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ISAR User Manual v2.01

1. CSV EA ire Example Units Description Format Position 0 1S485 NMEA style identifier String ISO 8601 time string 1 20030523T134544Z yymmddThhmmssZ YearMothDayTHourMinuteSecondz Integer 2 Ch 0 2 33 Various User defined RS485 device 0 outputs see bit 9 String of Status flags 3 Ch 1 0 0045 Various User defined RS485 device 1 outputs see bit 9 String of Status flags 4 Ch 2 109 2 Anus User defined RS485 device 2 outputs see bit 9 String of Status flags 5 Ch 3 10 3 dere User defined RS485 device 3 outputs see bit 9 String of Status flags 6 Ch 4 1000 2 Various User defined RS485 device 4 outputs see bit 9 String of Status flags 7 Ch 5 0 234523 Variaus User defined RS485 device 5 outputs see bit 9 String of Status flags 8 Ch 6 0 023415 Various User defined RS485 device 6 outputs see bit 9 String of Status flags 9 Ch 7 7 456432 Various User defined RS485 device 7 outputs see bit 9 String of Status flags Serial number of ISARinstrument and serial j 1 4382 ISARID KTISID number of KT15 instrument e g 1 4832 cnar Note that a 1S485 record will be terminated by the ISAR instrument ID field regardless of the number of outputs For example if a single RS485 was connected to ISAR the following output might be obtained IS485 Ch 0 99 234 1 4832 However if two external RS485 devices one multi channel and one single channel were connected the output would be obtained
2. 7 4 2 Setting the ScanDrum park angle The scan drum park angle refers to the default angle at which the scan drum will be placed when the ISAR shutter is closed Itis set using the following line of the isarconf cfg file A2 encoder park angle normally over lower blackbody float deg ENCODER _PARK 280 0 Notes 1 The park angle is an absolute rotational position with a zero position dependent on the ISAR 5D shaft encoder reference position Normally O is vertically up 180 is vertically down The shaft encoder must be configured appropriately 2 The default position sets the scan aperture to view the lower BB Parking the scan drum in this position prevents water ingress 7 4 3 Setting the shutter open delay following a rain event Following a rain event a delay period is required a to allow rainwater to drain away from the ISAR and b to be sure that the rain event has actually stopped The delay is entered as n cycles where the delay time is approximately calculated as n 2 seconds A recommended choice of delay is n 350 If you are working with the ISAR in the laboratory for a calibration then a rain event delay is not required Use the following line of the isarconf cfg to reduce the shutter open delay following a rain event Page 20 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Number of cycles n to wait after rain event has finished time is n 2 secs lLab 60 Field
3. Issue 2 01 1 Introduction The Infrared Sea surface temperature Autonomous Radiometer model 5 ISAR 5 has been developed to provide accurate and reliable measurements of the radiative sea surface temperature SSTskin to an accuracy of 0 1 K by measuring infrared emission from the sea surface and atmosphere in the spectral waveband 9 8 11 5um see Table 1 1 without the need for frequent operator intervention One of the major problems with obtaining accurate SSTskin measurements from ships has been adequate environmental protection of delicate infrared radiometer fore optics Seawater spray or rain can introduce significant errors and in extreme cases destroy instrumentation The ISAR 5 system has been specifically designed to address these problems and to provide a self calibrating infra red radiometer system that can operate autonomously for extended periods when deployed from a ship of opportunity SOO As SSTskin measurements benefit from being supplemented by other coincident measurements in most applications additional meteorological or oceanographic instrumentation can be connected to the ISAR 5 system to provide a complete user specified measurement package Table 1 1 ISAR 5D Instrument Specifications Spectral range 9 6 11 5um Response time 0 05 10s user defined SSTskin Accuracy 0 1K rmse Temperature range 173 373 K 180 nadir zenith in 0 1 Target angie ranga intervals user defined Maxi
4. PNI sensor pitch warning limit deg float PITCH LIMIT 2 0 L23 PNI sensor roll warning limit deg float ROLL_LIMIT 2 0 Notes 1 Pitch and roll limits are used to provide warnings only reported via the StatusWord bits 7 8 2 If ROLL_PITCH_STOP see 7 3 16 is set to 1 the instrument will shut down ISAR behaves like it would in a rain event 7 4 20 Using the ISAR RS485 sub system ISAR allows for the connection of RS485 devices to the main system and to log data from these devices directly into the ISAR data stream The following parameters must be set in the isarconf cfg file for each RS485 device a A label for the device B The RS485 address x The device specific read command Each RS485 device should be configured to an appropriate baud rate with no stop bits and no parity The following isarconf cfg lines allow for RS485 configuration Up to 8 External RS485 devices can be sequentially defined RS485 n NAME label for device RS485 non ADDRESS RS485 address RS485 pn COMMAND device specific read command RS485_1 NAME RhoPD_D1102_CM11_ Solarimeter RS485_ 1 ADDRESS 4 RS485_1 COMMAND 4RD In this example a single RS485 device has been configured with the title RnhoPD_D1102_CM11Solarimeter It is located at address 4 and the data read command is 4RD Notes 1 The present system assumes that a numeric data value is received prefixed by an identifier character is the RhoPoint default return P
5. 2 Voltage KT15 voltage Float 3 Voltage 24V supply Float 4 Amps Scan drum supply current Float 5 Voltage BB2 Thermistor 1 voltage Float 6 Voltage BB2 Thermistor 2 voltage Float 7 Voltage BB2 Thermistor 3 voltage Float 8 Voltage BB1 Thermistor 1 voltage Float 9 Voltage BB1 Thermistor 2 voltage Float 10 Voltage BB1 Thermistor 3 voltage Float Page 36 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 9 Troubleshooting Things can occasionally go wrong and here are several pointers to help you find out what the problem may be 9 1 Software Check the isarconf cfg file This is normally the cause of most problems See section 7 3 9 2 ISAR FAQ How do I close the ISAR shutter The ISAR shutter can be opened closed via the ISARTOOLS software The command for opening the shutter is D and for closing is d How can upload download a file SFTP into the instrument using the instrument IP address and upload or download the required file using standard Linux commands to or from the home isar software directory Any excess lines before the first and after the last should be deleted however do not change the layout of the config file How do I set up the config file Use a text editor to edit the config file e g Nano for onboard instrument editing and upload the new file to the instrument by SFTP ing into the instrument using the instrument IP address and uploading t
6. Issue 2 01 THERM_A_DESC Channel A YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HH Channel A thermistor calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 THERM_A_COEF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 HH H Channel B thermistor serial number str 80 THERM_B_SN LOT 04A0423 HHH Channel B thermistor description str 128 THERM_B_DESC THERM_A_SN Channel B YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HH Channel B thermistor calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 THERM_B_COEF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 HH Channel C thermistor serial number str 80 THERM_C_SN LOT 04A0423 HHH Channel C thermistor description str 128 THERM_C_DESC Channel C YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HH Channel C thermistor calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 THERM_C_COEF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 HH Channel D thermistor serial number str 80 THERM_D_SN LOT 04A0423 KT15 HHH Channel D thermistor description str 128 THERM_D_DESC Channel D YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HHH Channel D thermistor THERM_D_
7. Table 3 2 updated for revised wiring schedule Table 3 3 updated for revised baud rate References to TT8 on board computer replaced with Eurotech Titan Section 7 rewritten for new config file format Section 8 updated for new data record format Maintenance section removed amp combined into new Procedures Manual v 1 0 Appendix C moved into new Section 9 and replaced with computer reset procedure Editorial revisions for improved readability 2 01 July 2011 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Table of contents 1 INTRODUCTION EEN 6 2 UNPACKING THE ISAR SYSTEM ssessessesussnnunsnnunnnnununnunnnnnnnnnnnnunnnnnnnnnnnnnnnnunnnnnnnnnunnnnnnnnnnnnnnnnnnnunnnnnnnnnannnnannnn annen nnn nnan 8 3 GETTING STARTED E 10 SA CONNECTING THE ISAR SYSTEM EE Ee de 10 3 2 PERIPHERAL DEVICE WIRING SCHEDULE stier 11 3 2 1 Optical rain gauge Witing ciseceeseccsvessec hae diccusccvntzessendscaszsdtncresees Gants a a a eset Dasa eae iii iiti 11 3 2 2 Communication Power ANd GPS antennae wiring EEN 11 4 GENERAL PRECAUTIONS WHEN HANDLING YOUR ISAR INSTRUMENT ccsssssesssssssnrsssenevorersnseneeereres 13 5 ISAR SOFTWARE INSTALLATION Qu ccs cscssssssessseseseeseseneeeeossesauvonceseeesrseceseseeoeseneneeerseseuauaeaenenevavnceuesevarsenenenens 14 6 COMMUNICATING WITH AND TESTING THE ISAR ssesssnssenesnnnenunnnnunnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 15 6 1
8. 3 1000 Degrees Pitch Float 22 1 1000 Degrees Roll Float 23 181 70 Degrees Azimuth Float 24 22 5 Degrees PNI board temperature Float 25 50 893501 Degrees Latitude Float 26 1 39583 Degrees Longitude Float 27 11 0 Knots Speed over ground Float 28 32 4 DegreesT Course made good Float 29 4 2 Degrees Magnetic variation Float 30 289 1 Kelvin KT15 target temperature measurement Float 31 290 2 Kelvin KT15 internal reference temperature Float 32 23634128 see table 4 2 below Record status flags Long 33 06 10200 ISARID KT15ID Serial number of ISAR instrument and serial number of Char KT15 instrument Table 8 3 Interpretation of the ISAR5 data record status word bit field ISOC v2 0 Page 28 of 45 S i Description if set 0 Data collected in a rain event 1 GPS data are bad 2 PNI data are bad 3 TT8 clock reset from GPS 4 Rain detected by ORG 5 Shutter is Closed 6 Optical rain gauge data are bad 7 PNI roll limit exceeded 8 PNI pitch limit exceeded 9 RS485 data present in data record 10 Bad data from 18 bit A D 11 Bad scan drum position 12 Not used 13 Not used 14 Not used 15 Not used Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Table 8 4 Format of a 1S485 data record ISOC v2 0 Note that at least 1 external RS485 device must be correctly configured in the isarconf cfg file for a 1S485 record to be produced
