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User's Manual - Lahoux Optics

1. 2 1 2 2 Backward compatible Photon accessories 2 2 2 3 Software accessory SDK for Windows amp Embedded 2 3 3 Basic Operation of the Tau and GUI 3 1 Operation of the Tau camera using the Photon development kit 3 1 3 2 Remote control of the au camera 3 2 3 3 Connecting the serial communications interface using the development kit 3 2 3 4 Installing the FLIR Camera Controller 88 9 8 3 3 3 9 Connecting the Tau to a PC via the 1 0 Module 3 6 3 6 Troubleshooting the FLIR Camera Controller 3 8 3 7 Operation of the FLIR Camera Controller 8 3 9 3 8 Setup Tab 3 10 EE o o e UU ie anaen en 3 14 3 10 Digital Video Tab 3 18 3 19 A s c n 3 22 4 Tau Digital Data Channel 4 1 Using the Digital Data Channel 4 2 5 Overview of the Electrical Interface Sed MOA 5 1 O c Hirose OLDFPImn CODIIBODDEP ege ege ege e ao 5 1 ad Analog Video QUEUE runa EE 9 4 Command and Control Channel Se 9 3 So DP STEN TRU NM 0 3 TAU 0035 00 10 version 100 iii Table of Contents User s Manual Appendix A Pin out Definitions A
2. 2X M2X0 4 6H V 157 MINOR DIAMETER 020 C B M A e 010 C Tau Camera Core Interface Description Document 25mm Sheet 1 TAU 0035 00 10 version 100 April 2009 C 4 Tau User s Manual Appendix C Mechanical IDD Reference NOTES UNLESS OTHERWISE SPECIFIED 1 INDICATED DIMENSIONS ARE FOR AN ARRAY SIZE OF 320x256 POS T ONAL TOLERANCES ALSO APPLY FOR 160x120 ARRAY SIZE 2 25 02 69 08 0 51 2 CONNECTOR INTERFACE HIROSE 50 PIN DF12 50DS 0 5V 86 MATING x CONNECTOR P N DF12 5 0 50DP 0 5V 86 FOR PIN OUT DESIGNATIONS SEE TAU CAMERA USERS GUIDE INDICATED ALLOWABLE TRAVEL FOR FOCUS eros 7 A 4 1 59 02 d uu 1 75 40 39 0 51 16 18 n 537 13 64 PIN 1 82777 7 2X 45 290 PIN 49 COLUMN 0 7 37 In 2X M1 6X0 35 6H MINOR DIAMETER PIN 50 1 ROVV 256 020 A IBMI C COLUMN 324 A 2520 558 6 401 14 17 1 75 FPA ACTIVE 32 6 78 44 45 AREA 320x240 DIAGONAL e OPTICAL o14 A BM C F O V 7 750 L 19 05 OPTICAL X 45 PIN 2 C 3189 IC ROWO 8 100 ROWO 2X M
3. SEE TAU CAMERA USERS MANUAL T 92 0 0 0 48 89 a uz SS 1 09 27 69 M29X1 0 6h mu Det an Y 060 MINOR DIAMETER i 0 03 014 A B M C 2X 450 152 B 1 060 bl 003 2692 2x 6H PIN 49 i 26 87 MINOR DIAMETER 19 014 A B W C 020 A BM C S 010 A ROVV 256 N COLUMN 324 COLUMN 0 1 2520 Dew 522 538 1 FPA ACTIVE iL 13 25 13 61 I 345 EG AREA 320x240 5 l 0141A B M C mn 1 50 44 45 L f i 38 At 28 07 OPTICAL IL 13 25 TO FLAT 750 PIN 2 19 05 cof e AVAILABLE LENSES ALL LENSES SEALED TO IP67 L C HAR HARD CARBON LIKE COATING L 7 69 13 25 n 2X M2X0 4 6H Y 157 100 ROW 0 5mm f1 25 HAR COATING NEAR AND FAR SIDES 8 100 LA SHOWN MINOR DIAMETER 12 54 FPA AREA FoV HxV 160x120 43 x35 o 020 BAC 060 001 1 52 0 03 Y 060 320x240 emm tas AR COATING amp Sr _ O X X X 010 B 7 o l 0141A BM C FoV HxV 320x240 48 x37 003 A D M C Wes 13mm f1 25 HAR COATING _ FoV HxV 160x120 17 x14 37 85 FoV HxV 320x240 34 x26 19mm f1 1 M29x1 0 FoV m 160x120 12 x10 FoV HxV 320x240 24 x18 592 15 04 Ll a B 100 2 54 2X M2X0 4 6H Y 157 MINOR DIAMETER y 9 020 C B A 010 C Tau Camera Core Interface Description Document 5mm 19mm Sheet 1 TAU 0035 00 10 version 100 April 200
4. Bi EN xeu apog uomounJ April 2009 TAU 0035 00 10 version 100 Appendix B Serial Communication Technical Details Tau User s Manual B 4 1 Byte Count Bytes e On all incoming and outgoing messages the Byte Count Bytes are used to specify the total number of data bytes in the packet Note the number of data bytes in the packet is not equal to the total number of bytes in the packet For example a No Op serial command contains zero data bytes e The Byte Count must be an even number from O to Ox1F4 500 decimal B 4 2 CRC Bytes e On all incoming and outgoing messages two cyclical redundancy checks CRCs are calculated using CCITT 16 initialized to O e CRC1 is calculated using only the first 6 bytes of the packet e CRC2 is calculated using all previous bytes in the packet i e bytes O through N B 5 Example of the format of a serial message Table B 5 describes the bytes that are transferred when the FFC MODE SELECT OxOB command is issued to the camera to set the mode to Auto OxO1 and to get the FFC mode Table B 5 Sample FFC MODE SELECT 0x0B Command oet Message sent to camera Process Code Reserved Byte Count E Ox6E OxOO OxOO OxOO OxO2 OxOF Ox08 OxOO OxO1 Ox10 Ox21 Hesponse from camera to set message Process Code Reserved Byte Count E Ox6E OxOO OxOO OxOO OxO2 OxOF 0x08 OxOO OxO1 Ox10 Ox21 Get Message sent to camera OxBE OxOO OxOB OxOO OxOO OxeF Dx4A 77 OxOO OxOO
5. Ramp In this ramp mode the test pattern shown below and in the Color LUT section that follows is provided at the analog and digital data channels pix 0 0 0 pix 639 0 nmm c pix 25 408 16383 pix 25 409 0 Figure 3 5 Ramp test pattern example for Top Portion of Tau Ramp Image Digital values shown apply to the optional 14 bit digital data stream The above ramp pattern repeats 19 times in the complete 320 x 256 image Note The ramp test pattern IS intended primarily for verifying the output of the digital data channel The pattern will not necessarily look as shown above when displayed on an analog video monitor particularly if an Automatic Gain Control AGC mode other than Automatic is selected The above image IS horizontal slice of the full displayed image TAU 0035 00 10 version 100 April 2009 3 13 3 Basic Operation of the Tau and GUI Tau User s Manual 3 9 Analog Video Tab The Analog Video tab on the FLIR Camera Controller shown below provides the ability to modify four different Tau modes e Image Orientation e Pan amp Zoom e Polarity LUT e FFC Warn Time e Dynamic Digital Detail Enhancement DDE e Video Color e Video On Off 1 Select Video 2 Select Analog Video E Tau Camera Controller File View Camera Tools Me j Analog video gt ED g Vic LA gt Orientation Polarity LUT I Invert Flip the image vertically
