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Operation Manual

SYSTEM

OCR-504 Multispectral Radiometer

SECTION

D - OPERATION

Channel (



4

)

4

A BF formatted value (single-precision floating
point) representing the calibrated output
(engineering units) from the fourth optical
channel. For an irradiance sensor, the units
are “uW/cm

2

/nm”; for a radiance sensor, the

units are “uW/cm

2

/

nm/sr”.

Vin Sense

2

This field contains a BU formatted value
indicating the regulated input voltage.

Int. Temp.

2

This field contains a BU formatted value
indicating the internal temperature of the
instrument.

FRAME
COUNTER

1

A BU formatted data integrity sensor that
maintains a count of each frame transmitted.
The count increments by one for each frame
transmitted from 0 to 255, at which point it rolls
back to zero again.

CHECK SUM

1

This is a BU formatted data integrity sensor
which implements a check sum on the
telemetry frame.

TERMINATOR

2

This field indicates the end of the frame. The
frame is terminated by a carriage return/line
feed pair (0D

hex

and 0A

hex

).

ASCII

T

ELEMETRY

–

R

AW

ADC

C

OUNTS

O

NLY

Data is presented as tab-delimited ASCII text. Only optical channel data is
provided, in raw ADC counts; this is known as the “short” frame type.

Relevant configuration parameters:

frametype: short

usecal: off

Field Name

Field

Size

(bytes)

Description

Instrument

6

A unique 6 character AS formatted string
denoting the start of a frame of telemetry. For
irradiance sensors, the instrument string is
“SATAI4”; for radiance sensors, the string is
“SATAR4”.

«
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Содержание OCR-504

Страница 1: ...Product Manual OCR 504 Multispectral Radiometer Document No Release Date Version Firmware Software SAT DN 00034 May 21 2013 G SatNet Type B n a seabird com Copyright 2017 Sea Bird Scientific ...

Страница 2: ...Preparation C 1 Connecting the Components C 2 Network Assembly C 3 CONDUCTING A TELEMETRY TEST C 3 D OPERATION D 1 INITIALIZATION SEQUENCE D 1 AUTONOMOUS OPERATION D 2 NETWORK OPERATION D 4 TELEMETRY FORMAT D 5 Binary Telemetry D 5 Binary Telemetry with Engineering Units D 6 ASCII Telemetry Raw ADC Counts Only D 8 ASCII Telemetry Raw ADC Counts With Calibration Coefficients D 9 ASCII Telemetry Opt...

Страница 3: ...E 14 Telemetry startup latency E 14 Calibration Coefficient a0 E 14 Calibration Coefficient a1 E 14 Immersion Coefficient E 15 F RECOVERY F 1 G MAINTENANCE G 1 PREVENTATIVE MAINTENANCE G 1 TROUBLESHOOTING WITH A TERMINAL EMULATOR G 1 TROUBLESHOOTING FOR HARDWARE PROBLEMS G 1 Check Connections G 1 Check the Supply Voltage to the OCR 504 G 2 Check Cable Continuity G 3 H WARRANTY H 1 WARRANTY PERIOD ...

Страница 4: ... different transmission medium The RS 232 interface provides transmit and receive capabilities while the RS 422 interface is transmit only A non isolated RS 485 interface is also provided for operating the instrument in a SatNet network environment The OCR 504 must be powered from a 6 to 22 VDC supply voltage range 25mA nominal current draw Instrument telemetry which is transmitted from the instru...

Страница 5: ...nnel radiometer 7 seven channel radiometer t TYPE OF RADIOMETER I Irradiance R Radiance I R coupled Irradiance and Radiance ff FIELD OF VIEW 10 10 degrees half angle CS cosine M MEDIA A Air W water For example an OCR 504 R10W is an OCR 500 series instrument with four radiance channels each with a 10 half angle FOV Field Of View and is intended for in water use Please note that not all OCR 504 mode...

Страница 6: ...Operation Manual SYSTEM OCR 504 Multispectral Radiometer SECTION A OVERVIEW Standard OCR 504 Figure 1 Standard OCR 504 Configurations ...