9. 7 3 9 The format of an I5SST record is fully described in Table 8 6 and the format of a I5CAL record is described in Table 8 7 Users may request that I5SST data are stored to the ISAR 5 SD card data file by setting the appropriate user flag in the isarconf cfg file stored on the ISAR 5D SD card Table 8 6 Format of a I5SST data record ISOC v2 0 CSV e SE Value and S Example Units Description Position format 0 I5SST NMEA style identifier String ISO 8601 time string 1 20110727T103707Z yyyymmddThhmmssZ YearMothDayTHourMinuteSecondZ Integer 2 299 78 Kelvin Mean SSTskin Float 3 155 0 Degrees Mean Scan drum position for sea view data Float Page 31 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 CSV SUF Value and Position Example Units Description tomat 4 0 78 Counts Mean KT15 signal for sea view Float 5 0 023 Counts Mean Standard deviation of sea view signal Float Number of valid ISAR5 sea view data records used in 6 40 Integer calculation 7 25 0 Degrees Mean Scan drum position for sky view data Float 8 0 38 Counts Mean KT15 signal for sky view Float 9 0 235 Counts Mean Standard deviation of sky view signal Float 10 10 Number of valid ISAR5 sky view data records used in nteger calculation 11 3 1000 Degrees
10. 9 Kelvin KT15 Target temperature Float 81 0 001 Kelvin SD KT15 target temperature Float 82 30 Number of KT15 target temperature integer measurements averaged 83 290 9 Kelvin KT15 internal reference temperature Float 84 0 001 Kelvin SD KT15 reference temperature Float 85 30 Number of KT15 reference temperature integer measurements averaged 8 optional user defined RS485 device outputs EE Float various with SD and number of observations 0 001 Degrees Standard deviation of R8485 measurement Float 30 Number of RS485 measurements averaged Float N 06 10200 ID Serial ISAR 5 instrument ID kt15 serial Integer 8 4 SSTskin data record format I5SST and associated calibration data I5CAL record format Where a user has requested that ISAR 5D calculates the SSTskin in real time by setting the appropriate user flag in the isarconf cfg file a I5SST data record will be produced In addition a I5CAL data record is also produced which contains the blackbody calibration data that has been used to compute the real time SSTskin measurement A new I5SST data record is created for each scan sequence when there are sufficient data available for a real time SSTskin calculation Note that for the SSTskin calculation to be valid the isarconf cfg file must contain appropriate configuration information in the SST calculation section including the scan drum angle index for both sea and sky views and the value to use for the emissivity of sea water see section
11. IS485 Ch 0 99 234 33 998 Ch 1 0 2333 1 4832 8 3 Averaged data record format IS5MN IS5MN is an averaged ISAR data record It consists of the mean value for a number of standard data records obtained for a given scan drum position A new IS5MN data record is created for each new scan drum position The format of a IS5MN record is fully described in Table 8 5 Users may request that ISSMN data are stored to the ISAR 5D SD card data file by setting the appropriate user flag in the isarconf cfg file stored on the ISAR 5D SD card see section 7 3 13 Note that a IS5MN record will be terminated by the ISAR instrument ID field regardless of the number of outputs Table 8 5 Format of a IS5MN data record ISOC v2 0 CSV 2 aen Value and re Example Units Description Position format 0 IS5MN NMEA style identifier String yyyyddmmThh ISO 8601 time string 1 2011072 0T1034027 mmssZ YearMothDayTHourMinuteSecondZ Integer 2 25 02 Degrees Scan drum position Float 3 0 001 Degrees Scan drum position Standard deviation Float 4 30 Number of scan drum position measurements Float averaged 5 0 0603 mV Optical rain gauge signal Float Page 29 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 SH Example Units Descripti
12. Mean Pitch for sea view segment Float 12 0 0233 Degrees Standard deviation of Pitch for sea view segment Float 13 1 1000 Degrees Mean Roll for sea view segment Float 14 0 0233 Degrees Standard deviation of Roll for sea view segment Float 15 50 893501 Degrees Mean Latitude for sea view segment Float 16 1 39583 Degrees Mean Longitude for sea view segment Float 17 11 0 Knots Mean Speed over ground for sea view segment Float 18 32 4 DegreesT Mean Course made good for sea view segment Float 19 4 2 Degrees Mean Magnetic variation for sea view segment Float 20 2234 counts Mean 5V BB reference voltage Integer 21 2234 counts Mean Electronics board thermistor Integer 22 2343 counts Mean input power supply Integer 23 0 98588 Emissivity value used in temperature calculation Float 24 06 10200 ID Serial ISAR 5 instrument ID kt15 serial Integer Table 8 7 Format of a I5CAL data record ISOC v2 0 CSV d er Value and Position Example Units Description format 0 I5CAL NMEA style identifier String ISO 8601 time string 1 20110727T103402Z yyymmddThhmmssZ YearMothDayTHourMinuteSecondZ for Calibration data Integer on BB1 2 280 0 Degrees Mean Scan drum position for BB1 data Float 3 0 001 Degrees Mean Standard deviation of BB1 scan drum position Float 4 2 459 Counts Mean BB1 Temperature mean base thermistors Float 5 0 001 Counts Mean Standard deviation of BB1 temperature Float 6 30 Number of samples used to compute BB1 temperature Integer 7 0 6837 Counts Mean BB1 KT
13. The roll or pitch shutdown can be switched on by the following line in the isarconf cfg file ROLL_PITCH_STOP 0 7 4 17 Requesting ISAR to shutdown for low temperatures The user can request that that the ISAR instrument shuts down when the ambient temperature falls below freezing 273 15K The instrument uses the standard rain routine for the shutdown and will return to normal operation once the ambient temperature rises above 273 15K and the rain event countdown has finished The following line in the isarconf cfg file using the following lines can switch on the low temperature shutdown FREEZING 1 7 4 18 Requesting ISAR to wait for the ORG to warm up Using the following line in the isarconf cfg file the user can request that that the ISAR instrument wait for 30 measurement cycles for the ORG measured voltage to drop below the limit set in 7 3 4 If either the measured voltage drops below the set limit or the 30 measurement cycles have been completed the warming up loop will stop and the measurement loop start ORG_WARMING 1 Page 24 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 7 4 19 Changing PNI TCM 2 pitch and roll alarm limits During deployment if the ship exceeds defined pitch and roll limits the ISAR system will flag the ISAR5 data records accordingly using the 7 and 8 bits of the StatusWord see section 8 The following lines of the isarconf cfg file set these pitch and roll limits
14. Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 3 2 Peripheral device wiring schedule 3 2 1 Optical rain gauge wiring The optical rain gauge socket is wired according to Table 3 1 Table 3 1 Optical rain gauge socket wiring schedule Pin number Wire colour Purpose 1 Screen Not used 2 Black Ground 3 Purple Analogue Signal 1 4 Yellow 12Volt DC 5 Brown Analogue signal 2 6 Analogue Ground 7 Not used 8 Not used 3 2 2 Communication Power and GPS antennae wiring The communications interface power and GPS antennae socket is wired according to Table 3 2 Table 3 2 The communications interface power and GPS antennae socket wiring schedule Page 11 of 45 Pinnumber Wirecolour 1 Purpose Coax Black GPS antennae E a aa C ethernet X 2 CL Black theme t O fe Bue ethemet RX 6 po Red EC pa Pink R232 Tx RES Purple RS 23ZRX pis Green Rs4512veno Z m Bom LBE EN Power Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Figure 3 2 LEMO EGG 3K 822 socket view from the solder side Serial interface communication settings are shown in Table 3 3 Table 3 3 Serial communications parameters for ISAR serial interface Name Setting Baud 115200 Data Bits 8 Stop Bits 1 Parity None Handshake None The ISAR on board computer is a Eurotech Titan manufactured by Eurote
15. converter all channels voltages All 32 channel voltage readings c Open and close shutter n times Requires n input Shutter motor opens shutter n times d Closes the ISAR 5C shutter Closes the shutter D Opens the ISAR 5C shutter Opens the shutter S Reads the position of the scan drum Prints scan drum angular position degrees with reference to the set zero position see F E Move the scan drum to a given angular position Moves the scandrum ome angular position degrees you provide with reference to the set zero position see F g Read data from the GPS unit Prints raw data read from the GPS unit See section 8 k Send a command to the KT15 85D Prints a reply string from the KT15 See KT15 manual for more information K Send KT15 configuration to KT15 85D unit L Switches faceplate LEDs on off Requires LED number input Selected LED switches on or off o Config PNI PNI will be configured p Reads data from the PNI compass module Prints data to the screen See section 8 P Sends a command to the PNI compass module See the PNI TCM 2 manual for more information Used to set up the PNI TCM 2 module prior to use in ISAR q Exit the ISARTOOLS program Returns to main menu r RS485 command R Runs RS485 as defined in configuration file s Scan test Scans BB and outputs results to SD flash card S Scan test Default scan of hot BB and outputs results to SD flash card T Reading temperatures Output BB amp thermistor temperatures to screen v Toggle t
16. not properly protected Ensure that the shutter is free to rotate whilst in the laboratory or when deployed Be aware that the torque on the ISAR storm shutter is significant d There is a risk of severe injury if the user traps fingers in the ISAR storm shutter In addition significant damage to the storm shutter mechanism will occur if the shutter traps a foreign body The ISAR instrument is normally delivered with the storm shutter in the closed position Be aware that this may open automatically on power up The RS485 connector carries 12 V DC power Ensure that the contacts as described in section 3 2 2 are properly isolated when not in use d Be aware that the ISAR instrument weighs 20 kg Care should be taken when lifting or moving the instrument When the shutter is open the scan drum unit will rotate to view various target views and each of the ISAR calibration blackbody units that are located inside the ISAR Itis normal for the scan drum to operate like this Ensure that the scan drum aperture is protected from the ingress of foreign objects as these may damage the ISAR scan mirror and Zinc Selenide window Page 13 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 5 ISAR software installation This section of the ISAR manual explains how to install the ISAR software on a computer that will be used to control the ISAR instrument Install the operational software provided on
