Sea-Bird Scientific SBE 25plus User Manual Download Page 1

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User manual

SBE 25plus Sealogger CTD

Conductivity, Pressure, Temperature Recorder

Document No.

SBE25plus

Release Date:

2021-09-27

Version:

Firmware:

1.0 & up

Software:

Seasoft V2

425-643-9866

seabird.com

Summary of Contents for SBE 25plus

Page 1: ...User manual SBE 25plus Sealogger CTD Conductivity Pressure Temperature Recorder Document No SBE25plus Release Date 2021 09 27 Version A Firmware 1 0 up Software Seasoft V2 425 643 9866 seabird com ...

Page 2: ......

Page 3: ... and recovery 21 5 1 Set up for deployment 21 5 1 1 Example setup 22 5 2 Pump operation 23 5 3 Real time data setup 23 5 4 Real time data collection 24 5 4 1 Standard output format 25 5 4 1 1 Equations to write user made software 25 5 4 2 Real time data collection with a Deck Unit 27 5 4 3 Output format for autonomous water sampler 27 5 5 Recommendations for quality data 27 5 6 Recover 25plus from...

Page 4: ... and store data for unknown serial sensor 54 9 1 2 Set up and store Triplet data 55 9 1 3 Set up and store SeaOWL data 55 9 1 4 Set up and store SUNA data 56 9 1 5 High current draw sensor integration 57 Section 10 Troubleshooting 59 10 1 No communications with sensor 59 10 2 No data recorded 59 10 3 Cannot see data in Seasave software 59 10 4 Scan length error 59 10 5 Bad data 59 10 6 Cannot use ...

Page 5: ... sensor for deployment a If necessary make sure that all data stored in the sensor is transmitted to a PC b Set the date and time and configure the data collection settings c Send the DS and DC commands to verify setup 4 Remove the yellow protective label from the plumbing intake and exhaust 5 Deploy the sensor For most applications make sure the connector is at the bottom lowest point 6 Immediate...

Page 6: ...SBE 25plus quick start guide 4 ...

Page 7: ...in air water Cage in air water 20 0 11 5 kg 22 5 13 5 kg 6 7 5 9 kg 2 1 1 Dimensions 2 1 2 Connectors and cables J3 auxiliary differential input 6 7 Contact Function Contact Function MCBH6MP 1 Common 4 Voltage 7 signal 2 Voltage 6 signal 5 Voltage 7 common 3 Voltage 6 common 6 Auxiliary power out 5 ...

Page 8: ...n 3 Voltage 2 common 6 Auxiliary power out J0 auxiliary differential input 0 1 Contact Function Contact Function MCBH6MP 1 Common 4 Voltage 1 signal 2 Voltage 0 signal 5 Voltage 1 common 3 Voltage 0 common 6 Auxiliary power out Connector Contact Function MCBH3MP J4 Conductivity 1 Common 2 Conductivity frequency 3 Auxiliary power out Connector Contact Function MCBH3MP J5 Temperature 1 Common 2 Temp...

Page 9: ...TX 6 Auxiliary power in 14 20 VDC Figure 1 Y cable Figure 2 Data I O cable Figure 3 SBE 4 to CTD cable Notes The Y cable from J7 connects to the pump and a data I O power cable so the system can connect to a PC for setup and to transmit data and to externally power the 25plus Auxiliary sensors that draw more than 1 amp even momentarily must be connected to J3 or J6 Refer to High current draw senso...

Page 10: ...urrent draw pump 150 mA Current draw communications 70 mA Current draw low power powered by internal batteries 70 µA Current draw low power powered by external batteries 175 µA 2 4 Analytical Parameter Range Accuracy Resolution Conductivity 0 70 mS cm 0 003 mS cm 0 0001 mS cm Temperature 5 35 C 0 002 C 5 35 C 0 0001 C Pressure various to 7000 m 0 1 full scale range 0 002 full scale range Specifica...

Page 11: ...d P 10 bytes sample storage 2 000 000 000 10 200 000 000 samples Example 2 2GB memory 4 auxiliary sensors T C and P 10 bytes sample External voltages 2 bytes per sample 4 sensors 8 bytes per sample storage 2 000 000 000 10 8 111 111 111 samples The 25plus can be integrated with an SBE 32 Carousel Water Sampler or an SBE 55 ECO Water Sampler It can also be used with an SBE 36 Deck Unit and Power Da...

Page 12: ...Figure 4 SBE 32 Figure 5 SBE 36 Overview 10 ...