Страница 7: ...Identification Description 1 V DC Power Supply 6 to 22 Volts 2 V SG Power Supply Return Signal Ground 3 TA RS 422 Telemetry Interface Transmit A Balanced differential serial data from instrument to computer 4 TB RS 422 Telemetry Interface Transmit B Balanced differential serial data from instrument to computer 5 Tx RS 232 Telemetry Interface Serial data from instrument to computer 6 Rx RS 232 Tele...

Страница 8: ...Operation Manual SYSTEM OCR 504 Multispectral Radiometer SECTION A OVERVIEW Deep OCR 504ICSW Figure 3 Deep OCR 504ICSW ...

Страница 9: ... a TELEDYNE IMPULSE IE55 1206 BCR connector Figure 4 illustrates the connector pin configuration 1 3 2 4 6 5 Figure 4 TELEDYNE IMPULSE IE55 1206 BCR The pins are designated as follows Pin Identification Description 1 V SG Power Supply Return Signal Ground 2 Rx RS 232 Telemetry Interface Serial data from computer to instrument 3 NC Not internally connected 4 V DC Power Supply 6 to 22 Volts 5 Tx RS ...

Страница 10: ...Operation Manual SYSTEM OCR 504 Multispectral Radiometer SECTION A OVERVIEW AUV OCR 504ICSW Figure 5 AUV OCR 504ICSW ...

Страница 11: ... communication with the sensor The table below maps wire colour to function Wire Colour Identifica tion Description RED V DC Power Supply 6 to 22 Volts BLACK V SG Power Supply Return Signal Ground GREEN Tx RS 232 Telemetry Interface Serial data from instrument to computer BLUE Rx RS 232 Telemetry Interface Serial data from computer to instrument When the sensor is used with the TELEDYNE WEBB RESEA...

Страница 12: ...Operation Manual SYSTEM OCR 504 Multispectral Radiometer SECTION A OVERVIEW Integrated OCR 504 Configurations Figure 6 Integrated OCR 504 Configurations ...

Страница 13: ...ther pressure vessels they are normally provided with a potted wiring harness to provide power to the sensor and allow RS 232 communication with the sensor The table below maps wire colour to function Wire Colour Identifica tion Description RED V DC Power Supply 6 to 22 Volts BLACK V SG Power Supply Return Signal Ground GREEN Tx RS 232 Telemetry Interface Serial data from instrument to computer BL...

Страница 14: ...ed Collector area 86 0 mm2 Detectors custom 17 mm2 silicon photodiodes Spectral Characteristics Bandwidth range 400 700 nm standard custom also available Number of channels 4 Spectral bandwidth 10 nm or 20nm Filter type custom low fluorescence interference Optical Characteristics Cosine response within 3 0 60 within 10 60 85 Typical NEI 2 5x10 3 uW cm 2 nm 1 Operating Characteristics Operating tem...

Страница 15: ... custom 13 mm2 silicon photodiodes Spectral Characteristics Bandwidth range 400 700 nm standard custom also available Number of channels 4 Spectral bandwidth 10 nm or 20nm Filter type custom low fluorescence interference Optical Characteristics Out of band rejection 10 6 Out of field rejection 5x10 4 Typical NER 300x10 6 uW cm 2 nm 1 Operating Characteristics Operating temperature 4 to 40 C ...

Страница 16: ...can entangle the cable and cause damage or instrument loss Cable To prevent damage to the conductors within the Kevlar strength member ensure the power telemetry cable is not pinched or bent to a radius less than 18 cm Connections Handle electrical terminations carefully as they are not designed to withstand strain Disconnect the cables from the components by pulling on the connector heads and not...

Страница 17: ...starting fires or damaging equipment Recovery Remember never to grab the electrical portion of the instrument cable during recovery This can cause damage to the power telemetry bulkhead and the underwater splice Lens caps should always be replaced as soon as the instrument comes back on board This will help protect the heads from direct damage Be sure to rinse seawater from the instrument with fre...