17. scan samples when closed on BB1 amp BB2 ORG_SCAN_SAMPLES 500 HHH Configure ISAR measurement angles angle in degrees number of samples Up to 10 positions can be sequentially set Angles 280 0 amp 325 0 must be set for BB on position 1 and 2 SCAN_POS_1 280 0 30 SCAN_POS_2 325 0 30 SCAN_POS_3 25 0 10 SCAN_POS_4 90 0 40 Defining variables that will be used to calculate SSTskin temperature SEAVIEW_POS seaview scandrum position SKYVIEW_POS skyview scandrum position EMISSIVITY seawater emissivity RMR_CORR RMR x correction factor VREF reference voltage 0 if using internal voltage RREF reference resistance INTBB_EMISSIVITY internal BB emissivity SELFHEAT_CORR self heating correction on off SEAVIEW_POS 3 SKYVIEW_POS 2 EMISSIVITY 0 991635 RMR_CORR 1 0 VREF 0 0 RREF 10000 0 INTBB_EMISIVITY 0 9993 SELFHEAT_CORR 0 Heated Active blackbody 1 or 2 Normally 2 unless changed by user HOTBB 2 FHA HAH External RS485 configuration AHA SZ Up to 8 External RS485 devices can be sequentially defined RS485_n_NAME label for device RS485_ n_ ADDRESS RS485 address RS485_n_COMMAND device specific read command RS485_1_ NAME RhoPD_D1102_CM11_Solarimeter RS485_1_ADDRESS 4 RS485_1_COMMAND 4RD RS485_2 NAME RhoPD_D1102_PIR_Eppley RS485_2 ADDRESS T RS485_ 2 COMMAND TRD RS485_3_ NAME RhoPD_D5132_PIR_Eppley RS485_3_ ADDRESS U RS485_3_ COMMAND URB RS48
18. style identifier PNIST C lt compass gt Degrees Compass heading C151 2 P lt pitch gt Degrees Pitch measurement P 1 0 R lt roll gt Degrees Roll measurement R 3 2 T lt temperature gt Celsius Temperature of Electronics 0 5C 127 5 precision 06 10200 ID Serial ISAR 5 instrument ID kt15 serial Integer 8 8 Diagnostic data record format IDIAG ISAR diagnostic data that are collected when the ISAR instrument is booted are prefixed by the IDIAG NMEA style identifier The data are not used for any purpose other than to identify them as diagnostic data during the instrument start up process If a IDIAG output is requested see section 7 3 10 diagnostic data are written to the standard output and a delay of 10s is provided to allow for the user to quit the deployment if required The IDIAG format is IDIAG lt timestring gt lt message text gt lt timestring gt takes the standard ISO 8601 format for a single variable date time and has the format YYYYMMDDTHHMMSS For example SIDIAG 20110727T103101Z Start of ISAR startup diagnostics SIDIAG 20110727T103101Z Input supply 22 39 V SIDIAG 20110727T103101Z 5V supply 4 98 V 8 9 ISAR Configuration data record format ISCFG ISCFG strings will appear in the data file to provide configuration data and messages relating to the isarconf cfg configuration file The ISCFG format is ISCFG lt timestring gt lt message text gt lt timestring gt takes the stan
19. the ISAR CD ROM following the instructions provided in the README TXT file Typically the ISAR code is copied to a directory with the structure defined in Table 5 1 Table 5 1 Directory structure of the ISAR 5D software distribution Directory structure Contents and purpose doc ISAR Contains the ISAR manual idocima uals The manuals for the onboard computer the PNI module and the Trimble GPS module software ISOC Contains Linux ARM executable files and ISARTOOLS file software isarconf Contains ISAR configuration file these are instrument specific software lIIDL Contains the ISAR data logger software e Contains the ISAR post processing software and the instructions on software post_processing h e ow to install python In order to successfully communicate with ISAR via the serial port the user must ensure that an appropriate serial terminal program e g PuTTY is installed on the computer that will be used to control the instrument Page 14 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 6 Communicating with and testing the ISAR The ISAR instrument is shipped with a basic diagnostic program called ISARTOOLS that can be used for ISAR system familiarisation and to test the instrument functionality ISAR allows considerable flexibility for defining how the instrument will make measurements This section of the manual explains how to 1 Interact with the ISAR instru
20. the ISAR will not function properly Note that both the view angle and the number of samples to be viewed at that angle must be specified explicitly for each position so that in the example given here 30 samples will be made at angles 280 and 325 40 samples at 155 but only 10 samples will be made at angle 25 Notes 1 It is possible to set a complex measurement sequence of alternate BB and target views using this method 2 Angular positions are accurate to approximately 0 1 degree 7 4 9 Requesting ISAR to provide a real time SSTskin data record The ISAR can also compute a real time SSTskin data record This can be selected using the following line of the isarconf cfg file CALC_SST 1 In order for a SSTskin temperature to be properly derived from raw ISAR measurements the isarconf cfg file must also specify which of the scan positions corresponds to the view of sea radiance and which corresponds to the view of sky radiance This is done by setting the variable szavrew_pos which depends on the rank order of the sea view in the list of scan_pos_n definitions as described in section 7 4 8 and similarly setting the variable sxyvrew_pos based on the rank of the sky view definition Please note that in this version of the operating software the list of positions counts from zero and so the user should enter the value n 1 when referring to SCAN_POS_n Page 22 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Ma
21. 15 signal Float 8 0 0001 Counts Mean Standard deviation of BB1 signal Float 9 30 Number of samples used to compute BB1 signal Integer ISO 8601 time string 10 20030523T134422Z yyymmddThhmmssZ YearMothDayTHourMinuteSecondZ for Calibration data Integer on BB2 11 325 0 Degrees Mean Scan drum position for BB2 data Float 12 0 001 Degrees Mean Standard deviation of BB2 scan drum position Float 13 2 179 Counts Mean BB2 Temperature mean base thermistors Float 14 0 001 Counts Mean Standard deviation of BB2 temperature Float 15 30 Number of samples used to compute BB2 temperature Integer 16 0 7356 Counts Mean BB2 KT15 signal Float 17 0 0038 Counts Mean Standard deviation of BB2 signal Float 18 30 Number of samples used to compute BB2 signal Integer 19 06 10200 Isar id kt15 id 8 5 GPS Fix data NMEA version 2 1 format SGPGGA GPGGA represents the raw output from the on board GPS receiver that is placed into the ISAR 5 data stream The GPSGGA data format is a csv data record formatted according to the NMEA version 2 1 standard as shown in Table 8 8 The ISAR ID and KT15 ID are also appended to the end of the string Page 32 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Table 8 8 Format of a GPGGA data record GE Example Units Description value and Position format 0 GPGGA NMEA version 2 1 identifier String 1 122233 2 UTC
22. 196703e0 81 215855e0 56 792568e0 21 105313e0 3 2575460e0 1 0 1 0 1 0 Radiance to Temperature coefficients based on kt15 filter response 1 not used double 9 KT15_COEFF_R2T 273 15973e0 54 529628e0 10 634341e0 2 0172007e0 3 6480705e 1 5 7776974e 2 6 5293295e 3 3 5814663e 4 1 0 ANA Electronics configuration DO NOT ALTER 3AHHAHAHHAH HH HH CPU BOARD CPU_BOARD_DESC ARCOM TITAN CPU_BOARD_SN 2 HHH COM BOARD COM_BOARD_DESC DIAMOND SYSTEMS EMM COM_BOARD_SN 2 AD BOARD AD_BOARD_DESC DIAMOND SYSTEM DMM AD_BOARD_SN 2 POWER BOARD POWER_BOARD_DESC NOCS POWER_BOARD_SN P2 RevB SH THERM BOARD THERM_BOARD_DESC NOCS THERM_BOARD_SN T2 RevB HHH Serial number of CFCard char 10 e g SOC001 FLASHCARD NOCOO05F FB Black body 1 configuration AAA BB1 serial number int BB1_SN 11 Z BB1 description str 128 BB1_DESC See ISAR BB Configuration doc for history HHH D I thermistor 1 serial number str 80 BB1_THERM1_SN ISAR TH10 11032 HHH BB1 Thermistor 1 description str 128 BB1_THERM1_DESC YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HH BB1 Thermistor 1 calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 BB1_THERM1_COEFF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 HHH BB1 thermistor 2 serial number str 80 BB1_THERM2_SN ISAR TH11 11032 Page 41 of 45 Werenfrid Wimmer amp C
23. 30 HHH ISAR 5D window serial number str 80 WINDOW_SN CRYSRTAN ZNSE bbar batch 24827 2011 07 22 HSH Motor configuration ZA Z ISAR 5D scan drum drive motor and gearbox serial number str 80 SCAN_MOTOR MAXON A Max 110926 Installed on 2011 04 21 HHH ISAR 5D shutter drive motor and gearbox serial number str 80 SHUTTER_MOTOR MAXON A Max 110926 Installed on 2011 04 21 FAH GPS configuration AAAHHHAR AA HHH Trimble GPS board serial number str 80 GPS_SN 85843798 Lassen SK8 GPS_BAUD 4800 FAH KT15 configuration DO NOT ALTER 444HHH A HHH KT15 85D Serial number int KT15_ SN 10200 Page 40 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 HHH Date and details of KT15 85D last calibration str 255 KT15_CAL 2010 27 11 Polynomials for R2T amp T2R TJ Nightingale HHH KT15 emissivity setting command 0 001 gt 1 000 str 15 KT15_ CMD_EMISIVITY EPS 1 000 HHH KT 15 response setting command 0 05 0 1 0 3 1 3 or 10 seconds str 15 KT15_ CMD_RESP RESP 1 0 HH KT15 analog output setting command DO NOT ALTER WITHOUT CONSIDERATION TO CONSEQUENCES str 30 KT15_ CMD_ANALOG ANALOG 100 0 50 0 C 3 HHT KT15 serial interface setting DO NOT ALTER WITHOUT CONSIDERATION TO CONSEQUENCES str 20 KT15_ CMD_SERIAL COM 96 8 1n HHT KT15 Temperature to Radiance coefficients based on kt15 filter response LI not used double 9 KT15_COEFF_T2R 22 925646e0 65
24. 350 int ORG_OPEN_DELAY 350 7 4 4 Setting the Optical Rain Gauge shutter trigger threshold The Optical Rain Gauge ORG is used to trigger the ISAR shutter mechanism and close the instrument down if rain or sea spray is detected The ORG has a background noise level above which a rain spray event becomes significant This is set using an ORG voltage threshold using the following isarconf cfg line Optical rain gauge rain voltage threshold below which shutter is closed float Field 1 1 ORG_MEAN LIMIT 1 1 During long deployments some surface contamination of the ORG optical system may occur and the voltage threshold value should be set with some margin of tolerance to allow for this However this may result in an increased possibility of ISAR not closing down quickly enough once a rain spray event has been detected Typically a rain event is characterized by a significant increase in the standard deviation of the signal and therefore a second threshold can be set to trigger the ISAR shutter based on the standard deviation of the ORG signal This second check is determined by calculating the standard deviation of 25 ORG measurements and comparing this against a threshold value The following lines of the isarconf cfg file may be used for this purpose Optical rain gauge rain voltage standard deviation above which shutter is closed float Lab 5 Field 1 2 ORG_SD_LIMIT 5 Notes 1 The voltage mean threshold should be verified