6. Tau User s Manual FLIR Inc 70 Castilian Drive Goleta CA 93117 Phone 888 747 FLIR 888 747 3547 International 1 805 964 9797 www Hr Com www corebyindigo com Document Number TAU 0035 00 10 uu Version 100 ri Issue Date April 2009 This document is controlled to FLIR Technology Level EAR 1 The information contained in this document is proprietary and or restricted and pertains to a dual use product controlled for export by the Export Administration Regulations EAR This document and data disclosed herein or herewith is not to be reproduced used or disclosed in whole or in part to anyone without the written permission of FLIR Systems Inc Diversion contrary to US law is prohibited US Department of Commerce authorization is not required prior to export or transfer to foreign persons parties or uses otherwise prohibited FLIR Inc 2009 All rights reserved worldwide No parts of this manual in whole or in part may be copied photocopied translated or transmitted to any electronic medium or machine readable form without the prior written permission of FLIR Inc Names and marks appearing on the products herein are either registered trademarks or trademarks of FLIR Inc and or its subsidiaries All other trademarks trade names or company names referenced herein are used for identification only and are the property of their respective owners Liberation fonts are copyright 2009 by RedHat and are us
7. 4445 20 4 DIAGONAL 1 50 ON OPTICAL 38 7 69 PIN 2 a ROW 0 ROW 0 COLUMN 0 COLUMN 324 2X M2X0 4 6H Y 157 NEAR AND FAR SIDES 1 50 27977 M NOR DIAMETER 38 020 B A C FPA ACTIVE AREA 95 TE 320x240 1 75 1 014 A BC 5 44 45 2 60 66 OPTICAL H A N L 13 44 L 100 2 54 2X M2X0 4 6H V 157 MINOR DIAMETER amp 020 C B M A at Tau Camera Core Interface Description Document 60mm Sheet 1 TAU 0035 00 10 version 100 April 2009 C 6
8. Hesponse from camera to get message 0x02 01 0x10 0x21 B 10 April 2009 TAU 0035 00 10 version 100 Tau User s Manual Appendix B Serial Communication Technical Details B 6 Description of serial commands B 6 1 Camera Defaults The RESET FACTORY DEFAULTS command sets the current settings to the factory default values In order to save these values as power up defaults it is necessary to do a SET DEFAULTS command B 6 2 AGC algorithms Use the AGC TYPE command to select one of the following AGC algorithms e Automatic e nce Bright e Auto Bright e Manual e Linear e ogarithmic B 6 3 Pan and Tilt The PAN AND TILT command controls this feature in the camera when the image is zoomed It does not have any effect when the image is not zoomed The center of the screen is considered as coordinate 0 0 A positive number is needed to pan right and negative number to pan left A pan value of 1 pans to the right by one column and a pan value of 1 pans to the left by one column from the center of the image A positive number is needed to tilt downwards and a negative number to tilt upwards A tilt value of 1 tilts downwards by one row and a tilt value of 1 tilts upwards by one row from the center of the image When the image is being panned or tilted the ROI moves along with these coordinates The limits for the zoom ROI have been set to one and a half times the
9. shown below At the bottom of the application window you should see Camera and FPA status The GUI provides five tabs allowing for camera control as described below I Tau Camera Controller EIE File View Camera Tools Help so status gt e Status Status System Status A Ready for acquisition un bul er c ua E a C gt a a Part 500 0380 03 Serial Number 5930 Fpa Temp Connected MSCOMM Ready Part 500 0380 03 FPA Temp 20 0 FPA Size 80x60 Figure 3 2 FLIR Camera Controller Status Tab Camera Part indicates the specific camera configuration connected Camera Serial This is the serial number of the camera currently connected to the FLIR Camera Controller FPA Temperature The camera s Focal Plane Array FPA temperature The connection status Camera status Camera Part FPA Temp and FPA Size are displayed at the bottom of all tabs TAU 0035 00 10 version 100 April 2009 3 9 3 Basic Operation of the Tau and GUI Tau User s Manual 3 8 Setup Tab The Setup tab shown below provides the ability to do the following Modify the Flat Field Correction FFC Set the External Sync mode e Freeze the video via the Operating Mode section e Supplemental Offset e Set the camera to generate a Test Pattern e Save the settings to the camera s non volatile memory Restore the Factory Defaults e Reset the Camera f Tau
10. Camera Controller AOF File View Camera Tools Help SH Flat Field Correction 557 r External Sync T Manual E Aulo EN External Disable C Slave C Master setup FFC Interval 3500 frames Operating Mode EJ Temp change fio DEES Real Time C Frozen x Test Pattern Do FFC E Off C Ramp AGC Save Settings Factory Defaults Reset Camera Connected MSCOMM Ready FPA Temp 21 A FPA Size 80x60 Figure 3 3 FLIR Camera Controller Setup Tab 3 10 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI Flat Field Correction Mode Tau includes internal zu Field Correction mechanisms for periodically improving image quality via a process called flat field correction FFC During FFC a Manual Auto C External small calibration flag a shutter rotates in front of the FFC interval be rames detector array presenting a uniform temperature a flat i Temp change fio 04 field to every detector element While imaging the flat field the camera updates correction coefficients resulting in a more uniform array output The video image is frozen Do FFC during the entire process which takes less than a second and it resumes automatically thereafter Repeating the FFC operation often prevents the imagery from appearing grainy This is especially important when the camera temperature is fluctuating such as immedia
11. Connect the other end of the standard serial cable to an unused serial port on your computer These ports may be labeled COM1 or COM 2 Step 4 Power on the camera Assuming the FLIR Camera Controller software is already installed on the PC see installation instructions above launch the software by selecting Start2Programs Tau FLIR Camera Controller Note The FLIR Camera Controller remembers the last COM port that successfully communicated with a Tau camera and will use that port as the default at start of the application If the connected camera is no longer on that port the port setting pop up window will appear asking for you to select the proper port setting When the FLIR Camera Controller is started the Status tab of the utility should return data similar to the following File View Camera Tools Help FLIR Status Status 1l System Status Setup Framework is currently not connected to camera To connect with camera select menu item Camera Connect If you want the camera to automatically connect on startup select menu item Tools Settings and select the automatically connect on starup check box in the settings dialog window Part Serial Number Fpa Temp EE I mn NotConnected MSCOMM Part Na x Figure 3 1 FLIR Camera Controller Status Tab 3 6 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI Step 5 Connect to your camera by s
