Home

Glider Payload CTD Manual - Sea

1. When the data has been uploaded Seaterm232 shows the S gt prompt if OutputExecutedTag N 49 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD 10 Ensure all data has been uploaded from the GPCTD by reviewing the data in SBE Data Processing Notes e Dynamic errors in data acquired with A If you used Continuous Sampling or Fast Interval Sampling you can Slow Interval Sampling or Spot Sampling use the Filter Align CTD and Cell Thermal Mass modules to reduce cannot be improved by running Filter dynamic errors observed in the data Align CTD or Cell Thermal Mass 2 oad e See the SBE Data Processing manual on B Use the Derive module to compute salinity density and other CD ROM or the Help files for details on parameters using the software to process data 1 In SBE Data Processing s Run menu select Derive 2 Inthe Derive dialog box click on the File Setup tab Select the configuration xmlcon file and data cnv file that were output by Seaterm232 in Step 9 Notes 3 Click on the Data Setup tab and click Select Derived Variables To prepare for re deployment Select the desired output variables and click OK Then click 1 After all data has been uploaded send Start Process Derive will output a cnv file that includes all the ResetLogging If this is not sent data in the input cnv file as well as the desired derived variables new data will be stored after the last recorded sample
2. L SBE 63 Dissolved Oxygen Sensor 7 SBE Glider Payload CTD Exit SeatermV2 is a launcher and launches the appropriate terminal program for the selected instrument Note See Seaterm232 s Help files 2 Inthe Instruments menu select SBE Glider Payload CTD Seaterm232 opens the main screen looks like this lox File Communications Command Capture Upload Tools Help Send Commands Serial Port COM1 Baud Rate 115200 Send Commands Command Data Echo Area Window Shrink Expand Shrink AIl _Expand All No command selected Status Bar No command select Status Ready ae fone Uploading 5 i Sache Progress bar for If sending XML script Capture _Upload etc uploading data script file name status id iba Connecting COM1 baud rate 115200 Y e Menus For tasks and frequently executed instrument commands e Send Commands window Contains commands applicable to your GPCTD The list appears after you connect to the GPCTD e Command Data Echo Area Title bar of this window shows Seaterm232 s current comm port and baud rate Commands and the GPCTD responses are echoed here Additionally a command can be manually typed or pasted ctrl V here Note that the GPCTD must be connected and awake for it to respond to a command e Status bar Provides connection upload script and capture status information 17 Manual revision 00
3. Pump runs for 11 3 sec before each measurement plus 2 1 sec during measurement Pump turns off and CTD goes into low power state between measurements MinCondFreq x x minimum conductivity frequency Hz to enable pump turn on for autonomous Continuous or Interval sampling to prevent pump from running before GPCTD is in water Pump does not run when conductivity frequency drops below MinCondFreq GPCTD Configuration Sheet lists uncorrected raw frequency output at 0 conductivity Typical value and factory set default for MinCondFreq for salt water and estuarine applications is zero conductivity frequency 500 Hz Typical value for MinCondFreq for fresh water applications is zero conductivity frequency 5 Hz 36 Notes e The GPCTD always outputs real time data for Spot sampling e TxRealTime does not affect storing data to memory but slightly increases current consumption e To capture real time data to a file in Seaterm232 do the following before starting sampling 1 Click the Capture menu 2 Enter the desired file name in the dialog box The capture status displays in the status bar at the bottom of the screen Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Autonomous Sampling Commands continued Note If the FLASH memory is filled to capacity sampling continues but excess data is not saved in memory i e the GPCTD does not overwrite
4. or situational awareness purposes but data is not stored in memory The first three sampling modes are autonomous sampling once sampling is started the GPCTD automatically takes samples until commanded to stop A file header 20 bytes is created each time autonomous sampling starts and contains beginning and ending sample numbers sample interval and cast starting date time A maximum of 1000 headers casts can be stored Data from autonomous sampling are stored in memory for later upload If enabled data are also output in real time increasing power consumption slightly If real time data output is disabled a Send Last Sample command can be executed without interrupting autonomous sampling if the GPCTD is taking a sample in Fast or Slow Interval Sampling mode when the command is sent the reply is delayed slightly until the current sample is completed Future upgrades and enhancements to the firmware can be easily installed in the field through a computer serial port and the Data I O Power bulkhead connector A GPCTD is supplied with e Plastic housing for depths to 350 meters 1150 feet or Titanium housing for depths to 1500 meters 4920 feet C T and P four full scale ranges from 100 to 2000 decibars sensors T C Duct and pump for flow controlled C T and DO sensor response Anti foulant device fittings and expendable Anti Foulant Devices RS 232 interface IE 55 bulkhead connectors GPCTD options include e SBE 43F Di
5. user input in bold command used to modify parameter in parentheses getsd lt StatusData DeviceType SBE Glider Payload CTD DateTime gt 2014 07 17T09 38 36 lt DateTime gt EventSummary numEvents 65 gt SerialNumber 70112345 gt DateTime can clear with ResetEC can clear with ResetLogging can clear with ResetLogging can clear with ResetLogging can clear with ResetLogging never started lt AutonomousSampling gt 28 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Status Commands continued Notes e DC and GetCC responses contain similar information but in different formats e Dates shown are when calibrations were performed GetCC Get and display calibration coefficients in XML format which are initially factory set and should agree with Calibration Certificates shipped with GPCTD Note that GPCTD always outputs Dissolved Oxygen as raw oxygen frequency DO calibration coefficients are used only to create configuration xmlcon file when you upload data from memory The xmlcon file is used to process data in SBE Data Processing see Uploading and Processing Data Example user input in bold command used to modify coefficient in parentheses getcc lt CalibrationCoefficients DeviceType lt Calibration format TEMP1 id lt SerialNum gt 01606001 lt SerialNum gt lt CalDate gt 19 Jul 13 lt CalDate gt lt TAO gt 1 15578
6. 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 Glossa GPCTD GPCTD Glider Payload CTD High accuracy conductivity temperature pressure and optional dissolved oxygen sensor Fouling Biological growth in the conductivity cell and or on the oxygen sensor membrane during deployment PCB Printed Circuit Board Scan One data sample containing temperature conductivity pressure and optional oxygen 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 Deployment Endurance Calculator SeatermV2 Seaterm Seasave V7 and SBE Data Processing Note that the real time data acquisition and data analysis and display software is not compatible with the GPCTD SeatermV2 Windows terminal program launcher Depending on the instrument selected it launches Seaterm232 RS 232 instruments like the GPCTD Seaterm485 RS 485 instruments or SeatermIM inductive modem instruments Seaterm232 Windows terminal program used with Sea Bird instruments that communicate via an RS 232 interface and that were developed or redesigned in 2006 and later The common feature of these instruments is th
7. D Deploy GPCTD E With GPCTD in water and below the surface to avoid running the pump dry and to avoid ingesting dirty surface water e For autonomous sampling if AutoRun N Apply power Send any character to wake up GPCTD Then send Start to start pump and start sampling at user input Interval e For autonomous sampling if AutoRun Y Apply power to start pump and start sampling at user input Interval Manual revision 005 Unpacking GPCTD Section 1 Introduction GPCTD Shown below is a typical GPCTD shipment GPCTD and pump in 1500 m titanium housing optional Dissolved Oxygen Sensor not shown Cable not shown GPCTD to pump Software and Electronic Copies of Software Manuals and User Manual Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD Section 2 Description of GPCTD This section describes the functions and features of the Glider Payload CTD and Optional DO Sensor including specifications dimensions connectors communications memory and sample timing System Description GPCTD with pump shown with 1500 m titanium housing Optional SBE 43F Dissolved Oxygen Sensor The Glider Payload CTD GPCTD measures conductivity temperature and pressure and optionally dissolved oxygen with the modular SBE 43F DO sensor It is a modular low power profiling instrument for autonomous gliders with the high accuracy necessary for research inter comparison with moored
8. ccscceseesseessecseeeseeeseeeeeeeeeeeeeeeeeseenseenseenaeenaes 52 Replacing Anti Foulant Devices Mechanical Design Change 0 53 Replacing Anti Foulant Devices SBE 37 SI SM IM 54 Sensor Calibration ceirean an ae Ea n e 55 Section 6 Troubleshooting ssessseessesssesssesssesssoossesssesssoossosssosssoose 57 Problem 1 Unable to Communicate with GPCTD seseesseeesrsreesssrsersresesee 57 Problem 2 Unreasonable Data ccccsccesecsseesceeseeeneeeeeeeeceeeenseeeseeneenseenaeenaes 57 Problem 3 Salinity Lower than Expected 0 cccceescessesseceseceseeeseeseeeeenseenaes 57 GOSSALY secs EE E E E E E EEE 58 Manual revision 005 Table of Contents GPCTD Appendix I Functional Description and Circuitry ssesee 59 Sensors and Sensor Interface ceeeeesseeccseeeeceseeeeesecseeeeceeeeeceaeeeeeeeaeeeeeaeeas 59 MIGINORY cs csc REEE AERA EEEN A EA NEET 59 Appendix IT Command Summary s sessseresssersorsessorseesoesossoesosssesoesse 60 Appendix III AF24173 Anti Foulant Device scccccssccsssessees 62 Appendix IV Replacement Parts sssccsssssssssssssssccsscssscseees 66 Appendix V Manual Revision History csscssssssssssscsssessees 67 E CS EEE T T EATE 68 Manual revision 005 Section 1 Introduction GPCTD Section 1 Introduction This section includes contact information Quick Start procedure and photos of a typical Glider Payload CTD GPCTD
9. sampling if sampling at 2 3 or 4 sec intervals but less memory is used Fast Interval Sampling When the interval between samples is 5 minimum to 14 sec the pump runs continuously and CTD or CTD DO measurements are made at the chosen interval allowing users to conserve power as compared to Continuous Sampling by reducing the sample rate Slow Interval Sampling CTD only When the interval is 15 sec or longer the pump runs for 11 3 sec before each CTD measurement plus 2 1 sec during the measurement 13 4 sec total Then the CTD turns off the pump and goes into a low power state until the next measurement Sea Bird cannot offer data processing support for data sets acquired in this mode The optional SBE 43F DO sensor is not powered in this mode 23 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Example 1 Continuous or Interval Sampling Setup AutoRun N user input in bold In the lab using Seaterm232 set up GPCTD Set date and time to May 9 2014 9 00 am Initialize logging to overwrite previous data in memory Set up to sample at 1 sample sec 1 Hz continuous sampling output real time data in decimal engineering units and to require a Start command before it starts sampling Verify setup with status command Remove power Apply power then send any character to wake up DATETIME 05092014090000 RESETLOGGING INTERVAL 1 TXREALTIME Y OUTPUTFORMAT 1 AUTORUN N GETCD to
10. shipment About this Manual This manual is to be used with the Glider Payload CTD GPCTD and DO Sensor It is organized to guide the user from installation through operation and data collection We ve 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 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 Quick Start Note The I O cable is not included as part of the typical shipment and must be ordered separately Follow these steps to get a Quick Start using the GPCTD The manual provides step by step details for performing each task 1 Test power and communications Section 3 Power and Communications Test Establish setup and sampling parameters including Interval for autonomous sampling 2 Deploy the GPCTD Section 4 Deploying and Operating GPCTD A Install I O cable connector and locking sleeve Connect other end of cable to glider controller and power supply B Verify hardware and external fittings are secure C Remove caps from end of T C Duct intake and pump exhaust
11. user see Command Descriptions in Section 4 Deploying and Operating GPCTD Other communication parameters 8 data bits 1 stop bit and no parity cannot be changed Note If OutputExecutedTag Y the GPCTD does not provide an s gt prompt after the lt Executed gt tag at the end of a command response Update COM Port pulldown to include connected USB ports Section 3 Power and Communications Test GPCTD If this is the first time Seaterm232 is being used the Serial Port Configuration dialog box displays Serial Port Configuration Port com Baud 9600 v OK Cancel Help Discover Serial Ports Make the desired selections and click OK Seaterm232 tries to automatically connect to the GPCTD As it connects it sends GetHD and displays the response which provides factory set data such as instrument type serial number and firmware version Seaterm232 also fills the Send Commands window with the correct list of commands for your GPCTD If there is no communication A Inthe Communications menu select Configure The Serial Port Configuration dialog box appears Select the Comm port and baud rate for communication and click OK Note that the factory set baud rate is documented on the Configuration Sheet B Inthe Communications menu select Connect if Connect is grayed out select Disconnect and reconnect Seaterm232 will attempt to connect at the baud specified in Step A but if un
12. user input in bold command used to modify parameter in parentheses DS SBE Glider Payload CTD 1 2 1 SERIAL NO 12345 25 Sep 2013 09 38 22 DateTime vMain 9 37 vlith 3 04 autorun no AutoRun samplenumber 57 free 559183 profiles 3 reset with ResetLogging not logging never started sample every 1 seconds Interval sample mode is continuous based on Interval data format raw Decimal OutputFormat do not force on RS232 transmitter RS232ForceOn transmit real time data TxRealTime acquire SBE 43 oxygen OxygenInstalled minimum conductivity frequency 3011 0 MinCondFreq custom pump mode disabled CustomPumpMode 32 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Status Commands continued DC Display calibration coefficients Note that GPCTD always outputs Dissolved Oxygen as raw oxygen frequency DO calibration coefficients are used only to create configuration xmlcon file when you upload data from memory The xmlcon file is used to process data in SBE Data Processing see Uploading and Processing Data Notes e Dates shown are when Example user input in bold command used to modify parameter in parentheses calibrations were de performed Calibration SBE Glider Payload CTD V 1 2 1 12345 coefficients are initially temperature 22 Jul 13 TCalDate factory set and should