Страница 18: ...ons3 SatView and SatCon are available to you for any PC running Windows 4 95 98 NT 2000 XP Both applications are compliant with the Sea Bird Scientific Data Format Standard SatView is a data acquisition and real time display application SatCon is a post processing application for telemetry logged with SatView Note that it is not necessary to use the software mentioned above to log the instrument t...

Страница 19: ...ay use this procedure with any Sea Bird Scientific approved interface cable 1 Ensure that initially the instrument is completely disconnected from the power supply 2 Ensure that the power supply is setup for the proper voltage 3 If possible turn off the power supply 4 Mount the instrument in the desired position 5 Connect the instrument side of the interface cable to the bulkhead on the instrument...

Страница 20: ...ets still hold true Use the procedures stated in the previous section for mounting your instrument and connecting disconnecting power In most cases Sea Bird Scientific will provide you with the necessary cables and assembly instructions for connecting your instruments The cables must ensure that the NA and NB pins of all networked devices are connected to each other See section D OPERATION for mor...

Страница 21: ...or values This test assumes that the instrument s you are testing are operating with free running telemetry This means that telemetry from the system is broadcast on a continuous basis See section D OPERATION for more information on controlling your instrument s telemetry output Once you are satisfied that the instrument s are working correctly the next step is to deploy it for fieldwork Otherwise...

Страница 22: ...Radiometer Copyright C 2011 Sea Bird Scientific All rights reserved Firmware version 5 1 0 SatNet Type B Instrument SATDI4 S N 0001 Reset Source Power Press Ctrl C for command console Initializing system Please wait This banner is a simple text message that can be viewed in a terminal emulator See section E CONFIGURATION for more information on setting up a terminal emulator to monitor output from...

Страница 23: ...nly the telemetry interface for communication and telemetry output The network interface is disabled During autonomous operation the default behavior of the instrument is to continually sample its optical sensors and output telemetry on the RS 232 and RS 422 telemetry interfaces When the instrument is used in the field this telemetry would be collected and saved to a storage medium Generally a dat...

Страница 24: ...output Ctrl P 10 This command powers down the operational components of the instrument This may reduce the instrument s total power consumption as any electronics associated with sensor operation will be turned off if possible The instrument is otherwise fully operational so communication is still possible When operational components are powered down telemetry output is disabled regardless of the ...

Страница 25: ...k Master All communication is relayed through the network between the Network Master and the other instruments running in network operation mode Instead of sending a telemetry frame through the telemetry interface as is done in autonomous operation each instrument sends its telemetry through the network interface to the Network Master The Network Master then channels the telemetry through its tele...

Страница 26: ...lowing sections Please note that with the exception of the standard binary telemetry format the telemetry formats described below are only available with firmware version 5 1 0 and later BINARY TELEMETRY This is the standard telemetry frame format Data is presented in a fixed length binary format with optical data provided as raw ADC counts Relevant configuration parameters frametype binary usecal...

Страница 27: ...l Vin Sense 2 This field contains a BU formatted value indicating the regulated input voltage Int Temp 2 This field contains a BU formatted value indicating the internal temperature of the instrument FRAME COUNTER 1 A BU formatted data integrity sensor that maintains a count of each frame transmitted The count increments by one for each frame transmitted from 0 to 255 at which point it rolls back ...

Страница 28: ...ith zeros and is precise to two digits after the decimal Sample Delay 2 A BS formatted value representing the number of milliseconds to offset the Timer value to give an accurate indication of when the frame s sensors were sampled Channel 1 4 A BF formatted value single precision floating point representing the calibrated output engineering units from the first optical channel For an irradiance se...

Страница 29: ...d The count increments by one for each frame transmitted from 0 to 255 at which point it rolls back to zero again CHECK SUM 1 This is a BU formatted data integrity sensor which implements a check sum on the telemetry frame TERMINATOR 2 This field indicates the end of the frame The frame is terminated by a carriage return line feed pair 0Dhex and 0Ahex ASCII TELEMETRY RAW ADC COUNTS ONLY Data is pr...