12. DGND Ground 41 45 42 Digital Port1 clock positive Digital Port1 clock negative EN Eg 13 Digital Port Output data 1 Digital Port Output data 1 15 19 21 23 s es em fep eme Ls es Ls per pe s mmun ue pen fpe mun smi oam 075 us ss eiweg yaz EI ro O1 Pin 1 Pin 49 Pin 50 Pin 2 Figure 5 2 Mechanical Definition for 50 pin Interface Board 5 2 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 5 QOverview of the Electrical Interface 5 3 Analog Video Output The Tau camera can be configured to provide either NTSC or PAL analog video output These analog output standards allow direct video connection to common video display or recording devices such as TV monitors and VCHs Typically an analog monitor input signal is provided over a coaxial cable and uses either an RCA consumer based electronics or BNC generally associated with professional or scientific equipment style connector If you are creating a custom cable to carry the analog video signal from the Tau camera to your monitoring or recording device you should use 75 Ohm characteristic impedance coaxial cable and terminate into a 75 Ohm monitor These specifications represent standard video cabling and 1 0 and will likely be the default for any generic video receiving hardware you purchase Per the pin function table you will use the VIDEO LO and VIDEO HI pins for the a
13. asynchronous serial interface consisting of the signals named RX TX and GND using 3 3 volt signal levels Note The camera is compatible with most RS232 drivers recelvers but does not implement signaling levels compliant with the RS232 standard voltage levels B 2 Serial Communications Protocol e The required serial port settings are shown in Table B 1 e The camera does not generate an outgoing message except in reply to an incoming Message e he camera generates an outgoing reply to each incoming message e All messages both incoming and outgoing adhere to the packet protocol defined in Table B 2 and the subparagraphs that follow The first byte i e the Process byte is transmitted first followed by the rest of the bytes in the order specified e All multi byte arguments defined herein uses big endian ordering MSB first e The serial inter byte timeout is factory set to 100ms e Only use the function commands listed in Table B 4 Unsupported commands may corrupt the camera s software e For reference only a sample command and response is shown in Table B 5 Table B 1 Serial Port Settings Parameter 08 TAU 0035 00 10 version 100 April 2009 B 1 Appendix B Serial Communication Technical Details Tau User s Manual Table B 2 Serial Packet Protocol Comments Reserved Sept ms F om B 3 Status Byte For all reply messages the camera sets the Status Byte as shown in Table B
14. be placed in front of the camera The image of this uniform source will be subtracted from all subsequent images This feature is useful if there are lens or lens mount non uniformities that are not corrected by an internal FFC TAU 0035 00 10 version 100 April 2009 3 11 3 Basic Operation of the Tau and GUI Tau User s Manual Tau displays an on screen symbol called the Flat Field Imminent Symbol prior to performing an automatic FFC operation As shown in Figure 3 4 it is the green square in the upper left of the video output and is displayed nominally 2 seconds prior to the FFC operation The duration of the FFC Imminent Symbol can be set using the FFC Warn Time setting in the Analog Video tab Setting the Warn Time to zero turns off the warning see paragraph 3 9 Figure 3 4 Flat Field Imminent Symbol External Sync Mode The Tau External Sync camera provides the ability to either accept or output a Disable Slave C Master frame synchronization signal This functionality can also be disabled Disabled The camera will turn off frame synchronization Slave The camera will accept a frame synchronization signal on the interface connector The camera output will be frozen if the camera is in slave mode and no external synchronization signal is received Master The camera will output a frame synchronization signal on the interface connector when configured as a master Operating Mode The Tau camera will fre
15. foot length Part Number 308 0076 02 Input Output 1 0 Module Part Number 333 001 8 00 AC DC Power Supply Part Number 206 0001 20 IEC Line Cord Part Number 208 0004 02 Photon Replicator Board Part Number 250 0324 00 Board Spacer Part Number 261 147 7 00 Wearsaver Part Number 250 0194 00 Not Shown SUCUS Q soie T9 The Photon Replicator kit includes a power supply input output module interconnect box Photon Replicator Board 26 pin to 50 pin adapter to Tau allowing use of existing Photon cables and accessories and cables to facilitate AC power in and analog video out for your Tau camera With this accessory kit the customer only needs to purchase a standard RS 232 COM cable in order to perform advanced configuration using the free downloadable FLIR Camera Controller Longer screws are required to mount the replicator board to the Tau core 1 Photon Replicator Board accepts 6 24V The Tau core input voltage is 4 6V without the replicator attached 2 2 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 2 Optional Tau Accessories Figure 2 3 Digital Data Serial to Parallel Module or SIPO Part Number 333 0017 00 FLIR S optional serial in parallel out SIPO module converts the serial LVDS into parallel data The SIPO mates directly to the 1 0 module s digital data port and furnishes a 68 pin connector that can be attached to a frame grabber via a digital interface cable This accessory facilit