13. 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD General Setup Commands continued OxygenInstalled x Note If your GPCTD is equipped with the optional DO sensor and you want to save power by not measuring oxygen set OxygenInstalled N and reroute the plumbing to provide a direct path from GPCTD to the pump and back to the GPCTD If you do not remove the DO sensor from the plumbing the pump flow rate will be insufficient for the flow path CustomPumpMode x Note CustomPumpMode has no effect on operation if OxygenInstalled Y GPCTD is already operating pump at fast speed if oxygen is installed GPCTD requires verification when OxygenInstalled is sent command must be sent twice x Y SBE 43F dissolved oxygen sensor is installed GPCTD provides power to DO sensor For autonomous sampling and spot sampling PTS command pump is run at fast speed supplying 5V to pump because of DO sensor in flow path x N SBE 43F dissolved oxygen sensor is not installed GPCTD does not provide power to DO sensor For autonomous sampling and spot sampling PTS command pump is run at slow speed supplying 4V to pump because there is no DO sensor in flow path See CustomPumpMode below x Y For autonomous sampling and spot sampling PTS command run pump at fast speed supplying 5V to pump regardless of whether OxygenInstalled Y or N This setting may be useful if flow path is unusually long o
14. Derive 50 Description 8 Dimensions 12 E End cap 12 51 F Format 34 data 42 Functional description 59 G Glossary 58 Guard removal 54 H Hardware configuration 41 I Interval sampling 15 Interval sampling commands 36 M Maintenance 51 conductivity sensor 52 pressure sensor 52 Manual revision history 67 Memory 11 15 Modes See Sampling modes Manual revision 005 Index GPCTD O T Output format 34 Temperature sensor calibration 55 Oxygen commands 35 Terminal program 10 16 17 47 Oxygen sensor Test maintenance 52 power and communications 16 setup 16 ne lt C lt C COs Timing 15 P Triton 58 Parity 14 Parker Super O Lube 58 U Parts replacement 66 Unpacking GPCTD 7 Polled sampling commands 39 Upload commands 38 Power 11 Uploading data 47 Pressure sensor maintenance 52 V Pressure sensor calibration 55 Processing data 47 Pump commands 35 36 Pump on off commands 40 Versions 67 W Q Wiring 13 Quick start 6 R Recovery physical handling 46 uploading data 47 Replacement parts 66 Revision history 67 RS 232 14 S Sample timing 15 Sampling autonomous 23 continuous 23 fast interval 23 slow interval 23 Spot 25 Sampling commands 36 Sampling modes 22 SBE Data Processing 10 16 50 Sea Plot 50 Seasoft 10 16 Seaterm V2 10 Seaterm232 10 16 17 47 Se
15. GPCTD 4 pin IE55 to DB 9S_ From bulkhead connector on 801944 with power leads GPCTD to computer for setup 2 5 m 9 ft and data upload 2 pin IE55 to 2 pin From pump to bulkhead 172581 IE55 cable connector on GPCTD sensor 1 0 5 m 1 75 ft end cap 3 pin IE5S to From dissolved oxygen sensor to optional oxygen bulkhead 171558 3 pin IE55 cable connector on GPCTD sensor 0 5 m 1 75 ft end cap Octyl Phenol Ethoxylate Reagent grade non ionic cleaning solution for POSEY eee 100 conductivity cell supplied in i 100 strength dilute as directed bis tributyltin oxide device inserted into anti foulant device AF24173 cup set of 2 ee Anti Foulant Device Note GPCTD uses only l 1 Anti Foulant Device other one is spare Tygon tube inch ID i f 30388 x inch OD Main plumbing tubing 1 13 mm 0 5 in long pieces used 30579 Tygon tube 3 8 inch on optional SBE 43F DO sensor ID x inch OD intake amp exhaust to fit to main plumbing 66 Manual revision 005 Appendix V Manual Revision Histo GPCTD Appendix V Manual Revision History Manual Version Date Description 001 05 10 Initial release 002 07 12 Firmware 1 1 Update power consumption specification for Slow Interval Sampling when real time data is not being transmitted consumes less power than previous firmware Add stability specifications Update SBE 43F drawing for current plenum Add connector p
16. GetSD and GetCD e Device type Serial number but in a different format e Data output format OutputFormat e Enable Tx when Rx is valid RS232ForceOn e Transmit data real time for autonomous sampling TxRealTime e Sample interval for autonomous sampling SampleInterval e Sampling mode Continuous Fast Interval sampling or Slow Interval sampling based on Interval e Start sampling automatically when power applied AutoRun e Enable measurements with SBE 43F dissolved oxygen sensor OxygenInstalled e Minimum conductivity frequency for pump turn on MinCondFreq e Enable custom pump mode to run pump at fast speed even if no oxygen sensor installed CustomPumpMode Example user input in bold command used to modify parameter in parentheses getcd lt ConfigurationData DeviceType SBE Glider Payload CTD SerialNumber 70112345 gt lt SampleDataFormat gt raw Decimal lt SampleDataFormat gt OutputFormat lt RS232ForceOn gt no lt RS232ForceOn gt RS232ForceOn lt TxRealTime gt yes lt TxRealTime gt TxRealTime lt SampleInterval gt 1l lt SampleInterval gt Interval lt SampleMode gt Continuous lt SampleMode gt based on Interval lt AutoRun gt no lt AutoRun gt AutoRun lt SBE43 gt yes lt SBE43 gt OxygenInstalled lt MinCondFreq gt 3011 0 lt MinCondFreq gt MinCondFreq lt CustomPumpMode gt no lt CustomPumpMode gt CustomPumpMode lt Configurati
17. OXY POWER PN3 __ opmonay A OPTIONAL Data I O The GPCTD receives setup instructions and outputs data and diagnostic information via an RS 232 interface and is factory configured for 9600 baud 8 data bits 1 stop bit and no parity The communications baud rate can be changed using BaudRate see Command Descriptions in Section 4 Deploying and Operating GPCTD 14 Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD Data Storage The GPCTD has an 8 Mbyte FLASH memory If the memory is filled to capacity data sampling and transmission of real time data if programmed continue but excess data is not saved in memory Sample Timing Notes Spot sampling of all parameters using TS TSN x or TSR requires 2 1 sec the pump does not run Spot sampling of Pressure only TP requires 0 7 sec the pump does not run See Spot Sampling in Section 4 Deploying and Operating GPCTD for details on calculating Adaptive Pump Time for various combinations of temperature and pressure Sample timing is dependent on the sampling mode and sample interval Note Diagrams not to scale Continuous Sampling Interval 1 4 sec pumpon LT Fast interval Sampling Interval 5 14 sec emon E Sampling Interval 2 1 sec Interval 2 1 sec Interval Interval Slow interval Sampling Interval 15 3600 sec Pump On E Sampling U U 11 3 sec Interval
18. TAO 4 053247e 05 TA0 agree with Calibration TAL 2 687087e 04 TAI Certificate shipped with TA2 2 077398e 06 TA2 GPCTD TA3 1 396745e 07 TA3 e See individual Coefficient conductivity 22 Jul 13 CCalDate Commands below for G 1 023995e 00 CG definitions of the data in H 1 688432e 01 CH the example I 3 535489e 04 CI J 5 479864e 05 CJ CPCOR 9 570000e 08 CPCor CTCOR 3 250000e 06 CTCor WBOTC 1 351281le 07 WBOTC pressure S N 1234 range 0 psia 20 Jul 13 PCalDate PRange psia PAO 6 580878e 02 PA0 PAL 4 666308e 03 PA1 PA2 2 362889e 11 PA2 PTCAO 5 243161e 05 PTCA0 PTCA1 2 471850e 00 PTCA1 PTCA2 9 465127e 02 PTCA2 PTCBO 2 548063e 01 PTCB0 PTCB1 2 750000e 04 PTCB1 PTCB2 0 000000e 00 PTCB2 PTEMPAO 7 044176e 01 PTempA0 PTEMPA1 4 919073e 02 PTempA1 PTEMPA2 2 383647e 07 PTempA2 POFFSET 0 000000e 00 POffset decibars SBE 43 S N 5678 26 Jul 13 OCalDate FOFFSET 3 000000e 03 OxFoffset soc 1 000000e 00 OxSoc A 2 000000e 00 OxA B 3 000000e 00 OxB C 4 000000e 00 OxC E 5 000000e 00 OxE TAU20 1 000000e 00 OxTau20 D1 6 000000e 00 OxD1 D2 7 000000e 00 OxD2 H1 8 000000e 00 OxH1 H2 9 000000e 00 OxH2 H3 1 000000e 01 OxH3 33 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Notes e The GPCTD baud set with BaudRate must be the same as Seaterm
19. calculations and our processing software output gage pressure using an assumed value of 14 7 psi for atmospheric pressure Convert GPCTD reading from gage to absolute by adding 14 7 psia to the GPCTD s output 2 5 db 14 7 psi 0 689476 db psia 2 5 10 13 7 635 db Offset 10 1050 7 635 2 47 db Enter offset in GPCTD For demanding applications or where the sensor s air ambient pressure response has changed significantly calibration using a dead weight generator is recommended This provides more accurate results but requires equipment that may not be readily available The end cap s 7 16 20 straight thread permits mechanical connection to the pressure source Use a fitting that has an O ring tapered seal such as Swagelok 200 1 4ST which conforms to MS16142 boss Oxygen Sensor Calibration The optional oxygen sensor measures the flux of oxygen across a Teflon membrane The primary mechanism for calibration drift is the fouling of the membrane by chemical or biological deposits Fouling changes the membrane permeability resulting in a calibration shift Accordingly the most important determinant of long term sensor accuracy is the cleanliness of the membrane We recommend that the oxygen sensor be calibrated before and after deployment but particularly when the sensor has been exposed to contamination by oil slicks or biological material A technique is provided in Application Note 64 2 Dissolved Oxygen Sen
20. cycled on each time power is applied e ErrorADC12TimeOut response delayed from A D converted that measures power and back up lithium battery power e ErrorUARTOTimeOut timeout for transmitter to finish transmitting previous character via RS 232 e ErrorAD7714 timeout response delayed from temperature and pressure A D converter typically if woke up to send a command while logging e ErrorFLASH timeout problem with writing data to FLASH memory Example user input in bold command used to modify parameter in parentheses getec lt EventCounters DeviceType SBE Glider Payload CTD SerialNumber 70112345 gt lt EventSummary numEvents 65 gt lt Event type WDT reset count 3 gt lt Event type PON reset count 62 gt lt EventCounters gt ResetEC Delete all events in event counter number of events displays in GetSD response and event details display in GetEC response 30 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Status Commands continued GetHD Get and display hardware data in XML format which is fixed data describing GPCTD e Device type Serial number e Manufacturer e Firmware version e Firmware date e PCB assembly numbers and serial numbers e Manufacture date e Internal sensor types and serial numbers e External sensor type dissolved oxygen and serial number Example user input in bold command use
21. designed to be used to pump water through sensors other than the conductivity cell and optional integrated dissolved oxygen sensor Other sensors on your glider requiring pumped water need a separate pump The GPCTD has four sampling modes e Continuous Sampling 1 4 sec intervals The pump runs continuously and the CTD or CTD DO measurements are made at the chosen interval producing a time series suitable for application of high quality finish corrections e g response filtering alignment thermal mass correction for dynamic errors observed in the data There is no power saving over Hz 1 sec sampling if sampling at 2 3 or 4 sec intervals but less memory is used e Fast Interval Sampling 5 14 sec intervals The pump runs continuously and CTD or CTD DO measurements are made at the chosen interval allowing users to conserve power as compared to Continuous Sampling by reducing the sample rate e Slow Interval Sampling 15 sec and longer intervals CTD only The pump runs for 11 3 sec before plus 2 1 sec during each measurement 13 4 sec total Then the CTD turns off the pump and goes into a low power state until the next measurement Sea Bird cannot offer data processing support for data acquired in this mode The optional SBE 43F DO sensor is not powered in this mode e Spot Sampling Single measurements and transmission of P CTP or CTP and DO can be commanded for testing diagnostic vehicle control
22. e Ifanew command is not received within 2 minutes after the completion of a command the GPCTD returns to the quiescent sleep state e Commands to enable a parameter or output such as enabling real time data when autonomous sampling can be entered with the argument as Y or 1 for yes and N or 0 for no for example TxRealTime Y and TxRealTime 1 are equivalent both enable real time data output e Ifthe GPCTD is transmitting data and you want to stop it press the Esc key or type C Then press the Enter key Alternatively select Abort in Seaterm232 s Command menu e The GPCTD responds only to GetCD GetSD GetCC GetEC GetHD DS DC SL SLP QS and Stop while sampling Entries made with the commands are permanently stored in the GPCTD and remain in effect until you change them Removing power does not affect the user programmed setup 26 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Status Commands Notes GetCD Get and display configuration data in XML e GetCD output does not include format which includes all parameters related to calibration coefficients To display setup of GPCTD including communication calibration coefficients use the settings and sampling settings Most of these GetCC command parameters can be user input modified List The DS response contains similar below includes where applicable command information as the combined used to modify parameter responses from
23. install the desired components Install all the components or just install HyperTerminal SeatermV2 terminal program auncher for the GPCTD and SBE Data Sea Bird supplies the current version Processing post processing software 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 The default location for the software is c Program Files Sea Bird Within that folder is a sub directory for each program Test Setup Note 1 Install a data I O cable 4 pin IE55 to DB 9S with external power leads or The I O cable is not included as part battery snap aligning the pins of the typical shipment and must be ordered separately 2 Connect the other end of the I O cable to your computer and a power supply 16 Manual revision 005 Section 3 Power and Communications Test GPCTD Test 1 Double click on SeatermV2 exe The main screen looks like this Note eE See SeatermV2 s Help files Instruments Tools Options Help 4 SBE 16plus Y2 R5232 B SBE 16plus 2 IM C SBE 19plus 2 D SBE 25plus E SBE 33 interface F SBE 36 interface G SBE 37 R5232 H SBE 37 IM I SBE 37 R5485 J SBE 37 SDI 12 K SBE 39plus R5232 L SBE 39plus USB M SBE 54 Tsunameter N SBE 56 Temperature Logger
