begin archiving data immediately C Begin archiving data when Start Archiving command is sent C Do not
19. counter clockwise from ground connector Do not connect I O cable to 4 pin SBE 38 connector 1 Ground to ship s hull AG 306 HP SS 11 A D Inputs Single ended Pin Signal OuRWN Common External Voltage 0 External Voltage 3 External Voltage 1 External Voltage 2 Power Out A D Inputs Differential Pin Signal Common Signal External Voltage O Com External Voltage 0 Signal External Voltage 1 Com External Voltage 1 Power Out oOahWN 1 Manual revision 028 Section 2 Description of SBE 21 SBE 21 Data I O The SBE 21 receives set up instructions and outputs diagnostic information or previously recorded data via a three wire RS 232C link and is factory configured for 4800 baud 7 data bits 1 stop bit and even parity SBE 21 RS 232 levels are directly compatible with standard serial interface cards IBM Asynchronous Communications Adapter or equal The communications baud rate can be changed using Baud see Command Descriptions in Section 4 Setting Up SBE 21 Data Storage Note If FLASH memory is filled to capacity sampling and transmission of real time data continue but excess data is not saved in memory The SBE 21 will not overwrite data stored in memory The SBE 21 has a 64 Mbyte FLASH memory See Specifications for storage space required for each parameter Example 1 no auxiliary sensors T amp C 6 bytes sample Storage space 64 000 000 6 10 666 666 samples Example
20. data describing SBE 21 Note e Device type Serial number External sensor types and serial e Manufacturer numbers can be changed in the field e Firmware version to accommodate changes in auxiliary e Firmware date sensors cabled to the SBE 21 e PCB serial number and assembly number Other hardware data is typically not e Manufacture date changed by the user e Internal sensor types and serial numbers e _ External voltage sensor types for example dissolved oxygen fluorometer etc and serial numbers Example user input in bold command used to modify parameter in parentheses gethd lt HardwareData DeviceType SBE21 SerialNumber 02106001 gt lt Manufacturer gt Sea Bird Electronics Inc lt Manufacturer gt lt FirmwareVersion gt 5 0a lt FirmwareVersion gt lt FirmwareDate gt 2 September 2009 09 00 lt FirmwareDate gt lt PCBAssembly PCBSerialNum not assigned AssemblyNum not assigned gt SetPcbSerialNum1 SetPCBAssembly1 lt PCBAssembly PCBSerialNum not assigned AssemblyNum not assigned gt SetPcbSerialNum2 SetPCBAssembly2 lt PCBAssembly PCBSerialNum not assigned AssemblyNum not assigned gt SetPcbSerialNum3 SetPCBAssembly3 lt PCBAssembly PCBSerialNum not assigned AssemblyNum not assigned gt SetPcbSerialNum4 SetPCBAssembly4 lt MfgDate gt 03 february 2008 lt MfgDate gt SetMfgDate lt InternalSensors gt lt Sensor id Main Temperature gt lt t
21. data output from the SBE 21 In the Configure menu select Header Form to customize the header The dialog box looks like this default prompts are shown SS x Prompt for line 1 Bip Prompt far line 2 Cruise Prompttorline 3 fStetion Prompt for line 4 Latitude Prompt for line 5 longitude Prompt for line 6 Ce Promptfor line 7 Pn Promptiorline8 TT Prompt for line 9 Prompt for line 10 Prompttor line 11 po OE Prompttor line 12 oo OE The entries are free form 0 to 12 lines long This dialog box establishes e the header prompts that appear for the user to fill in when uploading data if Prompt for header information was selected in the Configuration Options dialog box Step 3 e the header included with the uploaded data if Include default header form in upload file was selected in the Configuration Options dialog box Step 3 Enter the desired header header prompts Click OK Turn on power to the Interface Box Type to access the setup menu Type and press the Enter key to echo characters from the SBE 21 Type to exit the setup menu Click Connect on the Toolbar or press the Enter key several times If you used Connect on the Toolbar the display looks like this ds Sc21 4300 5 0a 50000 50 6 N This is a factory diagnostic status command and reply The reply indicates instrument serial number 4300 firmware version 5 0a number of samples in memory 50000 number of hea
22. example in Arctic environments or during air shipment can break the cell if it is full of water Valves shown in Normal Use position open horizontal closed vertical SBE 21 Clean the SBE 21 and conductivity cell Monthly during sustained use Before periods of non use If the cell is not rinsed between usage salt crystals may form on the platinized electrode surfaces When the instrument is used next sensor accuracy may be temporarily affected until these crystals dissolve If the data looks incorrect gt Unusually noisy data may be caused by debris going through the cell gt Unusually smooth data may be caused by a blockage in the flow path or in the cell gt Shifted data may be caused by fouling inside the cell Step 1 Flush with Fresh Water and Drain Flush the system with fresh water by placing the SBE 21 valves in the following positions Out open Fresh water in open Salt water in closed Drain closed Place the valves in the following positions and allow the water to drain Out closed Fresh water in closed Salt water in closed Drain open Step 2 Inspect and Clean Water Jacket A Out Fresh water in Salt B water in Drain manifold jacket A B C D CAUTIONS e Do not put a brush or any object inside the conductivity cell to clean it or dry it Touching and bending the electrodes can change the calibration Large bends and mo
23. from the O rings and mating surfaces in the housing with a lint free cloth or tissue Inspect O rings and mating surfaces for dirt nicks and cuts Clean or replace as necessary Apply a light coat of O ring lubricant Parker Super O Lube to O rings and mating surfaces Sensor Calibration Note After recalibration Sea Bird ships the instrument back to the user with Calibration Certificates showing the new coefficients We also ship a new instrument configuration con file which includes the new coefficients Sea Bird sensors are calibrated by subjecting them to known physical conditions and measuring the sensor responses Coefficients are then computed which may be used with appropriate algorithms to obtain engineering units The conductivity and temperature sensors on the SBE 21 are supplied fully calibrated with coefficients printed on their respective Calibration Certificates see back of manual We recommend that the SBE 21 s sensor electronics module be returned to Sea Bird for calibration see Removing Sensor Electronics Module from SBE 21 above 57 Manual revision 028 Section 7 Routine Maintenance and Calibration SBE 21 Conductivity Sensor Calibration The conductivity sensor incorporates a fixed precision resistor in parallel with the cell When the cell is dry and in air the sensor s electrical circuitry outputs a frequency representative of the fixed resistor This frequency is recorded on t
24. logging e AD7714 timeout response from voltage channel A D converter delayed typically if woke up to send a command while logging e FLASH out of memory all available memory space is used autonomous sampling continues but no additional data written to FLASH does not overwrite e FLASH correctable error single bit error in a page corrects itself does not affect data e FLASH ECC error does not affect data e FLASH timeout problem with FLASH e FLASH ready problem with FLASH timeout error e FLASH erase failed problem with FLASH e FLASH write failed problem with FLASH e FLASH uncorrectable problem with FLASH 2 or more bits of errors in a page e FLASH block overrun problem with FLASH e New bad block problem with FLASH FLASH write or erase failed or a FLASH uncorrectable error getec lt EventCounters DeviceTyp lt EventSummary numEvents lt Event type powerfail lt EventCounters gt Example user input in bold command used to modify parameter in parentheses SBE21 SerialNumber 02106001 gt EDETS count 1 gt can clear with ResetEC ResetEC 28 Delete all events in event counter number of events displays in GetSD response and event details display in GetEC response Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Status Commands continued GetHD Get and display hardware data which is fixed
25. message until a new message is decoded e Example A device outputs its NMEA message once every 5 seconds The Yellow TX NMEA LED flashes every 5 seconds and the same message is appended to each scan of SBE 21 data within that 5 seconds The Interface Box has three operating modes and two diagnostic modes as well as two NMEA depth options and selections for setting and displaying communication parameters and start up behavior Mode is selected in the setup menu while communicating with the Interface Box with Seaterm see Setting Up and Testing NMEA below 43 Manual revision 028 Section 5 Setting Up NMEA Interface SBE 21 Type Mode Description Notes Characters to and from SBE 21 pass through Interface e In Seaterm use the 1 Echo only Box No NMEA data is sent Useful for setting up SBE character to access and 21 exit the setup menu To enter diagnostic 2 Add Lat Lon to hex Seven bytes of hex latitude longitude data is added to each line of hex data from SBE 21 Used when position data is ra E a a oe da required with SBE 21 data Mode 3 Then enter an 8 Ooemih Data from SBE 21 is not transmitted Hex or 9 at the mode P latitude longitude data is converted to ASCII text selection prompt whenever a new position is received from NMEA device To exit diagnostic modes Format is 8 and or 9 turn off 3 Transmit Lat Lon LAT 47 37 51 N only power to the Interface Box LON 122 09 41 W If NMEA m
26. on the open Setup in Seaterm in Section 4 Setting Up SBE 21 SEACAT Data I O connector may interfere with communication with 2 the Interface Box i Turn on power to the Interface Box The display looks like this Interface box V 3 1b setup PC baud rate 9600 SEACAT baud rate 4800 7 data bits even parity NMEA baud rate 4800 start mode echo characters to and from the instrument NMEA message to decode GGA GLL RMA RMC TRF DBT DPT Press to change the interface box setup 44 Manual revision 028 Section 5 Setting Up NMEA Interface SBE 21 Note If you select option 4 you have a NMEA depth device as well as a NMEA position device the mode 2 description changes to 2 Add Lat Lon Depth to the real time HEX data from the instrument Notes e The NMEA baud rate is limited to 4800 or 9600 e See the Interface Box manual for changing any communications settings other than the NMEA baud rate 3 Type to access the setup menu The display looks like this Interface Box set up menu Modes 1 Echo characters to and from the instrument 2 Add Lat Lon to the real time HEX data from the instrument 3 Transmit Lat Lon only Options 4 Add NMEA Depth to the real time HEX Lat Lon data 5 Do not add NMEA Depth to the real time HEX Lat Lon data Communications 6 Change communication settings and start mode 7 Display communication settings and start mode Diagnostics 8 enable diagno
27. return an S gt prompt after executing a command press the Enter key to get the S gt prompt If a new command is not received within 2 minutes after completion of a command the SBE 21 sends a message lt ERRORType TIMEOUT msg NO COMMAND RECEIVED gt and returns to the quiescent sleep state If in quiescent state re establish communications by clicking Connect on the Toolbar or pressing the Enter key If the SBE 21 is logging and transmitting data and you want to send a command press the Esc key or click Stop on the Toolbar or type Ctrl C and then press the Enter key This temporarily stops logging that is in progress and allows you to enter a limited number of commands GetCD GetSD GetCC GetEC ResetEC GetHD DS DCal SS TS QL and QS can be entered while logging After 30 seconds elapses without transmission of a command logging resumes The SBE 21 cannot have samples with different scan lengths more or fewer data fields per sample in memory If the scan length is changed by commanding it to add or subtract a data field such as an external voltage the SBE 21 must initialize logging Initializing logging sets the sample number and header number to 0 so the entire memory is available for recording data with the new scan length Initializing logging should only be performed after all previous data has been uploaded Therefore commands that change the scan length SV x and SBE38 prompt the user for verificati
28. revision 028 Section 4 Setting Up SBE 21 SBE 21 9 Ifthe status reply indicates that the SBE 21 is logging command the SBE 21 to stop logging by pressing the Enter key and sending QL You may need to send QL several times before the SBE 21 responds ql logging stopped stop command 10 Command the SBE 21 to take a sample by typing TS and pressing the Enter key The display looks like this if output format SBE 21 number of volts sampled 0 and no external temperature sensor 78610428 where 7861 raw Hex temperature data 0428 raw Hex conductivity data See Data Formats to interpret the data and determine if they are reasonable i e room temperature and zero conductivity if running in air or expected temperature and conductivity for water 11 Set up the SBE 21 as desired see Command Descriptions 12 Command the SBE 21 to go to sleep quiescent state by typing QS and pressing the Enter key 13 Turn off power to the Interface Box 23 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Command Descriptions This section describes commands in detail and provides examples of their use See Appendix III Command Summary for a summarized command list Commands are entered in Seaterm When entering commands Input commands in upper or lower case letters and register commands by pressing the Enter key The SBE 21 sends an error message if an invalid command is entered if OutputExecutedTag N If the SBE 21 does not
29. sends a command s to put the Interface Box in Mode 1 do not transmit NMEA data Mode 2 append NMEA position data to SBE 21 data or Mode 2 with Option 4 append NMEA position data to CTD data and also append NMEA depth data depending on the setup of the SBE 21 configuration file C Ifyou selected Check Scan Length in the Options menu Seasave checks the xmlcon or con file to verify that the scan length defined by the configuration file matches the SBE 21 i e number of sensors and inclusion of NMEA is as defined in the file Ifa Scan length error appears verify that e You are using the correct xmlcon or con configuration file e The configuration file has been updated as necessary if you added or deleted sensors added or deleted NMEA etc D Seasave sends a message Waiting for data Seasave will time out if data is not received within Timeout in seconds at startup E Real time data then starts appearing in the screen display s 6 To stop real time data acquisition In the Real Time Data menu select Stop 7 Close Seasave 8 Double click on SeaTerm exe A Establish communications with the SBE 21 by pressing the Enter key several times B Send QL to stop logging You may need to send QL several times before the SBE 21 responds ql logging stopped stop command C Ifyou want to upload data from the SBE 21 s memory now see Uploading SBE 21 Data from Memory below D Send QS to place the SBE 21 in quiescen
30. the decimal equivalent of the hex data in the equations 1 Temperature temperature frequency Hz tttt 19 2100 2 Conductivity conductivity frequency Hz square root ccce 2100 6250000 3 SBE 38 secondary temperature if SBE38 Y SBE 38 temperature psuedo frequency Hz rrrrrr 256 4 External voltage 0 if 1 or more external voltages defined with SV x external voltage 0 volts uuu 819 5 External voltage 1 if 2 or more external voltages defined with SV x external voltage 1 volts vvv 819 6 External voltage 2 if 3 or more external voltages defined with SV x external voltage 2 volts www 819 7 External voltage 3 if 4 external voltages defined with SV x external voltage 3 volts xxx 819 Example SBE 21 with SBE 38 and two external voltages sampled example scan ttttecccrrrrrruuuvvv A80603DA1B58001F5A21 e Temperature tttt A806 43014 decimal temperature frequency 43014 19 2100 4363 89 Hz e Conductivity ccce 03DA 986 decimal conductivity frequency square root 986 2100 6250000 2884 545 Hz e SBE 38 rrrrrr 1B5800 1 792 000 decimal temperature pseudo frequency Hz 1 792 000 256 7000 Hz e First external voltage uuu 1F5 501 decimal voltage 501 819 0 612 volts e Second external voltage vvv A21 2593 decimal voltage 2593 819 3 166 volts 41 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Notes on SBE