Page 13: ... control of the SBE 32 The AFM monitors the pressure data from the 25plus in real time and closes the water sample bottles at user specified depths or when the system is stopped for a specified period of time The bottle number the firing confirmation and five scans of CTD data are stored the AFM memory for each bottle The SBE 55 operates almost the same as the AFM Figure 7 SBE 32 Overview 11 ...

Page 14: ...Figure 8 SBE 55 Overview 12 ...

Page 15: ...are automatically connects at the default baud rate of 9600 but will try others if necessary The software automatically looks for the serial port number of the connected sensor 6 At the Instruments menu item select the software version associated with the communication protocol of the sensor 7 Push OK to close this window The main window opens The area on the left shows available commands The larg...

Page 16: ...load Upload data from the sensor to a PC Data is in an xml format and is automatically converted to a hex and xmlcon file for the Data Conversion software module Tools Diagnostics log saves diagnostic data Use Convert xml data file to manually convert data if the automatic Upload does not convert the data Send script sends the same setup information to a number of MicroCAT sensors Options Select d...

Page 17: ... an outside diameter OD of 19 mm x in Make sure the pump exhaust is as far away as possible from the intake so that water from the exhaust is not pulled into the temperature sensor intake the pump make the exhaust water warmer which can result in incorrect temperature data Attach a 13 mm section of 9 5 mm ID Tygon tubing at the DO sensor intake Put a 13 mm ID section over the smaller tubing to mak...

Page 18: ...I O pump and external power bulkhead connector J7 If external power of more than 14 V is supplied the 25plus uses the external power even if the main battery voltage is higher The 25plus can also operate from the external power supply without the internal battery pack installed On a ship cables longer than 3 meters should be installed inside a grounded metal conduit by a qualified electrician Make...

Page 19: ...limit 2 ohms wire resistance per foot 2 0 0107 ohms ft 93 ft or 28 m 28 m 91 m so the IR drop in power is the factor that controls cable length Use a higher voltage power supply or another wire gauge to increase the cable length Table 1 Common wire resistance Gauge Ohms ft 12 0 0016 14 0 0025 16 0 0040 18 0 0064 20 0 0081 22 0 0107 24 0 0162 26 0 0410 28 0 0653 4 5 Battery pack WA RNING Explosion ...

Page 20: ... wear before you open the pressure housing Any electrostatic charge on the body of the human operator must be released before the pressure housing is opened put a hand on a grounded surface or better wear a grounded antistatic wrist strap At a minimum wear short sleeved antistatic clothing such as cotton or better wear an antistatic smock for this service activity Do not wear a sweater fleece or p...

Page 21: ...lection the 25plus stops and the software shows Powerfail Connect auxiliary sensors with a current draw of more than 1 A to J3 or J6 on the 25plus The on board lithium batteries are a back up to the buffer and the real time clock in case of a failure of the main batteries Battery removal has no effect on the clock and the data in the buffer 4 6 Plunger switch The plunger switch is located at the e...

Page 22: ...Set up sensor and verify operation 20 ...

Page 23: ...n on page 23 for details on pump operation 5 1 Set up for deployment Use the Seasave software to configure the 25plus to collect data in real time 1 Make sure there are new batteries installed in the 25plus or that the cells installed have sufficient power to complete the scheduled deployment 2 Install the necessary cables or dummy plugs on each of the connectors on the 25plus and the applicable s...

Page 24: ...NMEA data that is added through a Deck Unit State 1 is echo only mode no NMEA or Surface PAR data is transmitted and is useful to set up a CTD 12 Push Start a If you selected Begin archiving data immediately or Begin archiving when Start Archiving is sent and selected Prompt for Header Information in the Header Form Setup in Configure Outputs enter any information to be included in the header and ...

Page 25: ...e pump tubing can release Make sure that the air bleed valve stays below the surface of the water to keep the pump primed If the pump prime is lost pull the plunger switch out to the Off position Wait at least 3 seconds then push the switch to the On position and submerge the 25plus completely Wait for the pump to turn on and then start the deployment The pump turns on when the raw conductivity fr...

Page 26: ...7 5 4 Real time data collection The 25plus automatically adjusts the real time output rate to the permitted values shown below based on the baud rate and the number of voltage sensors Use Seasave to look at data in table or as plots as raw data or converted engineering units data Seaterm232 lets the user save data to a user selected file but this data cannot be processed by the Data Processing sof...