24. observatory sensors updating circulation models and leveraging data collection opportunities from operational vehicle missions The pressure proof module allows glider users to exchange CTDs and DO sensors in the field without opening the glider pressure hull The GPCTD evolved from sensors and measurement methods used in Argo float CTDs Their performance and reliability has been proven on more than 8 000 Argo floats to date The constant pumped flow and ducted T amp C sensors provide superior dynamic accuracy compared to free flushed sensors However TS errors introduced by glider flight dynamics boundary layers and wakes are larger than those experienced by vertically ascending Argo floats reducing the achievable dynamic accuracy on gliders Improvements in efficiency have yielded a continuously pumped CTD that consumes only 175 mw while recording at 1 Hz or 190 mw when transmitting real time data To put this in perspective the energy contained in one Alkaline D cell will operate the CTD continuously for 114 hours or 9 5 days at 50 duty cycle profiling continuously at 1 Hz on every glider upcast One Lithium DD cell will provide 48 days profiling continuously on every upcast The T C sensor assembly visible on the exterior of the vehicle consists of a streamlined T C intake sail with integral T C duct and anti foul device a horizontal internal field conductivity cell and a downstream exhaust sail with pump connections The i
25. preventing use of the entire memory capacity 2 Do one of the following e Send QS to put the GPCTD in quiescent sleep state until ready to redeploy Quiescent current is only 30 microAmps e Use Start to begin autonomous sampling C Use the Sea Plot module to plot the data 50 Manual revision 005 Section 5 Section 5 Routine Maintenance and Calibration GPCTD Routine Maintenance and Calibration This section reviews corrosion precautions connector mating and maintenance conductivity cell storage and cleaning pressure sensor maintenance oxygen sensor maintenance replacing AF24173 Anti Foulant Devices and sensor calibration The accuracy of the GPCTD is sustained by the care and calibration of the sensors and by establishing proper handling practices Corrosion Precautions Rinse the GPCTD with fresh water after use and prior to storage All exposed materials are titanium or plastic No corrosion precautions are required but direct electrical connection of the titanium to dissimilar metal hardware should be avoided Connector Mating and Maintenance Note See Application Note 57 Connector Care and Cable Installation CAUTION Do not use WD 40 or other petroleum based lubricants as they will damage the connector 2 pin pump cable Lightly lubricate face of each cable connector Clean and inspect connectors cables and dummy plugs before every deployment and as part of y
26. revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Deployment Note The I O cable is not included as part of the typical shipment and must be ordered separately CAUTION Do not use WD 40 or other petroleum based lubricants as they will damage the connectors 2 pin pump cable Lightly lubricate face of each cable connector Note If you ordered the GPCTD without an SBE 43F DO sensor the bulkhead connector for the DO sensor was not installed Intake amp Exhaust Prior to deployment program the GPCTD for the intended application see Command Descriptions above When you are ready to deploy the GPCTD 1 Install the data I O cable pump and optional DO sensor cable on the GPCTD A Very lightly lubricate the face of the cable connector with silicone grease DC 4 or equivalent B Install the cable connector aligning the pins C Place the locking sleeve over the cable connector and tighten it finger tight only Do not overtighten the locking sleeve and do not use a wrench or pliers 2 Connect the other end of the 4 pin I O cable to the GPCTD s controller and power supply 3 Verify that all hardware and fittings are secure e Ifdeploying a GPCTD that has the optional DO connector without a DO sensor verify that a dummy plug is installed in the optional oxygen sensor bulkhead connector on the GPCTD sensor end cap 4 If caps were placed on the end of the intake and exh
27. the data in memory Note Do not reset logging until all data has been uploaded These commands do not delete data they reset the data pointer If you accidentally reset logging before uploading recover data as follows 1 Set SetSampleNum x where x is your estimate of number of samples in memory 2 Upload data If x is more than actual number of samples in memory data for non existent samples will be bad random data Review uploaded data file carefully and delete any bad data 3 If desired increase x and upload data again to see if there is additional valid data in memory Note If you remove power before uploading data you may lose up to 256 bytes of data in the RAM buffer 22 samples of CTP 18 samples CTD and DO See Appendix Functional Description and Circuitry Notes e You may need to send Stop several times to get the GPCTD to respond e You must stop autonomous samplina before uploadina data TxRealTime x ResetLogging SetSampleNum x AutoRun x Start Stop 37 x Y Output real time data while sampling autonomously Continuous or Interval sampling Data is transmitted immediately after it is sampled x N Do not output real time data Do not use unless all previous data has been uploaded ResetLogging sets sample number and header number for first sample to 0 This resets GPCTD to start saving data to beginning of memory overwriting previo
28. transmitted in real time and the GPCTD does not store data from these commands in FLASH memory PTS Run pump take 1 sample of all parameters transmit data in units defined by OutputFormat and turn pump off Length of time that pump runs If SBE 43F DO sensor not installed pump runs for 11 3 sec before beginning to sample If SBE 43F DO sensor installed oxygen sensor response time and corresponding length of time pump needs to run before taking sample is dependent on temperature and to a lesser extent pressure GPCTD takes preliminary measurement of T and P uses those values to calculate pump time but does not store T and P values in memory runs pump and then takes fresh measurement of all parameters Pump time increases with decreasing T and increasing P See Spot Sampling in Sampling Modes above for details on pumping time TS Take 1 sample of all parameters and transmit data in units defined by OutputFormat This command does not run pump before sampling TSN x Take x samples of all parameters and transmit data in units defined by OutputFormat This command does not run pump before sampling TSR Take 1 sample of all parameters and transmit raw data temperature tttttt A D counts conductivity cccce cce Hz pressure pppppp A D counts pressure temperature qqqq A D counts optional oxygen 0000 00 Hz This command does not run pump before sampling TP Take 1 sample of pressure and transmit data ppppp p
29. user input in bold Click Capture menu and enter desired filename in dialog box UH GPCTD responds lt Headers gt cast 1 17 Jul 2014 15 41 26 samples 1 to 14 int 1 stop stop cmd cast 2 17 Jul 2014 16 34 09 samples 39 to 43 int 1 stop stop cmd lt Headers gt 38 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD CAUTION Sending PTS causes the pump to turn on Do not run the pump dry The pump is water lubricated running it without water except for very short periods will damage it If testing your system in dry conditions fill the inside of the pump head with water via the pump exhaust tubing This will provide enough lubrication to prevent pump damage during testing Spot Sampling Commands Note TS TSR and TSN x do not automatically turn the pump on To get data from a fresh sample send PumpFast if dissolved oxygen sensor in flow path or PumpSlow if no dissolved oxygen sensor in flow path some time before sending TS or TSR and then send PumpOff when the data has been received See the CAUTION above about running the pump dry Note Data in the buffer is from the last sample taken regardless of whether the sample was acquired with spot sampling or autonomous sampling See Memory in Appendix I Functional Description and Circuitry These commands request a single sample with the exception of TSN x The data is
30. verify setup Qs Remove power When ready to deploy Fill conductivity cell and plumbing with fresh water Put glider in water send down below the surface so the GPCTD does not ingest dirty surface water Apply power to GPCTD and then send any character to wake up GPCTD START to start autonomous sampling When ready to recover but before glider is at surface to avoid ingesting dirty surface water by turning off pump before it reaches surface send Stop you may need to send it several times before GPCTD responds and then send GetSD to verify sampling stopped response should show lt AutonomousSamp1ling gt no lt AutonomousSampling gt Send QS Remove power you will lose any data in the 256 byte RAM buffer up to 22 samples of CTP or 19 samples of CTP amp DO To avoid losing small amount of data in buffer do not remove power until after you have uploaded data On deck or on land upload GPCTD data from memory if desired Click Connect in Seaterm232 s Communications menu to connect and wake up Click Upload Seaterm232 leads you through screens to define data to be uploaded and where to store it Send QS and remove power Example 2 Continuous or Interval Sampling Setup AutoRun Y user input in bold In the lab using Seaterm232 set up GPCTD Set date and time to May 9 2014 9 00 am Initialize logging to overwrite previous data in memory Set up to sample at 1 sample sec 1 Hz continuous sampling output real tim
31. year hour mmddyyyyhhmmss minute second BaudRate x x baud rate 9600 38400 or 115200 Default 9600 x Y RS 232 transceiver always enables Tx Use if providing 2 wire interface ground and transmit and RS232ForceOn x setting AutoRun Y x N RS 232 transceiver enables Tx only when Rx is valid Default OutputExecutedTag x re Display XML Executing and Executed tags General x N Do not Setup x 0 output converted data in Hex OutputFormat x x 1 output converted data in decimal x 2 output raw data in decimal x Y SBE 43F dissolved oxygen sensor installed Ozygeninstalled x x N SBE 43F dissolved eae sensor not installed x Y Run pump at fast speed even if OxygenInstalled N CustomPumpMode x x N Do not override pump setting defined by OxygenInstalled Quit session and place GPCTD in quiescent sleep state Qs Power to digital and analog electronics is turned off Memory retention is not affected Interval x x interval sec between samples 1 3600 MinCondFreq x x minimum conductivity frequency Hz to enable pump turn on TxRealTime x xy Output real time data for autonomous sampling x N Do not ResetLogging Make entire memory available for recording Autonomous x sample number for last sample in memory Sampling peeampleN winx SetSampleNunm is Sivas to Rell orsi x Y Start pump and start sampling when power applied AutoRun x stop sampling when power removed x N Wait for a command when power applied Star
32. 0005 W e CTP only real time yes 1 125 Joules measurement interval in sec 0 043 W E e CTP amp DO real time no 1 789 Joules measurement interval in sec 0 0005 W ower Requirements e CTP amp DO real time yes 1 757 Joules measurement interval in sec 0 043 W DO sensor is installed so more pump power is required to pump water through the DO sensor but DO is not measured in this mode Spot Sampling e P no pumping measurement takes 0 7 sec 0 09 Joules measurement 0 043 W sec until next command 3 e CTP with 11 3 sec pump time 1 73 Joules measurement 0 043 W sec until next command e CTP amp DO Minimum with 15 sec pump time 3 03 Joules measurement 0 043 W sec until next command Pumping time is 7 DO sensor time constants or 15 sec whichever is longer and is adaptively determined from the temperature and pressure immediately prior to sampling At 4 C and 750 decibars 7 time constants is approximately 25 sec pump time consuming 4 66 Joules measurement 0 043 W sec until next command 3 Pump time shown is time before sampling pump runs additional 2 1 sec during sample For example next command may be a Stop command Battery Power Notes e Duracell DMN1300 20 Watt hours or 72 0 Kjoules nominal e Duracell C MN1400 9 Watt hours or 32 4 Kjoules nominal e Electrochem CSC93 DD 3B0036 368 Kjoules nominal Memory 8 Mbytes 699 000 CTP s
33. 13 4 sec 11 3 sec Interval 13 4 sec 2 1 sec 2 1 sec Interval Interval Spot Sampling PTS command no SBE 43F DO sensor Pump On O Sampling 11 3 sec Spot Sampling PTS command with SBE 43F DO sensor Pump On Ce APT sec Adaptive Pump Time l 7 DO time constants at measured T amp P Minimum APT 15 sec Sampling 15 Manual revision 005 Section 3 Power and Communications Test GPCTD Section 3 Power and Communications Test This section describes software installation and the pre check procedure for preparing the GPCTD for deployment The power and communications test will verify that the system works prior to deployment Software Installation 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 A separate software manual on the CD ROM contains detailed information on SBE Data Processing S Itis possible to use the GPCTD 1 Insert the CD in your CD drive If not already installed install Sea Bird software programs on your computer using the supplied software CD without the SeatermV2 terminal program by sending direct 2 Install software Double click on SeasoftV2 exe Follow the dialog box commands from a dumb terminal or directions to install the software The installation program allows you to terminal emulator such as Windows
34. 232 s baud set in the Communications menu e BaudRate must be sent twice After the first entry the GPCTD changes to the new baud and then waits for the command to be sent again at the new baud In the Communications menu select Configure In the dialog box select the new baud and click OK Then retype the command This prevents you from accidentally changing to a baud that is not supported by your computer If it does not receive the command again at the new baud it reverts to the previous baud General Setup Commands DateTime mmddyyyyhhmmss Set real time clock month day year hour minute and second Example Set current date and time to 01 May 2014 12 05 00 user input in bold datetime 05012014120500 BaudRate x RS232ForceOn x OutputExecutedTag x x baud rate 9600 38400 or 115200 Default 9600 Check capability of your computer and terminal program before increasing baud high baud requires a short cable and good PC serial port with accurate clock Command must be sent twice to change rate x Y RS 232 transceiver always enables Tx Use this setting if providing 2 wire interface ground and transmit and setting AutoRun Y to start sampling when power applied x N RS 232 transceiver enables Tx only when Rx is valid Default x Y Display XML Executing and Executed tags Executed tag displays at end of each command response Executing tag displays one or more tim