Страница 30: ...counts from the second optical channel Tab 1 Tab delimiter Channel 3 10 typical max An AU formatted value representing the sampled A D counts from the third optical channel Tab 1 Tab delimiter Channel 4 10 typical max An AU formatted value representing the sampled A D counts from the fourth optical channel TERMINATOR 2 This field indicates the end of the frame The frame is terminated by a carriage...

Страница 31: ...b delimiter Channel 1 10 typical max An AU formatted value representing the sampled A D counts from the first optical channel Tab 1 Tab delimiter A0 1 14 max The Sea Bird Scientific OPTIC2 fit type a0 coefficient for optical channel 1 Tab 1 Tab delimiter A1 1 19 max The Sea Bird Scientific OPTIC2 fit type a1 coefficient for optical channel 1 Tab 1 Tab delimiter Im 1 6 max The Sea Bird Scientific O...

Страница 32: ...ficient for optical channel 3 Tab 1 Tab delimiter Channel 4 10 typical max An AU formatted value representing the sampled A D counts from the fourth optical channel A0 4 14 max The Sea Bird Scientific OPTIC2 fit type a0 coefficient for optical channel 4 Tab 1 Tab delimiter A1 4 19 max The Sea Bird Scientific OPTIC2 fit type a1 coefficient for optical channel 4 Tab 1 Tab delimiter Im 4 6 max The Se...

Страница 33: ... uniquely identifies the instrument This combination is known as the frame header or synchronization string This is normally a four character field Tab 1 Tab delimiter Channel 1 10 typical max An AF formatted value representing the calibrated output engineering units from the first optical channel For an irradiance sensor the units are uW cm2 nm for a radiance sensor the units are uW cm2 nm sr Tab...

Страница 34: ...oefficients This is known as the long frame type Relevant configuration parameters frametype long usecal on Field Name Field Size bytes Description Instrument 6 A unique 6 character AS formatted string denoting the start of a frame of telemetry For irradiance sensors the instrument string is SATGI4 for radiance sensors the string is SATGR4 Serial Number 4 1 10 allowed An AS AI formatted string den...

Страница 35: ... cm2 nm sr Tab 1 Tab delimiter A0 2 14 max The Sea Bird Scientific OPTIC2 fit type a0 coefficient for optical channel 2 Tab 1 Tab delimiter A1 2 19 max The Sea Bird Scientific OPTIC2 fit type a1 coefficient for optical channel 2 Tab 1 Tab delimiter Im 2 6 max The Sea Bird Scientific OPTIC2 fit type Im immersion coefficient for optical channel 2 Tab 1 Tab delimiter Channel 3 10 typical max An AF fo...

Страница 36: ... Sea Bird Scientific OPTIC2 fit type a0 coefficient for optical channel 4 Tab 1 Tab delimiter A1 4 19 max The Sea Bird Scientific OPTIC2 fit type a1 coefficient for optical channel 4 Tab 1 Tab delimiter Im 4 6 max The Sea Bird Scientific OPTIC2 fit type Im immersion coefficient for optical channel 4 TERMINATOR 2 This field indicates the end of the frame The frame is terminated by a carriage return...

Страница 37: ...l connection to the instrument is at the telemetry baud rate Use any ANSI or ANSI compliant i e VT xxx emulation While operating in this mode your OCR 504 uses simple character I O with no control character interpretation Therefore most terminal emulators will do The command console can be accessed at any point during the instrument s operation You can even access the command console of a remote o...

Страница 38: ... repeatedly executing the same or similar commands The command console interprets all commands as case sensitive This means that the command exit is different from EXIT Most commands require small case letters If this is your first time using the command console a good starting point is the help command As you probably noticed the command prompt header suggests this command for novice users Execut...

Страница 39: ...ts The values listed here are always separated by the character In this case there are three accepted forms of this command power on power off and power Generally the usage of the command console is self explanatory It should only take you a few moments to get a working knowledge of the system Although the on line help is fairly extensive some commands need more detailed explanations that would be...