31. up to 2 amps 18 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Section 4 Setting Up SBE 21 This section describes Setting communications parameters in the Interface Box Testing power and communications and setting up the SBE 21 in Seaterm Command descriptions Setting up the configuration xmlcon or con file in Seasave Data format Setting Communications Parameters in Interface Box Notes e Although baud rates may be set higher than the factory defaults some users experience dropped characters with higher baud rates The baud rate between the Interface Box and computer must be equal to or higher than the baud rate between the SBE 21 and Interface Box The PN 90488 Interface Box is shipped with default communication settings that are compatible with operation with the SBE 21 9600 baud for Interface box to computer 4800 baud for SBE 21 to Interface Box 7 data bits even parity SBE 21 to Interface Box and Interface Box to computer 4800 baud for NMEA device to Interface Box If you want to change these settings or you are using an Interface Box that was set up for use with a different CTD see the Interface Box manual for details on changing communication settings Power and Communications Test and SBE 21 Setup in Seaterm 1 Wire the SBE 21 to the Interface Box wire the Interface Box to the computer and provide power to the Interface Box as described in Electrical Installat
32. used to modify parameter e Device type Serial number e Date and time DateTime in ISO8601 2000 extended format yyyy mm ddThh mm ss e Logging status not logging logging or unknown status e Number of recorded events in event counter reset with ResetEC e Voltages and currents External power Back up lithium battery voltage Operating current External voltage sensor current displays only if 1 or more voltage channels enabled RS 232 sensor current displays only if channel enabled e Memory reset with IL Number of bytes in memory Number of samples in memory Number of additional samples that can be placed in memory Length number of bytes of each sample getsd lt StatusData DeviceType SBE21 SerialNumber lt DateTime gt 2009 12 22T10 53 03 lt DateTime gt lt LoggingState gt not logging lt LoggingState gt lt EventSummary numEvents 0 gt lt Power gt lt vMain gt 11 5 lt vLith gt lt vLith gt 8 9 lt vLith gt lt iMain gt 61 9 lt iMain gt lt iExt gt 67 2 lt iExt gt lt iSerial gt 67 2 lt iSerial gt lt Power gt lt MemorySummary gt lt Bytes gt 0 lt Bytes gt lt Samples gt 0 lt Samples gt lt SamplesFree gt 3870479 lt SamplesFree gt lt SampleLength gt 17 lt SampleLength gt lt MemorySummary gt lt StatusData gt Example user input in bold command used to modify parameter in parentheses 02106001 gt DateTime
33. water supply B Connect the Fresh Water In fitting to the shipboard fresh water supply C Connect the Salt Water In fitting to the shipboard sea surface water intake line D Connect the Drain fitting to shipboard drain Set the valves as described in the following table The valve is open when the handle is horizontal and closed when the handle is vertical Normal Fresh Storage Cleaning or Valve Use Water Removal of Flushing Sensor Electronics Module Out Open Open Closed Fresh Water In Closed Open Closed Salt Water In Open Closed Closed Drain Closed Closed Closed jacket 16 Manual revision 028 Section 3 Installing System SBE 21 Electrical Installation Note The Interface Box is included with the SBE 21 order If testing the SBE 21 without the Interface Box provide 9 14 VDC power CAUTION Do not use WD 40 or other petroleum based lubricants as they will damage the connector Note Follow the procedure in Steps 2A through 2E for proper installation of all cables with similar connectors SBE 38 Connector Pin Signal 1 Common 2 RS 232 Data transmit to SBE 38 3 RS 232 Data receive from SBE 38 4 Power to SBE 38 XSG 4 BCL HP SS Connecting SBE 21 to Interface Box 1 Locate the Interface Box near the computer If the distance between the SBE 21 and Interface Box is longer than the provided 10 meter I O cable cut the cable and splice it into the ship
34. 2 4 external voltages SBE 38 remote temperature sensor T amp C 6 bytes sample External voltages 2 bytes sample x 4 voltages 8 bytes sample SBE 38 3 bytes sample Storage space 64 000 000 6 8 3 3 764 705 samples Remote Temperature Sensor optional Note Sea Bird software Seasave real time data acquisition and SBE Data Processing s Data Conversion and Derive modules uses the data from the SBE 21 s temperature sensor to calculate salinity and then uses that salinity with the temperature from the remote temperature sensor to calculate density and sound velocity The SBE 21 can record the output of an external SBE 38 temperature sensor Often the SBE 21 is mounted in the interior of the vessel In this configuration the recorded conductivity is correct but the water temperature changed as it passed through the plumbing system The SBE 38 can be placed in a location that provides more accurate measurement of the sea surface water temperature The ideal location for the SBE 38 is at the seawater intake before the pump near the bow of the ship This minimizes contamination of the surface temperature measurement by the ship s own thermal mass To compute salinity always use the data from the temperature sensor on the SBE 21 not from the SBE 38 Conductivity has a strong thermal coefficient therefore it is critical to know the temperature of the water when the conductivity sensor samples it in
35. 2003 temperature in C ITS 90 The coefficients used to generate the pseudo frequency for the SBE 38 in the SBE 21 and then to decode the pseudo frequency in our software are constant G 4 0e 3 H 2 0e 4 1 0 0 J 0 0 FO 1000 0 When the SBE 38 is selected as the external temperature sensor for the SBE 21 in Seasave or SBE Data Processing the software automatically enters these G H I J and FO coefficients in the xmlcon or con file The software calculates temperature from the pseudo frequency with the standard SBE 3 calibration equation and the above calibration coefficients Example SBE 21 with SBE 38 SBE 38 outputs 3 7956 C to SBE 21 and SBE 21 converts this to a pseudo frequency using the equation Temperature C ITS 90 1 G H n FO F I n FO F J n FO F 273 15 C where G 4 0e 3 H 2 0e 4 I 0 0 J 0 0 FO 1000 0 Substituting into the equation 3 7956 1 4 0e 3 2 0e 4 n 1000 F 273 15 C Solving for F F 7000 Hz SBE 21 multiplies this by 256 for appending to the data stream 7000 x 256 1 792 000 decimal 1B5800 Hex Looking at output scan from SBE 21 ttttecccrrrrrr A80603DA1B5800 SBE 38 rrrrrr 1B5800 1 792 000 decimal Using the data output equations from the previous page temperature pseudo frequency Hz 1 792 000 256 7000 Hz Sea Bird software applies SBE 3 calibration equation to SBE 38 pseudo frequency output Temperature
36. 3 Installing System 8 Manual revision 028 Section 2 Description of SBE 21 SBE 21 Notes Help files provide detailed information on the software Separate software manuals contain detailed information on Seasave V7 and SBE Data Processing Sea Bird also supplies an older version of Seasave Seasave Win32 However all Seasave instructions in this manual are written for Seasave V7 See Seasave Win32 s manual and or Help files if you prefer to use the older software Sea Bird supplies the current version of our software when you purchase an instrument As software revisions occur we post the revised software on our website See our website for the latest software version number a description of the software changes and instructions for downloading the software An SBE 21 is supplied with e Bulkhead connectors gt one 4 pin I O connector gt one 6 pin connector for A D inputs four single ended or two differential channels customer selects desired configuration at time of purchase gt one 4 pin connector for remote temperature sensor gt one l pin connector for ground to ship s hull 64 Mbyte FLASH RAM memory Anti foulant device attachments and expendable AF24173 Anti Foulant Devices on each end of the conductivity cell e PN 90488 SeaCAT Sealogger RS 232 and Navigation Interface Box providing power to the SBE 21 an optically isolated RS 232 interface a NMEA 0183 input port for NMEA data an
37. 66 Manual revision 028 Appendix Ill Command Summary SBE 21 CATEGORY COMMAND DESCRIPTION Note DDb e Upload data beginning with scan b ending with Use Upload on the Data Upload 3 scan e Stop logging before sending DDb e Toolbar or Upload Data DH Upload all headers Stop logging before sending DH in the Data menu to SS Output last sample from buffer upload data that will be Sampling TS Take sample store data in buffer but not in FLASH processed by SBE Data memory output data Processing Manually Display frequencies raw temperature A D counts entering DDb e does not Diagnostics raw conductivity frequency temperature frequency produce data with the Outputs FR converted to match older SBE 21 firmware version required header 100 samples for lt 4 0 and conductivity frequency converted to information for processing each een match older SBE 21 firmware version lt 4 0 by SBE Data Processing pena m Display voltages with offset and scale factors memory Press VR applied external auxiliary sensor voltage 0 L 2 Esc key or Stop and 3 external power voltage 11 back up lithium button to stop battery voltage 3 741 operating current 333 33 test T38 Display output from SBE 38 remote temperature sensor Voffset0 VSlope0 Calibration Voffsetl VSlopel E Coefficients Voffset2 VSlope2 Sk Voffset3 VSlope3 Factory settings do not modify in the field SetMfgDate SetPcbSerialNum1 SetPcbSerialINum2
38. BE 16plus V2 moored applications SBE 19plus V2 profiling or moored applications and SBE 21 thermosalinograph no pressure Seasave V7 Sea Bird s Windows software used to acquire convert and display real time or archived raw data Seasoft V2 Sea Bird s complete Windows software package which includes software for communication real time data acquisition and data analysis and display Seasoft V2 includes Seaterm Seasave V7 SBE Data Processing Seaterm Sea Bird s Windows terminal program used to communicate with the Interface Box and SBE 21 Seaterm can send commands to the SBE 21 through the Interface Box to provide status display data acquisition setup data display and capture data upload from memory and diagnostic tests Super O Lube Silicone lubricant used to lubricate O rings and O ring mating surfaces Super O Lube can be ordered from Sea Bird but should also be available locally from distributors Super O Lube is manufactured by Parker Hannifin www parker com ead cm2 asp cmid 3956 TCXO Temperature Compensated Crystal Oscillator Triton X 100 Reagent grade non ionic surfactant detergent used for cleaning the conductivity cell Triton can be ordered from Sea Bird but should also be available locally from chemical supply or laboratory products companies Triton is manufactured by Avantor Performance Materials www avantormaterials com commerce product aspx id 2 147509608 62 Manua
39. C ITS 90 calculated by Sea Bird software 1 G H n FO F I n FO F J In FO F 273 15 C where G 4 0e 3 H 2 0e 4 I 0 0 J 0 0 FO 1000 0 Temperature C ITS 90 calculated by Sea Bird software 1 4 0e 3 2 0e 4 n 1000 7000 273 15 C 3 7956 C temperature directly output from SBE 38 42 Manual revision 028 Section 5 Setting Up NMEA Interface SBE 21 Section 5 Setting Up NMEA Interface NMEA Operating Modes The PN 90488 SeaCAT Sealogger RS 232 and Navigation Interface Box includes a NMEA 0183 Interface that permits NMEA data latitude and longitude and depth to be merged with SBE 21 data The Interface Box decodes messages that are output from devices supporting NMEA 0183 protocol transmitting at 4800 or 9600 baud 8 data bits no parity and 1 stop bit A complete description of the Interface Box specifications setup troubleshooting data format and NMEA simulation programs is provided in a separate manual However setup information is repeated in this section for ease of use Decoded NMEA data can be appended to the end of the SBE 21 data stream in the Interface Box and passed to the computer for storage and or display NMEA data format is detailed in the Interface Box manual The Interface Box s Yellow TX NMEA LED flashes each time a NMEA message is received should be the same rate at which the NMEA device is transmitting The Interface Box appends the same NMEA
40. E 21 When integrating auxiliary sensors with the SBE 21 consider the following issues gt Install the sensors in a flow through chamber that receives the outflow from the SBE 21 gt Design the flow through chamber so sensors can be removed and replaced for service and calibration gt Protect auxiliary sensors from bio fouling 15 Manual revision 028 Section 3 Installing System SBE 21 Mechanical Installation Backplate Valves shown in Normal Use position Fresh water Inc Salt water In C gt Drain manifold A new SBE 21 is shipped with AF24173 Anti Foulant Devices pre installed Verify that the Devices are installed see Removing Sensor Electronics Module from SBE 21 Water Jacket in Section 7 Routine Maintenance and Calibration and Appendix IV AF 24173 Anti Foulant Device Mount the SBE 21 at the desired location e Orient the SBE 21 with the bulkhead connectors at the top e Provide minimum top clearance of 559 mm 22 inches for removal of the sensor electronics module from the water jacket e Drill the PVC base or back plate and mount to the ship using machine bolts Install the piping connections to the SBE 21 The connectors are 1 inch 25 4 mm National USA threads Female mating fittings suitable for connecting to PVC plastic pipe with glue are provided they may be modified for use with existing piping A Connect the Out fitting to the shipboard drain or to the low pressure side of salt
41. Please contact us with any comments or suggestions seabird seabird com or 425 643 9866 Our business hours are Monday through Friday 0800 to 1700 Pacific Standard Time 1600 to 0100 Universal Time in winter and 0800 to 1700 Pacific Daylight Time 1500 to 0000 Universal Time the rest of the year Manual revision 028 Section 1 Introduction SBE 21 Unpacking SBE 21 Shown below is a typical SBE 21 shipment Grounding cable from SBE 21 I O cable SBE 21 to Interface Box bes 4 pin RMG 4FS pigtail with locking sleeve from SBE 21 to Interface Box PN 90488 AC power cable for SeaCAT Sealogger Interface Box I O cable RS 232 and Navigation Interface Box to computer Interface Box 4 pin 50369 5 pin i MS connector MS connector NMEA Interface test cable assembly assembly Cell cleaning solution Interface Box to NMEA device for SEACAT data for NMEA Input Triton X 100 simulation computer I O connector on connector on Interface Box Interface Box Jackscrew kit Software and Electronic Copies of Software Manuals and User Manual Manual revision 028 Section 2 Description of SBE 21 SBE 21 Section 2 Description of SBE 21 This section describes the functions and features of the SBE 21 including specifications and dimensions System Description Note Seasave 7 18 or later also supports acquisition of data from a NMEA device connected directly to the computer instead