35. 5 Note Set local time and Set UTC time are disabled if the baud rate in Seaterm232 is set to 115200 because the software cannot reliably set the time at that baud Section 3 Power and Communications Test Following is a description of the menus GPCTD Menu Description Equivalent Command File Communications e Load command file opens selected XML command file and fills Send Commands window with commands e Unload command file closes command file and removes commands from Send Commands window e Exit Exit program e Connect connect to comm port e Disconnect disconnect from comm port e Configure Establish communication parameters comm port and baud rate e Disconnect and reconnect may be useful if GPCTD has stopped responding Command e Abort interrupt and stop GPCTD s response e Send 5 second break not applicable to GPCTD e Send stop command e Set local time Set date and time to time sent by timekeeping software on your computer accuracy 25 msec of time provided by computer e Set UTC Time Greenwich Mean Time Set date and time to time sent by timekeeping software on your computer accuracy 25 msec of time provided by computer e press Esc key several times for Abort e Stop e DateTime e DateTime Capture Capture GPCTD responses on screen to file to save real time data or use for diagnostics File has c
36. 60 mS cm Full scale Accuracy within a3 5 0 0003 S m aes calibration range PA 0 003 mS cm EOLA ot Sap faigs better than 0 004 C better than 0 0010 S m Accuracy outside better than 0 010 mS cm _ calibration range Due to fit extrapolation errors Due to fit extrapolation errors Typical Stability 0 0003 S m per month 0 003 mS cm per month 0 0002 C per month 0 05 of full scale range per year 0 00001S m 5 Resolution 0 001 C 0 0001 mS cm 0 002 of full scale range Supply Voltage 8 to 20 VDC nominal power calculations below assume 10 0 V Quiescent current 30 uA Continuous 1 2 3 or 4 sec Sampling e CTP only real time no 175 mW 2 10 Watt hours day 50 duty e CTP only real time yes 190 mW 2 28 Watt hours day 50 duty e CTP amp DO real time no 265 mW 3 18 Watt hours day 50 duty e CTP amp DO real time yes 280 mW 3 36 Watt hours day 50 duty Fast Interval 5 14 sec Sampling e CTP only real time no 0 225 Joules measurement interval in sec 0 068 W e CTP only real time yes 0 172 Joules measurement interval in sec 0 108 W e CTP amp DO real time no 0 320 Joules measurement interval in sec 0 113 W e CTP amp DO real time yes 0 267 Joules measurement interval in sec 0 153 W Slow Interval 15 3600 sec Sampling CTP measurements only e CTP only real time no 1 188 Joules measurement interval in sec 0
37. 7e 03 lt TAO gt lt TA1 gt 2 725208e 04 lt TAI1 gt lt TA2 gt 7 526811e 07 lt TA2 gt lt TA3 gt 1 716270e 07 lt TA3 gt lt TOFFSET gt 0 000000e 00 lt TOFFSET gt lt Calibration gt lt Calibration format WBCONDO id lt SerialNum gt 01606001 lt SerialNum gt lt CalDate gt 19 Jul 13 lt CalDate gt lt G gt 1 006192e 00 lt G gt lt H gt 1 310565e 01 lt H gt lt I gt 2 437852e 04 lt I gt lt J gt 3 490353e 05 lt J gt lt PCOR gt 9 570000e 08 lt PCOR gt lt TCOR gt 3 250000e 06 lt TCOR gt lt WBOTC gt 1 351281e 07 lt WBOTC gt lt Calibration gt lt Calibration format STRAINO id lt SerialNum gt 01600003 lt SerialNum gt lt CalDate gt 27 Jul 13 lt CalDate gt lt PAO gt 5 137085e 02 lt PA0 gt lt PA1 gt 1 550601e 03 lt PA1 gt lt PA2 gt 7 210415e 12 lt PA2 gt lt PTCAO0 gt 5 154159e 05 lt PTCA0 gt lt PTCA1 gt 2 560262e 01 lt PTCA1 gt lt PTCA2 gt 8 533080e 02 lt PTCA2 gt lt PTCBO0 gt 2 426612e 01 lt PTCBO gt lt PTCB1 gt 7 750000e 04 lt PTCB1 gt lt PTCB2 gt 0 000000e 00 lt PTCB2 gt lt PTEMPA0 gt 7 667877e 01 lt PTEMPAO gt lt PTEMPA1 gt 4 880376e 01 lt PTEMPA1 gt lt PTEMPA2 gt 4 555938e 01 lt PTEMPA2 gt lt POFFSET gt 0 000000e 00 lt POFFSET gt lt PRANGE gt 1 000000e 03 lt PRANGE gt lt Calibration gt lt Calibration format SBE43F0 lt SerialNum gt sbe43F lt SerialNum gt lt CalDate gt 27 Aug 13 lt CalDate gt FOffset gt 3 000000e 03 lt FOffset gt S
38. All data separated by cast From a single cast file name By cast number range Enter beginning cast number By cast number range and total number of casts Separate file is written for each cast with 3 digit cast number 001 002 etc Profil appended to user selected file name prerane By scan number range Enter beginning scan See sample number and total number of scans All data Beginning with cast fi within range is uploaded into 1 file From a single cast Enter cast number All data is Number of casts to upload 3 uploaded into 1 file Click to review r Oxygen frequenc Oxygen section does not appear if GPCTD is not z ee modify integrated with optional DO If Apply hysteresis R Coefficients OXY9EN correction selected Seaterm232 performs hysteresis M Apply hysteresis conection calibration corrections on SBE 43F frequency values See coefficients Application Note 64 3 for hysteresis correction details Upload file ocianascivedd ie aneen E come CASBE Glider Payload CTD_70100068_2013_09_25 XML click Browse to navigate to desired upload file path and name Upload file has a xml extension Browse e After Seaterm232 uploads data into xml file it acs automatically converts xml file to cnv file same file name different extension which is compatible with SBE Data Processing Seaterm232 also creates a configuration file same Upload Cancel file name xmlcon extension wh
39. C T and P or 18 samples of C T P and DO this is the maximum amount of data that will be corrupted each time power is removed Example 1 You stop logging do not upload data and remove power when there are 240 000 bytes in FLASH and 100 bytes in buffer When you apply power and resume logging GPCTD fills remaining 156 bytes in buffer with new data writes entire buffer to FLASH and continues logging and writing data to buffer The 100 bytes that were in buffer when power was removed is corrupted data before it from first deployment and data after it from second deployment are unaffected Example 2 You stop logging and upload data when there are 240 000 bytes in FLASH and 100 bytes in buffer The GPCTD correctly uploads data in FLASH as well as data in buffer You remove power after upload is complete 59 Manual revision 005 Appendix Il Command Summa GPCTD Appendix Il Command Summary CATEGORY COMMAND DESCRIPTION GetCD Get and display configuration data setup parameters GetSD Get and display status data GetCC Display calibration coefficients Status GetEC Get and display event counter data ResetEC Delete all events in event counter GetHD Get and display hardware data DS Get and display status and setup parameters DC Get and display calibration coefficients DateTime Set real time clock month day
40. Configuration Sheet Cause Solution 3 The I O cable may not be the correct one or may not be wired properly to the controller The symptom of this problem is data that contains unreasonable values for example values that are outside the expected range of the data Cause Solution 1 Conductivity temperature pressure or optional oxygen data with unreasonable values may be caused by incorrect calibration coefficients in the instrument s EEPROM Verify the calibration coefficients in EEPROM match the instrument Calibration Certificates using the DC command Problem 3 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 has something large lodged in it or is broken Proceed as follows 1 Clean the conductivity cell as described in Application Note 2D Instructions for Care and Cleaning of Conductivity Cells 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 GPCTD in air use the TSR command to look at the raw conductivity frequency the second number in each line of output 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 57 M anual revision 005 Glossary Note
41. E O E E tes ate E 14 Data Stora A AA A EEE E EIEE T E EE E tages 15 Sample Timing snn ri a E K E ii 15 Section 3 Power and Communications Test cscssssscssssecsseees 16 Software Installationins vicars ee een cee E 16 OSU CUL EEE E A TENE A E EEE E ET ORN EE A 16 TLOSL EEE E EEEE T ES E meas estates 17 Section 4 Deploying and Operating GPCTD ssesssessseosseossosssosee 22 Sampling Modes vrn esses eE E RAE REE RRE eik 22 Autonomous Sampling orenen ii E R R 23 Spot Sampling isie eiie a ERR AE RE EERE 25 Command Descriptions esi in eiee Ea E REEE E RR h 26 Data Formats n iee a EEEE EER EE E EEEE E E 42 Optimizing Data Qu lit scse cn sirenenn o elevate deeds 44 Deployment Recovery Technique and Pump Operation cc eeeeeeees 44 Deployment penri n en E cctv sec cgcevss accel R AE E EA ARREN 45 REGCOVELY esai En E EEEIEE E EOE EEEIEE O E E E E RE 46 Uploading and Processing Data cccccceccessseesceeeceesceeseeseceseesaecnseceesaeenaeentes 47 Section 5 Routine Maintenance and Calibration csscsesees 51 Corrosion Precautions enin nk Redes a R R ah HE Si Ee eesti 51 Connector Mating and Maintenance ccccceecessceesceeeceesceecssecsseceenseenneentes 51 Conductivity Cell Maintenance 0 cceccesecseesseeseeeneeeeeeeeeeeeeeseenseenseenseenaeenaes 52 Pressure Sensor Maintemance ccsccesccesecssecseeeseeeseeeeceeeceeeeeeesseeneenseenaeenaes 52 Oxygen Sensor Maintenance
42. ND 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 Do not contaminate
43. O frequency 2 RS 232 data receive 3 D power 3 RS 232 data transmit 4 8 20 VDC external power 2 Route the plumbing Tygon tubing from CTD to optional DO sensor pump and exhaust so that it will not trap air 12 Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD Cables and Wiring Data I O and Power Cable Wiring DN 33511 PN17096 DB 9S FEMALE CONNECTOR PN17097 DB9 CONNECTOR HOOD P1 1 oy o 9 6 Js o 3 4 ste 1E55 1204 CCP P2 P1 IE55 1204 CCP P2 DB 9S BLK RED PAIR PIN 1 WHITE PINS BLK PN2 BAK PN3 a OO BLKf20 PN3 RED PN2 RED 20 PIN4 GREEN R amp D BLK RED TWISTED PAIR 36 LENGTH Pump Cable Wiring DN 33474 P1 P2 w 2 ar 2 IE55W 1002 CCP E TER TE IE55W 1002 CCP PIN2 PIN2 Optional Oxygen Cable Wiring DN 32561 P2 1 1 2 IES5W 1003 CCP IESSW 1003 CCP 13 Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD Glider Payload CTD Internal Wiring Drawing 41734 Data I O and Power Connector Wiring IMPULSE IESS 1204 BCR PN 172578 O RING INCLUDED PIN 1 TO DATA I 0 CONNECTOR J1 PCB 10466 IMPULSE 1E5S W 1002 BCR Pump Connector Wiring PN 172577 O RING INCLUDED MOLEX PUMP CONNECTOR J2 10467 g Optional Oxygen Connector Wiring IMPULSE 1E55 W 1003 BCR PN 171564 MOLEX O RING INCLUDED 17055 Se eon TO OXYGEN CONNECTOR J3 2 1 D A 5 pn 3
44. OC gt 1 000000e 00 lt SOC gt A gt 2 000000e 00 lt A gt B gt 3 000000e 00 lt B gt C gt 4 000000e 00 lt C gt E gt 5 000000e 00 lt E gt Tau20 gt 1 000000e 00 lt Tau20 gt D1 gt 6 000000e 00 lt D1 gt D2 gt 7 000000e 00 lt D2 gt H1 gt 8 000000e 00 lt H1 gt H2 gt 9 000000e 00 lt H2 gt lt H3 gt 1 000000e 01 lt H3 gt lt Calibration gt lt CalibrationCoefficients gt SBE Glider Payload CTD Main Temperature gt Main Conductivity gt Main Pressure gt id Oxygen gt NA A AKA KA AAAA A SerialNumber 70112345 gt TCalDate TA0 TA1 TA2 TA3 TOffset CCalDate CG CH C CJ CPCor CTCor WBOTC PCalDate PA0 PA1 PA2 PTCA0 PTCA1 PTCA2 PTCB0 PTCB1 PTCB2 PTempA0 PTempA1 PTempA2 POffset decibars PRange psia OCalDate OxFoffset OxSoc OxA OxB OxC OxE OxTau20 OxD1 OxD2 OxH1 OxH2 OxH3 29 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Status Commands continued GetEC Get and display event counter data in XML format 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 WDT reset unexpected reset e PON reset power
45. S 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 63 Manual revision 005 Appendix Ill AF24173 Anti Foulant Device GPCTD PRECAUTIONARY STATEMENTS HAZARD TO HUMANS A
46. SB Sea Bird S EA B RD cccecect Electronics GPCTD Glider Payload CTD optional DO Conductivity Temperature and Pressure optional DO Sensor with RS 232 Interface Optional SBE 43F S DO Sensor GPCTD amp s ake i l H AT Manual version e 005 w Firmware version e 1 2 1 amp later a Software versions e Seaterm V2 2 4 1 amp later A e SBE Data Processing 7 23 2 amp later Vehicle Skin CE 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 ar
47. amples 194 hours at 1 Hz or 559 000 CTP amp DO samples 155 hours at 1 Hz Data Formats Real time and uploaded data are output decimal or Hexadecimal characters in units of Siemens meter conductivity degrees C temperature decibars pressure and Dissolved Oxygen frequency Housing Material and Depth Rating Plastic 350 meters 1150 feet Titanium 1500 meters 4920 feet Weight Plastic Housing In air 1 0 kg 2 2 Ibs In water 0 2 kg 0 4 Ibs CTD and Pump Titanium Housing In air 1 2 kg 2 7 lbs In water 0 4 kg 0 9 Ibs Weight Plastic Housing In air 0 3 kg 0 7 Ibs Jn water 0 1 kg 0 2 Ibs Optional DO Sensor Titanium Housing In air 0 4 kg 0 9 lbs In water 0 2 kg 0 4 lbs 11 Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD Dimensions and Connectors 19 8 mm 256 4 mm 10 10 in Oa Kias im onam i Pressure port 7 48 in Forward End View ane verte Note Oxygen connector e Optional if SBE 43F DO sensor not ordered e Included if SBE 43F DO sensor ordered Pump Oxygen Power Data I O 1E55 W 1002 BCR IE55 W 1003 BCR 1E55 1204 BCR E J Z A PaaS OO OO 20 01 400 Pin Description Pin Description Pin Description 1 Pump power common 1 Common 1 Common 2 Pump power SBE 43F With Optional SBE 43F Oxygen Sensor plumbing approximate Notes 1 Cables and plumbing not shown for clarity 2 D
48. ands window to send commands or simply type the commands in the Command Data Echo area if desired 20 Manual revision 005 Note The GPCTD automatically enters quiescent sleep state after 2 minutes without receiving a command This timeout algorithm is designed to conserve power if the user does not send QS to put the GPCTD to sleep If the system does not appear to respond click Connect in the Communications menu to reestablish communications CAUTION Sending PTS causes the pump to turn on Do not run the pump dry The pump is water lubricated running it without water except for very short periods will damage it If testing your system in dry conditions fill the inside of the pump head with water via the pump exhaust tubing This will provide enough lubrication to prevent pump damage during testing Section 3 Power and Communications Test GPCTD 5 Display GPCTD status information by typing DS and pressing the Enter key The display looks like this SBE Glider Payload CTD 1 2 1 SERIAL NO vMain 9 37 vLith 3 04 autorun no samplenumber 57 not logging sample every 1 seconds sample mode is continuous data format raw Decimal do not force on RS232 transmitter transmit real time data acquire SBE 43 oxygen minimum conductivity frequency custom pump mode disabled 12345 25 Sep 2013 09 38 22 free 559183 profiles 3 3011 0 6 Command the GPCTD to take a sample by typing PTS an
49. ap extension Click Capture again to turn off capture Capture status displays in Status bar Upload Upload data stored in memory in format Sea Bird s data processing software can use after further processing see the Tools menu below Uploaded data has xml extension Before using Upload stop logging by sending Stop Several status commands and appropriate data upload command as applicable to user selection of range of data to upload use Upload menu if you will be processing data with SBE Data Processing Tools e Diagnostics log Keep a diagnostics log e Convert XML data file Using Upload menu automatically does this conversion Tool is available if there was a problem with the automatic conversion or if you did not apply oxygen hysteresis correction during upload and decide that you want to apply it before processing data further e Send script Send XML script to GPCTD May be useful if you have a number of GPCTDs to program with same setup See Command Descriptions in Section 4 Deploying and Operating GPCTD 18 Manual revision 005 Computer COM port and baud rate for communication between computer and GPCTD Seaterm232 tries to connect at this baud rate but if unsuccessful will cycle through all available baud rates Note Seaterm232 s baud rate must be the same as the GPCTD baud rate set with BaudRate Baud is factory set to 9600 but can be changed by the