25. 5_4 NAME RhoPD_D5112_PAR RS485_4 ADDRESS A RS485_ 4 COMMAND ARD RS485_5 NAME AD_Converter RS485_5 ADDRESS 01 RS485_5 COMMAND 01 FARAH PNI compass configuration HAHHHHHHHHHHHH PNI sensor pitch warning limit deg float PITCH_LIMIT 2 0 Page 39 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 PNI sensor roll warning limit deg float ROLL_LIMIT 2 0 HHH PNI compass serial number str 80 PNI_SN 9824 v2 82 D HEEN ORG configuration AHH Optical rain gauge serial number str 80 ORG_SN 0508501 Hitt SCTI Optical rain gauge description str 128 ORG_MODEL Thies 5 4103 20 041 Optical rain gauge rain voltage threshold below which shutter is closed float Lab 1 0 Field 0 054 ORG MEAN LIMIT 5 1 Optical rain gauge rain voltage standard deviation above which shutter is closed float Lab 1 0 Field 0 002 ORG_SD_LIMIT 0 25 HHT ORG history str 128 ORG_COMMENT new model HSN A2 Encoder configuration HHHHHHHAHHHHHT HHT US DIGITAL A2 Encoder serial number str 80 ENCODER_SN 21363 H H A2 encoder reference position float deg ENCODER_REF 0 0 HHH A2 encoder park angle normally over lower blackbody float deg ENCODER_PARK 280 0 ENCODER_BAUD 9600 ENCODER_RESOLUTION 14400 HS Optical component configuration AHFHEHHHHHHHHE HHH ISAR 5D mirror serial number str 80 MIRROR_SN OFR MR 25 13 2011 05
26. C05 1 KT15 lens mount for laser module CD ROM containing component operating manuals software SAB C06 l and documentation Page 9 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 3 Getting Started 3 1 Connecting the ISAR system This section of the ISAR manual explains how to 1 Connect the precipitation sensor to the ISAR instrument Please note that throughout this manual the precipitation sensor is referred to generically as the optical rain gauge or ORG Connect the GPS antennae to the ISAR instrument Connect a power supply to the ISAR instrument Connect external user RS485 devices to the ISAR instrument Connect the ISAR to a computer ao Figure 3 1 shows the electronics housing end cap of the ISAR 5D instrument and the necessary connections to the external devices Use this as a guide to connect the ISAR 5D system noting the orientation of the ISAR 5D using the 4 LED indicators as a guide Rain gauge connection Power 24V RS485 Devices RS232 Communication GPS Antennae Figure 3 1 View of the ISAR end plate showing how external connections are made to the instrument Use the position of the indicator panel lights to correctly orientate the ISAR 5D body Connect each of the peripheral devices to the ISAR instrument as shown in Figure 3 1 ensuring that the connections are well made Wiring tables are given for each peripheral device in the following sections Page 10 of 45
27. COEF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 FB EOF FARRAR Page 43 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Appendix B Minimum Software requirement for operation of the ISAR instrument a b Page 44 of 45 Terminal software PuTTY for Windows DOS that can upload ASCII files and capture the screen content of the terminal window to a ASCII file Text editor for editing the config file Must be capable of sorting files in UNIX format e g Nano for onboard instrument editing Ultraedit for Windows or kate gedit for Linux SFTP and SSH client software Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Appendix C Onboard computer reset procedure At Linux prompt type Reboot as root Alternatively switch power to onboard computer off Wait 30 minutes for UPS to discharge Switch power back on and allow ISOC to run Page 45 of 45 Werenfrid Wimmer amp Craig Donlon
28. ISAR 5D User Manual Issue 2 01 hampi OF Southampton Infrared Sea Surface Temperature Autonomous Radiometer ISAR User Manual v2 01 W Wimmer Ocean and Earth Science National Oceanography Centre Southampton University of Southampton Waterfront Campus European Way Southampton S014 3ZH U K Reference ISAR User Manual v2 01 docx Issue 2 01 Date of issue July 2011 Document type User Manual Page 1 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Permission to reproduce this Manual Purchasers of an ISAR instrument and associated software license are given limited permission to reproduce this manual provided such copies are for their use and are not sold or distributed to third parties All such copies must contain the title page and this notice in their entirety Copyright 2011 by W Wimmer amp C Donlon Page 2 of 45 Werenfrid Wimmer amp Craig Donlon Document change record ISAR 5D User Manual Issue 2 01 Author Modification Issue Date C Donlon Original DRAFT 0 1 March 27 2003 C Donlon Updated to isaros v6 1 data format DRAFT 0 2 April 3 2003 C Donlon Updated to isaros v6 2 data format DRAFT 0 3 April 22 2003 C Donlon Updated to new isaros6 2 format DRAFT 0 4 May 5 2003 C Donlon Updated with inputs from Gary Fisher DRAFT 0 6 June 6 2003 C Donlon Included PNI set
29. ONIC COMPASS RECORD FORMAT PNIST iciten een una taint catia ee 33 8 8 DIAGNOSTIC DATA RECORD FORMAT IDIAG sicctesdisieceisissonsdetescctiseslesssnenrevcasdicistasecaees ENEE 34 8 9 ISAR CONFIGURATION DATA RECORD FORMAT BISCEGlL EEN 34 8 10 WARNING MESSAGE DATA RECORD FORMAT DIWARNT ENEE 35 8 11 ADDITIONAL HIGH RESOLUTION CURRENT DATA RECORD FORMAT ISHCG Teen 35 8 12 ERROR MESSAGE DATA RECORD FORMAT ISERR ENEE 35 8 13 ISAR SCAN MESSAGE DATA RECORD FORMAT ISSCN EEN 36 9 TROUBLESHOOTING sistssssscsecsveacisnresssdscinsincniveseetvareicesnsurassiedssiendsanesavaededesnauvadevenressdunciaeivinieniveneissncsinanrenuvandnaniadse 37 E OT WVBR innan ea Ge ad co Declan cea a Nd ca Aad UR A a let end 37 EE E E 37 HOW DOs CHOSE A NEE 37 HOW CANT UPLOAD DOWNLOAD A TEE 37 KEE ENTREE eege 37 HOW CAN I DOWNLOAD DATA FROM THE SAIRR2 eege ge ENEE ege de 37 WHAT SOFTWARE SHOULD I USE TO OPEN CHANGE THE CONFIG FILE eene 37 WHAT IS THE LOGON USERNAME AND PASSWORD rte iaailuiselstntntandinl te Noid Mun ana annaa ant anneanne ennea anant 37 APPENDIX A EXAMPLE ISARCONEF CFG FILE ISOC V2 0 ssssssssssssssssseseeseseeseeeenreeessnenenreeevaneneneoeenaneneneeneneneaes 38 APPENDIX B MINIMUM SOFTWARE REQUIREMENT FOR OPERATION OF THE ISAR INSTRUMENT 44 APPENDIX C ONBOARD COMPUTER RESET PROCEDURE cssssssssessessseesseessseeeeeeseessneeeneeseuaneneneeeevaneneneeneneseaes 45 Page 5 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual
30. S data EEN 23 7 4 12 Requesting ISAR to log raw PNI TCM 2 COMPASS dorto ENEE 24 7 4 13 Requesting ISAR to print a ISSMR record to the standard output EE 24 7 4 14 Requesting ISAR to print a ISCAL record to the standard OUtDUE eccrine 24 7 4 15 Requesting ISAR to run the BB crossing temperature route 24 7 4 16 Requesting ISAR to shut down when roll or pitch limits Are evceeded ENEE 24 7 4 17 Requesting ISAR to shutdown for low temperatur e sesssesccscecssesssiessesesssscssssesnsessntessntestesnsesssntsnnessiiessny 24 7 4 18 Requesting ISAR to wait for the ORG to warm up 24 7 4 19 Changing PNI TCM 2 pitch and roll alarm Jrmtte ee EEN 25 7 4 20 Using the ISAR RS485 SUD SYStOIM ENEE ENEE 25 7 4 21 Configuration of ISAR basic measurements SUMMATY eresesssscssstesssesessesesssessnsesntessatessnatesitesnsesssntenneesatestny 25 8 ISAR DATA RECORD FORMAT cccsscsesssscsceeesevorssssseseeseseseneeoesenesavoececesevarceceeevesaeneseneeessenesauanecenevavavonsevevanoneney 27 e ME EE 27 8 2 STANDARD DATA RECORD EIERE Ee EE 27 8 3 AVERAGED DATA RECORD FORMAT DIS MONTEE rieden eier 29 8 4 SSTSKIN DATA RECORD FORMAT I5SST AND ASSOCIATED CALIBRATION DATA I5CAL RECORD FORMAT 31 8 5 GPS FIX DATA NMEA VERSION 2 1 FORMAT GPGGA ENEE 32 Page 4 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 8 6 GPS RECOMMENDED MINIMUM SPECIFIC GPS TRANSIT DATA NMEA VERSION 2 1 FORMAT GPRM C 33 8 7 LCM 2 ELECTR
31. SN ISAR TH05 11032 HHH BB2 Thermistor 2 description str 128 BB2_THERM2_DESC YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HH BB2 Thermistor 2 calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 BB2_THERM2_COEFF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 HH BB2 thermistor 3 serial number str 80 BB2_THERM3_SN ISAR TH06 11032 HH BB2 Thermistor 3 description str 128 BB2_THERM3_DESC YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HH BB2 Thermistor 3 calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 BB2_THERM3_COEFF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 FHA A Instrument Thermistor configuration ASA HHH Window thermistor serial number str 80 WINDOW_THERM_SN Not configured HHH Window thermistor description str 128 WINDOW_THERM_DESC Window YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HHH Window thermistor calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 WINDOW_THERM_COEF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 HH Channel A thermistor serial number str 80 THERM_A_SN LOT 04A0423 HHH Channel A thermistor description str 128 Page 42 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual
32. USING THEJSAR FOR THE FIRST TIME eege eer Edel Ee 15 6 2 THE ISAR DIAGNOSTICS SOFTWARE ISARTOOLS eneen 16 6 3 TESTING THE ISA RAINSTRUMENT aiaa tiara ie ie a een Ge ea a aoe okie 16 7 USING THE ISOC OPERATIONAL DATA LOGGING SOFTWARE ssssssussnsussnnunnnnnnnnnunnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnanna 18 7A MOUNTING TAE SD CARD eege e eege EE dE EE 18 7 2 ACCESSING THE ISAR SD GARD tee EE eA a Ge eg iad Gog AA 18 7 3 UPLOADING A NEW PROGRAM ONTO THE ISAR INSTRUMENT EEN 18 7 3 1 Loading a new operational code or configuration file onto ISAR EEN 18 7 3 2 Stopping the ISAR resident data logging Drogrom EEN 18 7 4 CONFIGURATION OF ISAR USING THE ISARCONEF CFG EILER 19 7 4 1 Configuration of KT15 85D parameters 742 Setting the ScanDrum park angl scesiicsccticcteszsexdssscc uses Sacoesast cena stuasitiaseosetasiaed aed tage a a aiiai iiaii 7 4 3 Setting the shutter open delay following a rain event 7 4 4 Setting the Optical Rain Gauge shutter trigger threshold 7 4 5 Setting the Shaft Encoder Reference position 7 4 6 Setting the heated block body uressesssscssscssesesssssessesssenssesnessnsessnsssavesnssensesnsessnsensesnssnsessnessasesntesnsesnsessasentesnevensessnsssases 7 4 7 Logging data to the ISAR SD card enee ENEE 7 4 8 Configuring ISAR measurement angles 7 4 9 Requesting ISAR to provide a real time SSTSKin data record 22 7 4 10 Requesting ISAR to provide diagnostic data At boot ENEE ENEE 23 7 4 11 Requesting ISAR to log raw GP
33. aken to ensure that the SST real time setup is valid in each case otherwise the SSTskin temperature data will be incorrect 3 A suitable number of samples typically gt 20 is recommended on each black body unit 4 The ISAR shaft encoder reference angle must be correctly set to ensure that all target views are correct 5 The ISAR must be deployed correctly with a known geometry relative to the sea surface so that appropriate emissivity values are defined for the intended viewing angle of the sea surface This may be verified using the PNI roll values 7 4 10 Requesting ISAR to provide diagnostic data at boot A summary of ISAR data outputs can be requested at the startup of the ISOC program This can be used to check the functionality of the ISAR system and isarconf cfg file The following line in the isarconf cfg file sets this function START_DIAGN 1 7 4 11 Requesting ISAR to log raw GPS data The raw output from the ISAR on board GPS system can be incorporated onto the ISAR data stream by the following line in the isarconf cfg file RAW_GPS 1 The GPS data string provided by the GPS unit will appear as GPGGA or GPRMC data records see section 8 5 Page 23 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 7 4 12 Requesting ISAR to log raw PNI TCM 2 compass data The raw output from the ISAR on board compass system can be incorporated into the ISAR data stream by the following line in the isarconf