42. QUATIC ORGANISMS WITHIN ELECTRONIC CONDUCTIVITY SENSORS ACTIVE INGREDIENT Bis tributyltin OXide 00 cc cece cece nee ce eee ne eee eee res 53 0 OTHER INGREDIENTS sA niea eNA eee geia 47 0 TO I aaa n aan eein a AA T E EnO AA 100 0 DANGER See Precautionary Statements for additional information FIRST AID If on skin or Take off contaminated clothing clothing Rinse skin immediately with plenty of water for15 20 minutes Call a poison control center or doctor for treatment advice If swallowed Call poison control center or doctor immediately for treatment advice Have person drink several glasses of water Do not induce vomiting Do not give anything by mouth to an unconscious person If in eyes Hold eye open and rinse slowly and gently with water for 15 20 minutes Remove contact lenses if present after the first 5 minutes then continue rinsing eye Call a poison control center or doctor for treatment advice HOT LINE NUMBER Have the product container or label with you when calling a poison control center or doctor or going for treatment For further information call National Pesticide Telecommunications Network NPTN at 1 800 858 7378 Net Contents Two anti foulant devices Sea Bird Electronics Inc EPA Registration No 74489 1 13431 NE 20 Street EPA Establishment No 74489 WA 1 Bellevue WA 98005 69 1 Manual revision 028 Appendix IV AF24173 Anti Foulant Device SBE 21 PRECAUTIONARY STATEMENTS
43. SBE Se2 Bird S EA B R D cocecece Electronics SBE 21 SeaCAT Thermosalinograph Conductivity and Temperature Recorder with RS 232 Interface Manual version e 028 Firmware version e SBE 21 5 0a amp later e 90488 Interface Box 3 1b amp later Software versions e Seasave V7 7 23 2 amp later e SBE Data Processing 7 23 2 amp later CE i Sea Bird Electronics Tel 1 425 643 9866 13431 NE 20th Street seabird seabird com Bellevue Washington www seabird com 98005 USA Limited Liability Statement Extreme care should be exercised when using or servicing this equipment It should be used or serviced only by personnel with knowledge of and training in the use and maintenance of oceanographic electronic equipment SEA BIRD ELECTRONICS INC disclaims all product liability risks arising from the use or servicing of this system SEA BIRD ELECTRONICS INC has no way of controlling the use of this equipment or of choosing the personnel to operate it and therefore cannot take steps to comply with laws pertaining to product liability including laws which impose a duty to warn the user of any dangers involved in operating this equipment Therefore acceptance of this system by the customer shall be conclusively deemed to include a covenant by the customer to defend indemnify and hold SEA BIRD ELECTRONICS INC harmless from all product liability claims arising from the use or servicing of this system Manual revision 028 De
44. SBE 21 as close to the seawater intake as possible to avoid thermal contamination of long plumbing runs Thermal contamination will not affect salinity accuracy but the SBE 21 will report the temperature of the water when it reaches the instrument gt Ifthe remote temperature sensor is used the SBE 21 can be mounted in the ship s lab or other convenient location gt The maximum recommended cable length from the SBE 21 to the Interface Box is 100 meters Sea Bird does not recommend or supply a pump The pump should be able to provide 1 liter second 15 8 gallons minute flow Pressure at the SBE 21 is limited to 34 5 decibars 50 psi Bubbles in the plumbing of a flow through system are a common problem and will cause noisy salinity data To minimize bubbles gt Place the pump below the water line to push rather than pull the water gt Locate the SBE 21 s hull intake as deep as possible as far as possible from bubble sources bow wake propeller etc Depending on the chosen design of a permanent seawater supply including pump intake fitting pipes etc a de bubbling device may be needed to separate bubbles from the water before it enters the SBE 21 Note that a de bubbler may cause additional temperature errors for the SBE 21 s primary temperature sensor salinity accuracy and accuracy of an optional remote temperature sensor is not affected Not all ships require de bubblers but many do for best quality salinity data
45. SLOPE gt 1 260977e 00 lt SLOPE gt VSlope0 lt Calibration gt lt Calibration format VOLTO id Volt 1 gt lt OFFSET gt 4 728750e 02 lt OFFSET gt Voffset1 lt SLOPE gt 1 259474e 00 lt SLOPE gt VSlopel lt Calibration gt lt Calibration format VOLTO id Volt 2 gt lt OFFSET gt 4 715313e 02 lt OFFSET gt Voffset2 lt SLOPE gt 1 259946e 00 lt SLOPE gt VSlope2 lt Calibration gt lt Calibration format VOLTO id Volt 3 gt lt OFFSET gt 4 772396e 02 lt OFFSET gt Voffset3 lt SLOPE gt 1 260486e 00 lt SLOPE gt VSlope3 lt Calibration gt lt Calibration format CFO id conductivity zero frequency gt lt CFO gt 2 689054e 03 lt CF0 gt lt Calibration gt lt CalibrationCoefficients gt 27 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Status Commands continued GetEC Get and display event counter data which can help to identify root cause of a malfunction Event counter records number of occurrences of common timeouts power on resets etc Can be cleared with ResetEC Possible events that may be logged include e Power fail external power below voltage cutoff e EEPROM read or EEPROM write all power removed external power removed and back up lithium batteries are dead e AD7730 timeout response from temperature A D converter delayed typically if woke up to send a command while
46. Temperature this CTD Ctrl F7 is pressed or Add to nav ech on es P Open to select different File is clicked 2 Frequency Conductivity xmlcon or con file Note NMEA time can only be ce Save or Save As to appended if NMEA device 3 Serial RS 232 Temperature SBE 38 la save current xmlcon or connected directly to computer 4 A D voltage 0 pH con file settings Shaded sensors cannot be removed or changed to another type of sensor All others are optional Click a non shaded sensor and click Select to pick a different sensor for that channel A dialog box with a list of sensors appears Select sensors Click a sensor and after number of voltage and frequency channels have been specified above Modit click Modify to change calibration coefficients Report Help Exit Cancel for that sensor 4 Click Save or Save As to save any changes to the xmlcon or con file Click Exit when done reviewing modifying the configuration 40 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Data Formats Note SBE 21 always outputs an even number of voltage characters If you enable 1 or 3 voltages it adds a 0 to the data stream before the last voltage as shown below e Remote temperature and 1 voltage enabled ttttecccrrrrrrOuuu or ttttccccrrrrrrOuuunnnn e Remote temperature and 3 voltages enabled tttteccerrrrrruuuvvvOWww ttttcccerrrrrreuuuvvvOWwwnnnn Notes e Sea Bird s s
47. a con or xmicon file and to save it to a con or xmlcon file Seasave and SBE Data Processing use the same file A new or recalibrated instrument ships with a configuration file that reflects the current configuration as we know it The file is named with the instrument serial number followed by a con extension For example for an instrument with serial number 2375 Sea Bird names the file 2375 con You may rename the file but not the extension if desired this will not affect the results See Notes on SBE 38 Remote Temperature Data Format for details on how the software handles SBE 38 data Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Checking SBE 21 Configuration xmicon or con File in Seasave Seasave our real time data acquisition and display program requires a configuration file which defines the instrument auxiliary sensors integrated with the instrument and channels serial numbers and calibration dates and coefficients for all the integrated sensors conductivity and temperature as well as auxiliary sensors Seasave as well as our data processing software uses the information in the configuration file to interpret and process the raw data If the configuration file does not match the actual instrument configuration the software will not be able to interpret and process the data correctly The configuration file must indicate if NMEA position and depth data are being added to the SBE 21 data b
48. aded from SBE 21 memory to a cnv engineering units file in SBE Data Processing s Data Conversion module To convert the hex file you need a xmlcon or con configuration file which defines the instrument integrated sensors and channels serial numbers and calibration dates and coefficients for all sensors conductivity and temperature as well as auxiliary sensors SBE Data Processing uses the configuration file information to interpret and process the raw data The xmlcon or con file can be set up in SBE Data Processing or in Seasave see Checking SBE 21 Configuration xmlcon or con File in Seasave in Section 4 Setting Up SBE 21 for a description of the entries 2 Once the data is converted perform further processing align filter remove bad data etc calculate derived variables and plot data using SBE Data Processing s other modules Editing Raw Data File Sometimes users want to edit the raw hex data file before beginning processing to remove data at the beginning of the file corresponding to instrument soak time to remove blocks of bad data to edit the header or to add explanatory notes Editing the raw hex file can corrupt the data making it impossible to perform further processing using Sea Bird software We strongly recommend that you first convert the data to a cnv file using Data Conversion in SBE Data Processing and then use other SBE Data Processing modules to edit the cnv file as desired T
49. age x x Y Set SBE 21 to sample continuously at 4 Hz and average samples taken within each sample interval SI seconds store averaged data in memory and transmit averaged data real time x N Set SBE 21 to take 1 sample every sample interval SI seconds store data in memory and transmit data real time SI x x interval seconds between samples or sample averages 3 600 seconds IL After all data uploaded send IL before starting to log to make entire memory available for recording Equivalent to SampleNumber 0 and HeaderNumber 0 SampleNumber x x sample number for first sample when logging begins After all data has been uploaded set to 0 before starting to log to make entire memory available for recording HeaderNumber x GL x header number for first header when logging begins Start logging now SBE 21 requests verification SBE 21 starts logging at beginning of memory overwriting any samples and headers in memory RL Resume logging now placing data in memory after last sample SBE 21 does not overwrite samples or headers in memory AutoRun x x Y Automatically start logging when power applied placing data in memory after last sample SBE 21 does not overwrite any samples or headers in memory x N Do not automatically start logging when power applied QL Stop logging Press Enter key before entering QL Must stop logging before uploading data
50. ant Device for handling details 56 Manual revision 028 Section 7 Routine Maintenance and Calibration CAUTION To remove the electronics from the housing for troubleshooting see Appendix II Electronics Disassembly Reassembly SBE 21 Step 4 Reinstall Sensor Electronics Module A See Removing Sensor Electronics Module from SBE 21 Water Jacket for details on reinstalling the module B Ifyou will not be immediately using the SBE 21 leave all the valves in the closed position For Normal use place the valves in these positions Out open Fresh water in closed Salt water in open Drain closed If the data still looks incorrect after cleaning it may be caused by e aproblem with the electrical connections e aproblem with the PCBs inside the sensor electronics module housing e internal fouling in the conductivity cell that was not removed by flushing e sensors that need to be recalibrated O Ring Maintenance Note For details on recommended practices for cleaning handling lubricating and installing O rings see the Basic Maintenance of Sea Bird Equipment module in the Sea Bird training materials on our website CAUTION Do not use Parker O Lube which is petroleum based use only Super O Lube Recommended inspection and replacement schedule e SBE 21 s O rings are not normally disturbed We recommend inspection and replacement approximately every 3 to 5 years Remove any water
51. archive data for this cast Qutput data HEX file C Documents and Settings dbresko My Documents 1 Splustest hex Click Select Output Data File Name Save Archived Data As dialog box appears browse Select Output Data File Name to desired file location enter desired file name and click Save Configuration Options Instrument configuration xmlcon or con file to change select Configure Inputs Cs 21 Goin Configure Inputs Configure Outputs Appears only if xmicon or con o file indicates that NMEA data is 20 imeout in seconds at startup added roddi deek uni interface box If selected Timeout in seconds between scans Seasave resets deck unit to State 1 when acquisition stops State 1 is Echo only mode no NMEA data is sent and is useful for setting up SBE 21 Reset deck unit to state 1 when acquisition stops Report Help Start Exit Cancel 48 Manual revision 028 Section 6 Operating System SBE 21 5 Inthe Start Real Time Data Acquisition dialog box click Start A Ifyou selected Begin archiving data immediately or Begin archiving data when Start Archiving command is sent above and selected Prompt for Header Information in the Header Form setup Configure Outputs the Header Information dialog box appears Fill in the desired header and click OK B Ifyou selected NMEA position data added in the xmlcon or con file Seasave initializes NMEA communications Seasave automatically
52. ation that if using a remote Temperature sensor Seasave Data Conversion amp Derive all use remote Temperature data along with salinity calculated from 21 s Conductivity and Temperature sensors when calculating density and sound velocity e Update PN for cable from Interface Box to computer e Add PN for back up lithium batteries e Delete reference to specific types of A D voltage sensors e g DO pH etc that can be integrated 021 10 05 Reflect compatibility with NMEA depth data input to 90488 Interface Box Continued on next page 74 Manual revision 028 Appendix VI Manual Revision History SBE 21 Continued from previous page 022 03 07 e Incorporate Seasave V7 e Update con file screen capture to show scan time added field e Update PN of AF24173 to 801542 e Update Triton website info 023 01 09 e Update con file screen capture for Seasave SBE Data Processing 7 18 e Add note that NMEA can go directly to PC e Update anti foulant device fitting photo with black parts e VR remove 8 pressure temperature voltage e Add information about software compatibility with Vista e Upgrade interface box firmware to 3 1 024 03 09 Update for Interface Box firmware 3 1a add option for starting up in mode 2 instead of mode 1 e Add note that Interface Box must be in Mode 1 characters to from CTD passing through if trying to send commands to SBE 21 e Add troubleshooting i
53. can clear with ResetEC can clear with IL can clear with IL can clear with IL 26 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Status Commands continued Note Calibration coefficients for the conductivity and primary temperature sensor and for any auxiliary sensors are stored in the SBE 21 s configuration xmlcon or con file View and or modify the calibration coefficients using the Configure menu in SBE Data Processing or Seasave see Checking SBE 21 Configuration xmlcon or con File in Seasave Get and display calibration coefficients Voltage 0 1 2 and 3 channel offset and slope as determined at Sea Bird Output voltage slope calculated V from sensor equation offset conductivity zero frequency characteristic frequency of conductivity sensor for 0 conductivity as determined at Sea Bird from a cell thoroughly rinsed in distilled or de ionized water with all the water shaken out Zero frequency that has changed by a few tenths of a Hz indicates a dirty cell Zero frequency that has changed by more may indicate a cell that is damaged or considerably out of calibration Example SBE 21 user input in bold command used to modify coefficient in parentheses getcc lt CalibrationCoefficients DeviceType SBE21 SerialNumber 02106001 gt lt Calibration format VOLTO id Volt 0 gt lt OFFSET gt 0 000000e 00 lt OFFSET gt VOffset0 lt