50. atermV2 16 17 47 Sensor calibration 55 Sensors 11 Setup commands 34 Software 10 installation 16 Specifications gt 11 Spot sampling 15 Spot sampling commands 39 Status command 27 Stop bits 14 Storage 52 Super O Lube 58 System description 8 69
51. aust to keep dust and debris out of the system during storage Remove the caps from the end of the intake and exhaust 5 See Deployment Recovery Technique and Pump Operation in Optimizing Data Quality above for Sea Bird recommendations on deployment and recovery techniques to minimize contamination of the conductivity cell and oxygen sensor membrane with surface oils as it enters exits the water 6 When ready to begin a profile if AutoRun Y Apply power to begin sampling if AutoRun N Apply power send any character to wake up the GPCTD and then send Start to begin sampling 45 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Recovery WARNING If the GPCTD stops working while underwater is unresponsive to commands or shows other signs of flooding or damage carefully secure it away from people until you have determined that abnormal internal pressure does not exist or has been relieved Pressure housings may flood under pressure due to dirty or damaged o rings or other failed seals When a sealed pressure housing floods at great depths and is subsequently raised to the surface water may be trapped at the pressure at which it entered the housing presenting a danger if the housing is opened before relieving the internal pressure Instances of such flooding are rare However a housing that floods at 1500 meters depth holds an internal pressure of more than 2000 psia and has the pote
52. ber of digits and the placement of the decimal point Leading zeros are suppressed except for one zero to the left of the decimal point tttttt cccc ccc pppppp VVVV 0000 00 Temperature A D counts tttttt Conductivity Hz cccce cce Pressure A D counts pppppp Pressure temperature A D counts vvvv Optional Oxygen Hz 0000 00 Cig oO eS Example example scan tttttt cccc ccc pppppp VVvvv 0000 00 524372 5970 384 32768 2690 5138 30 Temperature A D counts tttttt 524372 Conductivity Hz cecc ccc 5970 384 Pressure A D counts pppppp 32768 Pressure temperature A D counts vvvv 2690 Oxygen Hz 0000 0 5138 30 43 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Optimizing Data Quality Position other sensors and hardware so that they do not thermally contaminate the water that flows past the GPCTD Route the plumbing Tygon tubing from CTD to optional DO sensor pump and exhaust to that it will not trap air Deployment Recovery Technique and Pump Operation The GPCTD s orientation and plumbing path and good seals combined with optimal pump operation can prevent surface oils and other contaminants from getting into the plumbing conductivity cell and oxygen plenum These oils and contaminants are the primary cause of calibration drift in conductivity sensors and dissolved oxygen sensors Proper deployment technique and pump operat
53. cluded with the uploaded data if Include default header form in upload file was selected Enter the desired header header prompts 9 Click Upload the Status bar at the bottom of the window displays the upload progress A B C Note If you selected Apply hysteresis correction in the Upload Data dialog box the oxygen frequency values in the cnv file have been corrected for hysteresis D E F Seaterm232 sends several status commands and writes the responses to the upload file These commands provide information regarding the number of samples in memory calibration coefficients etc If you selected Prompt for header information in the Upload Data dialog box a dialog box with the header form appears Enter the desired header information and click OK Seaterm232 writes the header information to the upload file Seaterm232 sends the data upload command based on your selection of upload range in the Upload Data dialog box writes the data to the upload xml file and then creates the cnv file from the xml file The cnv file is compatible with the post processing modules in SBE Data Processing If you selected All data separated by cast or By cast number range in the Upload Data dialog box Seaterm232 repeats Steps B and C for each cast Seaterm232 creates a configuration xmlcon file which contains information on GPCTD calibration coefficients This file is used in SBE Data Processing s Derive module
54. d automatically runs pump for sample Remove power Repeat as desired Apply power then send any character to wake up GPCTD Note The GPCTD uses an SBE 43F with a 0 5 mil membrane For the 0 5 mil membrane OxTau20 has a typical average value of 1 5 Actual values for OxTau20 vary check your SBE 43F calibration sheet Adaptive Pump Control Algorithm only applicable if SBE 43F DO sensor installed and enabled A 2 549 1 106 x 107 C 1 571x 10 peor 1 45 x 10 OxTau20 oxygen sensor calibration coefficient see calibration sheet P pressure in decibars T temperature in C ft A B T C T fp e pcor P tau oxtau20 ft fp minimun tau 2 0 maximum tau 10 0 pump time 7 0 tau minimum pump time 15 0 Looking at pump times in the range of oceanographic values using a typical OxTau20 value of 1 5 T P Ft Fp Tau Pump Time C db OxTau20 1 5 before sampling sec OxTau20 1 5 3 1500 2 89 1 24 5 4 37 6 3 0 2 89 1 0 4 3 30 3 0 0 2 549 1 0 3 8 26 8 0 1500 2 549 1 24 4 7 33 2 4 0 2 132 1 0 3 2 22 4 4 1500 2 132 1 24 4 0 28 0 20 0 0 9654 1 0 1 4 2 0 14 15 20 1500 0 9654 1 24 1 8 2 0 14 15 25 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Unpumped Spot Sampling for Diagnostics Unpumped sampling is recommended for diagnostic purposes only yo
55. d baud rate for communication and click OK Note that the factory set baud rate is documented on the Configuration Sheet B Inthe Communications menu select Connect if Connect is grayed out select Disconnect and reconnect Seaterm232 will attempt to connect at the baud specified in Step A but if unsuccessful will then cycle through all other available baud rates C If there is still no communication check cabling between the computer and GPCTD D If there is still no communication repeat Step A with a different comm port and try to connect again 3 Inthe Instruments menu select SBE Glider Payload CTD Seaterm232 opens 5 Ifsampling autonomously command the GPCTD to stop logging by pressing the Enter key typing Stop and pressing the Enter key again 6 Display GPCTD status information by typing DS and pressing the Enter key The display looks like this SBE Glider Payload CTD 1 2 1 SERIAL NO 12345 25 Sep 2013 09 38 22 vMain 9 37 vLith 3 04 autorun no samplenumber 13 free 559227 profiles 3 not logging sample every 1 seconds sample mode is continuous data format raw Decimal do not force on RS232 transmitter transmit real time data acquire SBE 43 oxygen minimum conductivity frequency 3011 0 custom pump mode disabled Verify that the statusis not logging 47 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD 7 Click Upload menu to upload stored
56. d pressing the Enter key The display looks like this if OutputFormat 1 engineering units decimal characters 1174 49 9 4867 3 99516 2610 58 1174 49 pressure db 9 4867 temperature degrees C 3 99516 conductivity S m 2610 58 dissolved oxygen frequency Hz These numbers should be reasonable for the present environment of your instrument for example in air in fresh water or in seawater where 7 Command the GPCTD to go to sleep quiescent state by typing QS and pressing the Enter key The GPCTD is ready for programming and deployment 21 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Section 4 Deploying and Operating GPCTD This section includes discussions of e Sampling modes including pump operation and example commands e Command descriptions e Data formats e Optimizing data quality e Deployment e Recovery e Uploading and Processing Data Sampling Modes The GPCTD has four sampling modes for obtaining data Continuous Fast Interval Slow Interval and Spot Sampling The first three are what we call autonomous sampling once sampling is started the GPCTD automatically takes samples until commanded to stop Descriptions and examples of the sampling modes follow Note that the GPCTD s response to each command is not shown in the examples Review the operation of the sampling modes and the commands described in Command Descriptions before setting up you
57. d to modify parameter in parentheses gethd lt HardwareData DeviceType SBE Glider Payload CTD SerialNumber 70112345 gt lt Manufacturer gt Sea Bird Electronics Inc lt Manufacturer gt lt FirmwareVersion gt 1 2 1 lt FirmwareVersion gt lt FirmwareDate gt Sep 20 2013 13 17 19 lt FirmwareDate gt lt CommandSetVersion gt 1 1 lt CommandSetVersion gt lt PCBAssembly gt 41720A lt PCBAssembly gt SetPCBAssembly1 lt PCBSerialNum gt 50763 lt PCBSerialNum gt SetPCBSerialNum1 lt PCBAssembly gt 41660B lt PCBAssembly gt SetPCBAssembly2 lt PCBSerialNum gt 50874 lt PCBSerialNum gt SetPCBSerialNum2 lt PCBAssembly gt 41661B lt PCBAssembly gt SetPCBAssembly3 lt PCBSerialNum gt 49205 lt PCBSerialNum gt SetPCBSerialNum3 lt PCBAssembly gt 41662A lt PCBAssembly gt SetPCBAssembly4 lt PCBSerialNum gt 48720 lt PCBSerialNum gt SetPCBSerialNum4 lt MfgDate gt 01 Aug 2013 lt MfgDate gt SetMfgDate lt FirmwareLoader gt SBE 37 FirmwareLoader V 1 0 lt FirmwareLoader gt lt InternalSensors gt lt Sensor id Temperature gt lt type gt temperature 1 lt type gt lt SerialNumber gt 12345 lt SerialNumber gt lt Sensor gt lt Sensor id Conductivity gt lt type gt conductivity 1 lt type gt lt SerialNumber gt 12345 lt SerialNumber gt lt Sensor gt lt Sensor id Pressure gt lt type gt strain 0 lt type gt lt SerialNumber gt psn lt SerialNumber
58. data Seaterm232 responds as follows A Seaterm232 sends several status commands and displays the responses providing information on the instrument setup and number of samples and profiles in memory B Inthe Save As dialog box enter the desired upload file name and click OK The upload file has a XML extension Note C An Upload Data dialog box appears If binary upload is selected Seaterm232 uploads the data in binary x and then converts it to ASCII text T resulting in a data file that is identical Upload Data Header Form Select to enable ASCII text or to one uploaded in ASCII text binary upload Binary is approximately twice as fast m Upload format memory Summary Select number of bytes uploaded in each block Text Binary Bytes 195 Seaterm232 uploads data in blocks and calculates a Samples 13 checksum at end of each block If block fails checksum F SamplesFree 559227 verification Seaterm232 tries to upload block of data m Block size bytes SampleLength 15 again cutting block size in half Profiles 3 Defines data upload type and range m Upload data options e All data as a single file All data uploaded into 1 file C R C e All data separated by cast All data uploaded All data as a single file By scan number range Separate file is written for each cast with 3 digit cast number 001 002 etc appended to user selected
59. e Part 1 General Requirements Declaration based upon compliance to 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 mee ral Name Nordee Egger nd Title of Signatory President Date 3 September 2013 Place Bellevue WA Manual revision 005 Table of Contents GPCTD Table of Contents Limited Liability Statement ccscccccssscsecsssesccssssccessssersssseeses 2 Declaration of Conformity ccccccssccsccscsscsecscscesccscesceesesersseseeees 3 Table of Contents sc ssccssscssscssscssscssssnsssncscssssesssensscscscssssssssccsscoeee 4 Section 1 Imtroduction sccsscsssccssevssescscesesssssessscssscssssssssssescoees 6 About this Manuals niasa Rai A A A Ha 6 QUICK SEALE ses sche eo ek Secs oc N A E a ek aS E e coe CaS 6 Unpacking GPCTD ves asien aa e eh Sieg Pee os OS 7 Section 2 Description of GPCTD e seesseesseossoossoossoossoossoossoossoosssossso 8 System Description cccccccececsseessesseeeseeeeceseceseceaeceaecsaecaeecaeeeeeseeeeeeeeseeeeeeerenstees 8 SPeECiiCatlons EAEE EEE LEA E E ee cad onde cee eS ieee 11 Dimensions and Connectors cccesceeseseseeeecseeeneeeneeeeeeeeceeeneenseeneeseenaeenaes 12 Cables and NATAT m te E E E E EE EE 13 J DaN Ta V E A
60. e ability to output data in XML 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 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 58 Manual revision 005 Appendix Functional Description and Circuit GPCTD Appendix I Functional Description and Circuitry Sensors and Sensor Interface Sensors e The GPCTD embodies the same temperature and conductivity sensor elements pressure protected thermistor and 3 electrode 2 terminal borosilicate glass cell previously employed in Sea Bird s MicroCAT and Argo float products e The pressure sensor is a Druck strain gauge sensor e The optional oxygen sensor is the SBE 43F a frequency output version of the SBE 43 Dissolved Oxygen Sensor voltage output sensor Sensor interfaces e 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 el
61. e and Cleaning of Conductivity Cells for rinsing cleaning and storage procedures and materials The pressure port plug has a small vent hole to allow hydrostatic pressure to be transmitted to the pressure sensor inside the instrument while providing protection for the pressure sensor keeping most particles and debris out of the pressure port Periodically approximately once a year inspect the pressure port to remove any particles debris etc 1 Unscrew the pressure port plug from the pressure port 2 Rinse the pressure port with warm de ionized water to remove any particles debris etc 3 Replace the pressure port plug Oxygen Sensor Maintenance CAUTIONS e Do not use a brush or any object on the oxygen sensor membrane to clean it as you may tear it e Do not store the GPCTD with water in the oxygen sensor plenum Freezing temperatures for example in Arctic environments or during air shipment can tear the membrane if the plenum is full of water Refer to Application Note 64 Dissolved Oxygen Sensor Background Information Deployment Recommendations and Cleaning and Storage for rinsing cleaning and storage procedures and materials for the optional oxygen sensor 52 Manual revision 005 Section 5 Routine Maintenance and Calibration GPCTD Replacing Anti Foulant Devices Mechanical Design Change The T C Duct also serves as the anti foulant device fitting The following page d