34. by basic tests before any unattended deployments at sea A value of 1 0 1 2 is typical 2 The current signal is within the range 4 mA 20 mA and passes through a 220 resistor so that 880 mV represents no rain 7 4 5 Setting the Shaft Encoder Reference position The shaft encoder reference position must be set to allow the ISAR scan drum to position itself correctly A simple method to check the configuration is to use the Prot software to carefully position the rear edge of the scan drum aperture flush against the back wall of the ISAR body so that it is looking vertically up and along the central cutaway The scan drum position should read 355 5 in this position If this is not the case an appropriate offset from zero may be set using the following isarconf cfg line A2 encoder reference position float deg ENCODER_REF 0 0 Notes 1 If the Scan drum positions are inconsistent it may mean that the shaft encoder has lost its internal configuration This can be reset using the encoder setup software provided on the software CDROM 2 Ensure that the scan drum aperture is lined up as accurately as possible using this method 7 4 6 Setting the heated black body Both ISAR black body BB units are identical and both have a Kapton heater that can be used to heat the BB cavity In normal operation one of the BB units is heated to above ambient temperature whilst the other is allowed to remain at roughly ambient temperature Normally the
35. cfg file RAW_PNI 1 The PNI data string provided by the PNI unit will appear as PNIST data records see section 8 7 below 7 4 13 Requesting ISAR to print a SISSMR record to the standard output The user can request that the IS5MR data record stored on the internal SD card is also outputted to RS232 by the following line in the isarconf cfg file MEAN_REC 1 7 4 14 Requesting ISAR to print a SISCAL record to the standard output The user can request that the 15CAL data record stored on the internal SD card is also outputted to R232 by the following line in the isarconf cfg file CAL_REC 1 7 4 15 Requesting ISAR to run the BB crossing temperature routine The user can request that the ISAR instrument runs a BB crossing temperature routine in a rain event To avoid triggering the BB crossing routine in light showers the threshold output from the ORG required to trigger the routine is set to 2V This value is fixed and cannot be changed in the configuration file The following line in the isarconf cfg file can switch on the BB crossing event XTEMP 1 7 4 16 Requesting ISAR to shut down when roll or pitch limits are exceeded The user can request that the ISAR instrument shuts down when the preset roll or pitch limit see 7 3 19 is exceeded The instrument follows the standard rain routine for the shutdown and will return to normal operation once the roll or pitch reduces below the limit and the rain event countdown has finished
36. ch Further information can be found at http eurotech ltd co uk For operational deployments use an uninterruptible power supply Ensure that the correct voltage is set on the power supply unit 24 V DC Always use an uninterruptible power supply with a current limit facility If the input power falls below 15V DC the on board computer may require a hard power reset see Appendix C as the internal registers may be corrupted This may be difficult to determine as the ISAR system and operational code may continue to operate However all data registers within the system may be corrupt and therefore the data will be incorrect ISAR should draw about 0 5 0 7 A during normal operations and 1 1 2 A during motor operations If excessive current is drawn immediately power off and contact the ISAR team for advice and assistance Page 12 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 4 General precautions when handling your ISAR instrument This section of the ISAR 5D manual describes how to work safely with your ISAR instrument and explains a number of precautions that should be taken prior to powering up your ISAR for the first time 1 2 Double check that all connections to your ISAR are made correctly in accordance with section 3 of this manual Use an appropriate cradle to secure your ISAR before power up The ISAR storm shutter may be damaged if
37. d an SSTskin measurement be made if so setup the calculation e Should GPS data be logged e Should PNI data be logged The ISOC data logging program will e Check and initialise each of the ISAR systems e Read the user defined configuration settings for this execution from the isarconf cfg file stored on the ISAR SD card e Write the current instrument configuration in the data stream e Begin logging data Page 26 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 8 ISAR data record format The ISAR data stream is a formatted comma separated variable csv data record with an NMEA style ASCII string output Several NMEA style identifiers are used to define the different ISAR5 data record types These are defined in Table 8 1 below Table 8 1 ISAR 5 NMEA style data record identification labels NMEA style identifier Description ISMSG A comment or message string ISAR5 A standard ISAR 5 data record IS5MN An averaged ISAR 5 data record I5SST A SSTskin data record for real time operations I5CAL Calibration data used to compute real time SST measurement provided in I5SST GPGGA GPS fix data NMEA version 2 1 GPRMC GPS data Recommended minimum Specific GPS Transit data PNIST TCM2 Electronic compass data record IDIAG Diagnostics test outputs 1S485 A data record containing external RS485 device outputs ISCFG Configuratio
38. dard ISO 8601 format for a single variable date time and has the format YYYYMMDDTHHMMSS For example SISCFG 20110727T103124Z KT15 Serial number 10200 Page 34 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 8 10 Warning message data record format IWARN SIWARN strings will appear in the data file to provide an indication of warnings related to the instrument The IWARN format is IWARN lt timestring gt lt message text gt lt timestring gt takes the standard ISO 8601 format for a single variable date time and has the format YYYYMMDDTHHMMSS For example SIWARN 20110727T103214Z Serial port read Timeout 8 11 Additional high resolution current data record format ISHCG ISHCG represents additional data regarding instrument voltages and currents The ISHCG data format is a csv data record formatted according to the NMEA version 2 1 standard as shown in Table 8 11 The ISAR ID and KT15 ID are appended to the end of the string Table 8 11 Format of a ISHCG data record coy Example Units Description Value and format Position 0 ISHCG NMEA version 2 1 identifier String 1 20110727T103159Z UTC time Hhmmss s format Float 2 3 3928 Volts Input power Float 3 3 3172 Volts 5V supply Float 4 2 7934 Volts 12V supply Float 5 3 5641 Volts 24V supply Float 6 3 2945 Volts Thermistor reference voltage Float 7 1 0839 Volts Curr
39. ent sensing BB2 Float 8 0 0043 Volts Current sensing BB1 Float 9 0 0028 Volts Current sensing 21 not used Float 10 0 0027 Volts Current sensing 22 not used Float 11 0 0064 Volts Spare thermistor not used Float 12 0 0152 Volts Spare thermistor not used Float 13 0 0141 Volts Spare thermistor not used Float 14 0 0005 Volts Spare thermistor not used Float 15 6 10200 Isar id kt15 id 8 12Error message data record format ISERR ISERR strings will appear in the data file to provide an indication of a fatal error that requires immediate action The ISERR format is ISERR lt timestring gt lt message text gt lt timestring gt takes the standard ISO 8601 format for a single variable date time and has the format YYYYMMDDTHHMMSS For example SISERR 20110727T104011Z Warning Bad input data to real time SSTskin calculation Page 35 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 8 13 ISAR scan message data record format ISSCN ISSCN represents the raw information regarding the scan test that is executed from the ISARTOOLS menu The ISSCN data format is a csv data record formatted according to the NMEA version 2 1 standard as shown in Table 8 12 Table 8 12 Format of a ISSCNdata record CSV Gett Value and ae Example Units Description Position format 0 ISSCN NMEA version 2 1 identifier String 1 Degrees Scan drum position Float
40. er 30 0 001 Degrees Standard deviation of 5V reference Float 31 30 Number of 5V reference measurements Float averaged 32 2000 Counts BB aperture thermistor 1 Integer 33 0 001 Degrees Standard deviation of BB aperture thermistor 1_ Float 34 30 Number of BB aperture thermistor 1 Float measurements averaged 35 2000 Counts BB aperture thermistor 2 Integer 36 0 001 Degrees Standard deviation of BB aperture thermistor 2_ Float 37 30 Number of BB aperture thermistor 2 Float measurements averaged 38 2000 Counts BB aperture thermistor 3 Integer 39 0 001 Degrees Standard deviation of BB aperture thermistor 3_ Float 40 30 Number of BB aperture thermistor 3 Float measurements averaged 41 2000 Counts KT15 external body thermistor Integer 42 0 001 Degrees Standard deviation kt15 external body Float thermistor 43 30 Number of kt15 external body measurements Float averaged 44 1910 Counts ZnSe window thermistor Integer 45 0 001 Degrees Standard deviation of ZnSe thermistor Float 46 30 Number of ZnSe thermistor measurements Float averaged 47 2612 Counts TT8 computer board thermistor Integer 48 0 001 Degrees Standard deviation of TT8 computer board Float thermistor 49 30 Number of TT8 board thermistor Float measurements averaged 50 3795 Counts Input power Integer 51 0 001 Degrees Standard deviation of input power Float 52 30 Number of input power measurements Float averaged 53 0 Oor1 Shutter switch 1 Integer 1 active 54 1 Dor Sh
41. ered up the ISOC data logging program will automatically run The initial factory configuration of the ISOC code will make a SSTskin temperature measurement using a target view angle of 45 from nadir for the sea 45 from zenith for the sky using a sea water emissivity of 0 98 However for most deployments this configuration is not optimal and needs to be changed before acquiring data for scientific purposes Page 18 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Pressing Q will stop the ISOC data logging software and return to the main menu If for any reason this fails the user can logon to the instrument see accompanying ISAR CD ROM or FAQ section for username and password Using the standard Linux command ps ax discover the appropriate ISAR program ID PID and use the kill 9 PID command to stop the program 7 4 Configuration of ISAR Using the isarconf cfg file The ISAR operational software ISOC has been written to provide a versatile and easily configurable data logging software interface The isarconf cfg file is the instrument configuration file that is read by the ISAR system every time the data logging program ISOC is started The configuration file is stored in the home isar software directory and is a specific format ASCII text file It contains instrument specific calibration data component identifications and user configuration fields The general format of the isarconf cf