54. claration of Conformity SBE 21 Declaration of Conformity Sea Bird Electronics Inc 13431 NE 20 Street Bellevue WA 98005 USA DECLARATION OF CONFORMITY Manufacturer s Name Sea Bird Electronics Manufacturer s Address 13431 NE 20 Street Bellevue WA 98005 USA The Authorized Representative located within the Community is OTT MESSTECHNIK GmbH amp Co KG P O Box 2140 87411 Kempten Germany Ludwigstrasse 16 87437 Kempten Internet http www ott com Phone 49 831 5617 100 Fax 49 831 5617 209 Device Description Various Data Acquisition Devices and Sensors Model Numbers 3S 3F 3plus 4M 5T 5P 5M t 8 9plus 11plus 16plus V2 16plus IM V2 17plus V2 18 19plus V2 21 25plus 27 29 32 32C 32SC 35 35RT 37 IMP 37 IM 37 SMP 37 SM 37 SIP 38 39 39plus 41 41CP 43 43F 45 49 52 MP 53BPR 54 55 56 SIM ICC PDIM AFM 90488 90204 90402 Glider Payload CTD NiMH Battery Charger and Battery Pack Applicable EU Directives Machinery Directive 98 37 EC EMC Directive 2004 108 EC Low Voltage Directive 73 23 EEC as amended by 93 68 EEC Applicable Harmonized Standards EN 61326 1 2006 Class A Electrical Equipment for Measurement Control and Laboratory Use EMC Requirement Part 1 General Requirements EN 55011 2007 Group 1 Class A EN 61010 1 2001 Safety Requirements for Electrical Equipments for Measurement Control and Laboratory Use Part 1 General Requirements Declaration based upon compliance t
55. coefficients VOffset2 VSlope2 eee Configure Biola in SBE VOffset3 VSlope3 ata Processing or Seasave see VOffset4 VSlope4 Checking SBE 21 Configuration xmlcon or con File in Seasave e If using an SBE 38 remote temperature sensor SBE38 Y its calibration coefficients are not stored in the SBE 21 EEPROM or in the SBE 21 s configuration xmlcon or con file View and or modify the instrument s calibration coefficients by connecting the instrument to the computer directly and using Seaterm VOffset5 VSlope5 37 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Hardware Configuration Commands The following commands are used to set manufacturing date PCB serial numbers PCB assembly numbers and auxiliary channel sensor types description such as oxygen fluorometer etc and serial number Factory Settings do not modify in the field SetMfgDate SetPcbSerialNum1 SetPcbSerialNum2 SetPcbSerialNum3 SetPcbSerialNum4 SetPcbAssembly1 SetPcbAssembly2 SetPcbAssembly3 SetPcbAssembly4 Auxiliary Sensor Settings can be modified in the field to accommodate changes in auxiliary sensors cabled to the SBE 21 SetVoltType0 SetVoltSN0 SetVoltTypel SetVoltSN1 SetVoltType2 SetVoltSN2 SetVoltType3 SetVoltSN3 38 Notes e Seasave and SBE Data Processing versions 7 20 introduced xmlicon files in XML format Versions 7 20 and later allow you to open
56. cure the end cap to the housing Reinstall the 3 plastic screws in the end cap Reinstall the 2 slotted screws to secure the conductivity cell guard to the housing 65 Manual revision 028 Appendix Ill Command Summa SBE 21 Appendix Ill Command Summary CATEGORY COMMAND DESCRIPTION Status GetCD Get and display configuration data GetSD Get and display status data GetCC Get and display calibration coefficients voltage channel offsets and slopes and conductivity zero frequency GetEC Get and display event counters ResetEC Reset event counters GetHD Get and display hardware data DS DCal Display status and setup parameters Display calibration coefficients voltage channel offsets and slopes and conductivity zero frequency Setup DateTime mmddyyyyhhmmss Set real time clock month day year hour minute second Baud x x baud rate 600 1200 2400 4800 9600 19200 or 38400 Default 4800 OutputExecutedTag x x Y Display XML Executing and Executed tags x N Do not SBE38 x x Y Enable SBE 38 remote temperature sensor x N Do not SV x x 0 1 2 3 or 4 Enable 0 1 2 3 or 4 external voltages Fx x 1 output raw data in SBE 21 format required for Seasave and or SBE Data Processing x 2 output raw data in SBE 16 format custom Qs Enter quiescent sleep state Logging Aver
57. cuted tasks and instrument commands All tasks and commands accessed through the Toolbar are also available in the Menus To display or hide the Toolbar select View Toolbar in the View menu Grayed out Toolbar buttons are not applicable e Command Data Echo Area Echoes a command executed using a Menu or Toolbar button as well as the instrument s response Additionally a command can be manually typed in this area from the available commands for the instrument Note that the instrument must be awake for it to respond to a command use Connect on the Toolbar to wake up the instrument e Status bar Provides status information To display or hide the Status bar select View Status bar in the View menu Following are the Toolbar buttons applicable to the SBE 21 ae Equivalent Toolbar Description Coianiand Connect _ Re establish communications with SBE 21 press Enter key Status _ Display instrument setup and status logging samples in memory etc DS Headers View data headers header number date and time first and last sample and sample interval DH New header is generated at start of logging and every subsequent 10 000 scans Init Log Reset data pointers and cast numbers This should be performed after existing data has been IL uploaded from SBE 21 and prior to recording new data Capture Capture instrument responses on screen to file may be useful for diagnostics File has cap _ extensio
58. d power for a NMEA device SBE 21 options include e Remote temperature sensor SBE 38 and mounting kit e Auxiliary A D sensors mounts not supplied Future upgrades and enhancements to the SBE 21 firmware can be easily installed in the field through a computer serial port and the O connector on the SBE 21 without the need to return the SBE 21 to Sea Bird The SBE 21 is supplied with a powerful Windows software package Seasoft V2 which includes e Seaterm terminal program for easy communication and data retrieval e Seasave V7 program for acquiring converting and displaying real time or archived raw data e SBE Data Processing program for calculation and plotting of conductivity temperature data from auxiliary sensors and derived variables such as salinity and sound velocity Manual revision 028 Section 2 Description of SBE 21 SBE 21 Specifications Prima SBE 36 Conductivity T ry Secondary emperature S m C Temperature C sora 0to7 5 to 35 5 to 35 ange Initial Accuracy 0 001 0 01 0 001 Resolution 0 0001 0 001 0 0003 Calibration 0 to 7 physical measurement outside these ranges may be at slightly reduced accuracy due to extrapolation errors calibration over the range 2 6 to 1 to 32 1 to 32 6 S m plus zero conductivity air Sampling Speed 4 Hz 4 samples sec averages stores and transmits at user programmable 3 to 600 sec intervals
59. ders in memory 50 number of bytes in each scan 6 and whether the SBE 21 is logging L or not logging N If the system does not respond e Click Connect again or press the Enter key several times e Check cabling between the computer Interface Box and SBE 21 e Verify the correct instrument was selected and the COM settings were entered correctly in the Configure menu 51 Manual revision 028 Section 6 Operating System SBE 21 Note To prepare the SBE 21 for re deployment 1 After all data has been uploaded send IL If IL is not sent and logging is started with RL or by applying power new data will be stored after the last recorded sample preventing use of the entire memory capacity 2 Send QS to put the SBE 21 in quiescent sleep state until ready to restart logging 3 Turn off power to the Interface Box 7 Display SBE 21 status information by clicking Status on the Toolbar The display looks like this SEACAT THERMOSALINOGRAPH V5 0a SERIAL NO 4300 12 15 2009 14 02 13 ioper 50 7 ma vmain 11 4 vlith 8 8 samples 50000 free 10666357 sample interval 5 seconds no of volts sampled 0 output format SBE21 start sampling when power on no average data during sample interval yes logging data no voltage cutoff 7 5 volts 8 Ifthe status reply indicates that the SBE 21 is still logging command the SBE 21 to stop logging by pressing the Enter key and sending QL You
60. ds do not delete data they reset the data pointer If you accidentally initialize logging before uploading recover data as follows 1 Set SampleNumber a and HeaderNumber b where a and b are your estimate of number of samples and headers in memory 2 Upload data If a is more than actual number of samples in memory or b is more than actual number of headers in memory data for non existent samples headers will be bad random data Review uploaded data file carefully and delete any bad data 3 If desired increase a and or b and upload data again to see if there is additional valid data in memory IL Initialize logging after all previous data has been uploaded from SBE 21 initialize logging before starting to log again to make entire memory available for recording IL sets sample number SampleNumber and header number HeaderNumber to 0 internally Do not send IL until all existing data has been uploaded SBE 21 requires verification before it proceeds If AutoRun Y If IL is not sent when power is applied logging resumes storing data to memory without resetting sample number does not overwrite recorded data If AutoRun N Overwriting of data is controlled by which command is used to start logging GL start logging storing data at beginning of memory or RL resume logging storing data without resetting sample number Example user input in bold IL initialize verify IL logging
61. ed from previous page Part Number Part Application Description Quantity in SBE 21 50106 Spare o ring hardware kit 73 O rings and hardware including e 30072 Parker 2 017N674 70 o ring for bulkhead connectors e 30092 Parker 2 363N674 70 o ring SBE 21 top plate to square end cap seal e 30390 Parker 2 012N674 70 o ring cell tray face seal e 30809 Morrison seal for temperature probe e 30815 Parker 2 233E603 70 for sensor electronics module end cap e 30200 Bolt 3 8 16 x 3 3 4 Hex stainless steel square end cap to SBE 21 top plate e 30210 Nut 3 8 16 nylon stop stainless steel for 30200 e 30257 Washer 3 8 flat stainless steel 7 8 OD for 30200 e 30362 Nut 6 32 nylon stop boardset to sensor end cap e 30491 Machine screw 8 32 x 5 16 titanium attach conductivity cell guard to sensor electronics module housing e 30444 Bolt 10 24 x 1 2 hex head titanium attach conductivity cell guard to sensor electronics module end cap e 30445 Screw 10 24 x RH titanium cell tray to end cap e 30493 Machine screw 10 24 x 1 1 4 hex head titanium attach sensor electronics module end cap to housing Manual revision 028 Appendix VI Manual Revision Histo SBE 21 Appendix VI Manual Revision History Manual Version Date Description 004 04 90 General quick rewrite operation first sectioned in 3 1 with Seasoft and 3 2 non IBM PC
62. eeeeeeeneenseeneesseenaeenaes 61 GIOSSALY Aa AE E EAEE EA EE EEE EE E E 62 Appendix I Functional Description ssseeesooesooesoossoossoossoossoossoosseo 63 SOTSOMS freie e a a dee Moana tee ated ata eee a a 63 Sensor Interfaces 24 07 AE EEEE eth ti he Dc tien 3 AE ia ba tal Vatin ste 63 Real Time CloGk 22 5 seen shiek hed AA eben Aiea ete tea eich deeds 63 PO WET sssrce eda eae TR aE ea hha Seek 63 Appendix II Electronics Disassembly Reassembly se0e0e 64 Appendix IIT Command Summary eesseessosssoossoossoossoossoossoossoossoosseo 66 Appendix IV AF24173 Anti Foulant Device scsccssssssseoeeee 68 Appendix V Replacement Parts ccssssssscccscescccsssserssscseseeee 72 Appendix VI Manual Revision History scsccssssssscssscssecseees 74 TOK PTE EEEE EAS E EREE 76 Manual revision 028 Section 1 Introduction SBE 21 Section 1 Introduction This section includes contact information and photos of a typical SBE 21 shipment About this Manual This manual is to be used with the SBE 21 SeaCAT Thermosalinograph Conductivity and Temperature Recorder It is organized to guide the user from installation through operation and data collection We have included detailed specifications command descriptions maintenance and calibration information and helpful notes throughout the manual Sea Bird welcomes suggestions for new features and enhancements of our products and or documentation
63. ensor optional Install the cable s for optional auxiliary voltage sensors SBE 21 Top Cap 1 0 Connector Communications amp Power Pin Signal 1 Common 2 RS 232 Receive 3 RS 232 Transmit 4 Power In Note I O connector is counter clockwise from ground connector Do not connect I O cable to 4 pin SBE 38 connector XSG 4 BCL HP SS XSA BCL Ground Connector Pin Signal 1 Ground to ship s hull AID Inputs Single ended AID Inputs Differential Pin Signal Pin Signal 1 Common 1 Common 2 External Voltage 0 2 Signal External Voltage 0 3 External Voltage 3 3 Com External Voltage 0 4 External Voltage 1 4 Signal External Voltage 1 AG 306 HP SS 5 External Voltage 2 5 Com External Voltage 1 6 Power Out 6 Power Out Manual revision 028 Section 3 Installing System SBE 21 Connecting Interface Box 1 Connect Serial on the Interface Box to the computer using the DB 9S to DB 9P cable ry TE 2 Connect the Interface Box AC Input to a standard 3 prong grounded oe nunca A AC outlet using the UL IEC approved power cord AC voltage between OFF SERIAL 85 270 VAC ae a a SE 3 optional Connect a NMEA device to NMEA on the Interface Box with the 5 pin MS connector MS3106A14S 5P The connector pin designations are Interface Box Function Pin A Optional power return Pin B NMEA A signal Pin C NMEA B signal return Pin D No connection Pin E Optional 12 DC power out
64. erface Box and computer defined in Configure Inputs on the CTD Serial Port tab must agree with the Interface Box setup 1200 2400 4800 9600 19200 or 38400 factory set to 9600 1 Turn on power to the Interface Box e If AutoRun Y SBE 21 set up to start logging automatically when internal memory Note that the data will not appear in Seasave until you tell Seasave to start real time data acquisition below e If AutoRun N SBE 21 not set up to start logging automatically when power turned on Run Seaterm and send GL or RL to start logging then close Seaterm see Section 4 Setting Up SBE 21 2 Double click on Seasave exe 3 Perform any desired setup in the Configure Inputs Configure Outputs and Display menus 47 Manual revision 028 Section 6 Operating System SBE 21 4 Inthe Real Time Data menu select Start The dialog box looks like this Data Archiving Options e Begin archiving data immediately to store raw frequencies A D counts and or voltages real time data as soon as Start button is clicked and communication is established Begin archiving data when Start Archiving command is sent to control when data begins to be written to file If you make this selection when you click Start button and communication is established a dialog box with Start Archiving button appears Click this button when ready to begin saving scans to file or select Start Archiving in Real Time Data menu Do not
65. es Cause Solution 1 The I O cable connection may be loose Check the cabling between the Interface Box and computer Cause Solution 2 The communication settings entered in Seaterm may not match the setup in the Interface Box Select the SBE 21 in the Configure menu and verify the settings in the Configuration Options dialog box If necessary change communication settings in the Interface Box see the Interface Box manual for details Problem 2 Unable to Communicate with SBE 21 If OutputExecutedTag N The S gt prompt indicates that communications between the SBE 21 and computer through the Interface Box have been established Before proceeding attempt to establish communications again by clicking Connect on Seaterm s toolbar or hitting the Enter key several times Cause Solution 1 The I O cable connection may be loose Check the cabling between the SBE 21 and Interface Box Cause Solution 2 The instrument type and or its communication settings may not have been entered correctly in Seaterm Select the SBE 21 in the Configure menu and verify the settings in the Configuration Options dialog box The settings should match those on the instrument Configuration Sheet Cause Solution 3 The communication settings entered in Seaterm may not match the settings in the Interface Box Select the SBE 21 in the Configure menu and verify the settings in the Configuration Options dialog box If necessary change communication settings or set