62. e data in decimal engineering units and to start sampling automatically when power applied Verify setup with status command Remove power Apply power then send any character to wake up DATETIME 05092014090000 RESETLOGGING INTERVAL 1 TXREALTIME Y OUTPUTFORMAT 1 AUTORUN Y GETCD to verify setup Qs Remove power When ready to deploy Fill conductivity cell and plumbing with fresh water Put glider in water send down below the surface so the GPCTD does not ingest dirty surface water Apply power to GPCTD sampling starts automatically When ready to recover but before glider is at surface to avoid ingesting dirty surface water by turning off pump before it reaches surface e Remove power you will lose any data in the 256 byte RAM buffer up to 22 samples of CTP or 19 samples of CTP amp DO or e To avoid losing small amount of data in buffer do not remove power until after you have uploaded data Send Stop you may need to send it several times before GPCTD responds and then send GetSD to verify sampling stopped response should show lt AutonomousSampling gt no lt AutonomousSampling gt On deck or on land upload GPCTD data from memory if desired 1 Click Connect in Seaterm232 s Communications menu to connect and wake up 2 Click Upload Seaterm232 leads you through screens to define data to be uploaded and where to store it 3 Send QS and remove power 24 Manual revision 005 Section 4 Deployin
63. e temperature al PTempA2 F F pressure temperature a2 PTCA0 F F pressure temperature compensation a0 PTCA1 F F pressure temperature compensation al PTCA2 F F pressure temperature compensation a2 PTCBO0 F F pressure temperature compensation b0 PTCB1 F F pressure temperature compensation b1 PTCB2 F F pressure temperature compensation b2 POffset F F pressure offset decibars Note Optional Oxygen a OCalDate S S calibration date The GPCTD always outputs OxSoc F F Soc Dissolved Oxygen as raw oxygen OxTau20 F F Tau20 Hz frequency DO calibration OxFOffset F F offset Hz coefficients are used only to create OxA F F A the configuration xmlcon file OxB F F B when you upload data from OxC F F C memory The xmicon file is used to OxE F F E process the data in SBE Data OxD1 F F D1 x Processing see Uploading and OxD2 F F D2 Processing Data OxH1 F F H1 OxH2 F F H2 OxH3 F F H3 Hardware Configuration Commands The following commands are used to set manufacturing date PCB serial numbers PCB assembly numbers and auxiliary channel sensor types and serial number at the factory do not modify in the field SetMfgDate SetPCBSerialNum1 SetPCBAssembly1 SetPCBSerialNum2 SetPCBAssembly2 SetPCBSerialINum3 SetPCBAssembly3 SetPCBSerialNum4 SetPCBAssembly4 41 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Data Formats Note The GPCTD s pressure sensor is an absolute s
64. ecautionary information on product label see Appendix III before proceeding e Use needle nose pliers and carefully break up material It is a violation of US Federal Law e Ifnecessary remove the guard to provide easier access to use this product in a manner inconsistent with its labeling Place the new Anti Foulant Device in the cup 4 Rethread the cap onto the cup Do not over tighten 5 Ifthe MicroCAT is to be stored reinstall the protective plug Note that the plugs must be removed prior to deployment or pressurization If the plugs are left in place during deployment the cell will not register conductivity If left in place during pressurization the cell may be destroyed CAUTION Anti foulant device cups are attached to the guard and connected with tubing to the cell Removing the guard without disconnecting the cups from the guard will break the cell If the guard must be Cup removed Plug Cap 1 Remove the two screws connecting each anti foulant device cup to the guard 2 Remove the four Phillips head screws connecting the guard to the housing and sensor end cap 3 Gently lift the guard away 54 Manual revision 005 Sensor Calibration Note After recalibration Sea Bird enters the new conductivity temperature pressure and optional oxygen calibration coefficients in the GPCTD s EEPROM and ships the instrument back to the user with Calibration Certificates sh
65. ements 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 e Conductivity is acquired using an ultra precision Wien Bridge oscillator to generate a frequency output in response to changes in conductivity e Pressure is acquired by applying an AC excitation to the pressure bridge 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 A silicon diode embedded in the pressure bridge is used to measure the temperature of the pressure bridge This temperature is used to perform offset and span corrections on the measured pressure signal Memory The GPCTD has an 8 Mbyte non volatile FLASH memory FLASH memory is non volatile data in FLASH is not lost as a result of removal of power Because FLASH is written to a page 256 bytes at a time data is first accumulated in a 256 byte RAM buffer When the buffer is full its contents are transferred to FLASH The buffer is volatile and thus depends on external power any data that is in the buffer when power is removed will be corrupted C T and P are stored in 12 bytes sample optional DO adds 3 bytes sample Thus the 256 byte buffer can hold 22 samples of
66. ensor so its raw output includes the effect of atmospheric pressure 14 7 psi As shown on the Calibration Sheet Sea Bird s calibration and resulting calibration coefficients is in terms of psia However when outputting pressure in engineering units the GPCTD outputs pressure relative to the ocean surface i e at the surface the output pressure is 0 decibars The GPCTD uses the following equation to convert psia to decibars Pressure db pressure psia 14 7 0 689476 The GPCTD stores data in a compact machine code Data is converted and output in the user selected format without affecting data in memory Because memory data remains intact until deliberately overwritten you can upload in one format then choose another format and upload again Output format is dependent on OutputFormat 0 1 or 2 The inclusion of oxygen data is dependent on the GPCTD configuration if OxygenInstalled N the oxygen data is omitted shortening the data string OutputFormat 0 engineering units in Hex Data is output in the order listed with no spaces or commas between the parameters Shown with each parameter is the number of digits and how to calculate the parameter from the data use the decimal equivalent of the hex data in the equations ppppptttttcccccoo000 1 Pressure decibars ppppp 100 10 2 Temperature C ITS 90 ttttt 10 000 5 3 Conductivity S m ccecce 100 000 0 05 4 Optio
67. eq Autonomous sampling directs the GPCTD to turn on the pump and sample conductivity temperature pressure and optional oxygen at the user set Interval The GPCTD pump is water lubricated running it dry for an extended period of time will damage it To prevent the pump from running dry while sampling in autonomous Continuous or Interval sampling mode the GPCTD checks the raw conductivity frequency Hz from the last sample against the user input minimum conductivity frequency MinCondFreq If the raw conductivity frequency is greater than MinCondFregq it runs the pump otherwise it does not run the pump If the minimum conductivity frequency is too close to the zero conductivity frequency from the GPCTD Calibration Sheet the pump may turn on when the GPCTD is in air as a result of small drifts in the electronics Some experimentation may be required to control the pump particularly in fresh water applications Interval x x interval sec between samples e x 4 GPCTD is in Continuous Sampling mode Pump and all sampling circuitry remain on continuously GPCTD samples every 1 2 3 or 4 sec There is no power saving over Hz 1 sec sampling if sampling at 2 3 or 4 sec intervals but less memory is used x 5 14 GPCTD is in Fast Interval Sampling mode Pump runs continuously and measurements are made at chosen interval x 15 3600 GPCTD is in Slow Interval Sampling mode CTD only no DO measurements
68. erialNum2 Set PCB 2 serial number SetPCBSeriaINum3 Set PCB 3 serial number Hardware P _ SetPCBSerialNum4 Set PCB 4 serial number Configuration SetPCBAssembly1 Set PCB 1 assembly number SetPCBAssembly2 Set PCB 2 assembly number SetPCBAssembly3 Set PCB 3 assembly number SetPCBAssembly4 Set PCB 4 assembly number 6l Manual revision 005 Appendix Ill AF24173 Anti Foulant Device GPCTD Appendix Ill 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 00 cece cece eee eee eenee 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 62 Manual revision 005 Appendix Ill AF24173 Anti Foulant Device GPCTD AF24173 Anti Foulant Device FOR USE ONLY IN SEA BIRD ELECTRONICS CONDUCTIVITY SENSORS TO CONTROL THE GROWTH OF AQUATIC ORGANISM
69. es if GPCTD response to command requires additional time x N Do not Example Set GPCTD to output Executed and Executing tags user input in bold outputexecutedtag y lt Executed gt geted GetCD response lt Execu Note lt 1 ted gt Executed gt tag at end of command response takes place of S gt prompt Note Output format does not affect how data is stored in FLASH memory Typical use of the output format command is e Before beginning sampling gt If you will use Seaterm232 to view real time data Set output format to converted decimal for ease in viewing real time data gt If you will use your controller to acquire real time data Set output format as desired e After stopping sampling use Seaterm232 s Upload menu to upload data from memory This automatically uploads data in a form that is compatible with SBE Data Processing for processing data OutputFormat x 34 x output format See Data Formats after these command descriptions for complete details x 0 Output data in hexadecimal converted engineering units data for pressure temperature conductivity and frequency for dissolved oxygen x 1 Output data in decimal converted engineering units data for pressure temperature conductivity and frequency for dissolved oxygen x 2 Output data in decimal raw data frequencies and counts for diagnostic use at Sea Bird Manual revision
70. eveloped for an SBE 37 SM MicroCAT provides details on handling the Anti Foulant Device However those mechanical details for accessing the Anti Foulant Device are not valid for the GPCTD Follow these instructions to access the Anti Foulant Device O e Anti Foulant Device cover gt Remove 4 40 screws 4 ee 1 Using an Allen wrench remove the four 4 40 screws securing the Anti Foulant Device cover Pull the cover off Anti foulant device cup 2 Replace the Anti Foulant Device in the cup around the temperature sting 3 Replace the cover reinstalling the four 4 40 screws 53 Manual revision 005 Section 5 Routine Maintenance and Calibration GPCTD Replacing Anti Foulant Devices SBE 37 SI SM IM The MicroCAT has an anti foulant device cup and cap on each end of the cell New MicroCATs are shipped with an Anti Foulant Device and a protective AF24173 plug pre installed in each cup Anti Foulant Device Wearing rubber or latex gloves follow this procedure to replace each Anti WARNING Foulant Device two AF24173 Anti Foulant Devices contain bis tributyltin oxide 1 Remove the protective plug from the anti foulant device cup Handle the devices only with rubber or latex gloves Wear eye 2 Unscrew the cap with a 5 s inch socket wrench protection Wash with soap and water after handling 3 Remove the old Anti Foulant Device If the old device is difficult to remove Read pr
71. f a period for the decimal symbol Some customers have found corrupted data when using the software s binary upload capability while set to other languages To update your computer s language and decimal symbol instructions are for a Windows 7 operating system 1 In the computer Control Panel window select Region and Language 2 In the Region and Language window on the Formats tab select English in the Format pull down box 3 In the Region and Language window click the Additional settings button In the Customize Format window select the period in the Decimal symbol pull down box and click OK 4 In the Region and Language window click OK Proceed as follows 1 Install a data I O cable 4 pin IE55 to DB 9S with external power leads or battery snap aligning the pins Notes e The I O cable is not included as 2 Double click on SeatermV2 exe The main screen appears part of the typical shipment and must be ordered separately e Connect the I O cable as described in Power and Communications Test in Section 3 Preparing 4 Seaterm232 tries to automatically connect to the GPCTD As it connects GOCTD for Deployment it sends GetHD and displays the response Seaterm232 also fills the Send Commands window with the correct list of commands for your GPCTD If there is no communication A Inthe Communications menu select Configure The Serial Port Configuration dialog box appears Select the Comm port an
72. g and Operating Glider Payload CTD GPCTD Spot Sampling Single measurements and transmission of P CTP or CTP and DO can be commanded for testing diagnostic vehicle control or situational awareness purposes but data is not stored in memory Pumped Spot Sampling PTS command GPCTD runs the pump before sampling ensuring a conductivity and optional dissolved oxygen measurement based on a fresh water sample Pump time varies e No SBE 43F DO sensor installed OxygenInstalled N The GPCTD runs the pump for 11 3 sec and continues to run the pump for an additional 2 1 sec while the measurement is made e SBE 43F DO sensor installed OxygenInstalled Y Oxygen sensor response time and the corresponding length of time the pump needs to run before taking a sample is dependent on temperature and pressure Oxygen sensor response time increases with increasing pressure and decreasing temperature Therefore the GPCTD takes a preliminary measurement of temperature and pressure but does not store the preliminary values in memory uses those values to calculate the required pump time runs the pump and then takes a fresh measurement of all parameters This Adaptive Pump Control is described in more detail below PTS Remove power Example Spot Sampling user input in bold Example 1 Apply power and send any character to wake up GPCTD Command GPCTD to take a sample and output data in decimal engineering units using PTS comman
73. gt lt Sensor gt lt InternalSensors gt lt ExternalSensors gt lt Sensor id Oxygen gt lt type gt SBE4 3F lt type gt lt SerialNumber gt 12345 lt SerialNumber gt lt Sensor gt lt ExternalSensors gt lt HardwareData gt 31 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Status Commands continued DS Display operating status and setup parameters List below includes where applicable command used to modify parameter e Firmware version serial number date and time e External power voltage internal lithium battery voltage e Start sampling automatically when power applied AutoRun e Number of samples in memory space available for additional samples number of profiles in memory reset with ResetLogging e Logging status not logging logging or unknown status e Sample interval for autonomous sampling Interval e Sampling mode Continuous Fast Interval sampling or Slow Interval sampling based on Interval e Data output format OutputFormat e Enable Tx when Rx is valid RS232ForceOn e Transmit real time data for autonomous sampling TxRealTime e Enable measurements with SBE 43F dissolved oxygen sensor OxygenInstalled e Minimum conductivity frequency for pump turn on MinCondFreq e Enable custom pump mode to run pump at fast speed even if no oxygen sensor installed CustomPumpMode Example