42. g file is for a comment line denoted by at the start of the line followed by a data line For example Title for this deployment configuration stating purpose of this isarconf file str 255 TITLE icf file for ISAR 06 valid for isar linux v2 0 0 code base A complete isarconf cfg file is provided as a reference in Appendix A In general the comment line provides the format of the following data line In practice only a few isarconf cfg fields need to be changed by the user and these are discussed by task in the following sub sections Modifying any of the calibration data entries within the isarconf cfg file may result in either your ISAR refusing to boot or incorrect results ALWAYS make a backup copy of the current isarconf cfg file The fields that require user editing are provided at the start of the isarconf cfg file Most entries should not be changed unless the user is absolutely certain that they know what is required and that they understand the implications that any changes will have on the ISOC data logging system and subsequent measurements In general it should only be necessary to set up the header sections scan drum and associated sampling characteristics the real time SST calculation configuration and any external RS485 devices that may have connected to the ISAR instrument The following isarconf cfg entries should be used as examples of how to describe the purpose of the isarconf cfg file T
43. he file using standard Linux commands to the home isar software directory d Make sure the format of the config file is not changed DO NOT delete or add any lines How can download data from the ISAR SFTP into the instrument using the instrument IP address and download the required data using standard Linux commands from the data directory as set in the configuration file What software should I use to open change the config file Any text editor that can read UNIX style text files e g Nano for onboard instrument editing What is the logon username and password User root Password arcom Page 37 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Appendix A Example isarconf cfg file ISOC v2 0 The following provides an example isarconf cfg configuration file as a guide Note that entries shown in blue are user configurable All other entries should not be changed unless you are sure of the implications and values HHHHHHHH ISAR configuration file for isar linux v2 x x code base HHEHHHHHT General format comment followed by 1 line data KEYWORD DATA HHEHHHHHH DO NOT DELETE ANY LINES FROM THIS FILE FAA HHHHHHHH 2011 06 08 W Wimmer Version 2 0 0 Revision 1 FARRAH Contact information E HHH Title for this deployment configuration stating purpose of this isarconf file str 255 TITLE icf file for ISAR 06 valid for isar linux v2 0 0 code base H H H ICF au
44. hermistor reference voltage on amp off Page 16 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Description Expected result Key V Read all supply voltages Once ISARTOOLS has been started the user should be presented with a menu of options A command is executed by typing a letter case sensitive Some commands have additional requirements and the user will be prompted by the program to enter appropriate data refer to the command menu in Table 6 2 above for a summary of the available command set The user will be returned to the menu screen after the execution of any command The ISARTOOLS program can be used to test the ISAR 5D instrument to ensure that no damage has occurred during transportation The following tests should be executed Check that the LEDs function command L Check that the shutter opens and closes commands d and D Check that the shutter opens completely and closes completely and that excessive current is not drawn during this operation check the ampere meter on the power supply Shutter movement should be smooth and the motors should maintain a steady speed Check that the scan drum rotates and meaningful shaft encoder data is reported This is best achieved by using the software to set the scan drum to point at an angle of 4 5 Once the scan drum is in this position the edge of the viewing aperture hole should line up exactly with the bac
45. hought and attention in terms of accessibility measurement geometry robust instrument mounting brackets etc and is specific to each deployment In general ISAR should view the sea surface at an angle of 25 from nadir limiting the effect of angular variation of emissivity due to ship movements at a position that is free of the ship s wake and the distance between any subsurface systems and the ISAR measurement should be recorded Handle all items with care and inspect each one for obvious damage If you suspect that any ISAR component is damaged please notify the ISAR team immediately Figure 2 1 The ISAR 5 radiometer and rain gauge Before you begin to use your ISAR please take some time to check that your ISAR system is complete and that there are no obvious signs of damage Use Table 2 1 to ensure that all items are present in the box when first unpacking and contact the ISAR team if any items are missing Documentation on various aspects and components of the ISAR system are available on the ISAR 5 CD ROM Page 8 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Table 2 1 ISAR 5D component list Item code seule Description supplied ISAR5D C01 1 ISAR 5D instrument ISAR5D C02 1 Thies Clima precipitation sensor amp cable optical rain gauge ISAR5D C03 1 Trimbell GPS magnetic antenna ISAR5D C04 1 Power amp communications pigtail for ISAR 5D ISAR5D
46. itle for this deployment configuration stating purpose of this isarconf file str 255 TITLE icf file for ISAR 06 valid for isar linux v2 0 0 code base ICF author name e mail and telephone number str 255 AUTHOR W Wimmer EMAIL w wimmer soton ac uk PHONE 44 0 2380 597654 Last Edit date of this icf file yyyy mm dd str 15 EDITDATE 2011 06 08 LOGFILE_PATH data 7 4 1 Configuration of KT15 85D parameters The KT15 85D may be configured to operate in a variety of different modes The isarconf cfg file allows a user to define the serial number of the KT15 unit calibration information emissivity settings Page 19 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 response times and communication parameters The following settings provide a default configuration for a KT15 radiometer these particular values are specific to instrument serial number 10200 KT15 85D Serial number int KT15_SN 10200 Date and details of KT15 85D last calibration str 255 KT15 CAL 2007 05 11 Polynomials for R2T amp T2R TJ Nightingale 2003 06 04 KT15 emissivity setting command 0 001 gt 1 000 str 15 KT15_ CMD EMISIVITY EPS 1 000 KT15 response setting command 0 05 0 1 0 3 1 3 or 10 seconds str 15 KT_CMD_RESP RESP 1 0 KT15 analog output setting command Do you know what you are doing str 30 KT15_CMD_ANALOG ANALOG 100 0 50 0 C 3 KT15 serial in
47. k face of the ISAR 5D body Check that the KT15 reports meaningful data typical values of 0 5 V at room temperature when set to use a range of 100 C to 100 C would be expected Check the black body heater circuits by first switching each BB heater off and collecting some data Then turn each BB heater back on again and collect data you may have to wait a few minutes for the BB s to warm up a little Check the rain sensor Moving your fingers in front of the sensor should be sufficient to generate a test signal Check the PNI sensor by moving the ISAR instrument into different angular positions in both the vertical and horizontal plane Check the GPS unit Note that you will need to have the antenna connected and located in a position where GPS satellites can be seen to obtain meaningful data Should any test fail please contact the ISAR team immediately Once you have successfully completed all the diagnostic tests the ISAR 5D is ready to use Page 17 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 7 Using the ISOC operational data logging software ISAR is designed to allow considerable flexibility in defining how the instrument will make measurements for an operational deployment This is achieved through the ISAR Operating System ISOC This section of the user manual explains how to 1 Mount the ISAR SD card 2 Access the ISAR SD card using Linux commands 3 Upload a new ISOC e
48. lease contact the ISAR team for specific requests if this is not appropriate 7 4 21 Configuration of ISAR basic measurements summary In order to record a basic set of radiance and SST measurements the ISAR instrument needs to be configured appropriately The ISOC data logging program collects data in measurement cycles with each measurement cycle consisting of the following measurements e BB1 calibration data e BB2 calibration data e Target observations Note that the ISOC program allows the user to select up to 10 programmable target scan drum positions that are specified as angles ISAR 5D must first collect n measurements whilst viewing BB1 n measurements whilst viewing BB2 and then for each target position it will make x measurements before moving on to the next target position Finally n measurements whilst viewing BB1 and n Page 25 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 measurements whilst viewing BB2 will be made to ensure that a meaningful calibration trend can be established over the measurement period Each sample takes approximately 1 second to collect without additional instruments attached to the RS485 port Use the following decision checklist to setup ISAR to make your measurements e What scan drum angles need to be set including viewing the BBs e How many samples are required at each scan drum position e Should the data be logged to the internal SD card e Shoul
49. ment using a terminal emulator 2 Test the ISAR system 6 1 Using the ISAR for the first time The ISAR requires connection to a personal computer running Microsoft Windows or LINUX operating system in order for the user to be able to interact with and or modify the basic configuration of the instrument The ISAR onboard computer is a stripped down Red Head Linux computer that supports SFTP and SSH communication It can communicate with a host computer either through a serial port or via an Ethernet connection On initial power up the ISAR should automatically run the ISAR Operating Code ISOC software that is stored in the onboard flash disc In addition the LED configuration of ISAR can be used to obtain the status of the instrument on power up see Figure 6 1 and Table 6 1 for more information The ISAR has a small panel of light emitting diodes LED to indicate the operational status of the instrument shown in Figure 6 1 Figure 6 1 ISAR 5D status lights layout Figure 6 1 shows the layout of the LED status lights whilst Table 6 1 below describes their function The LEDs will normally be orange if both possibilities are switched on except during the boot procedure when LED 1 alone will be orange as the instrument boots from the ISOC software Page 15 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Table 6 1 ISAR 5 status lights function LED Colour Description 1 Indicates that