66. essage RMC is decoded date and time display on next line Format is DDMMYY HHMMSS 4 Add NMEA Depth Three bytes of depth data for example from a NMEA to real time echo sounder is added to each line of hex data from SBE NMEA Depth Hex Lat Lon data 21 after lat lon data Options 5 Do not add NMEA Depth to real time NMEA depth data is not added Hex Lat Lon data o Change Set reset baud rates data bits and parity NMEA baud communication rate and start mode whether Interface Box starts in RNAS settings and start Operating Mode 1 or 2 wh lied Communication mode perating Mode 1 or 2 when power applied Settings and Start Modes 7 Display communication settings and start Display settings set up in Mode 6 mode 8 diagnostic level 1 Transmit raw NMEA All NMEA messages received are echoed to computer in raw form message only Diagnostic All NMEA messages received are decoded by Interface Box and displayed on computer If you select mode 8 and then select mode 9 the Interface Box transmits raw data 9 diagnostic level 2 Transmit decoded NMEA message followed by decoded data Setting Up and Testing NMEA Note After connecting the NMEA device Interface Box computer and SBE 21 The Interface Box must be run Seaterm connected to the SBE 21 to test the NMEA interface If it is not 1 Follow Steps 1 through 4 in Power and Communications Test and SBE 21 connected noise
67. has something large lodged in it or is broken Proceed as follows Clean the conductivity cell Cleaning and Storage in Section 7 Routine Maintenance and Calibration 2 Remove larger droplets of water by blowing through the conductivity cell Do not use compressed air which typically contains oil vapor 3 Running the SBE 21 in air collect some data in Seasave and look at the raw conductivity frequency It should be within 1 Hz of the zero conductivity value printed on the conductivity cell Calibration Sheet If it is significantly different the cell is probably damaged Problem 6 Program Corrupted Cause Solution 1 In rare cases a severe static shock or other problem can Note corrupt the program that controls the SBE 21 s microprocessor This program Performing a reset affects the can be reset by removing the J1 jumper on the Power PCB SBE 21 S memary 1 Remove the sensor electronics module from the water jacket Section 7 aoe ye pastes fee eee Routine Maintenance and Calibration and remove the electronics from fter Senora g r e reset a atthe the housing Appendix II Electronics Disassembly Reassembly date and time DateTime and 2 Remove the J1 jumper from the Power PCB top board in the PCB initialize logging IL Other setup assembly This jumper is used to disconnect the back up lithium battery parameters are unaffected from the electronics Leave the jumper off for several minutes 3 Reinstall the J1 jum
68. he Calibration Certificate and should remain stable within 1 Hz over time The primary mechanism for calibration drift in conductivity sensors is the fouling of the cell by chemical or biological deposits Fouling changes the cell geometry resulting in a shift in cell constant Accordingly the most important determinant of long term sensor accuracy is the cleanliness of the cell We recommend that the conductivity sensor be calibrated before and after deployment but particularly when the cell has been exposed to contamination by oil slicks or biological material Temperature Sensor Calibration The primary source of temperature sensor calibration drift is the aging of the thermistor element Sensor drift will usually be a few thousandths of a degree during the first year and less in subsequent intervals Sensor drift is not substantially dependent upon the environmental conditions of use and unlike platinum or copper elements the thermistor is insensitive to shock 58 Manual revision 028 Section 8 Troubleshootin SBE 21 Section 8 Troubleshooting This section reviews common problems in operating the SBE 21 and provides the most common causes and solutions Problem 1 Unable to Communicate with Interface Box The Interface Box setup message indicates that communications between the Interface Box and computer have been established Before proceeding attempt to establish communications again by typing several tim
69. he procedure for editing a hex data file described below has been found to work correctly on computers running Windows 98 2000 and NT If the editing is not performed using this technique SBE Data Processing may reject the edited data file and give you an error message 1 Make a back up copy of your hex data file before you begin 2 Run WordPad 3 Inthe File menu select Open In the Open dialog box for Files of type select All Documents Browse to the desired hex file and click Open 4 Edit the file as desired inserting any new header lines after the System Upload Time line Note that all header lines must begin with an asterisk and END indicates the end of the header An example is shown below with the added lines in bold 53 Manual revision 028 Section 6 Operating System SBE 21 Sea Bird SBE 21 Data File FileName C Odis SAT2 ODIS oct14 19 o0c15_ 99 hex Software Version Seasave Win32 v1 10 Temperature SN 2366 Conductivity SN 2366 System UpLoad Time Oct 15 1999 10 57 19 Testing adding header lines Must start with an asterisk Place anywhere between System Upload Time amp END of header NMEA Latitude 30 59 70 N NMEA Longitude 081 37 93 W NMEA UTC Time Oct 15 1999 10 57 19 Store Lat Lon Data Append to Every Scan and Append to NAV File When lt Ctrl F7 gt is Pressed x Ship Sea Bird Cruise Sea Bird Header Test xx Station Latitude Longitude END
70. he real time clock frequency source The TCXO is accurate to 1 minute per year 0 C to 40 C Power The Power PCB contains three series connected lithium cells non hazardous which are diode OR d with the external power source The lithium supply is capable of supporting all SBE 21 functions and serves to permit orderly shutdown in the event of failure or removal of external power External power can be removed without disturbing memory or the real time clock 63 Manual revision 028 Appendix Il Electronics Disassembly Reassembl SBE 21 Appendix II Electronics Disassembly Reassembly Do not disassemble the SBE 21 electronics unless you are troubleshooting a Note problem and need to access the PCBs Do not disassemble the SBE 21 electronics to send the sensors or PCBs to Sea Bird for recalibration Sea Bird provides a jackscrew kit with the SBE 21 to assist in removal of the or repair Package the electronics end cap The kit contains sensor electronics module for e 2 Allen wrenches shipment see Removing Sensor e 3 jackscrews Electronics Module from SBE 21 Water Jacketin Section 7 Routine Maintenance and Calibration e 2 spare plastic socket hex head screws Jackscrew kit Disassembly 1 As a precaution upload any data in memory before beginning See Uploading SBE 21 Data from Memory in Section 6 Operating System m 2 Remove the SBE 21 sensor electronics module from the water
71. ion Guidelines Notes e The SeaCAT Sealogger RS 232 and Navigation Interface Box is included with the SBE 21 order If testing the SBE 21 without the Interface Box provide 9 14 VDC power e Seasave 7 18 or later also supports acquisition of data from a NMEA device IBM compatible connected directly to the computer computer instead of the Interface Box PN 90488 Interface Box AC input NMEA 0183 interface Optional Mounting Kit P N 50244 Ee a LUNA Ne Mt VLLLLLLLLL LLL Stainless pipe nipples included A D inputs Remote sensor cable i e ee Fresh water In manifold Seawater intake Pump not included as close to ship s bow as possible Valves are show in normal operating position Valves are open when handle is horizontal closed when handle is vertical Sea Bird does not provide detailed installation instructions for the SBE 21 and remote temperature sensor given the unique nature of every ship and type of installation The installation of the SBE 21 should be done by qualified shipfitters with the oversight of a competent ship designer or naval architect 14 Manual revision 028 Section 3 Installing System SBE 21 Consider the following The SBE 21 can be mounted anywhere it will fit that is accessible for maintenance and cleaning For safety mount the SBE 21 above the water line gt Ifthe remote temperature sensor is not used mount the
72. ion in Section 3 Installing System Notes ae 2 Double click on SeaTerm exe If this is the first time the program is used e See Seaterm s help files e Itis possible to use the SBE 21 without Seaterm by sending direct commands from a dumb terminal or terminal emulator such as Windows HyperTerminal the setup dialog box may appear w SeaTerm Setup q x The initialization file SeaT erm ini was not found in the Windows directory Please enter the following setup information IMPORTANT To complete setup review the configuration setting for your instrument by selecting your instrument type from the Configure menu list COM Port Select the instrument type SBE 21 and the computer COM port for communication with the SBE 21 Click OK 19 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 3 The main screen looks like this di SeaT erm Version 1 10 SeaTerm B File Configure Communications Utilities Data View Help Toolbar Command Data Echo Area Status bar Capture to file status grayed out if not capturing Note There is at least one way and as many as three ways to enter a command Manually type a command in Command Data Echo Area Use a menu to automatically generate a command Use a Toolbar button to e Menus Contains tasks and frequently executed instrument automatically generate commands a command e Toolbar Contains buttons for frequently exe
73. ith SBE 21 setup for SV 0 1 2 3 or 4 see reply from DS Processing use remote temperature data when calculating density and sound velocity Note Firmware version 5 0 and later of SBE 21 supports only Voltage channel 0 in xmlcon Configuration file opened None SBE 38 as remote temperature sensor SBE 3 not supported or con file corresponds to sensor wired to channel 0 on end cap connector voltage Remote temperature SBE 38 channel 1 in file corresponds Time between scans Used to calculate elapsed time if you to sensor wired to channel 1 on External voltage channels fi select time as as an output parameter Must agree with end cap connector etc SBE 21 setup SI see reply from DS Sample interval seconds f5 NMEA Sel if NMEA ei E VV NMEA position data added 7 NMEA depth data added select whether NMEA device is connected directly to Deck Unit NMEA device connected to deck unit NMEA tine added interface box or to computer You can also append NMEA depth 3 data 3 bytes and NMEA time NMEA device connected to PC data 4 bytes after Lat Lon data Select to have Seasave append time seconds Seasave adds current latitude i Scan time added since January 1 1970 GMT to each data scan longitude and universal time code to data header appends NMEA New to create new data to every scan and writes Channel Sensor xmicon or con file for NMEA data to nav file every time 1 Frequenc
74. jacket as described in Removing Sensor Electronics Module from SBE 21 Water Jacket in Section 7 Routine Maintenance and Calibration 3 Remove the 2 slotted head screws securing the conductivity cell guard to the housing Do not remove the 2 screws holding the cell guard to the sensor end cap 4 Remove the sensor end cap with attached conductivity cell and cell Do not remove socket Remove slotted guard and electronics as follows head screw attaching head screw guard to sensor end 2 places A Wipe the outside of the sensor end cap and housing dry being careful cap 2 places to remove any water at the seam between them B Remove the 4 socket head screws securing the end cap to the housing C Remove the 3 plastic hex head screws from the end cap using the larger Allen wrench Insert the three jackscrews in these three holes in the end cap When you begin to feel resistance use the smaller Allen wrench to continue turning the screws Turn each screw 1 2 turn at a time As you turn the jackscrews the end cap will push away from the housing D When the end cap is loosened carefully slide the end cap and attached electronics out of the housing E Remove any water from the o rings and mating surfaces inside the housing with a lint free cloth or tissue F Disconnect the Molex connectors connecting the PCB assembly to the housing Then remove 3 plastic G Be careful to protect the o rings from damage or contamination sc
75. l revision 028 Appendix Functional Description SBE 21 Appendix Functional Description Sensors The SBE 21 embodies the same sensor elements pressure protected thermistor and 3 electrode 2 terminal borosilicate glass cell previously used in Sea Bird s modular SBE 3 and SBE 4 sensors and in the original SeaCAT design The current version of the SBE 21 differs from older versions of the SBE 21 in that it uses two independent channels to digitize temperature and conductivity concurrently Multiplexing is not used for these channels Sensor Interface Temperature is acquired by applying an AC excitation to a bridge circuit containing an ultra stable aged thermistor with a drift rate of less than 0 002 C per year The other elements in the bridge are VISHAY precision resistors A 24 bit A D converter digitizes the output of the bridge AC excitation and ratiometric comparison avoids errors caused by parasitic thermocouples offset voltages leakage currents and reference errors Conductivity is acquired using an ultra precision Wein Bridge oscillator to generate a frequency output in response to changes in conductivity The four external 0 to 5 volt DC voltage channels are processed by differential amplifiers with an input resistance of 50K ohms and are digitized with a 12 bit A D converter Real Time Clock To minimize power and improve clock accuracy a temperature compensated crystal oscillator TCXO is used as t
76. loading SBE 21 Data from Memory cccceecseescessceeeceeeceecnseeeeneenseenaes 50 Processing Data EAEN E ET E T E E TE 53 Editing Raw Data File s ssneessseesseseeseeserssseeresstsresreseeseeseeressesressesersesseene 53 Section 7 Routine Maintenance and Calibration s sesssesosssesoosseeo 55 Corrosion Precautions sneseno a a ashe aa EE E E EA 55 Removing Sensor Electronics Module from SBE 21 Water Jacket 55 Cl aning a d Storage sonein i ne E RE EER ARE 55 O Ring Maintenance cniin ei ie iE ER E R 57 Sensor Calibration eae gin e R E A E ai 57 Manual revision 028 Table of Contents SBE 21 Section 8 Troubleshooting ccscccccsssscsecssssecseccesscssssceesssceeees 59 Problem 1 Unable to Communicate with Interface BOX ccccceceseeeeseeees 59 Problem 2 Unable to Communicate with SBE 21 00 00 ceccceceesssceeeseeees 59 Problem 3 Unable to View Data in Seasave Real Time Data Acquisition PTOGTaM ces ch lle Rates E eb EAE dee ais dk be ee 6 1 silted cao 60 Problem 4 Scan Length Error in SBE Data Processing ceseseteeeeeeeeeees 60 Problem 5 No Data Recorded 0 ccccccccceessececessceceensceceessececstseecesseeenssaeees 60 Problem 6 Nonsense or Unreasonable Data 00 ccccccceesssceesssceceesssceeesseeees 60 Problem 5 Salinity Lower than Expected 0 ccceescesseeseceseeeseceeeseeeteenseentes 61 Problem 6 Program Corrupted cccecccesecseesceeeeeeeeeeee
77. n Press Capture again to turn off capture Capture status displays in Status bar Upload data stored in memory in format Sea Bird s post processing software can use DD use Upload key if Upload Uploaded data has hex extension Before using Upload will be data processing e Configure upload and header parameters in Configure menu with SBE Data e Stop logging by sending QL Processing Diagnostics Perform one or more diagnostic tests on SBE 2 1 Test s accessed in this manner are DS FR and VR non destructive they do not write over any existing instrument settings Stop Interrupt and end current activity such as uploading or diagnostic test press Esc key or Ctrl C Free computer COM port used to communicate with SBE 21 COM port can then be used by Disconnect another program See Command Descriptions 20 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 4 Inthe Configure menu select SBE 21 The dialog box looks like this Computer COM port 1 through 10 as applicable baud rate between Interface Box and computer 9600 documented on Configuration Sheet data bits 7 and parity even for SBE 21 Configuration Options x Upload Settings COH Settings Header Information Firmware Version Interface for communication communication between computer and Interface Box Baud rate data bits and parity must match settings in between computer and Interface Box RS 232