74. ich contains information on GPCTD calibration coefficients This file is used in SBE Data Processing s Derive module for calculating derived variables Make the desired selections 48 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD 8 Click the Header Form tab to customize the header 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 Don t include default header form in upload file Header information not included in upload file xj Upload Data Header Form eader Choice Prompt for Header Information Prompt for line 01 Shi ts S Prompt for line 02 Cruise ss Prompt for line 03 Station SS Prompt for line 04 Latitude ss Prompt for line 05 longitude ss Prompt for line 06 if tS Prompt for line 07 rT sist Prompt for line 08 e F Promptforine SSS Prompt for line 10 a Prompt for line 11 C Prompt for line 12 OoOo O The entries are free form 0 to 12 lines long This dialog box establishes the header prompts that appear for the user to fill in when uploading data if Prompt for header information was selected the header in
75. inout drawings Add information on oxygen sensor coefficients all oxygen data is output in Hz calibration coefficients are used to create xmlcon file for post processing in SBE Data Processing Update SeatermV2 screen capture Provide Tygon part number and size for plumbing Update Triton website information Update Unpacking section to remove computer power supply cable Add Declaration of Conformity Correct typos 003 004 01 13 09 13 Add CE mark to cover page Add information about limitations with 115200 baud rate Update software compatibility information Clarify use of Send Last Sample command during autonomous sampling Clarify that unpumped spot sampling is recommended for diagnostics only Add cable and wiring diagrams Fix typos Firmware 1 2 1 Add SetSampleNum command Change AutoRun Y functioning GPCTD now does not reset memory when power is removed Add information that sampling continues if the FLASH memory is filled but excess data is not stored to memory Update SeatermV2 screen capture Serial Port Configuration dialog box and Upload dialog box Update Declaration of Conformity 005 02 15 Correct OutputFormat 2 in Command Summary appendix output is decimal not hex Add information on PC settings for binary upload Add caution regarding using Parker Super O Lube not Parker O Lube which is petroleum based Remove standard and optional language related to GPCTD fea
76. ion to prevent intrusion of surface oils and contaminants follows 1 On Deployment When not in use store the GPCTD dry see Section 5 Routine Maintenance and Calibration Fill the plumbing system conductivity cell optional dissolved oxygen sensor and plumbing with clean water just before deployment Deploy the GPCTD without removing the water holding the glider so that the GPCTD intake and exhaust are pointing up As the glider and GPCTD break the surface oils and other surface contaminants will float on the water at the intake and exhaust preventing contaminants from getting into the plumbing conductivity cell and DO plenum Once the GPCTD is below the contaminated water surface layer and the controller sends the command to turn the pump on and sample the GPCTD will expel any remaining water from the system and draw in seawater 2 On Recovery Stop sampling to turn off the pump before the GPCTD reaches the surface Hold the glider so that the GPCTD intake and exhaust are pointing up seawater will be held in the plumbing As the glider and GPCTD break the surface oils and other surface contaminants will float on the seawater at the intake and exhaust preventing contaminants from getting into the plumbing conductivity cell and DO plenum Turn over the glider when it is on deck emptying the seawater from the GPCTD s plumbing so the oil floating on the intake and exhaust surfaces does not get into the system 44 Manual
77. ising from the use or servicing of this system Manual revision 005 Declaration of Conformity GPCTD 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 7 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 Us
78. mperature 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 Pressure Sensor Calibration The GPCTD s strain gauge pressure sensor is capable of meeting the GPCTD s error specification with some allowance for aging and ambient temperature induced drift Pressure sensors show most of their error as a linear offset from zero A technique is provided below for making small corrections to the pressure sensor calibration using the offset POffset calibration coefficient term by comparing GPCTD pressure output to readings from a barometer Allow the GPCTD to equilibrate with power on in a reasonably constant temperature environment for at least 5 hours before starting Pressure sensors exhibit a transient change in their output in response to changes in their environmental temperature Sea Bird instruments are constructed to minimize this by thermally decoupling the sensor from the body of the instrument However there is still some residual effect allowing the GPCTD to equilibrate before starting will provide the most accurate calibration correction 55 Manual revision 005 Section 5 Ro
79. nal Oxygen Hz 00000 10 Example ppppptttttccccc 003 EE463AA0139B e Pressure ppppp 003EE 1006 decimal pressure decibars 1006 100 10 0 06 e Temperature ttttt 463AA 287658 decimal temperature C ITS 90 287658 10 000 5 23 7658 e Conductivity cecce 0139B 5019 decimal conductivity S m 5019 100 000 0 05 0 00019 e Oxygen 00000 0C887 51383 Decimal oxygen Hz 51383 10 5138 30 OutputFormat 1 engineering units in Decimal Data is output in the order listed with a comma between each parameter Shown with each parameter are the number of digits and the placement of the decimal point Leading zeros are suppressed except for one zero to the left of the decimal point PPPPpp pp ttt tttt cc ccccc 00000 00 1 Pressure decibars ppppp pp 2 Temperature C ITS 90 ttt tttt 3 Conductivity S m cc ccecc 4 Optional Oxygen Hz 00000 00 Example ppppp pp ttt tttt cc ceccc 0 06 23 7658 0 00019 5138 30 Pressure decibars 0 06 Temperature C ITS 90 23 7658 Conductivity S m 0 00019 Oxygen Hz 00000 00 5138 30 42 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD OutputFormat 2 raw data in Decimal This format is used at Sea Bird for calibration and diagnostics Data is output in the order listed There is a comma and a space between each parameter Shown with each parameter are the num
80. ntake sail allows measurements to be made outside of the vehicle s boundary flow where old water is thermally contaminated by the vehicle producing TS errors The pump pulls water into the duct at top of the intake sail and immediately past a temperature sensor Water then flows through an anti foulant cylinder through the conductivity cell and out the top of the exhaust sail to prevent exhaust re circulation and Bernoulli pressure differences from changing the flow rate The outside of the conductivity cell is free flushed to minimize salinity errors If the cell were located inside the flooded fairing a thermal mass error resulting from temperature difference between the poorly flushed volume inside the hull and the ambient ocean temperature measured by the CTD would produce salinity errors The connecting neck electronics housing modular pump and DO sensor are meant to locate in a flooded space inside the glider hull Pump tubing between the conductivity cell and the pump intake and from the pump outlet to the exhaust fitting on the sail are not shown The locations of the pump and DO sensor within the flooded volume are not pre determined but tubing lengths should be as short as possible and avoid sharp bends and the pump centrifugal impeller and tubing orientation should avoid trapping air that will interfere with pump priming Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD Note The GPCTD s pump is not
81. ntial to eject the end cap with lethal force A housing that floods at 50 meters holds an internal pressure of more then 85 psia this force could still cause injury If you suspect the GPCTD is flooded point it in a safe direction away from people and loosen the 4 screws on the sensor end cap about turn If there is internal pressure the end cap will follow the screws out and the screws will not become easier to turn In this event loosen the bulkhead connector on the other end cap very slowly at least 1 turn This opens an o ring seal under the connector Look for signs of internal pressure hissing or water leak If internal pressure is detected let it bleed off slowly past the connector o ring Then you can safely remove the sensor end cap See Deployment Recovery Technique and Pump Operation in Optimizing Data Quality above for Sea Bird recommendations on orienting the GPCTD during recovery to minimize contamination of the conductivity cell and oxygen sensor membrane with surface oils Rinse the GPCTD with fresh water See Section 5 Routine Maintenance and Calibration for conductivity cell and dissolved oxygen sensor rinsing cleaning and storage 46 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Uploading and Processing Data Note For best performance and compatibility Sea Bird recommends that customers set their computer to English language format and the use o
82. onData gt 27 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Status Commands continued Note respo but in The DS response contains similar information as the combined GetSD nses from GetSD and GetCD a different format Get and display status data in XML format which contains data that changes while deployed List below includes where applicable command used to modify parameter Device type Serial number Date and time DateTime in ISO8601 2000 extended format yyyy mm ddThh mmss Number of recorded events in event counter reset with ResetEC Voltages and currents Main battery voltage Back up lithium battery voltage Memory reset with ResetLogging 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 Number of profiles in memory Logging status not logging logging or unknown status lt lt lt Power gt lt vMain gt 9 37 lt vMain gt lt vLith gt 3 04 lt vLith gt lt Power gt lt MemorySummary gt lt Bytes gt 855 lt Bytes gt lt Samples gt 57 lt Samples gt lt SamplesFree gt 559183 lt SamplesFree gt lt SampleLength gt 15 lt SampleLength gt lt Profiles gt 3 lt Profiles gt lt MemorySummary gt lt AutonomousSampling gt no lt StatusData gt Example
83. our yearly equipment maintenance Inspect connectors that are unmated for signs of corrosion product around the pins and for cuts nicks or other flaws that may compromise the seal When remating 1 Very lightly lubricate the face of the dummy plug cable connector with silicone grease DC 4 or equivalent 2 Install the dummy plug cable connector aligning the pins 3 Place the locking sleeve over the plug cable connector Tighten the locking sleeve finger tight only Do not overtighten the locking sleeve and do not use a wrench or pliers Verify that cables are installed before deployment 51 Manual revision 005 Conductivity Cell Maintenance CAUTIONS e Do not put a brush or any object inside the conductivity cell to dry it or clean it Touching and bending the electrodes can change the calibration Large bends and movement of the electrodes can damage the cell e Do not store the GPCTD 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 Pressure Sensor Maintenance Pressure port plug CAUTION Do not put a brush or any object in the pressure port Doing so may damage or break the pressure sensor Section 5 Routine Maintenance and Calibration GPCTD The GPCTD s conductivity cell is shipped dry to prevent freezing in shipping Refer to Application Note 2D Instructions for Car
84. owing the new coefficients Section 5 Routine Maintenance and Calibration GPCTD 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 temperature pressure and optional oxygen sensors on the GPCTD are supplied fully calibrated with coefficients stored in EEPROM in the GPCTD and printed on their respective Calibration Certificates We recommend that the GPCTD be returned to Sea Bird for calibration 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 the 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 Te
85. p decibars This command does not run pump before sampling SL Send last sample of all parameters from buffer and transmit data in units defined by OutputFormat SLP Send last sample of pressure data from buffer in decimal engineering units ppppp pp decibars 39 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Pump On Off Commands CAUTION Do not run the pump dry The pump is water lubricated running it without water will damage it If briefly testing your system with the PumpFast or PumpSlow command in dry conditions orient the GPCTD to provide an upright shape for the plumbing Then fill the plumbing with water via the intake and exhaust This will provide enough lubrication to prevent pump damage during brief testing The pump runs automatically for autonomous sampling Continuous and Interval when the conductivity frequency exceeds MinCondFregq and runs automatically for the PTS spot sampling command Use pump commands e Before sending TS TSR or TSN spot sampling commands or e To test pump or e To remove sediment from inside conductivity cell DO sensor plenum and or plumbing PumpFast Turn pump on at fast speed supplying 5 V to pump appropriate voltage if there is an SBE 43F DO sensor plumbed in flow path Used to test pump or to run it to remove sediment from inside conductivity cell DO sensor plenum and or plumbing Pump runs continuousl
86. perature A2 TA3 F F Temperature A3 CCalDate S S Conductivity calibration date CG F F Conductivity G CH F F Conductivity H CI F F Conductivity I CJ F F Conductivity J Coefficients CPCor F F Conductivity pcor F floating CTCor F F Conductivity tcor point number WBOTC F F Conductivity circuit temperature correction S string with PCalDate S S Pressure calibration date no spaces PA0 F F Pressure AO PA1 F F Pressure Al Dates shown PA2 F F Pressure A2 ane woes PTempA0 F F Pressure temperature AO calibrations He PTempA1 F F Pressure temperature Al a aR d PTempA2 F F Pressure temperature A2 ee PTCA0 F F Pressure temperature compensation ptca0 co fficienis PTCA1 F F Pressure temperature compensation ptcal are initially PTCA2 F F Pressure temperature compensation ptca2 factory set and PTCBO0 F F Pressure temperature compensation ptcb0 PTCB1 F F Pressure temperature compensation ptcb1 should agree p with PTCB2 F F Pressure temperature compensation ptcb2 Calibration POffset F F Pressure offset correction decibars Certificates OCalDate S S Oxygen calibration date shipped with OxSoc F F Oxygen SOC GPCTD OxTau20 F F Oxygen Tau20 OxFOffset F F Oxygen offset Hz OxA F F Oxygen A OxB F F Oxygen B OxC F F Oxygen C OxE F F Oxygen E OxD1 F F Oxygen D1 OxD2 F F Oxygen D2 OxH1 F F Oxygen H1 OxH2 F F Oxygen H2 OxH3 F F Oxygen H3 SetMfgDate Set manufacturing date SetPCBSerialNum1 Set PCB 1 serial number SetPCBS