Страница 40: ...ow Operational Power on IMPORTANT Operational power will remain in the state set by this command once the command console exits and normal operation resumes SET COMMAND The set command modifies configuration parameters for the instrument These parameters affect various aspects of the instrument s operation and can be modified by the user to customize the instrument For an OCR 504 if you enter a se...

Страница 41: ...Usage show parameter all See help for the set command for a list of available parameters This command requires only one command line parameter which is the same as the first parameter of the set command Using the show command in this way displays the current value of the configuration parameter even if it has not yet been saved You may also use all as the command line parameter to show a complete ...

Страница 42: ...s is available Typing show calcoeffs will display the calibration coefficients similar to the following Cal coefficients Optical Channel 1 a0 2147582763 7 2147582763 a1 2 03019013945e 007 2 03019e 07 a0 1 365 1 365 Optical Channel 2 a0 2147871011 6 2147871011 a1 1 97172313736e 007 1 97172e 07 a0 1 354 1 354 Optical Channel 3 a0 2147147734 9 2147147734 a1 2 20643967713e 007 2 20644e 07 a0 1 373 1 3...

Страница 43: ...test the operation of all sensors on board the instrument This may be helpful in diagnosing problems with any of the instrument s sensors if some kind of abnormality occurs Before using this command make sure operational power has been applied When a sensor is sampled by this command its value is displayed in hexadecimal format This value is simply the number of counts measured by the sensor s Ana...

Страница 44: ...yes the configuration parameters will be saved and the instrument will reset itself Otherwise any modifications to the configuration parameters will be lost See the Save Command section above for more information on saving configuration parameters OCR 504 Configuration Parameters This section describes in detail the function of each configuration parameter used by the OCR 504 The title of each sec...

Страница 45: ... want the telemetry interface to run at the fastest baud rate available However certain restrictions like cable quality or excessively long transmission mediums may require a reduction in the telemetry baud rate The data acquisition computer and or software may also impose restrictions MAXIMUM FRAME RATE Command Line Parameter maxrate This parameter allows you to define the maximum frame rate that...

Страница 46: ...ument is capable of providing will help pace the output of each frame evenly Generally an OCR 504 cannot exceed a frame rate faster than 7 5 Hz even under the best of conditions Only certain standard frame rates are accepted by this parameter as shown in the table below Frame Rate Hz 0 125 0 25 0 5 1 2 4 8 10 12 0 AUTO When modifying this parameter with the set command you must enter one of these ...

Страница 47: ...quence operational power is normally applied However the instrument can be configured to boot into a power savings mode With the initialize power down parameter enabled operational power will not be applied during initialization This means that telemetry output will be disabled when normal operation begins See section D OPERATION for more information on the initialization sequence When modifying t...

Страница 48: ...entifies an instrument on a network All network transmissions use this parameter to identify the sender and receiver of the message It is not important what value is assigned to the network address as long as it is unique from other instruments in the network IMPORTANT Make sure that each device on the network including the Network Master has a unique network address If two or more devices have th...

Страница 49: ...rate available However certain restrictions like cable quality or excessively long transmission mediums may require a reduction in the network baud rate OPTICAL DATA AVERAGING ENABLE Command Line Parameter avg Value Parameter on off This parameter enables or disables optical data averaging The number of ADC samples used for averaging is fixed depending on the maxrate parameter as follows Frame Rat...

Страница 50: ...CY Command Line Parameter latency Value Parameter value 0 4294967296 The Startup Latency parameter allows the user to add additional startup delay before sampling begins This setting may be useful for synchronizing initial sampling with other instruments or perhaps for allowing time for an optional Sea Bird Scientific Bioshutter paddle to move out of the field of view of the OCR 504 The latency va...

Страница 51: ...fic personnel Incorrect calibration coefficients will generate invalid data in telemetry frames generating data using engineering units IMMERSION COEFFICIENT Command Line Parameter imch 1 4 Value Parameter value Example set imch1 1 368 The Immersion Coefficient setting allows the user to enter the immersion calibration coefficient for ADC channels 1 through 4 a0ch1 a0ch2 a0ch3 a0ch4 as a decimal v...