16. number of rows and columns in the video This is to enable a user to pan and tilt the zoomed portion of the image without any change in the AGG if the image being looked at does not change This also means that the AGC of the image is also determined by portions of the image that is not being currently viewed B 6 4 DDE filter The commands to control the DDE filter settings are DDE GAIN to control the gain DDE THRESHOLD to control the DDE filter threshold and SPATIAL THRESHOLD to control the spatial threshold of the DDE filter The image remains unchanged when the value of the DDE gain is O and 17 The image becomes unfocused unsharpened when the value is between 1 and 15 The image becomes more sharpened when the value is above 17 Increasing the DDE threshold will make the edges sharper For threshold values between O and about 50 the effect on the image is lesser and has a greater effect above approximately 50 Increasing the spatial threshold value will make the image look smoother TAU 0035 00 10 version 100 April 2009 B 11 Appendix B Serial Communication Technical Details Tau User s Manual The DDE filter has an automatic mode that when activated controls the DDE Gain using a combination of the Dynamic DDE setting and the scene dynamic range The valid range of the Dynamic DDE setting is from 1 to 63 Dynamic DDE settings between 1 and 16 provide image smoothing with a setting of 1 providing the most smoothing A Dynamic DDE sett
17. of the input power will damage the cameras internal power supply This damage will not be covered under the camera warranty Table 5 1 Input Power Requirements Baseline Parameter Value Minimum voltage Absolute minimum is 4 V Maximum voltage Absolute maximum is 6 V Nominal Load Power lt 1 0 W Typical power is 0 85 mVV with digital output enabled ONLY 5 2 Hirose 50 Pin Connector In the Tau cameras simplest form no accessories attached one connector provides the electrical interface This connector is a 50 pin Hirose board to board style connector per Hirose Part Number DF12 50DS 0 5V 86 Hirose offers a variety of mating connectors including their SFM L SMT and SFSD style products The primary Tau connector at the rear of the camera is identified in the figure below Hirose connector See Figure 5 2 Figure 5 1 50 Pin Hirose Connector Interface DF12 50DS 0 5V 86 TAU 0035 00 10 version 100 April 2009 5 1 5 Overview of the Electrical Interface Tau User s Manual Table 5 2 below identifies the function of each pin on the standard surface mount mating connector Hirose DF12 50DS 0 5V 86 Table 5 2 50 pin Hirose Connector Interface of the Tau Camera Signal Name Signal Definition Pine Signal Name Signal Definition EE Serial cornmuhicauon Primary serial communication HSe3e TX transmit data output 57600 D RS232 RX y baud receive data input 57600 baud 5 17 6 18 27 37 DGND Ground 28 38
18. 1 1 0 Module SSS UD TL M A 1 Appendix B Serial Communication Technical Details B 1 Serial Communications Primary Interface 8 8 B 1 B 2 Serial Communications Protocol 4 B 1 ES LE D V o maq B 2 BA FUNCTION BLE esse tendus icon B 3 B 5 Example of the format of a serial message B 10 B 6 Description of serial commands 4 B 1 1 B Spare Serial Communications Channel B 12 Analog Video Interface B 12 SPD ee ND WE Ei cr b Pid B 13 Appendix G Mechanical IDD Reference Tau Camera Core Interface Description Document 5mm 19mm C 3 Tau Camera Core Interface Description Document 25mm C 4 Tau Camera Core Interface Description Document 35mm C 5 Tau Camera Core Interface Description Document G mm C 6 TAU 0035 00 10 version 100 1 Introduction The Tau is a long wavelength 8 14 microns uncooled microbolometer camera designed for infrared imaging applications that demand absolute minimum size weight and power consumption It is available with multiple different lens focal length options as well as a No Lens option intended for customers who mount their own lens and perform ancill
19. 2X0 4 6H V 157 COLUMN 0 FPA ACTIVE AREA COLUMN 324 NEAR AND FAR SIDES 100 320x240 MINOR DIAMETER 2 54 yo 020 B Alc 1 49 5 44 45 37 85 51 65 42 OPTICAL E A 537 L 13 64 T 100 12 54 2X M2X0 4 6H Y 157 MINOR DIAMETER 020 C B M A 30 kir 010 C Tau Camera Core Interface Description Document 35mm Sheet 1 TAU 0035 00 10 version 100 April 2009 C 5 Appendix C Mechanical IDD Reference Tau User s Manual NOTES UNLESS OTHERWISE SPECIFIED ABE 1 INDICATED DIMENSIONS ARE FOR AN ARRAY SIZE OF 320x256 POSITIONAL 88 540 5 d TOLERANCES ALSO APPLY FOR 160x120 ARRAY SIZE o PA 2 CONNECTOR INTERFACE HIROSE 50 PIN DF12 50DS 0 5V 86 MATING CONNECTOR P N DF12 5 0 50DP 0 5V 86 FOR PIN OUT DESIGNATIONS SEE TAU CAMERA USERS GUIDE 2 35 02 637 159 840 51 16 18 3 827 ee _ PIN I i 21 01 13 64 2X 459 PIN 49 2X M1 6X0 35 6H ROW 256 ROW 256 290 COLUMN 0 COLUMN 324 7 37 22 2520 Pla 010 A 6 401 FPA ACTIVE i AREA 320x240 lola lOc 48 01 d 558 ENTRANCE 1 14 17 danan 1 308 1 75 M OPTICAL il 241 33 22
20. 3 to indicate the receipt of the previous incoming message Table B 3 Status Byte Definition Status Byte me command configuration B 2 April 2009 TAU 0035 00 10 version 100 Tau User s Manual Appendix B Serial Communication Technical Details B 4 Function Byte e The list of valid commands that can be set in the Function Byte is shown in Table B 4 e For all reply messages the camera will echo back the Function Byte of the previous incoming message e For all commands in which the byte count is listed in Table B 4 as either O or some non zero value the camera will change the value of the specified parameter according to the incoming data bytes if there are any i e the camera shall set the parameter or it will reply with the current value of the parameter if the incoming message contains no data bytes i e the camera shall get the parameter TAU 0035 00 10 version 100 April 2009 B 3 Tau User s Manual E d o a E 9 c t o F c E d 9 E E D Q E 2 o m E m o Q Q lt sulge Soup ZHOE JO JSQUNN B idea SUE E zHOg Jo Jaquiny d DUU 185 943 9nguuo13ne usemgaq ul aya ses pue 5189 GOIHId 344 dOXO 19313S 300W 044 HOXO Suiyoyms ou jenuey OOOXO Alug uteg YBIH 2000 0 epouu o 3u02 eBue oiuugu p aya 5295 pue 5729 JdOIN NIE 15310438 SNLVLS 90x0 UOISJ8A JOUIWI M 4 9 se