Page 27: ... measurements of the 25plus and diagnostic output The variable area has serial sensor output which may be asynchronous The example below shows the hexidecimal format Notes Seaterm232 always gets all of the selected data from memory in raw hexidecimal format so that the SBE Data Processing software can use it The pressure sensor is an absolute sensor The raw output OutputFormat 0 includes the effec...

Page 28: ...data It is stored in memory and transmitted from there The information below is saved with each scan Location Hex Variable Encoding b3 b0 000b Vout fault 0 no fault 1 fault Bit position corresponds to channel b7 b4 000b Vout enable 0 no fault 1 fault Bit position corresponds to channel b15 b8 0xii auxiliary current Raw ADC counts b23 b16 0xii system current Raw ADC counts b24 0b memory full File s...

Page 29: ...bars 200 100 100 decibars scan number ssssss 0001F0 496 decimal scan number 496 5 5 Recommendations for quality data These are general guidelines to help users get the best quality data from a deployment Note that sea state conditions and winch and deck gear configurations may require some changes to get the best quality data and prevent mechanical problems The 25plus is designed to profile at rat...

Page 30: ...e pressure did not increase 5 6 Recover 25plus from deployment WA RNING If the user thinks that the alkaline batteries have leaks pressure may have built up inside of the pressure housing Follow ESD protocols to release internal pressure Put on safety glasses and protective gloves and make sure that the sensor is pointed away from the body and other people In a well ventilated very SLOWLY loosen t...

Page 31: ...ansmit to the PC There are two types of files xml the data file from the CTD with UTC date and time at the start of deployment Serial sensor data is included if SetEnableSer1 Y and Ser2 or SetInlineSer1 Y and Ser2 This data is in hexidecimal format and is compatible with Seasave and SBE Data Processing software txt if the 25plus is set up with 1 or more serial sensors and SetEnableSer1 Y and Ser2 ...

Page 32: ...ntents and file structure of the 25plus data by date 6 Copy or drag the files to a selected location on the PC 7 Make sure that all data has been transmitted a Use Seasave to show the raw hexidecimal data from the xml file in engineering units b Use SBE Data Processing software to process and make a plot of the data 6 3 Convert data Convert the xml or hex data to a cnv engineering units file with ...

Page 33: ...flange Make sure to examine these at regular intervals to verify that they are securely attached and in good condition Replace when corrosion has reduced either one to less than 50 Do not attach metal objects directly to the pressure housing 7 2 Plumbing Clean the Tygon tubing at regular intervals to prevent clogged plumbing or air release valve To clean the air release valve 1 Remove the Tygon tu...

Page 34: ... disconnect to disconnect the conductivity cell then use the manufacturer supplied conductivity cell kit to clean the cell 7 5 Disassemble and reassemble TC duct NOTIC E Use slow deliberate movements to disassemble or assemble the TC duct to prevent damage to the temperature or conductivity sensor Do this procedure in a laboratory not on a ship Prepare the temperature and conductivity duct to send...

Page 35: ... the sensor s out of the bracket Flush the cell with clean DI water and blow clean air through the cell to remove larger droplets of water Don not use compressed air it typically has oil vapor Attach a length of Tygon tubing from one end of the cell to the other to prevent contamination 10 Assemble the temperature and conductivity sensors again a If necessary move sensors into the mounting bracket...

Page 36: ...e leaks pressure may have built up inside of the pressure housing Follow ESD protocols to release internal pressure Put on safety glasses and protective gloves and make sure that the sensor is pointed away from the body and other people In a well ventilated very SLOWLY loosen the bulkhead connector to release the pressure Keep away from heat sparks flame and other sources of ignition Do not smoke ...

Page 37: ...Remove the batteries if the 25plus will be stored for a long period Store batteries at a temperature between 5 C and 30 C 1 Remove the battery end flange opposite the end with connectors a Clean the outside of the end flange and the housing Make sure all parts are dry b Turn the end flange counter clockwise to remove it c Use a lint free cloth or tissue to remove any water from the O ring surfaces...

Page 38: ...essure housing and tighten into position Use a wrench if necessary 7 7 Clean bulkhead connectors NOTIC E Do not use WD 40 or petroleum based lubricants on bulkhead connectors It will cause damage to the rubber Damaged connectors can cause a loss of data and additional costs for service Damaged connectors can cause damage to the sensor and make it unserviceable Examine clean and lubricate bulkhead ...