78. n established If the system does not respond as shown e Verify the SBE 21 was selected in the Configure menu and the settings were entered correctly in the dialog box e Check cabling between the computer and Interface Box 21 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 6 If the start mode is not echo characters to and from the instrument type to access the setup menu The display looks like this Note Interface Box set up menu e The Interface Box must be in Modes Mode 1 echo characters to and 1 Echo characters to and from the instrument from the instrument when sending 2 Add Lat Lon to the real time HEX data from the instrument commands to the SBE 21 3 Transmit Lat Lon only If you select option 4 you have a TA y pion 4 y 4 Add NMEA Depth to the real time HEX Lat Lon data NMEA depth device as well as a 5 Do not add NMEA Depth to the real time HEX Lat Lon data NMEA position device the mode 2 Communications description changes to 6 Change communication settings and start mode 2 Add Lat Lon Depth to the 7 Display communication settings and start mode real time HEX data from the Diagnostics instrument 8 enable diagnostic level 1 9 enable diagnostic level 2 the current mode 1 Echo characters to and from the instrument enter 1 2 3 4 5 6 7 8 or 9 followed by Enter or press to exit the set up menu selection Type and press the Enter key The display then shows the current m
79. nformation that if unable to communicate on power up may be because 21 was set to AutoRun Y Enter QL several times to interrupt sampling 025 07 09 Redesign with firmware version 5 0 e Memory now 64 Mbyte T amp C now stored in 6 bytes instead of 4 e Remove support for SBE 3 remote T sensor e ST replaced by DateTime SI replaced by SI SVx replaced by SV FlashInit removed e Add OutputExecutedTag GetHD GetSD GetCD GetCC GetEC ResetEC e Firmware updates can be loaded through serial port 026 12 09 e Update Interface Box photos connector label descriptions baud options for interface box firmware 3 1b e Manual changes required for CE certification cables longer than 3 meters to be installed inside earthed metal conduit e Seasave amp SBE Data Processing 7 20a Add information about xmlcon file e Change Seasoft Win32 to Seasoft V2 update exe file name to SeasoftV2_date exe e Update SBE address e Update anti foul label in Appendix with new Container Handling requirement and new address 027 02 13 e Add more information to troubleshooting section e Add Declaration of Conformity e Add power specification for use without Interface Box e Update software compatibility information e Update Triton URL 028 02 15 e Clarify that all accuracy specifications are e Add sampling rate to specifications e Update Declaration of Conformity e Add O ring maintenance section e Add caution on using Parker Super O lube not Pa
80. nt sleep state Quiescent current is only 30 microamps Memory retention is not affected Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Notes e In SEATER M to save real time data to a file click Capture on the Toolbar before beginning logging e If the FLASH memory is filled to capacity data sampling and transmission of real time data continue but excess data is not saved in memory The SBE 21 will not overwrite data stored in memory e If the maximum number of headers is reached but there is still room for samples in FLASH memory data sampling and transmission of real time data continue without writing additional headers e If the SBE 21 is logging data and the external voltage is less than the cut off voltage 7 5 volts the SBE 21 halts logging and displays logging stopped no power Logging Commands Logging commands configure the SBE 21 s response upon waking up and direct the SBE 21 to sample data at pre programmed intervals When commanded to start sampling with GL or RL or upon powering up if AutoRun Y the SBE 21 responds as follows If Average Y If Average N 1 Take samples continuously at 4 Hz every 0 25 seconds and 1 average the samples taken within each sample interval SI 2 Store averaged data in FLASH 2 memory and transmit averaged data memory and transmit data real time and real time and Take 1 sample every sample interval SIS seconds St
81. o the Essential Requirements and Letter of Opinion from CKC Certification Services LLC Notified Body 0976 the undersigned hereby declare that the equipment specified above conforms to the above European Union Directives and Standards Authorized Signature E al Name Nordee Eger ead Title of Signatory President Date 3 September 2013 Place Bellevue WA Manual revision 028 Table of Contents SBE 21 Table of Contents Limited Liability Statement seosseosseosseosseossoossoossoossoossoossoosssosssossso 2 Declaration of Conformity ccssccsscscccssescsesescercsscccsccsssscessssserees 3 Table of Content scssccsssccssccsscssscsssensssnsssnsssesssesssssescscssssssssescoese 4 Section 1 IMtroduction csccssccsssscsscssccssscssscsscssscsssssssenesssessoees 6 ANDoOUt this Mantiallss3 aii N te iit ese slats aie Rae 6 Unpacking SBE 27 1 04 tiene dein tates cea Bh AM etal Wiien Bass 7 Section 2 Description of SBE 21 eesseesseesseossoossoossoossoossoossooesoossoosseo 8 System Description cv re onien i E E RR ERE RE E eect sacar 8 SPECHUCALIONS ninn E E E EREE Sverre ee EEO 10 Dimensions and Bulkhead Connectors s ssesesesesrseeeressssssrseterseserserrsesessesrsee 11 Data TO map ooie o REE EE AEGEE EE E EE EE 12 Data Storag Erroneo eo i oeo I EEN E N E E EAE O EE 12 Remote Temperature Sensor optional s sssessessssesessrseesseserserseeseserseeserse 12 Section 3 Installing Sy
82. oad file has a hex extension F Seaterm sends the data upload DDb e command 11 Ensure all data has been uploaded from the SBE 21 by reviewing and processing the data A Use Seasave to display the raw hexadecimal data from the SBE 21 in engineering units see Seasave s manual Help files B Use SBE Data Processing to process and plot the data see SBE Data Processing s manual Help files 52 Manual revision 028 Section 6 Operating System SBE 21 Processing Data Notes e Seasave and SBE Data Processing versions 7 20 introduced xmlcon files in XML format Versions 7 20 and later allow you to open a con or xmicon file and to save it to a con or xmicon file Seasave and SBE Data Processing use the same file A new or recalibrated instrument ships with a configuration file that reflects the current configuration as we know it The file is named with the instrument serial number followed by a con extension For example for an instrument with serial number 2375 Sea Bird names the file 2375 con You may rename the file but not the extension if desired this will not affect the results Note Although we provide this technique for editing a raw hex file Sea Bird s strong recommendation as described above is to always convert the raw data file and then edit the converted file Process the data in SBE Data Processing 1 Convert the hex raw data file created by Seasave or uplo
83. ode as 1 Echo characters to and from the instrument which is the mode required for communicating with the SBE 21 to set it up Type to exit the setup menu 7 Click Connect on the Toolbar or press the Enter key several times If you used Connect on the Toolbar the display looks like this xdg SC21 4300 5 0a 0 0 6 N This is a factory diagnostic status command ds and reply The reply indicates instrument serial number 4300 firmware version 5 0a number of samples in memory 0 number of headers in memory 0 number of bytes in each scan 6 and whether the SBE 21 is logging L or not logging N If the system does not respond e Click Connect again or press the Enter key several times e Verify the correct instrument was selected in the Configure menu and the settings were entered correctly in the Configuration Options dialog box The baud rate is documented on the instrument Configuration Sheet e Check cabling between the computer Interface Box and SBE 21 8 Display SBE 21 status information by clicking Status on the Toolbar The display looks like this SEACAT THERMOSALINOGRAPH V5 0a SERIAL NO 4300 12 15 2009 14 23 14 ioper 50 7 ma vmain 11 4 vlith 8 8 samples 0 free 10966357 sample interval 5 seconds no of volts sampled 0 output format SBE21 start sampling when power on no average data during sample interval yes logging data no voltage cutoff 7 5 volts 22 Manual
84. of samples and available sample space in memory e sample interval SI number of external voltages enabled SV e Enable sampling of SBE 38 remote temperature sensor SBE38 only appears in status if SBE 38 enabled e output format Fx e start sampling automatically when power on AutoRun e average data during sample interval Average e logging status e power cutoff voltage Example Display status for SBE 21 that has SBE 38 remote temperature sensor enabled user input in bold DS SEACAT THERMOSALINOGRAPH V5 0a SERIAL NO 4300 12 15 2009 14 23 14 DateTime ioper 50 7 ma vmain 11 4 vlith 8 8 samples 0 fr 3870479 sample interval 5 seconds no of volts sampled 4 SI SV sample external SBE 38 temperature sensor SBE38 output format SBE21 Fx start sampling when power on no AutoRun average data during sample interval yes Average logging data no voltage cutoff 7 5 volts 30 Notes e Calibration coefficients for the conductivity and primary temperature sensor and for any auxiliary voltage sensors are stored in the SBE 21 s configuration xmlcon or con file View and or modify the calibration coefficients using the Configure menu in SBE Data Processing or Seasave see Checking SBE 21 Configuration xmicon or con File in Seasave e If using an SBE 38 remote temperature sensor its calibration coefficients are not st
85. of the interface box The SBE 21 SeaCAT Thermosalinograph is an externally powered high accuracy conductivity and temperature recorder designed for shipboard determination of sea surface pumped water conductivity and temperature Data is simultaneously transmitted to a computer s serial port and stored in 64 Mb FLASH RAM memory allowing both real time data acquisition and independent data logging An internal lithium back up battery in the SBE 21 supports the real time clock when the main power supply is off The SBE 21 is connected by cable to PN 90488 SeaCAT Sealogger RS 232 and Navigation Interface Box The Interface Box is AC powered provides isolated DC power and an optically isolated RS 232 data interface for the SBE 21 and provides power and a NMEA 0183 receiver for a NMEA device not supplied by Sea Bird The Interface Box appends NMEA information to the SBE 21 data stream The platinum electrode glass conductivity cell s unique internal field geometry eliminates proximity effects This feature is critically important in thermosalinographs where the cell must operate in a water jacket s confined volume The internal field cell also allows the use of expendable AF24173 Anti Foulant Devices supplied For corrosion resistance only plastic titanium and the glass platinum conductivity cell are exposed to seawater Valves control seawater circulation and fresh water flushing The sensor assembly is easily removed fo
86. oftware Seasave and SBE Data Processing uses the equations shown to perform these calculations it then uses the calibration coefficients in the configuration xmlcon or con file to convert the raw frequencies and voltages to engineering units Alternatively you can use the equations to develop your own processing software See Notes on SBE 38 Remote Temperature Data Format below for details on how Sea Bird handles SBE 38 data The SBE 21 outputs data in raw hexadecimal form as described below The inclusion of some output parameters is dependent on the system configuration if the specified sensor is not enabled see Command Descriptions above the corresponding data is not included in the output data stream shortening the data string e SBE 21 Format F1 tttteccerrrrrruuuvvvwwwxxx use this format if you will be using Seasave to acquire real time data and or SBE Data Processing to process the data e SBE 16 Format F2 ttttccccrrrrrruuuvvvwwwxxxnnnn custom format where tttt primary temperature ccce conductivity rrrrrr remote temperature from SBE 38 remote sensor uuu VVV Www XXX voltage outputs 0 1 2 and 3 respectively attention character nnnn lineal sample count 0 1 2 etc Data is output in the order listed with no spaces or commas between parameters Shown with each parameter is the number of digits Calculation of the parameter from the data is described below use
87. on Description SBE 21 Bis tributyltin oxide device 801542 a Anti Foularit inserted into anti foulant device 1 set of 2 NISE mount kit E ra tai For placement at both ends of 50315 a anes j A ans conductivity cell to hold 1 mounting cups and caPs AF24173 Anti Foulant Device and Tygon tubing 4 pin RMG 4FS to 4 pin 80438 MS3106A 14S 2P I O aaa 9 1 cable 10 m 33 ft long ene 9 pin DB 9P to 9 pin 171887 DB 9S V O cable AE Box 1 3 0 m 10 ft long P 25 pin DB 25S to 171888 9 pin DB 9P e a 1 cable adapter SERRES 4 pin RMG 4FS to 171012 4 pin RMG 4FS cable as a ee ee 1 10 m 33 ft long ae Cae TS Seals flow chamber when electronics sensor assembly 23388 2 J T p end cap blank removed from water jacket for recalibration repair 22009 Panasonic BR 2 3 A Permits orderly shut down in 2 lithium batteries event of removal of power Spare parts including e 17628 6 pin bulkhead connector e 17654 4 pin bulkhead connector e 30384 Tygon tube 7 16 x 1 16 storage hose for conductivity cell Thermosalinograph e 30411 Triton X100 500ml 50298 spares kit Octyl Phenol Ethoxylate j compatible with SBE 38 Reagent grade non ionic cleaning solution for conductivity cell supplied in 100 strength dilute as directed e 30457 Parker Super O Lube o ring lubricant e 50106 SBE 21 Spare O Ring Hardware Kit Continued on next page 72 Manual revision 028 Appendix V Replacement Parts SBE 21 Continu
88. on before executing to prevent accidental overwriting of existing data The Interface Box must be in Mode 1 Echo characters to and from the instrument when sending commands to the SBE 21 Entries made with the commands are permanently stored in the SBE 21 and remain in effect until you change them The only exception occurs if J1 is removed from the Power PCB top board in PCB assembly to replace the back up lithium battery or to do a reset of the instrument Upon reassembly set the date and time DateTime and initialize logging IL See Appendix II Electronics Disassembly Reassembly for details on accessing the PCBs See Section 8 Troubleshooting for details on performing a reset of the instrument 24 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Status Command Note GetCD Get and display configuration data which The DS response contains similar includes all parameters related to setup of information as the combined SBE 21 including communication settings responses from GetSD and GetCD and sampling settings Most of these but in a different format parameters can be user input modified List below includes where applicable command used to modify parameter e Device type Serial number e Sample interval SI e Start sampling automatically when power on AutoRun e Average data during sample interval Average e Sample external voltages 0 1 2 and 3 SV sets number of channels