21. 55mVV f On C otf TAU 0035 00 10 version 100 April 2009 3 17 3 Basic Operation of the Tau and GUI Tau User s Manual 3 10 Digital Video Tab Tau offers a LVDS interface digital output that can be configured in four modes Changing these modes will have no effect on the analog NTSC or PAL signal In order to access the digital output you must use an advanced interface as described in Chapter 4 Tau Digital Data Channel See the Tau Electrical Interface Control Document 102 P5220 4 1 for information on how to access digital video for LVDS BT 656 and CMOS 1 Select Video 2 Select Digital Video 2 Tau Camera Controller Tt File View Camera Tools Help 41 2 Status Camera Type Tau 80 x 60 A Camera Digitial Output Host based AGC Parameters C ott C 14 Bit Filtered Auto adjust Display Dynamic Range C Sp 14 Bit Raw Use Maximum Dynamic Range AGC in camera AGC in host Connected MSCOMM Ready Part 500 0380 03 FPA Temp 22 0 FPA Size 80x60 Figure 3 8 FLIR Camera Controller Digital Video Tab The settings that affect the digital data stream are described below Off The digital data stream coming from the Tau camera is turned off 8 bit Data from the 320x240 NTSC or 320x206 PAL video pixels is provided after application of the current Automatic Gain Control AGC and Dynamic Detail Enhancement DDE The 8 bit data is essentially a digital version of the same data provided on t
22. 9 C 3 Tau User s Manual Appendix C Mechanical IDD Reference NOTES UNLESS OTHERWISE SPECIFIED 1 INDICATED DIMENSIONS ARE FOR AN ARRAY SIZE OF 320x256 POSITIONAL D 36 02 TOLERANCES ALSO APPLY FOR 160x120 ARRAY SIZE 159 840 5 2 CONNECTOR INTERFACE HIROSE 50 PIN DF12 50DS 0 5V 86 MATING e CONNECTOR P N DF12 5 0 50DP 0 5V 86 FOR PIN OUT DESIGNATIONS SEE TAU CAMERA USERS GUIDE My 3 INDICATED ALLOWABLE TRAVEL FOR FOCUS m 1 23 02 31 140 5 VAN 1 75 M ned HP 44 45 597 lle PIN 1 1 09 L 13 64 ROW 256 27 69 290 COLUMN 0 2X 450 2X M1 6X0 35 H 7 37 MINOR DIAMETER id 020 A BM C PIN 50 e 010 A ROW 256 COLUMN 324 ee 558 1 75 V FPA ACTIVE 43 98 70 1 85 NAME 1 50 44 45 g AREA 320x240 JE OPTICAL 24 1 46 90 i 38 014 A B C EN RANCE m ON PUPIL 1 308 750 11 37 iL 19 05 3 OPTICAL amp 2x 45 4 PIN 2 C 7 ROVV 0 303 3189 LI 2X M2X0 4 6H Y 157 7 69 1 50 ROW 0 8 100 NEAR AND FAR SIDES 38 COLUMN 0 FPA ACTIVE AREA MINOR DIAMETER NI i 096 320x240 o 020 B A C 2 45 1 75 Ol o14 A BIC 0 01018 T Ta 1 49 37 85 D 1 693 4 OPTICAL E
23. A E e A 1 I Revert Flip the image horizontally FFC Pan amp Zoom m FFC Warning eo Frames Unzoom 49 Zoom 2x C Zoom 4x Video y Pan og AGC T RUR paro sara d H 17 mid 163 Value 1 63 fi Video Color Video On Off x Color Monochrome x x On C off x gt Connected MSCOMM Ready Part 500 0380 03 FPA Temp 22 0 FPA Size 80x60 Figure 3 6 FLIR Camera Controller Analog Video Tab 3 14 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI Image Orientation Mode Two Image Orientation mode selections are provided Select one or both to change the orientation of the video image Invert Revert functions will be supported in July 2009 Invert The normal image is flipped vertically The Orientation pixel on the upper left corner of the detector array Invert Flip the image vertically is displayed on the lower left corner of the video Revert Flip the image horizontally display in Invert mode Invert is used when mounting the camera upside down Revert The normal image is flipped horizontally The pixel on the upper right corner of the detector array is displayed on the upper left corner of the video display in Revert mode Revert mode produces a mirror image of Normal mode use for applications where the camera Is imaged through a fold mirror Note Any time the image orientation mode is changed
24. AGC algorithm is selected Each of their settings is value I described above as they pertain to the particular Algorithm ITT vue 100 0 255 Max 5 0 255 Gain TAU 0035 00 10 version 100 April 2009 3 21 3 Basic Operation of the Tau and GUI Tau User s Manual 3 12 ROI Tab The Tau camera allows the user to set a Region of Interest ROI or a rectangle of pixels on the sensor array that the AGC algorithm will use for its calculations The ROI can be set for either the entire frame size 0 0 320 256 or some smaller portion as shown below The ROL tab shown in Figure 3 10 provides both a Window Editor and text entry coordinates to control the size and location of the Region of Interest ROI 1 Select AGC tab 2 Select ROI Window editor Tau Camera Controller Tx File View Camera Tools Help FLIR AGC AGC ROI Coordinate values left top F se right bottom Dos be Cartesian Coordinates Set Connected MSCOMM Ready Part 500 0380 03 FPA Temp 20 6 FPA Size 80x60 Figure 3 10 FLIR Camera Controller ROI Tab Window Editor Use the mouse to drag the green ROI rectangle to any location on the FPA The size of the RO rectangle fin pixels is displayed To change the size of the ROI rectangle drag one of the corner or side bubbles Window editor drag the circles to resize drag the center to move AGC ROI Coordinate Values The settings use AGC ROI Coordi
25. J Q PUD 190 Y JI epour UIOOZ UI SI ET UIP ou JI JOY Wooz ou JO spour ewou UL SI amp 1oureo JI TON 90 v q T TA POUINIAI JON ay 0 SI junoo o1 q PUD 190 oq UYM S9JEUIPIOOD 815 pue s sn NEI SPOUI UIOOZ pue ewou Ul DOV 1S9J9JUI yo UOI OU 5198 pue SJON OOO 01 O s eBueg oe 9 puu9 189 Joy ne dq q 404 818 ne qe q ayy sayioado 99g Jo3euiuuoue JOJBJSUWINN GGE L 9jelpauJuil O Jay L 01 O seg xeu sea g eqed ai quauunBuy nIBA DOV 841 5188 pue 5189 quno9 e3 g uondiuosag Tau User s Manual sapog uondung 2225 t g lqe1 Oy DIV T3A31 T VZL3V 1d dal ila 99V B x u apog uonounJ B 7 April 2009 TAU 0035 00 10 version 100 Tau User s Manual Appendix B Serial Communication Technical Details cc bunus uelpua Big SI eJauJeo ayy se aq 03 peau So ayy UEIPUS 7575 om SI WUSIS S 3s0y aya yy uaquunu yed ayy suiequoo suods ki HVd VH3IANO 1 son omw un 03 O s abuey ee 0709 9 sag q sHo quiodpiw 841 5388 pue s49 INIOdAIN LI UD G p sea dol 2 2 Song 197 LO sex ig po wonog OI ro do 08 yer u o0z Xt TVd 7090 VIA ICH 99v 09 wonog 08451 09 dor 08 WoT nmm W00Z Xp SLN t090 4 SZL Wonog D9T JUSTA 821 dor 091 WoT WI00Z X7 IVd t090 VIA OT Wonog 091 14914 OTI d017091 WoT W00Z XZ