Страница 52: ... DO NOT TWIST THE CABLE OR PULL ON THE CABLE DIRECTLY AS THIS MAY DAMAGE THE CONNECTORS OR THE CABLE ITSELF ALWAYS DISCONNECT THE POWER SUPPLY FIRST Replace the dummy plugs to the connectors and the vinyl end cap to the instrument for protection during storage Always be sure to rinse the instrument with fresh water prior to storage in order to prevent corrosion If there is any seawater in contact ...

Страница 53: ...red up and is in normal operation with free running telemetry you should see what looks like random characters being periodically output to the display This is normal The instrument telemetry may contain a lot of binary data which is not normally processed by a dumb terminal However you should be able to periodically pick out the instrument s frame header or synchronization string This series of c...

Страница 54: ...e multimeter to measure a DC voltage 2 If using a battery as the power source measure the voltage directly at the battery terminals with the multimeter If the voltage is low then recharge or replace the battery If using a DC power supply set the output voltage to within the proper range and check the voltage with the multimeter 3 Connect the power supply cable to the power source 4 Being extremely...

Страница 55: ... end of the cable to pin 1 on the other end The meter should confirm that the connection is continuous by either giving an audible signal or measuring a low resistance If there is not continuity there is a break in the cable which will require repair 3 Repeat step 2 for all pins in the cable 4 Check for shorts from pin 1 to all other pins by keeping one probe lead on pin 1 and touching the other p...

Страница 56: ... to Sea Bird Scientific whether under warranty or not contact the Sea Bird Scientific Customer Support Department and request a Returned Material Authorization RMA number and provide shipping details All claims under warranty must be made promptly after occurrence of circumstances giving rise thereto and must be received by Sea Bird Scientific within the applicable warranty period Such claims shou...

Страница 57: ...Operation Manual SYSTEM OCR 504 Multispectral Radiometer SECTION I DECLARATION OF CONFORMITY I DECLARATION OF CONFORMITY ...

Страница 58: ...ion of Conformity 2013 05 21 RVD G Updated NEI Added operating temperature range 2017 05 12 TVY Updated to Sea Bird Scientific Branding Copyright 2017 by Sea Bird Scientific This document contains information proprietary to Sea Bird Scientific or to a third party to which Sea Bird Scientific may have legal obligation to protect such information from unauthorized disclosure use or duplication Any d...

Страница 59: ...programs Most of these are suitable for this application so you are free to use whatever terminal emulator you are comfortable with If you are unfamiliar with terminal emulators this tutorial will help you get started with the emulator program that is distributed with Windows called HyperTerminal The first step in using HyperTerminal is to make sure you have it installed One way of starting the ap...

Страница 60: ...al Radiometer SECTION K APPENDIX A Figure 7 Add Remove Programs When you run HyperTerminal with a new connection the program will ask you for connection information so it can be saved for your next session You should see the following dialog box ...

Страница 61: ... depending on which serial port you are using on your computer The word Direct indicates that you are making a direct connection to the port You do not need a modem for a direct connection When you have selected your connection name press the OK button This should invoke the Connect To dialog box as shown below Figure 9 HyperTerminal Connect To dialog box As your connection does not involve a mode...

Страница 62: ... rate of the telemetry interface Keep in mind that you may change the properties of your connection at any time after your initial setup Once you have chosen your settings press the OK button HyperTerminal will then connect to the serial port which should be connected to your instrument and display the main window You must now configure HyperTerminal s emulation options for use with your instrumen...

Страница 63: ...on Properties dialog box In the Emulation dropdown box select ANSI as the connection s terminal emulation mode The other settings of the dialog box should be set as shown When you have completed setting these parameters press the ASCII Setup button to open the ASCII Setup dialog box as shown below ...

Страница 64: ...per character I O with your instrument You are now ready to use HyperTerminal to establish instrument communications You should only have to go through this setup process once HyperTerminal will save all your connection information in a HyperTerminal file ht To reestablish your connection simply open this file HyperTerminal will open and automatically connect to the serial port with the saved sett...

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