50. mum continuous deployment at sea mans Min deployment height 7m above sea level Calibration type 2 internal radiance cavities Output RS232 NMEA style Weight Approx 20 kg Dimensions Diameter 200mm x 500 mm Operating temperature 274 310 K non freezing Power input 24V DC This operations manual describes the configuration operation and deployment of an ISAR 5 system It is meant to be a user reference guide that provides sufficient information for you to configure and begin making measurements with the ISAR system For more detailed advice on set up and maintenance procedures please refer to the accompanying ISAR Procedures Manual Version 2 of this manual applies to an updated design of the instrument designated ISAR 5D which incorporates the new electronics system designed by W Wimmer in 2009 Users of ISAR instruments based on the original electronics system i e model ISAR 5C should continue to refer to the ISAR User Manual v1 11 The following symbols are used within this manual Indicates useful information and tips to help you work with your ISAR d Indicates critical information that should be read carefully to avoid damage to the ISAR instrument Depending on the appropriate value for the emissivity of seawater Contact the ISAR team for advice regarding the use of the instrument outside of this temperature range Note that henceforward the user manual will refer to the ISAR 5 ins
51. n data and messages relating to the isarconf cfg configuration file IWARN A warning message for consideration ISHCG Additional information beyond scope of ISAR5 DEBUG Debug information ISERR ISAR error message Problem needs addressing SISTAT ISAR status message ISSCN ISAR scan information IS5AD A D converter message Each data record type is fully expanded in the following sections Note that these records are valid for the ISOC v2 0 code base and above 8 1 ISMSG data records ISMSG strings will appear in the data file to provide an indication of warnings or general operational status of the instrument The ISMSG format is ISMSG lt timestring gt lt message text gt lt timestring gt takes the standard ISO 8601 format for a single variable date time and has the format YYYYMMDDTHHMMSS For example SISMSG 20110727T103046Z Initialising DMM32 SISMSG 20110727T103046Z Setting DMM32 digital ports to zero 8 2 Standard data record format ISAR5 ISAR5 is a standard ISAR data record that is produced approximately every second by the ISAR system Each sensor on board the ISAR is read and the data value stored in the lowest processed state This constitutes the level O engineering data output The format of an ISAR5 record is fully described in Tables 8 2 and 8 3 If any external RS485 devices are attached to ISAR that are correctly configured in the isarconf cfg file a 1S485 data record will be produced
52. nual Issue 2 01 Thus in the example below following the example scan position settings used in Section 7 4 8 the target sea view corresponds to SCAN_POS_4 155 and so SEAVIEW_POS is set to 3 The sky view corresponds to SCAN_POS_3 25 0 and so SKYVIEW_POS is set to 2 The SSTskin calculation must also use an appropriate seawater emissivity value for a given deployment geometry In the example an emissivity value of 0 991635 has been used for the emissivity of seawater appropriate for the particular angle of view selected Other variables in the SSTskin calculation can also be specified The following lines in the isarconf cfg file show how this is achieved Defining variables that will be used to calculate SSTskin temperature SEAVIEW_POS seaview scandrum position SKYVIEW_POS skyview scandrum position EMISSIVITY seawater emissivity RMR_CORR RMR x correction factor VREF reference voltage 0 if using internal voltage RREF reference resistance INTBB_ EMISSIVITY internal BB emissivity SELFHEAT_ CORR self heating correction on off SEAVIEW_POS 3 SKYVIEW_POS 2 EMISSIVITY 0 991635 RMR_CORR 1 0 VREF 0 0 RREF 10000 0 INTBB_EMISSIVITY 0 9993 SELFHEAT_CORR 0 Finally data logging to the SD card is turned ON as before using the following line in the isarconf cfg file LOG_DATA 1 Notes 1 If the emissivity value is out of range i e lt 0 or gt 1 0 ISAR will not boot Care should be t
53. on Yale and Position H p format 6 0 001 Degrees Standard deviation of optical rain gauge signal Float 7 30 Number of optical rain gauge measurements Float averaged 8 0 7025 mV KT15 85D signal Float 9 0 001 Degrees Standard deviation of kt15 signal Float 10 30 Number of kt15 signal measurements Float averaged 11 1 7525 Counts BB1 thermistor 3 base Float 12 0 001 Degrees Standard deviation of BB1 thermistor 3 Float Number of BB Thermistor 3 measurements 13 30 Float averaged 14 1 7386 Counts BB1 thermistor 2 base Float 15 0 001 Degrees Standard deviation of BB1 thermistor 2 Float Number of BB1 Thermistor 2 measurements 16 30 Float averaged 17 1 7353 Counts BB1 thermistor 1 aperture Float 18 0 001 Degrees Standard deviation of BB1 thermistor 1 Float Number of BB1 Thermistor 1 measurements 19 30 Float averaged 20 2 3296 Counts BB2 thermistor 3 base Float 21 0 001 Degrees Standard deviation of BB2 thermistor 3 Float Number of BB2 Thermistor 3 measurements 22 30 Float averaged 23 2 3284 Counts BB2 thermistor 2 base Float 24 0 001 Degrees Standard deviation of BB2 thermistor 2 Float 25 30 Number of BB2 Thermistor 2 measurements Float averaged 26 2 3295 Counts BB2 thermistor 1 aperture Float 27 0 001 Degrees Standard deviation of BB2 thermistor 1 Float Number of BB1 Thermistor 2 measurements 28 30 Float averaged 5 Volt reference voltage for BB thermistors Se 2200 Counts should be 2200 100counts Integ
54. ption Position format 0 GPRMC NMEA version 2 1 identifier String 1 122233 2 UTC time Hhmmss s format Float 2 A Character Status A valid V navigation receiver warning Char 3 50 345 Degrees Latitude Float 4 N Hemisphere NorS Char 5 2 675 Degrees Longitude Float 6 E Quadrant E or W Char 7 20 4 Knots Speed over ground SOG Float 8 234 7 Degrees T Course made good Float 9 030326 Date Yymmdd Integer 10 3 4 Degrees Magnetic variation Float 11 E Quadrant E or W Char 12 Checksum Integer 15 06 10200 Isar id kt15 id Note that if insufficient data are available due to a lack of visible GPS satellites no data will be shown and the output will consist of only commas in the csv format 8 7 TCM2 Electronic compass record format PNIST PNIST represents the raw output of the on board Precision Navigation TCM2 electronic compass module that is placed onto the ISAR 5 data stream The standard output data record provided by the ISAR instrument has the following format PNIST lt timestring gt C lt compass gt P lt pitch gt R lt roll gt T lt temperature gt lt checksum gt lt Inst ID gt Page 33 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 For example SPNIST 20110727T104018Z C237 8P 3 2R2 0T31 1 06 6 10200 The PNIST ISAR data record data format is shown in Table 8 10 Table 8 10 Format of a PNIST data record ID Units Description Example PNIST NMEA
55. raig Donlon ISAR 5D User Manual Issue 2 01 HHH BB1 Thermistor 2 description str 128 BB1_THERM2_DESC YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration i BB1 Thermistor 2 calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 BB1_THERM2_COEFF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 i D I thermistor 3 serial number str 80 BB1_THERM3_SN ISAR TH12 11032 HHH BB1 Thermistor 3 description str 128 BB1_THERM3_DESC YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HHH BB1 Thermistor 3 calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 BB1_THERM3_COEFF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 FAB Black body 2 configuration AAA BB2 serial number int BB2_SN 12 H H BB2 description str 128 BB2_DESC See ISAR BB Configuration doc for history H H BB2 thermistor 1 seriall number str 80 BB2_THERM1_SN ISAR TH04 11032 HHH BB2 Thermistor 1 description str 128 BB2_THERM1_DESC YSI NASA grade 46041 0 05K interchangeable thermistor with standard YSI calibration HH BB2 Thermistor 1 calibration coefficients Range 268 16 gt 338 16K 1 0 not used double 10 BB2_THERM1_COEFF 1 0271173e 3 2 3947051e 4 1 5532990e 7 1 0 1 0 1 0 1 0 1 0 1 0 1 0 H H BB2 thermistor 2 serial number str 80 BB2_THERM2_
56. terface setting Do you know what you are doing str 20 KT_CMD SERIAL COM 96 8 1 n KT15 Temperature to Radiance coefficients based on kt15 filter response 1 not used double 9 KT15_COEFF_ T2R 22 925646e0 65 196703e0 81 215855e0 56 792568e0 21 105313e0 3 2575460e0 1 0 a P o A E Radiance to Temperature coefficients based on kt15 filter response 1 not used double 9 KT15_COEFF_R2T 273 15973e0 54 529628e0 10 634341e0 2 0172007e0 3 6480705e 1 5 7776974e 2 6 5293295e 3 3 5814663e 4 1 0 Notes 1 The KT15 serial number is unique to each unit It is entered into the isarconf cfg file in order that a cross check may be made between the KT15 serial number from the actual unit and that in the isarconf cfg entry This helps to avoid applying the calibration data for one KT15 unit to another KT15 when more than one unit is available The KT15 calibration date refers to the last calibration of the KT15 unit by Heitronics and refers to the Radiance to Temperature and Temperature to Radiance coefficients The KT15 emissivity value should always be set to 1 0 The KT15 default response time is 1 0s d The analogue parameters should not be modified N The Serial interface parameters should not be modified et he e The Radiance to Temperature and Temperature to Radiance data should not be modified These are specific to each KT15 unit and are calculated from the calibration data provided by Heitronics
57. the ISOC is running 1 Indicates an error BB2 heater on off lit unlit BB1 heater on off lit unlit KT15 power on off lit unlit Spare power on off lit unlit Scan motor moving hl RP WO WwW ND ND Shutter motor moving 6 2 The ISAR diagnostics software ISARTOOLS ISAR 5D ships with a generic diagnostic program called ISARTOOLS This can be used to help familiarize the user with the instrument and to assist in diagnosing any problems A copy of this program can be found in the bin subdirectory of the ISAR 5D CD ROM OO a copy of the ISARTOOLS executable code is also available on the ISAR onboard flash disc nome isar software It is assumed that the user is able to use basic Linux commands 6 3 Testing the ISAR instrument Once the ISAR instrument is switched on the ISOC software will boot and run the instrument as specified in the isarconf cfg file on the SD card In order to run the ISARTOOLS program the ISOC has to be stopped by either pressing Y during the startup before the ISOC reads the isarconf cfg file or by pressing Q after the startup routine has finished Table 6 2 describes the command set of the ISARTOOLS program Table 6 2 Command set for the ISARTOOLS Key Description Expected result a A D converter single channel voltage Requires channel number input 0 31 Outputs channel voltage A A D