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27. PO Module To frame grabber board _ gt Step 2 Connect the parallel data cable to the mating connector on the SIPO module Connect the other end to the frame grabber board installed in your PC Note The parallel data cable is specific to a particular frame grabber Contact the manufacturer of the frame grabber to make sure you have the correct cable Step 3 Follow instructions included with the frame grabber for selecting the camera configuration file included with the SIPO module Step 4 Reapply power to the Interface Module This will power up both the Tau camera and the SIPO module and digital data will begin streaming Step 5 f desired change the digital data mode using the FLIR Camera Controller software in the Digital Video tab 4 2 April 2009 TAU 0035 00 10 version 100 Overview of the Electrical Interface 5 1 Input Power The Tau camera operates from DC power per the specifications given below lt is common in simple operational scenarios to use an inexpensive wall powered adapter This type of adapter is what IS included with the Accessory Kit The connector pin out tables indicate where power IS to be applied PWR IN and GND pins The camera operating in a steady state condition consumes less than 1W of power During start up or when the shutter is operating for the camera s periodic calibration peak power levels of 5VV sustained for less than one second are typical Caution Reversing the polarity
28. a flat field correction takes place Pan amp Zoom Zoom The Tau camera has a built in 2X and 4X digital zoom capability The Zoom checkboxes are used to Select to turn on off the camera zoom With the enter offsets Unzoom box checked the Tau camera displays the full sensor array image NTSC Pan amp Zoom 320x240 pixels or PAL 320x256 pixels kern Darien m Click to When the Zoom 2x box is checked a smaller center central region of the sensor array is mapped Par on to the video output creating the zoom effect For NTSC and PAL video formats in zoom mode 160x120 and 160x128 pixels i Fine EI Tilt respectively are mapped to the analog video 2 slider output VVhen the Zoom 4x box is checked 80x60 NTSC and 80x64 PAL pixels Emm Pan respectively are mapped to the analog video slider output This reduced region of the array is called the zoomed array region Pan Zoom Pan When in either zoomed mode you can move the zoomed array region within the full array area This digitally simulates panning and tilting Panning and tilting are defined as moving the camera image in the horizontal and vertical axes respectively You can adjust the vertical and horizontal sliders to move the zoomed array region When the fine box is not checked the slider controls move the zoomed image from edge to edge of the full sized array Checking the fine box increases the sensitivi
29. ary Alternate Lens Calibration See Software accessory SDK for Windows amp Embedded on page 2 3 5 mm 9 mm 13 mm 19 mm 43 HFOV 48 HFOV 34 HFOV 24 HFOV Figure 1 1 Tau Cameras The camera provides power in video out capability which means that one need only apply input voltage to receive analog video For those applications demanding more advanced control the Tau camera includes a serial interface RS 232 for transmitting camera commands and receiving status In more demanding situations the Tau camera also provides 14 bit and 8 bit digital video options including CMOS BI 656 and the Legacy Photon LVDS See Tau Digital Data Channel on page 4 1 TAU 0035 00 10 version 100 April 2009 1 1 1 lntroduction Tau User s Manual 1 1 Tau Specifications e 320 H x 256 V or 160 H x 120 V uncooled microbolometer sensor array 25 x 25 micron pixels e Spectral band 7 5 13 5um NEdT Performance 50mK at f 1 0 e Input voltage range 4 0 6 0 VDC e Power Consumption 1 0 Watts nominal at room temperature using 5V input e Time to image e seconds e Operating Temperature Range 40 C to 80 C e Weight 0 grams with either the 5 S 13 or 19mm lens option Note The Tau camera is an export controlled item In order to increase the Camera s exportability a Slov Video version of Tau is available The frame rate is reduced to approximately 9 Hz This change allows Tau to be expor
30. as FLIR Camera Controller nstallable Files on your desktop for download The file Tau GUI zip will be saved Step Open the directory where you saved the Zip Step 6 Double click the Tua GUl zip file The WinZip utility should open the zip file and show the compressed contents Tau GUL2ip Step 7 Save the files shown via the WinZip Extract command This method is important as it preserves the necessary installation paths for the install utility It is not recommended that you drag and drop the contents from the WinZip utility Extract to a directory of your choice Step 8 Navigate to the directory where you R z ak e Cj _ Searc r extracted the contents Inside that K r Q dw ror E folder you will find a directory which Address Z cut v ge should contain the files shown Double click the FLIR Camera Controller setup exe file to begin installation Photon SDK au Camera Controller m TAU 0035 00 10 version 100 April 2009 3 3 3 Basic Operation of the Tau and GUI Tau User s Manual Step 9 Click Next gt gt at the Setup Welcome screen When the installer finishes loading Follow the prompts Sg This program will install Tau Camera Well Controller onto this computer o continue installing Tau Camera Controller click Step 10 Select Destination Folder if different than the default Then click Install y Select the folder you want to insta
31. ates capture of the LVDS serial digital data channel from the Tau camera and mirrors it in a parallel format used with computer based capture boards These boards require third party software not offered or formally supported by FLIR Refer to Chapter 4 for details on known compatible frame grabbers and interface cables as well as setup files for the two we have verified 2 3 Software accessory SDK for Windows amp Embedded The Tau Software Developer s Kit SDK Part Number 1 10 0102 46 enables Camera control using one of several programming languages including VB6 VB net C and C MFC Code examples are included to help illustrate how some of the camera control functions can be used The FLIR Camera Controller is an example of an application created using the Photon SDK Refer to http www corebyindigo com service softwareupdates cfm TAU 0035 00 10 version 100 April 2009 2 3 2 Optional Tau Accessories Tau User s Manual CORE BY 2 4 April 2009 TAU 0035 00 10 version 100 3 Basic Operation of the Tau and GUI 3 1 Operation of the Tau camera using the Photon development kit Backward compatibility with existing Photon equipment may be the simplest way to connect to your Tau camera to provide power and obtain video t also facilitates serial communication for more advanced camera command and control via the free downloadable FLIR Camera Controller In this first section we will discuss simply applyin