Page 39: ...t dry Dow Corning Molykote III Compound DC III Dow Corning High Vacuum Grease DC 976 V Dow Corning 4 Electrical Insulating Compound DC 4 Dow Corning Molykote 44 High Temperature Grease DC 44 Use a finger to put a small quantity approximately 1 cm in diameter of silicone grease on the socket end of the connector and push as much of the lubricant as possible into each socket Do not use too much lubr...

Page 40: ... the electrical circuitry of the cell This value is reported on the Calibration page for the sensor and should be stable within 1 Hz over time Because the main cause of calibration drift in conductivity sensors is from biofouling the manufacturer recommends that the user clean the temperature and conductivity duct before and after a deployment but also when the cell has been in water contaminated ...

Page 41: ...com or con files 4 Use different pressures with the dead weight pressure generator and collect data with the 9plus Show the output in decibars 5 Do a linear regression on the data to calculate slope and offset 6 Enter the calculated values in the xmlcon or con configuration file 7 Fill the pressure port fitting with silicon oil from the manufacturer supplied kit 7 9 3 Temperature The main cause of...

Page 42: ...minum housings and carousel frames 23155 1 Spare replacement SBE 25plus CTD and SBE 17plus SeaRAM magnetic plunder switch 50366 0 ROV AUV custom integration TC carrier kit Puts 3F and 4C into a single mountable unit single line of 9 x 0 261 inch bolt holes with 0 375 inch spacing 50355 Pump to 25plus main housing mount kit 802113 25plus battery pack alkaline 12 D cell Maintenance 40 ...

Page 43: ...e C then Enter to stop the sensor as it transmits data The sensor will does not respond to any commands while it collects data 8 1 Status GetCD Show configuration data Example user entries in boldface GETCD ConfigurationData DeviceType SBE25plus SerialNumber 0250003 Serial SerialPort0 SetBaudConsole BaudConsole 9600 BaudConsole SetEchoConsole EchoConsole 1 EchoConsole SerialPort0 SerialPort1 SetEn...

Page 44: ... SerialPort2 Settings SetVAuxDelay0 vaux0delay 0 vaux0delay SetVAuxDelay1 vaux1delay 0 vaux1delay SetVAuxDelay2 vaux2delay 0 vaux2delay SetVAuxDelay3 vaux3delay 0 vaux3delay SetMinCondFreq mincondfreq 0 mincondfreq SetPumpDelay pumpdelay 60 pumpdelay SetExecutedTag setexecutedtag 60 setexecutedtag Settings RealTimeOutput SetOutputFormat outputformat 60 outputformat SetHistoricRate historicrate 1 h...

Page 45: ...stop the response GetCC Show calibration coefficients Same as the Calibration Certificates from the manufacturer Example user entries in boldface GetEC Show event counter Some events include Power On Reset 25plus turned on and has completed self checks Console Buffer Overflow the Receive buffer was full Text to be added was lost Ser1 Buffer Overflow the Receive buffer was full Text to be added was...

Page 46: ...stop bit no parity 6 Parity frame RX FIFO break error on UART1 Ser1 These characters are lost Make sure the attached serial device is set to 8 bits 1 stop bit no parity 7 Parity frame RX FIFO break error on UART2 Ser2 These characters are lost Make sure the attached serial device is set to 8 bits 1 stop bit no parity 8 Parity frame RX FIFO break error on UART3 power monitor The power supply contro...

Page 47: ...tFiles Show the cast xml and serial sensor txt summary file names from the 25plus Show all files in memory There can be up to two file types in memory xml files have T C P and auxiliary voltage sensor data and serial sensor data if SetInlineSer Y txt files have auxiliary serial sensor data if SetInlineSer N Reference command descriptions 45 ...

Page 48: ...ore times during execution if the response to the command requires additional time QS Puts the 25plus in low power mode Main power is turned off Notes The baud rate of the sensor must agree with the baud rate in the Seaterm232 software Send the baud rate command two times The sensor changes to the new baud after the first entry then waits for the command to be sent again In Seaterm232 go to the Co...

Page 49: ...here are two channels for auxiliary serial RS232 sensors This is the below InitSer Reset all serial sensor setup parameters to the default from the manufacturer Requires confirmation SetEnableSer x x Y Enable serial sensor to measure x N Disable serial sensor to measure default SetNameSer x String of 0 10 characters with information about the serial sensor Default for serial channel 1 is SetNameSe...

Page 50: ...the 25plus does not receive a termination character it no longer waits after SetFailOutSer Default 254 SetSuppressSer x x Y Default The termination character SetTermCharSer and prompt SetPromptSer sent from the serial sensor to the 25plus do not show in the data file x N The termination character and prompt sent from the serial sensor to the 25plus show in the data file SetTimeoutSer Maximum time ...