58. thor name e mail and telephone number str 255 AUTHOR W Wimmer EMAIL w wimmer soton ac uk PHONE 44 0 2380 597654 H H Last Edit date of this icf file yyyy mm dd str 15 EDITDATE 2011 07 26 LOGFILE_PATH data FAH HE Ht General instrument configuration AAAA HAHAHA HHA ISAR 5D serial number int ISARID 6 Date and details of last ISAR 5D instrument calibration date str 255 CALDATE Pending See ISAR 06 instrument configuration doc for history Hitt USER FLAGS 1 condition set 0 condition not set LOG_DATA log to flashcard CALC_SST compute SSTskin START_DIAGN diagnostic data at boot RAW_PNI output onboard compass data RAW_GPS output onboard GPS data MEAN_REC output IS5MR data record CAL_REC output ISCAL record XTEMP run BB crossing temperature routine ROLL_PITCH_STOP shutdown ISAR if roll or pitch limits exceeded FREEZING shutdown ISAR if ambient temp falls below 273 15K ORG_WARMING wait 30 measurement cycles before measurement loops starts For more details see manual section 7 x LOG_DATA 1 CALC_SST 1 START_DIAGN 1 RAW_PNI 1 RAW_GPS 1 MEAN_REC 1 CAL_REC 1 XTEMP 0 ROLL_PITCH_STOP 0 FREEZING 0 ORG_WARMING 1 HH Number of cycles n to wait after rain event has finished time is n 2 secs Lab 60 Field 350 int Page 38 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 ORG_OPEN_DELAY 350 Number of
59. time Hhmmss s format Float 2 50 233 Degrees Latitude Float 3 N Hemisphere NorS Char 4 1 344 Degrees Longitude Float 5 E Quadrant E or W Char 6 1 Flag GPS QC indicator 0 NoGPS 1 GPS 2 DGPS Integer 7 4 Count Number of satellites in use Integer 8 2 1 Horizontal Dilution of Precision HDOP Float 9 9 4 Meters Antennae altitude Float 10 M Character indicating Antennae altitude is in Meters Char 11 4 9 Mieters Geodal separation in Meters Difference between Float WGS 84 earth ellipsoid and mean sea level 12 M Char indicating Geodal separation is in Meters Char 13 57 Seconds Age of differential GPS data Time in seconds since Float the last Type 1 or 9 upgrade 14 0001 ID Differential reference station ID 0000 1023 Integer 15 06 10200 Isar id kt15 id Note that if insufficient data are available due to a lack of visible GPS satellites no data will be shown and the output will consist of only commas in the csv format 8 6 GPS recommended minimum specific GPS transit data NMEA version 2 1 format GPRMC GPRMC represents the raw output from the on board GPS receiver that is placed into the ISAR 5 data stream The GPRMC data format is a csv data record formatted according to the NMEA version 2 1 standard as shown in Table 8 9 The ISAR ID and KT15 ID are appended to the end of the string Table 8 9 Format of a GPGGA data record CSV S E Value and ae Example Units Descri
60. to output the measurements made by each RS485 device The format of a 1S485 record is shown in Table 8 4 Page 27 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 Table 8 2 Format of ISAR5 data record ISOC v2 0 E P Example Units Description Format Position 0 ISAR5 NMEA style identifier String ISO 8601 time strin d 20110727T103129Z yymmddThhmmssZ YearMothDayTHourMinuteSecondz Integer 2 25 02 Degrees Scan drum position Float 3 0 0603 mV Optical rain gauge signal Float 4 0 7025 mV KT15 85D signal Float 5 1 7525 Counts BB1 thermistor 3 base Float 6 1 7386 Counts BB1 thermistor 2 base Float 7 1 7353 Counts BB1 thermistor 1 aperture Float 8 2 3296 Counts BB2 thermistor 3 base Float 9 2 3284 Counts BB2 thermistor 2 base Float 10 2 3295 Counts BB2 thermistor 1 aperture Float 5 Volt reference voltage for BB thermistors should be 11 2200 Counts ee e Integer 12 2000 Counts BB Aperture thermistor 1 Integer 13 2300 Counts BB aperture thermistor 2 Integer 14 1200 Counts BB aperture thermistor 3 Integer 15 1900 Counts KT15 external case thermistor Integer 16 1977 Counts ZnSe window thermistor Integer 17 2612 Counts TT8 computer board thermistor Integer 18 3795 Counts Input power Integer 19 0 Dor Shutter switch 1 Integer 1 active 20 1 Oor1 Shutter switch 2 Integer 1 active 21
61. trument as ISAR Page 6 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 It is assumed that the user is competent in handling PC computers software installation basic Linux commands basic wiring of plugs and has an understanding of the principles and methodology of making infrared measurements of the sea surface and atmosphere For further information regarding the premise behind the ISAR instrument please refer to Donlon C Robinson l S Reynolds M Wimmer W Fisher G Edwards R and Nightingale T J 2008 An Infrared Sea Surface Temperature Autonomous Radiometer ISAR for deployment aboard Volunteer Observing Ships VOS Journal of Atmospheric and Oceanic Technology 25 pp 93 113 Page 7 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 2 Unpacking the ISAR system This section of the ISAR manual explains how to 1 Unpack and repack the ISAR system and peripheral devices 2 Check for damaged items 3 Check that all components are present The ISAR is shipped in a robust travel case that contains all of the necessary hardware and software to operate the ISAR instrument However as each deployment requires consideration of local mounting options it will be necessary to construct a mounting cradle specific to your deployment Please contact the ISAR team for advice on suitable mounting options Operational deployment of ISAR on a ship demands careful t
62. up and revised Encoder setup sections Checked data format sections and updated to isaros v6 7 Added prototy6pe optical alignment and prototype GPS configuration sections DRAFT 0 7 August 14 2003 C Donlon Added SCS enabled routines and data format description DRAFT November 10 0 8 2003 C Donlon Updated and corrected errors DRAFT 0 9 January 20 2004 C Donlon Revised to isaros v7 1 DRAFT 0 10 March 6 2004 C Donlon amp M Reynolds Revised to isaros v7 2 and redesigned outputs for SCS operations while in Miami building ISAR 1 Added new section describing hardware DRAFT 0 11 March 14 2004 W Wimmer Revised to isaros v7 15 DRAFT 0 12 May 3 2005 W Wimmer Revised with user comments P Minnett E Key Initial 1 00 March 8 2006 C Donlon W Wimmer E Key and G Fisher Revised at Miami ISAR CASOTS II intercalibration workshop Round table discussion of the manual contents page by page 1 02 March 13 2006 W Wimmer Revised for isaros v7 19 1 10 October 11 2007 S Robinson Editorial revisions to improve readability 1 11 October 15 2007 J Hopkins Page 3 of 45 Revised for ISAR 5D electronics system Revised for new ISOC and ISARTOOLS code Table 2 1 updated for revised component list Fig 3 1 updated for 24v power supply Table 3 1 updated with revised wiring schedule
63. upper 325 BB unit BB2 should be selected as the heated BB since this points downward preventing heat loss from the Page 21 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 cavity by air advection when the scan drum aperture opens The following line of the isarconf cfg must be used to configure the BB heater system Heated Active blackbody 1 or 2 Normally 2 unless changed by user HOTBB 2 7 4 7 Logging data to the ISAR SD card The ISAR system has a 2GB SD card system that can be used to store ISAR average and SST data records All data are appended to a file called ISARDATA DAT Data logging to the SD card can be turned ON by the following line in the isarconf cfg file LOG_DATA 1 7 4 8 Configuring ISAR measurement angles The ISAR can be configured to obtain data from a target at any angular position 0 360 by setting the scan drum angle to a given angular location Experience has shown that 10 positions are sufficient for most applications The isarconf cfg file can be used to specify 10 set scan drum positions by using the following line SCAN_POS_1 280 0 30 SCAN POS 2 325 0 30 SCAN POS 3 25 0 10 SCAN POS 4 155 0 40 In this example four target views will be sampled sequentially in the order from top to bottom 280 325 25 and 155 degrees Note that views of the ISAR calibration blackbody targets 280 0 and 325 0 must be defined as view angles here Otherwise
64. utter switch 2 Integer 1 active 57 3 1000 Degrees Pitch Float 58 0 001 Degrees Standard deviation of pitch measurement Float Page 30 of 45 Werenfrid Wimmer amp Craig Donlon ISAR 5D User Manual Issue 2 01 CSV E l Unit D ipti Value and Position xampie nits escription format 59 30 Number of pitch measurements averaged Float 60 1 1000 Degrees Roll Float 61 0 001 Degrees Standard deviation of roll measurements Float 62 30 Number of roll measurements averaged Float 63 181 70 Degrees Azimuth Float 64 0 001 Degrees Standard deviation of azimuth measurements Float 65 30 Number of azimuth measurements averaged Float 66 22 5 Degrees PNI board temperature Float 67 0 001 Degrees Standard deviation of PNI board temperature Float 68 30 Number of PNI temperature measurements Float averaged 69 50 893501 Degrees Latitude Float 70 1 39583 Degrees Longitude Float 71 11 0 Knots Speed over ground SOG Float 72 0 001 Degrees Standard deviation of SOG Float 73 30 Number of SOG measurements averaged Float 74 32 4 DegreesT Course made good CMG Float 75 0 001 Degrees Standard deviation of CMG Float 76 30 Number CMG of measurements averaged Float 77 4 2 Degrees Magnetic variation Float 78 0 001 Degrees Standard deviation of magnetic variation Float 79 30 Number of magnetic variation measurements Float averaged 80 289
65. xecutable program to the onboard computer 4 Configure the ISOC software to make user defined measurements The root username and password are supplied on the accompanying ISAR CD ROM and can also be found in the FAQ section of this manual 7 1 Mounting the SD card The onboard SD card can be mounted using a normal Linux prompt as follows File Edit View Terminal Help GNU nano 1 2 4 File etc init d isarboot adr robe pxamci modprobe mmc_block mount t vfat dev mmcblLkOp1 data cd home isar software 1sar 7 2 Accessing the ISAR SD card The ISAR system has an internal 2GB SD card that can be used to store programs configuration files calibration information and data files The SD card can be accessed using standard Linux commands The standard mount point is data File editing can be achieved using a suitable file editing programme such as Nano 7 3 Uploading a new program onto the ISAR instrument Before any program can be executed the program must be uploaded into the appropriate directory of the onboard computer home isar software using standard Linux commands 7 3 1 Loading a new operational code or configuration file onto ISAR To load a program onto the ISAR the user can SFTP into the instrument using the instrument IP address and upload the required file using standard Linux commands to the home isar software directory 7 3 2 Stopping the ISAR resident data logging program When the ISAR is pow

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