32. ation Non Uniformity Correction or NUG terms This mode is most useful for external signal processing and or analysis of the camera output The digital channel can also be configured to provide 8 bit data after application of video processing algorithms e g Automatic AGC mode white hot black hot polarity image orientation DDE filtered and on screen symbols The 8 bit data is essentially a digital version of the video stream provided on the analog video channel and is therefore more appropriate than the 14 bit data for interfacing to a digital display The digital data channel employs serial low voltage differential signaling LVDS The channel consists of three signal lines a clock a composite sync frame sync and data valid and serial data This is a modern high speed interface employing a twisted pair current loop architecture National Semiconductor offers a good introduction and overview in the following document http 77www national com appinfo lvds files lvds_ch1 pdf A serial in parallel out SIPO module is available from FLIR for converting the serial data to 14 bit parallel LVDS output plus frame sync line sync and pixel clock The parallel data can be captured using a frame grabber board installed in a PC One frame grabber possibility is the National Instruments IMAQ PCI 1 422 board using digital interface cable part number 308 001 3 00 Another frame grabber option is the Bit Flow RoadRunner Model 14 M board using
33. aya SJ S pue 5189 VI 130 dial 933 L 81 DODOXO UIEH 4000 0 al pue 89 vOOOXO 240 02 6000 0 LJ0 09 eidas eoquoJ 9000 0 LMOQUOJ GOOOXO WJOJSUEJ4 qisu qul JO N oepi Dojeue aya 5188 pue 5189 INT O3GIA OLXO MOdOI9 70 0 0 MOqUIEH OOOXO UOISN4 ZODOXO 104 49 4 LOOOXO 104 OOOOXO xau sea g ezeg au W007 a dseH pue xg Ag eBaeuui aya suuooz wooz Burmas afp aya sazaaJj m 2 Bulnes epouu eubis o piA ayy S3 S pue 5189 3 JOXO IL Q yo sdess ul due eyaq e dsay sapog uondUng 2225 G lqEL xeu apog uomounJ Tau User s Manual April 2009 TAU 0035 00 10 version 100 009 o3 O s eBueg gqer sauuguj ul au L 03 O Sang su ddeu Du 18 14 aya uoJ q sauJ8JJ Jo Jaquunu ul 021 qu uluuuui 944 aya ejdsip 03 au ANIL NHVAA 933 JEXO 2212 Big GOQOXO due Buipus9se LN EnuBul 03 epouu USD aya HO uuayed 1581 pue pjal 38 J aya 38s pue suJJ83 uom98JJ402 au HO UN uuegmed NH3LIVd 1S983L GcXQ 1589 ay3 uo Buluun3 840J8g pouu uJagged 3583 aya 5295 pue s38c ONAS IVNH3LX3 m HOSN3S dw EN svig SS3NLHOIHE 8 LXO qu uu duuo3 S 3 anjen 5810 ssauquBiug 444 X0 01 DODOXO anjen ssauqyBidq ENUBUI aya 5195 pue 5129 GS3N LHSIHS GLXQ 01 3se43uo9 jenuew ayy sa
34. chnical Details B 9 Digital Data Channels The camera provides tvvo digital ports e Port 1 consists of the signals SD CLK SD FSYNC and SD DATA e Port 2 consists of the signal LVDS VIDD LVDS VID 1 and LVDS VID2 Note 14 bit and 8 bit timing and format are identical except only 8 bits LSBs are available in 8 bit mode Port 2 is currently undefined do not connect to these signals All signals in the digital data interface employ low voltage differential signaling LVDS The clock rate of DATA CLK is 73 636 MHz The timing of the digital data interface is shown in Figure B 1 and Figure B 3 The format of the digital output shall be is in Figure B 2 Word Index fe n rr w m _sSM Bit Index 2 1 2 3 4 5 s 8 9 H llill lE Hil lo 1 3 3 4 5 17 8 9 Po 1 BB 14 15 Data Clk Data Sync Data Ott F frame sync logic high on the word starting the frame logic low otherwise L line sync logic high during valid pixel data logic low otherwise Figure B 1 Digital Data Timing TAU 0035 00 10 version 100 April 2009 B 13 Appendix B Serial Communication Technical Details Tau User s Manual Extemal Frame sync not requlred Idle time Idle time Frame time Idle time 000 Pixe MM Line time Figure B 2 Digital Data Format 1 spe SD DATA amp SD FSYNC Normal Mode Toc 1to5ns Inverted Mode SD DATA amp SD FSYNC Toc 1to5ns Fi
35. digital interface cable part number 308 001 6 00 03 Both of these computer based frame grabber boards require third party software not offered or supported by FLIR FLIR supplies camera setup files for both the IMAQ and Bit Flow frame grabber boards but FLIR does not formally support their use nor do we claim or guarantee that these setup files will be suitable for any particular use or application Refer to http www corebyindigo com service softwareupdates cfm TAU 0035 00 10 version 100 April 2009 4 1 4 Tau Digital Data Channel Tau User s Manual 4 1 Using the Digital Data Channel Note The following instructions assume that you have purchased the optional serial to parallel out SIPO accessory module with parallel data cable and Photon Replicator Board If you are using the Ethernet module follow the instructions provided with that device If you are using custom cabling and or interface electronics contact FLIR Customer Support at 605 964 9797 if you need additional assistance Follow the steps in paragraph 3 1 Operation of the Tau camera using the Photon development kit on page 3 1 for basic operation of the Tau camera After verifying that the camera is operating properly disconnect power from the 1 0 Module Step 1 Connect the SIPO accessory module directly to the three row DB 15 connector on the Interface Module labeled DIGITAL DATA as shown below cable is NOT required I O Module To camera SI