Page 51: ...ot show output SetVOut2 x x Y if SetOutputFormat 0 show real time data from voltage channel 2 x N Do not show output SetVOut3 x x Y if SetOutputFormat 0 show real time data from voltage channel 3 x N Do not show output SetVOut4 x x Y if SetOutputFormat 0 show real time data from voltage channel 4 x N Do not show output SetVOut5 x x Y if SetOutputFormat 0 show real time data from voltage channel 5 ...

Page 52: ...e Show the file index number and name for the file selected with SetFile UploadData x y Transmit the selected file Start at character x and transmit a total of y characters Range is 0 to 232 1 To cancel push Esc DeleteFile Erase the selected file Requires confirmation the 25plus updates all file index numbers larger than this one after the file is erased The 25plus resets SetFile after the file is...

Page 53: ...f power is supplied externally to a serial sensor use SetVauxPower3 Y to supply power to the connector to which the serial sensor is attached 8 10 Calibration coefficients F floating point number S String with no spaces Calibration coefficients are set by the manufacturer and should be the same as the Calibration Certificates that ship with the 25plus They should also be the same as the values sto...

Page 54: ...first character in the string Temperature and conductivity sensor SetTempSer x SetCondSer x The commands below are used to set auxiliary channel sensor types and serial number The sensor type is informational only and does not change the operation of the 25plus Auxiliary voltage sensor SetVoltType0 Set the serial number of the sensor installed on voltage channel 0 Same for each other Type 1 7 SetV...

Page 55: ...s not necessary to send a string SetExecCharSer 13 Triplet SeaOWL have no measurement or start string No character is sent Decimal value of command termination character the 25plus adds to end of command SetMeasStringSer and SetStartStringSer SetTermCharSer 254 Triplet SeaOWL decimal value of termination character sent at end of response 254 carriage return line feed r n If the 25plus does not rec...

Page 56: ...er is used by the 25plus to tell if a response is complete The prompt is sent from the serial sensor to the 25plus to show that it is ready to receive commands 5 If the execution and termination characters and prompt for the serial sensor are known set them with SetExecCharSer SetTermCharSer and SetPromptSer in that order The communications will seem slow if these are incorrect because SetTimeoutS...

Page 57: ...RLF is removed from the serial data before it is saved If the output from the sensor is more than one line that is lost Command Description SetNameSer String 0 10 characters for information only when data is stored in line SetInlineSer Y Store serial sensor data in memory inline with T C P and auxiliary voltage sensor data in xml file SetSuppressSer N Y or N The termination character and CRLF is a...

Page 58: ...on character SetTermCharSer and prompt SetPromptSer in data file 9 1 4 Set up and store SUNA data The SUNA V2 oerates and collects data when power is supplied so it is not necessary to send a command to collect data 1 Connect the SUNA to a PC and supply power 2 Use the manufacturer supplied UCI software to configure the sensor Baud rate 38400 Operational mode Continuous Logging level WARN 3 Discon...

Page 59: ...2 A at 12 5 V to the four auxiliary voltage sensor connectors J0 J1 J2 J3 and the auxiliary serial sensor connector at J6 This supply is not connected directly the output pins it goes through a current monitor that isolates a connector if the load is more than 1 A even momentarily The limit is electronic Turn the power off then on again to reset it The current limiter can be disabled for J3 and J6...

Page 60: ...Serial sensor integration 58 ...

Page 61: ...t there is an error Cause The scan length does not match the selected xmlcon configuration file The software continues with real time data collection but does not show or make a plot of it There is not effect on the quality of the data Solution Correct the configuration file error in the Data Processing software and process the data as necessary Verify that the settings in the configuration file a...

Page 62: ...erify the calibration coefficients agree with the calibration sheet of the sensor 10 6 Cannot use the USB to communicate Cause Some USB connectors do not connect correctly with the USB port in the 25plus The indicator light may turn on even if all of the pins are not securely connected Make sure the RS232 connection works correctly Solution Use another USB cable Troubleshooting 60 ...

Page 63: ...nd on the packing list 6 Use 3rd day air to ship the sensor back to the manufacturer Do not use ground shipping 7 The manufacturer will supply all replacement parts and labor and pay to send the sensor back to the user via 3rd day air shipping 11 2 Waste electrical and electronic equipment Electrical equipment that is marked with this symbol may not be disposed of in European public disposal syste...

Page 64: ...General information 62 ...

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