89. on file that reflects the current configuration as we know it The file is named with the instrument serial number followed by a con extension For example for an instrument with serial number 2375 Sea Bird names the file 2375 con You may rename the file but not the extension if desired this will not affect the results The symptom of this problem is a data file that contains nonsense values for example 9999 999 or unreasonable values for example values that are outside the expected range of the data Cause Solution 1 A data file with nonsense values may be caused by incorrect instrument configuration in the xmlcon or con configuration file i e assignment of sensors to channels in the configuration file does not match the actual installation Verify the settings in the configuration file match the instrument Configuration Sheet Cause Solution 2 A data file with unreasonable i e out of the expected range values for temperature conductivity etc may be caused by incorrect calibration coefficients in the instrument xmlcon or con configuration file Verify the calibration coefficients in the configuration file match the instrument Calibration Certificates 60 Manual revision 028 Section 8 Troubleshooting SBE 21 Problem 5 Salinity Lower than Expected Cause Solution 1 A fouled conductivity cell will report lower than correct salinity Large errors in salinity indicate that the cell is extremely dirty
90. on only enter Ir 2 3 Ar Sy to exit the set up 6 Ly menu 8 or 9 followed by Enter or press selection 6 Type to exit the menu You should begin seeing position data display in Seaterm Each time position data is received the yellow TX NMEA LED on the Interface Box should flash If the data is correct and is updating properly the Interface Box is working e If position data does not appear verify that the Interface Box is connected to the NMEA device and that the proper cable is used e See the Interface Box manual for troubleshooting instructions if needed 7 Turn off power to the Interface Box 45 Manual revision 028 Section 5 Setting Up NMEA Interface SBE 21 Troubleshooting NMEA Interface See the Interface Box manual for troubleshooting Setting Up SBE 21 Configuration xmicon or con File Note A new or recalibrated instrument ships with a configuration file that reflects the current configuration as we know it The file is named with the instrument serial number followed by a con extension For example for an instrument with serial number 2375 Sea Bird names the file 2375 con You may rename the file but not the extension if desired this will not affect the results The Interface Box integrates the data from the NMEA device into the SBE 21 data stream Seasave Sea Bird s real time data acquisition and display program stores and optionally displays the NMEA data along with the
91. order to compute salinity correctly On a typical installation there may be 20 to 30 meters of plumbing between the SBE 38 and the SBE 21 As the water flows through the pipes it changes temperature dramatically making the data from the SBE 38 an inaccurate representation of the temperature when the water reaches the conductivity sensor Use the SBE 38 only to report surface temperature and to calculate density and sound velocity density and sound velocity are a function of salinity and temperature Note that the SBE 38 can be added to the system at any time and does not need to be part of the original order for the SBE 21 No modifications to the SBE 21 are required to integrate the SBE 38 other than programming the SBE 21 to accept the sensor signal and updating the configuration xmlcon or con file 12 Manual revision 028 Section 3 Installing System SBE 21 Section 3 Installing System This section provides instructions for e Installing software e Mounting and wiring the SBE 21 and Interface Box including system schematic and installation guidelines mechanical installation and electrical installation Installing Software Seasoft V2 was designed to work with a PC running Windows XP service Notes pack 2 or later Windows Vista or Windows 7 32 bit or 64 bit e Help files provide detailed information on the software Separate software manuals on the If not already installed install Sea Bird soft
92. ore data in FLASH 3 Write a header to memory listing logging start date and time sample interval and sample number range A new header is also written after every 10 000 samples A maximum of 1000 headers can be written The SBE 21 does not enter quiescent sleep state between samples Average x x Y Set SBE 21 to sample continuously at 4 Hz every 0 25 seconds and average samples taken within each sample interval SI seconds store averaged data in memory and transmit averaged data real time x N Set SBE 21 to take 1 sample every sample interval SI seconds store data in memory and transmit data real time SI x x interval seconds between samples or sample averages Minimum interval 3 seconds maximum interval 600 seconds Example Set sample interval to 5 seconds user input in bold SI 5 If Average Y When logging starts every 5 seconds SBE 21 takes 20 samples 1 sample every 0 25 seconds averages data stores averaged data in FLASH memory and transmits averaged data real time If Average N When logging starts every 5 seconds SBE 21 takes 1 sample stores data in FLASH memory and transmits data real time 33 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Logging Commands continued Notes e IL and SampleNumber 0 have identical effects Use either command to initialize logging e Do not initialize logging until all data has been uploaded These comman
93. ored in the SBE 21 EEPROM or in the SBE 21 s configuration xmlcon or con file View and or modify the instrument s calibration coefficients by connecting the instrument to the computer directly and using Seaterm Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Status Commands continued DCal Display calibration coefficients e Voltage 0 1 2 and 3 channel offset and slope as determined at Sea Bird Output voltage slope calculated V from sensor equation offset e conductivity zero frequency characteristic frequency of conductivity sensor for 0 conductivity as determined at Sea Bird from a cell thoroughly rinsed in distilled or de ionized water with all the water shaken out Zero frequency that has changed by a few tenths of a Hz indicates a dirty cell Zero frequency that has changed by more may indicate a cell that is damaged or considerably out of calibration DCAL volt 0 volt 1 volt 2 volt 3 Cfo Example Display coefficients for SBE 21 user input in bold SEACAT THERMOSALINOGRAPH V5 0a SERIAL NO 3166 12 15 2009 14 30 14 offset 4 662333e 02 slope 1 249281e 00 offset 4 658000e 02 slope 1 249034e 00 offset 4 699667e 02 slope 1 248704e 00 offset 4 707333e 02 slope 1 249847e 00 2596 697 31 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Setup Commands DateTime mmddyyyyhhmmss Set real time clock mon
94. per and reinstall the electronics in the housing 4 Establish communications with the SBE 21 Section 4 Setting Up SBE 21 Initialize logging with IL and set the date and time with DateTime Use DS to verify that the date and time and sample number are correct 5 Replace the sensor electronics module in the water jacket 61 Manual revision 028 Glossa SBE 21 Glossary Note All Sea Bird software listed was designed to work with a computer running Windows XP service pack 2 or later Windows Vista or Windows 7 32 bit or 64 bit CAUTION Do not use Parker O Lube which is petroleum based use only Super O Lube Fouling Biological growth in the conductivity cell during deployment PCB Printed Circuit Board PN 90488 SeaCAT Sealogger RS 232 and Navigation Interface Box Box provides e Power and an opto isolated RS 232C interface for the SBE 21 e Power and an opto isolated NMEA receiver for a NMEA device not supplied by Sea Bird e An RS 232C computer interface SBE Data Processing Sea Bird s Windows data processing software which calculates and plots temperature and conductivity data from auxiliary sensors and derived variables such as salinity and sound velocity Scan One data sample containing temperature and conductivity as well as data from auxiliary sensors SeaCAT High accuracy conductivity temperature and pressure recorder The SeaCAT is available as the S
95. r cleaning and calibration The PVC base or back plate may be drilled for mounting to the ship Seawater connections for normal use and fresh water connections for cleaning are PVC pipes with 1 inch 25 4 mm U S standard NPT threads Mating female fittings are provided and can easily be adapted to locally available pipe sizes Communication with the SBE 21 is over an internal 3 wire RS 232C link providing real time data transmission Commands can be sent to the SBE 21 to provide status display data acquisition setup data retrieval and diagnostic tests Output format is raw hexadecimal data The SBE 21 samples using one of the following user programmable schemes e Continuously at 4 Hz At pre programmed 3 to 600 second intervals the SBE 21 averages all the data from within the sampling interval stores the average in memory and sends the average to the computer through the Interface Box e At pre programmed intervals At pre programmed 3 to 600 second intervals the SBE 21 takes one sample stores the sample in memory and sends the sample data to the computer through the Interface Box An SBE 21 can record the output of an optional remote temperature sensor SBE 38 allowing for the measurement of sea surface temperature with minimum thermal contamination from the ship s hull A stainless steel and plastic in line pipe mount is available for safe below waterline installation of the remote temperature sensor see Section
96. rews and install Remove 4 socket jackscrews in their place head screws CAUTION Avoid getting anything on the PCB which can be damaged by water or other materials 64 Manual revision 028 Appendix Il Electronics Disassembly Reassembly SBE 21 Reassembl Note Before delivery a desiccant package is inserted in the housing and the electronics chamber is filled with dry Argon gas These measures help prevent condensation To ensure proper functioning 1 Install a new desiccant bag each time you open the electronics chamber If a new bag is not available see Application Note 71 Desiccant Use and Regeneration drying If possible dry gas backfill each time you open the housing If you cannot wait at least 24 hours before redeploying to allow the desiccant to remove any moisture from the housing CAUTION Do not use Parker O Lube which is petroleum based use only Super O Lube Remove any water from the O rings and mating surfaces with a lint free cloth or tissue Inspect the O rings and mating surfaces for dirt nicks and cuts Clean as necessary Apply a light coat of O ring lubricant Parker Super O Lube to O rings and mating surfaces Reconnect the Molex connectors to the PCB assembly Carefully fit the PCB assembly into the housing aligning the holes in the end cap and housing and the holes in the conductivity cell guard and housing Reinstall the 4 socket head screws to se
97. ring on the top plate from damage or contamination 3 When desired replace the sensor electronics module in the water jacket A Inspect the top plate o ring and mating surfaces for dirt nicks and cuts Clean or replace as necessary Apply a light coat of o ring lubricant Parker Super O Lube to o ring and mating surfaces Carefully replace the sensor electronics module in the water jacket aligning the bolt holes on the square end cap and top plate C Reinstall the 4 bolts washers and nuts to secure the end cap to the top plate Place all 4 valves in B vertical closed position i CAUTION Do not use Parker O Lube which is petroleum based use only Super O Lube Sensor Electronics Module anti foulant device fittings not shown see detail at right E T Alternate detail of Tygon tubing and anti foulant device cup and cap Sea Bird began using black anti foulant device cup and cap instead of white in 2008 Connector used only for factory calibration Detail showing anti foulant device fitting and testing typical each end of conductivity cell see Appendix IV AF24173 Anti Foulant Device for handling details 55 Manual revision 028 Cleaning and Storage Section 7 Routine Maintenance and Calibration CAUTION The SBE 21 s conductivity cell is shipped dry to prevent freezing in shipping Do not store the SBE 21 with water in the conductivity cell Freezing temperatures for
98. rker O lube which is petroleum based e Remove standard and optional language related to features e Update language on where to find updated software on website e Switch to Sea Bird Scientific manual cover 75 Manual revision 028 Index Index con file 37 39 46 xmicon file 37 39 46 9 90158 1 Interface Box 17 90488 Interface Box 9 18 19 39 43 A Anti foulant device fitting 55 Anti Foulant Devices 68 B Baud rate 12 47 C Calibration 57 Calibration coefficient commands 37 CE certification 3 Circuitry 63 Cleaning 56 Clock 63 Command summary 66 Commands calibration coefficients 37 data upload 36 descriptions 24 diagnostic 37 hardware configuration gt 38 logging 33 polled sampling 36 sampling 36 setup 32 status 25 Communication defaults 21 Configuration file 37 39 46 Connectors 11 Corrosion precautions 55 D Data acquisition 47 bits 12 format 41 storage 12 Data processing 53 Data upload commands 36 Declaration of Conformity 3 Description 8 Diagnostic commands 37 Dimensions 11 76 SBE 21 E Editing data files 53 Electrical installation 17 Electronics 63 disassembly reassembly 64 F Format data 41 Functional description 63 G Glossary 62 H Hardware configuration commands 38 I Installation electrical 17 mechanical 16 remote temperature sensor
99. s cable The ship s cable should have 3 conductors preferably with at least 2 of the conductors shielded RS 232 TX and RX if engine ignition noise or other EM interference might be encountered See drawing number 31063 for cable wiring details Connect the I O cable to the SBE 21 A By hand unscrew the locking sleeve from the SBE 21 s I O 4 pin connector If you must use a wrench or pliers be careful not to loosen the I O connector instead of the locking sleeve Remove the dummy plug from the SBE 21 s I O connector by pulling the plug firmly away from the connector Lightly lubricate the inside of the 4 pin cable connector with silicone grease DC 4 or equivalent Install the 4 pin cable connector on the SBE 21 aligning the raised bump on the side of the connector with the large pin on the SBE 21 s bulkhead connector Remove any trapped air by burping or gently squeezing the connector near the top and moving your fingers toward the end cap Place the locking sleeve over the cable connector Tighten the locking sleeve finger tight only Do not overtighten the locking sleeve and do not use a wrench or pliers Connect the MS style metal shell connector on the I O cable to SBE 2 on the Interface Box Connecting SBE 21 to Ground and to Auxiliary Sensors 1 2 Connect the SBE 21 s 1 pin ground connector to ship s ground optional Install the cable between the SBE 21 and optional SBE 38 Remote Temperature S
100. single cast C By cast number range C All separated by cast a Cancel Default Help Lx Make the selection for Upload Settings 3 Click on the Header Information tab The dialog box looks like this SBE 21 Configuration Options COM Settings Upload Settings i Header Information Prompt for header information C Include default header form in the upload file C Don t include default header form in the upload file e Don t include default header form in upload file Header information not included in upload file Note When you click OK Seaterm saves the Configuration Options settings to the SeaTerm ini file in your Windows directory SeaTerm ini contains the last saved settings for each instrument When you open Seaterm and select the desired instrument SBE 19 21 25 etc in the Configure menu the Configuration Options dialog box shows the last saved settings for that instrument Cancel Default Help OK Select the desired header information option Click OK to save all the settings in the Configuration Options dialog box 50 SBE 2 1 Manual revision 028 Section 6 Operating System SBE 21 Notes e See Section 5 Setting Up NMEA Interface for details on the setup menu e If the SBE 21 is set up to automatically start sampling when power is applied AutoRun Y the Interface Box setup is followed by hex