87. r if sampling near the surface and expecting many bubbles in flow x N Do not override pump setting defined by OxygenInstalled Note Using CustomPumpMode Y adds to power draw when sampling CTP only use following values instead of values in Specifications in Section 2 Description of Glider Payload CTD Continuous sampling e CTP only real time no 220 mW e CTP only real time yes 235 mW Fast Interval sampling e CTP only real time no 0 225 interval 0 113 Joules measurement e CTP only real time yes 0 172 interval 0 153 Joules measurement Slow Interval sampling e CTP only real time no 1 812 interval 0 002 Joules measurement e CTP only real time yes 1 728 interval 0 043 Joules measurement Spot sampling e CTP only 2 34 0 043 W sec until next command Joules measurement Quit session and place GPCTD in quiescent sleep state Power to digital and analog electronics is turned off Memory retention is not affected Note QS The GPCTD enters quiescent state automatically without sending QS if it is not sampling and does not receive a command for 2 minutes 35 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Autonomous Sampling Commands CAUTION The GPCTD always runs the pump in response to a Spot sampling pumped command PTS regardless of the conductivity frequency from the last sample and the setting for MinCondFr
88. r system 22 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Autonomous Sampling Autonomous sampling can be started and stopped by command if AutoRun N or by simply applying and removing power if AutoRun Y A file header 20 bytes is created each time Continuous or Interval Sampling is initiated and contains beginning and ending sample numbers sample mode time between samples and cast starting date time A maximum of 1000 headers casts can be stored Note Data from Continuous or Interval Sampling are stored in memory for later If the FLASH memory is filled to upload If TxRealTime Y data is also output in real time increasing power capacity sampling continues but consumption slightly A Send Last Sample command can be executed without excess data is not saved in memory i e the GPCTD does not overwrite the data in memory interrupting Continuous or Interval Sampling If the CTD is taking a sample in Interval Sampling mode when the command is sent the reply is delayed slightly until the current sample is completed Continuous Sampling The pump and the acquisition circuitry run continuously and the CTD or CTD DO samples every 1 2 3 or 4 sec producing a time series suitable for application of high quality finish corrections for dynamic errors observed in the data e g response filtering alignment thermal mass correction There is no power saving over Hz 1 sec
89. sor Calibration and Data Corrections using Winkler Titrations for making small corrections to the oxygen sensor calibration by comparing oxygen output to Winkler titrations from water samples This application note was written for an SBE 43 Dissolved Oxygen Sensor a voltage output sensor incorporated with a profiling CTD integrated with a water sampler However the basic technique can be adapted for use with the GPCTD which incorporates the SBE 43F a frequency output version of the SBE 43 56 Manual revision 005 Section 6 Troubleshootin GPCTD Section 6 Troubleshooting This section reviews common problems in operating the GPCTD and provides the most likely causes and solutions Problem 1 Unable to Communicate with GPCTD Problem 2 Unreasonable Data If OutputExecutedTag N the S gt prompt indicates that communications between the GPCTD and computer have been established Before proceeding with troubleshooting attempt to establish communications again by clicking Connect on SEATERM s toolbar or sending any character Cause Solution 1 The I O cable connection may be loose Check the cabling between the GPCTD and computer for a loose connection Cause Solution 2 The instrument type and or its communication settings may not have been entered correctly in Seaterm232 Verify the settings in the Serial Port Configuration dialog box Communications menu gt Configure The settings should match those on the instrument
90. ssolved Oxygen DO Sensor Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD The GPCTD is supplied with a powerful Windows software package e Help files provide detailed Seasoft V2 which includes 2S information on the software e SeatermV2 terminal program for easy communication and data retrieval e A separate software manual on CD SeatermV2 is a launcher and launches the appropriate terminal program ROM contains detailed information for the selected instrument Seaterm232 for RS 232 instruments such as on the setup and use of SBE Data the GPCTD Processing e SBE Data Processing program for calculation and plotting of e Sea Bird supplies the current conductivity temperature pressure auxiliary sensor data and derived versioni of oo software when you variables such as salinity and sound velocity 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 Notes 10 Manual revision 005 Section 2 Description of Glider Payload CTD GPCTD Specifications Temperature Conductivity Pressure Measurement 5 to 42 C 0 to 9 S m 0 to 100 0 to 350 0 to 1000 0 to 2000 m Range 0 to 90 mS cm in meters of deployment depth capability A 7 0 to 6 S m Calibration Range 1 to 32 C 0 to
91. successful will then cycle through all other available baud rates C Ifthere is still no communication check cabling between the computer and GPCTD and try to connect again D If there is still no communication repeat Step A with a different comm port and try to connect again After Seaterm232 displays the GetHD response it provides an S gt prompt to indicate it is ready for the next command 19 Manual revision 005 Section 3 Power and Communications Test GPCTD Taking a look at the Send Commands window Send Commands SBE Glider Payload CTD Commands Status General Setup Set Date and Time Set Baud serial communication Rate Enable RS 232 Tx Enable Output of Executed and Executing tac Set data Output Format Enable SBE 43F DO Enable custom fast pumping Enter Quiescent sleep State Autonomous Sampling Data Upload Spot Sampling Pump On Off Calibration Coefficients H Hardware Configuration Click on desired command description in list Hb Help for command DateT ime Format for DateTime string is mmddyyyyhhmmss month day year hour minute second Help box describes selected command in more detail m Argument for command DateTime Enter any command arguments such as date and time for setting date and time in this box Click Execute when ready Kinin This box to send selected DateTime shows selected command command You can use the Send Comm
92. t Start pump and start autonomous sampling Stop pump and autonomous sampling Press Enter key Stop before sending St efore sending Stop UCx Upload cast x First cast is cast 1 Data Upload UH Upload all headers Run pump take 1 sample ofall parameters transmit PTS data in units defined by OutputFormat and turn pump off If DO sensor installed time that pump runs is dependent on T and P Take 1 sample of all parameters transmit data in units TS defined by OutputFormat Does not run pump before sampling If desired send a pump command Spot before and after sending TS to turn pump on and off Sampling Take 1 sample of all parameters transmit raw data Does TSR not run pump before sampling If desired send a pump command before and after TSR to turn pump on and off TP Take 1 pressure sample transmit data ppppp pp db SL Send last sample of all parameters from buffer and transmit data in units defined by OutputFormat Send last sample of pressure data from buffer in decimal SLP j engineering units ppppp pp db 60 Manual revision 005 Appendix Il Command Summary GPCTD CATEGORY COMMAND DESCRIPTION PumpFast Turn pump on at fast speed Pump On Off PumpSlow Turn pump on at slow speed PumpOff Turn pump off TCalDate S S Temperature calibration date TAO F F Temperature AO TA1 F F Temperature Al TA2 F F Tem
93. tures Add information on O ring maintenance Update language on where to find updated software on website Switch to Sea Bird Scientific cover 67 Manual revision 005 Index A Anti Foulant Device replacing 54 Anti Foulant Devices 62 replacing 53 Autonomous sampling commands 36 B Batteries 11 Baud 34 Baud rate 14 C Cables 13 Calibration 11 55 Calibration coefficients commands 41 CE certification 3 Circuitry 59 Cleaning 52 Command summary 60 Commands autonomous sampling 36 baud 34 calibration coefficients 41 communication 34 continuous sampling 36 data format 34 data upload 38 47 date time 34 descriptions 26 format 34 hardware configuration 41 interval sampling 36 output format 34 oxygen 35 polled sampling 39 pump 35 36 pump on off 40 setup 34 spot sampling 39 status 27 upload 38 47 Communication commands 34 Communication defaults 19 Conductivity sensor maintenance 52 Conductivity sensor calibration 55 Connector maintenance 51 Connectors 12 Continuous sampling 15 Continuous sampling commands 36 Corrosion precautions 51 Index 68 GPCTD D Data bits 14 Data format 34 42 Data I O 14 Data processing 47 50 Data storage 11 15 Data upload 47 Data upload commands 38 Date time commands 34 Declaration of Conformity 3 Deployment installation 45 optimizing data quality 44
94. u must run the pump to get good quality data e TS or TSR command GPCTD pump does not turn on automatically before sampling If desired send PumpFast or PumpSlow to turn the pump on before sending TS or TSR send PumpOff to turn the pump off after taking the sample e TSN x command GPCTD pump does not turn on automatically before sampling If desired send PumpFast or PumpSlow to turn the pump on before sending TSN x send PumpOff to turn the pump off after taking the samples Example Unpumped Spot Sampling user input in bold Apply power and send any character to wake up GPCTD Command GPCTD to turn pump on with 4 V power take a sample and output raw data and turn pump off Remove power Repeat as desired Apply power then send any character to wake up GPCTD PUMPSLOW TSR PUMPOFF Remove power Command Descriptions This section describes commands and provides sample outputs See Appendix II Command Summary for a summarized command list When entering commands e Establish communications by selecting Connect in Seaterm232 s Communications menu or pressing the Enter key e Input commands to the GPCTD in upper or lower case letters and register commands by pressing the Enter key e The GPCTD sends an error message if an invalid command is entered e if OutputExecutedTag N If the GPCTD does not return an S gt prompt after executing a command press the Enter key to get the S gt prompt
95. us data in memory and making entire memory available for recording GPCTD requires verification when ResetLogging is sent command must be sent twice x sample number for last sample in memory SetSampleNum 0 is equivalent to ResetLogging Typically only used to recover data if you accidentally initialize logging using ResetLogging before uploading all data Do not send SetSampleNum 0 until all data has been uploaded x Y When power applied start pump and start autonomous Continuous or Interval sampling automatically When power removed stop sampling and stop pump x N Wait for command when power applied Default Start pump and start autonomous Continuous or Interval sampling Stop pump and stop autonomous sampling Press Enter key before entering Stop Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Data Upload Commands You must stop autonomous sampling before uploading data For data output formats see Data Formats Note UCx Upload cast x First cast is cast 1 If you remove power before uploading data you may lose up to 256 bytes of data in the RAM buffer 22 samples Click Capture menu and enter desired filename in dialog box of CTP 18 samples CTD and DO uc1 See Appendix Functional Description and Circuitry Example Upload cast 1 to a file user input in bold UH Upload all headers Example Upload all headers to a file
96. utine Maintenance and Calibration GPCTD a ae pressure sensor is an 1 Place the GPCTD in the orientation it will have when deployed absolute sensor so its raw output includes the effect of atmospheric 2 In Seaterm232 pressure 14 7 psi As shown on the A Set the pressure offset to 0 0 POffset 0 Calibration Sheet Sea Bird s B Send OutputFormat 1 to set the output format to decimal engineering calibration and resulting calibration units Coemeentg iS n terms otpsia C Send TSN 100 to sample 100 times and transmit converted data in However when outputting pressure in engineering units the GPCTD outputs pressure relative to the ocean engineering units decibars for pressure surface i e at the surface the output 3 Compare the GPCTD output to the reading from a good barometer at the pressure is 0 decibars The GPCTD same elevation as the GPCTD s pressure sensor uses the following equation to convert Calculate offset barometer reading GPCTD reading psia to decibars Pressure db 4 Enter calculated offset positive or negative in the GPCTD s EEPROM pressure psia 14 7 0 689476 using POffset in Seaterm232 Offset Correction Example Absolute pressure measured by a barometer is 1010 50 mbar Pressure displayed from GPCTD is 2 5 db Convert barometer reading to decibars using the relationship mbar 0 01 db Barometer reading 1010 50 mbar 0 01 10 1050 db The GPCTD s internal
97. 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 64 Manual revision 005 Appendix Ill AF24173 Anti Foulant Device GPCTD 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 other purpose Offer for recycling if available Sea Bird Electronics label revised 01 28 10 65 Manual revision 005 Appendix IV Replacement Parts GPCTD a Appendix IV Replacement Parts Part or As Quantity Number Part Application Description in i
98. y drawing current Send PumpOff to stop Note that 1 GPCTD does not check minimum conductivity frequency when user sends PumpFast 2 PumpFast has no effect on pump operation while sampling PumpSlow Turn pump on at slow speed supplying 4 V to pump appropriate voltage if there is no SBE 43F DO sensor plumbed in flow path Used to test pump or to run it to remove sediment from inside conductivity cell DO sensor plenum and or plumbing Pump runs continuously drawing current Send PumpOff to stop Note that 1 GPCTD does not check minimum conductivity frequency when user sends PumpSlow 2 PumpSlow has no effect on pump operation while sampling PumpOff Turn pump off if it was turned on with PumpFast or PumpSlow Note that PumpOff has no effect on pump operation while autonomous Continuous or Interval sampling 40 Manual revision 005 Section 4 Deploying and Operating Glider Payload CTD GPCTD Coefficients Commands Use the commands listed below to modify a particular coefficient or date Note Temperature F floating point number TCalDate S S calibration date S string with no spaces ace a TA2 F F A2 TA3 F F A3 Conductivity CCalDate S S calibration date CG F F G CH F F H CI F F I CJ F F J CPCor F F pcor CTCor F F tcor WBOTC F F conductivity temperature Pressure PCalDate S S calibration date PA0 F F A0 PA1 F F Al PA2 F F A2 PTempA0 F F pressure temperature a0 PTempA1 F F pressur

Glider Payload CTD Manual - Sea

Contents

Download Pdf Manuals

Related Search

Related Contents