101. stem e ssesssesssesssesssesssesssoossesssesssoossosssoossosso 13 Installing Softwares eniri ea E EEE E o E E REE deans 13 System Schematic and Installation Guidelines ceccceseeseeseeteeseeeneeeseees 14 Mechanical Installation n ea a a a a E 16 Electrical InstallatiGnys exit tiin A a E EA EER 17 Section 4 Setting Up SBE 21 e ssesssesssesssesssessseessoessesssessseossosssosssosse 19 Setting Communications Parameters in Interface BOX ceceseeeeeeteeeeeees 19 Power and Communications Test and SBE 21 Setup in Seaterm 19 Command Descriptions secsec Hevesi wets ees hoe eves 24 Checking SBE 21 Configuration xmlcon or con File in Seasave 39 Data FOrmat nsec sciccs tennie abies a a ase e E E TiS 41 Notes on SBE 38 Remote Temperature Data Format eee eee 42 Section 5 Setting Up NMEA Interface sccsscsssssssecssscssesseees 43 NMEA Operating Modes cccccesseesseessceseceseceneceeeaeeeseeeneeseeeereeseenseeeteesaeenaes 43 Setting Up and Testing NMEA cecceceesseesseesceesceeseeeceseenseeeaeceecseeeaeeeneeses 44 Troubleshooting NMEA Interface cccceccsessseesceesceeeceseceseceseenseeeenseenaeenaes 46 Setting Up SBE 21 Configuration xmlcon or con File eeeeeeeeeeereeeeees 46 Section 6 Operating System scccccssssscssscecscscesccessssersssseescesees 47 Acquiring Real Time Data with Seasave ccccccecsecseeseesseesseesscsecseeeteesseenees 47 Up
102. stic 9 enable diagnostic level 1 level 2 the current mode 1 Echo characters to and from the instrument enter 1 2 3 4 5 6 7 8 or 9 followed by Enter or press to exit the set up menu selection 4 Ifthe NMEA baud rate in the message in Step 2 does not match your NMEA device type 6 and press the Enter key to change communications settings The display looks like this enter desired value press Enter enter desired value press Enter e n enter e or n press Enter enter desired value press Enter e a enter e or a press Enter PC baud rate X new value SEACAT baud rate X new value parity X new value even parity or no parity NMEA baud rate X new value Start mode X new value echo or add Lat Lon The display then shows your new selections Type to return to the setup menu 5 Type 3 and press the Enter key to switch to mode 3 The display looks like this Interface Box set up menu Modes 1 Echo characters to and from the instrument 2 Add Lat Lon to the real time HEX data from the instrument 3 Transmit Lat Lon only Options 4 Add NMEA Depth to the real time HEX Lat Lon data 5 Do not add NMEA Depth to the real time HEX Lat Lon data Communications 6 Change communication settings and start mode 7 Display communication settings and start mode Diagnostics 8 enable diagnostic 9 enable diagnostic level 1 level 2 the current mode 3 Transmit Lat L
103. t sleep state 9 Turn off power to the Interface Box 49 Manual revision 028 Section 6 Operating System Uploading SBE 21 Data from Memory Defines data upload type when using Upload on Toolbar or Upload Data in Data menu e All as single file All data uploaded into one file e By scan number range Seaterm prompts for beginning and ending scan sample numbers and uploads all data within range into one file Note Set up Upload Settings Header Information and or Header Form Steps 2 through 4 e The first time you upload data and e If you want to change upload or header parameters Defines header information included with uploaded data e Prompt for header information Each time data is uploaded user is prompted to fill out user defined header form Include default header form in upload file User defined default header form included in upload file User is not prompted to add any information when data is uploaded 1 Double click on SeaTerm exe The display shows the main screen 2 Inthe Configure menu select SBE 2 Click on the Upload Settings tab The dialog box looks like this x SBE 21 Configuration Options COM Settings Header Information Baud rate for uploading data Upload Baud rate from SBE 21 through Interface Box to computer same as baud rate on COM Settings tab Upload Settings C By scan number range C Froma
104. th day year hour minute and second Example Set current date and time to 05 February 2010 12 05 00 user input in bold datetime 02052010120500 Note The SBE 21 baud rate set with Baud must match the Interface Box setup for baud rate between the SBE 21 and Interface Box Baud x OutputExecutedTag x x baud rate 600 1200 2400 4800 9600 19200 or 38400 Default 4800 x Y Display XML Executing and Executed tags default Executed tag displays at end of each command response Executing tag displays one or more times if SBE 21 response to command requires additional time x N Do not Notes e See Notes on SBE 38 Remote Temperature Data Format for details on how the SBE 38 data is handled e The SBE 21 configuration xmlcon or con file must match the selection of remote temperature sensor and external voltages View and edit the configuration file in Seasave or SBE Data Processing These parameters are factory set to match the ordered instrument configuration e The SBE 21 requires verification when SBE38 or SV x are sent The SBE 21 responds This command will change the scan length and or initialize logging Repeat the command to verify Type the command again and press the Enter key to proceed The SBE 21 responds Scan length has changed initializing logging Notes e Output format does not affect how data is stored in memory e If you will be
105. tings in the Interface Box see the Interface Box manual for details Cause Solution 4 The I O cable connecting the SBE 21 to the Interface Box may not be the correct one Verify the cable is the correct one Cause Solution 5 The SBE 21 may have been set to automatically start sampling when power is applied AutoRun Y You may need to send QL several times to interrupt sampling ql logging stopped stop command You should then be able to communicate 59 Manual revision 028 Section 8 Troubleshooting SBE 21 Problem 3 Unable to View Data in Seasave Real Time Data Acquisition program Note If Check scan length is enabled in Seasave s Options menu Seasave checks the data scan length against the expected length based on the configuration file setup and provides a warning that there is an error Sea Bird recommends using this setting Cause Solution 1 If the scan length does not match the selected xmlcon or con configuration file for example the configuration file indicates that NMEA position data is added through a NMEA device connected to the computer but you did not connect the NMEA device to the computer Seasave continues with real time data acquisition saving the raw data to a file for later processing but does not show or plot data in the Seasave displays The data quality is not affected you can correct the configuration file error in SBE Data Processing post processing and process the data as
106. tputs 100 samples for each diagnostic test Data is not stored in FLASH memory Press the Esc key or Stop button to stop the test FR Display frequencies Column Output 1 Raw temperature A D counts 2 Raw conductivity frequency 3 Temperature frequency converted to match older SBE 21 firmware version lt 4 0 4 Conductivity frequency converted to match older SBE 21 firmware version lt 4 0 VR Display voltages with offset and scale factors applied Column Output 1 External auxiliary sensor voltage 0 2 External auxiliary sensor voltage 1 3 External auxiliary sensor voltage 2 4 External auxiliary sensor voltage 3 S External power voltage 11 6 Back up lithium battery voltage 3 741 i Operating current 333 33 T38 Display output from SBE 38 remote temperature sensor Calibration Coefficients Commands The following commands set voltage channel offsets and slopes at the factory These are properties of the SBE 21 s electronics and are not calibration coefficients for the auxiliary sensors These commands are Notes e Calibration coefficients for the conductivity and primary temperature sensor and for any included here for completeness but should never be used by the customer auxiliary voltage sensors are stored in the SBE 21 s configuration VOffset0 VSlope0 xmlcon or con file View and or VOffset1 VSlopel modify the calibration
107. using Sea Bird software Seasave and or SBE Data Processing set the format to SBE 21 F1 e See Data Formats for a complete description of the data output Example Set SBE 21 to output Executed and Executing tags user input in bold outputexecutedtag y Executed gt getcd GetCD response lt Executed gt A Note lt Executed gt tag at end of command response takes place of S gt prompt SBE38 x SV x Fx Qs 32 x Y Enable sampling of SBE 38 remote temperature sensor Note You must also set up SBE 38 to interface with SBE 21 Connect SBE 38 directly to computer and set SBE 38 baud Baud to same baud as SBE 21 interface to RS 232 Interface 232 sampling to begin when power applied AutoRun Y and format to converted data Format C See SBE 38 manual for command details x N Do not enable SBE 38 x number of external voltages to be acquired 0 1 2 3 or 4 Maximum is 4 if single ended A D channels are installed or 2 if differential A D channels are installed x 1 Set data format to SBE 21 Outputs raw data in Hex primary temperature conductivity remote temperature voltages x 2 Set data format to SBE 16 custom applications not using Sea Bird software Outputs raw data in Hex attention character primary temperature conductivity remote temperature voltages linear count starting at 0 Quit session and place SBE 21 in quiesce
108. ut resetting sample or header number it does not overwrite recorded data SBE 21 takes first sample 3 seconds after command is verified Example user input in bold RL data begins appearing AutoRun x QL x Y Automatically start logging when power is applied When power is applied SBE 21 resumes writing data and headers to memory without resetting sample number or header number does not overwrite recorded data x N Do not automatically start logging when power is applied Stop logging Press Enter key before sending QL Example user input in bold QL logging stopped stop command 35 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Data Upload Commands Stop logging before uploading data Notes e To save data to a file click DDb e Upload data in raw Hex form from scan b Capture on the Toolbar before entering DD or DH e See Data Formats after these to scan e If b and e are omitted all data is uploaded First sample is number 1 Command Descriptions e To upload data in a form that can be used by SBE Data Processing Example Upload samples 0 through 199 to a file user input in bold Click Capture on Toolbar and enter desired filename in dialog box DDO 199 1 Set the output format to oe A using F1 before DH Upload all headers First header is 1 uploading New header was written when logging 2 Use Upload on the Toolb
109. vement of the electrodes can damage the cell e Do not store the SBE 21 with water in the conductivity cell Freezing temperatures for example in Arctic environments or during air shipment can break the cell if it is full of water A Close all four valves Remove the sensor electronics module from the water jacket see Removing Sensor Electronics Module from SBE 21 Water Jacket Use a flashlight to inspect the inside of the water jacket for debris fine deposits or oil film If this is a routine monthly maintenance and there is no evidence of debris fine deposits or oil film proceed to Step 4 Reinstall Sensor Electronics Module Use paper towels to remove any deposits inside the water jacket Step 3 Flush Inside of Conductivity Cell Remove the anti foulant device fittings from each end of the conductivity cell See Appendix IV AF24173 Anti Foulant Device for handling details Refer to Application Note 2D Instructions for Care and Cleaning of Conductivity Cells for conductivity cell cleaning procedures and cleaning materials e The Active Use after each cast section of the application note is not applicable to the SBE 21 If the SBE 21 is being stored remove larger droplets of water by blowing through the conductivity cell Do not use compressed air which typically contains oil vapor Reinstall the anti foulant device fittings on each end of the conductivity cell See Appendix IV AF 24173 Anti Foul
110. ware programs on your computer CD ROM contain detailed using the supplied software CD information on Seasave V7 and SBE Data Processing 1 Insert the CD in your CD drive Sea Bird also supplies an older version of Seasave Seasave 2 Install software Double click on SeasoftV2 exe Follow the dialog box Win32 However all Seasave directions to install the software The installation program allows you to instructions in this manual are install the desired components Install all the components or just install written for Seasave V7 See Seaterm terminal program Seasave V7 real time data acquisition and Seasave Win32 s manual and or Help files if you prefer to use the SBE Data Processing data processing older software i ae It is possible to use the SBE 21 The default location for the software is c Program Files Sea Bird Within that without the Seaterm terminal folder is a sub directory for each component program by sending direct commands from a dumb terminal or terminal emulator such as Windows HyperTerminal Sea Bird supplies the current version of our software when you purchase an instrument As software revisions occur we post the revised software on our website See our website for the latest software version number a description of the software changes and instructions for downloading the software 13 Manual revision 028 Section 3 Installing System SBE 21 System Schematic and Installat
111. y the Interface Box or the computer running Seasave The configuration file setup overrides the mode selection in the Interface Box the Interface Box can be set to echo characters to and from the SBE 21 to add Lat Lon data to the SBE 21 s hex data or to transmit Lat Lon data only In other words real time transmission of NMEA data while acquiring data in Seasave is dependent only on the configuration file setting To verify the contents of the xmlcon or con file 1 Double click on Seasave exe 2 Click Configure Inputs On the Instrument Configuration tab click Open In the dialog box select the xmlcon or con file and click Open 39 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 3 The configuration information appears on the Instrument Configuration tab Verify sensors match those on your SBE 21 auxiliary sensors are assigned to the correct voltage channels calibration coefficients for all sensors are up to date NMEA position data added is selected if using a NMEA navigation device and other NMEA selections match your system setup Click Modify to bring up a dialog box shown below to change the configuration and or to view modify calibration coefficients Channel Sensor table reflects this choice shows RS 232 channel if SBE 38 selected Must agree with SBE 21 setup SBE38 see reply from DS If remote temperature is selected Seasave and SBE Data Channel Sensor table reflects this choice Must agree w
112. ype gt temperature0 lt type gt lt SerialNumber gt 01606001 lt SerialNumber gt lt Sensor gt lt Sensor id Main Conductivity gt lt type gt conductivity 0 lt type gt lt SerialNumber gt 01606001 lt SerialNumber gt lt Sensor gt lt InternalSensors gt lt ExternalSensors gt lt Sensor id volt 0 gt lt type gt not assigned lt type gt SetVoltType0 lt SerialNumber gt not assigned lt SerialNumber gt SetVoltSNO lt Sensor gt lt Sensor id volt 1 gt lt type gt not assigned lt type gt SetVoltTypel lt SerialNumber gt not assigned lt SerialNumber gt SetVoltSN1 lt Sensor gt lt Sensor id volt 2 gt lt type gt not assigned lt type gt SetVoltType2 lt SerialNumber gt not assigned lt SerialNumber gt SetVoltSN2 lt Sensor gt lt Sensor id volt 3 gt lt type gt not assigned lt type gt SetVoltType3 lt SerialNumber gt not assigned lt SerialNumber gt SetVoltSN3 lt Sensor gt lt ExternalSensors gt lt HardwareData gt 29 Manual revision 028 Section 4 Setting Up SBE 21 SBE 21 Status Commands continued DS Display operating status and setup parameters Equivalent to Status on Toolbar List below includes where applicable command used to modify parameter e firmware version serial number and date and time DateTime e operating current milliamps external power voltage and lithium battery voltage e number

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