36. ean gray scale mid point Max Gain AGC gain and Plateau Value are enabled Algorithm e Automatic Auto Bright Q Linear Histogram Logarithmic The histogram equalization used in the automatic mode scales the 14 bit to 8 bit transfer function based on the number of pixels in a bin The more pixels in a bin the higher the gain But the Plateau value is the pixels bin limit when the transfer function is maximized Normally 250 is the plateau value for imaging cameras when more contrast is desired This algorithm analyzes the scene content in real time and redistributes the dynamic range of the scene The goal of this redistribution is that every one of the 128 bins of display dynamic range has an equal number of pixels in it This method tends to give better scene contrast under conditions where the scene statistics are bimodal for example a hot object imaged in a cold background It should be noted that the heat range in a given scene is not divided evenly across the grey levels sent to be displayed Instead the AGC algorithm analyzes the scene and distributes the dynamic range to best preserve statistical scene content populated regions of the histogram and display a redistributed scene representation Once Bright In this mode the brightness level is calculated as the mean of the current scene at the execution of the command when the Once Bright button is selected The scene is mapped to the analog video us
37. ed under authority of the GNU public license Information about these fonts and the GNU public license can be found at https 7 www redhat com promo fonts This product is protected by patents design patents patents pending or design patents pending If you have questions that are not covered in this manual or need service contact FLIR CVS Customer Support at 805 964 9797 for additional information prior to returning a camera This documentation is subject to change without notice This document is controlled to FLIR Technology Level EAR 1 The information contained in this document is proprietary and or restricted and pertains to a dual use product controlled for export by the Export Administration Regulations EAR This document and data disclosed herein or herewith is not to be reproduced used or disclosed in whole or in part to anyone without the written permission of FLIR Systems Inc Diversion contrary to US law is prohibited US Department of Commerce authorization is not required prior to export or transfer to foreign persons parties or uses otherwise prohibited Table of Contents 1 Introduction 1 1 1 2 1 2 Available Tau Configurations 1 3 1 3 Unpacking Your Tau Camera n 1 4 2 Optional Tau Accessories 2 1 Tau Video Power Com VPC Accessory
38. electing Connect from the Camera mepu f E Tau Camera Controller File view Camera Tools Help P a 1 Disconnect Status Step 6 f you want the FLIR Camera Controller to m automatically connect when it is started select Settings from the Tools menu then File View Camera Tools Help check the Automatically connect on Mei Clear Log startup box in the Settings Framework tab Connection Additional settings include camera connection polling status logging and FLIR Veneer style z Automatically connect on startup _ Poll camera connection health every 5000 ms Show 500 Lines in the logger Appearance The application must be restarted for this change to take effect Z Use the FLIR Veneer visual style Ca TAU 0035 00 10 version 100 April 2009 3 7 3 Basic Operation of the Tau and GUI Tau User s Manual 3 6 Troubleshooting the FLIR Camera Controller If the FLIR Camera Controller does not link with xj the camera you may see the popup shown at the right which indicates that the GUl has not been able to communicate with the Tau Camera y Camera product id is not supported Verify the items in the following checklist Is the camera properly cabled to the host PC Verify that you selected the proper port if it was not detected automatically Clicking in the lower righ
39. eze the Operating Mode frame imaged when Frozen is selected Live video will cease e PIS and the frozen frame will persist To return the camera to live video select Real Time video mode Save Settings After using the FLIR Camera Controller to change camera modes and settings to your desired values use the Save Settings save Settings button to store your current selections as new power up defaults The next time the camera is powered the Tau camera will remember these saved settings If you do not click Save Settings the changes you make via the FLIR Camera Controller will be valid only for the current session Cycling power to the camera will revert to the previously saved settings I Factory Defaults The Factory Defaults button restores the camera s settings to the initial values specified by the manufacturer Factory Defaults If you want the factory default settings to become the power up defaults first click the Factory Defaults button then click the Save Settings button Reset Camera The Reset Camera button restarts the camera software and is nearly identical to cycling power Reset Camera a 3 12 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI Test Pattern A Test Pattern mode is provided to verify Test Pattern camera electronics off C Ramp Off No test pattern is provided in this mode This is the normal mode for viewing thermal imagery
40. ferent fields of view and the Slow Video or 9 Hz option for license free exportability Note Contact FLIR CVS Customer Support or your local FLIR sales representative for information on available Tau camera configurations part numbers and ordering information Figure 1 2 Tau Camera as delivered showing 50 pin Hirose Connector and Back Cover TAU 0035 00 10 version 100 April 2009 1 3 1 lntroduction Tau User s Manual 1 3 Unpacking Your Tau Camera The Tau camera is typically delivered as a standalone product no documentation is included Documentation and utilities such as the latest version of this User s Manual the FLIR Camera Controller and Mechanical Interface Description Documents are available for download from the www corebyindigo com website Please unpack the camera heeding customary Electrostatic Sensitive Device ESD precautions including static safe work station and proper grounding The Tau camera is packaged in foam to prevent damage during shipping It is also placed in a conductive anti static bag to protect from electrostatic discharge damage Caution Disassembling the camera can cause permanent damage and will void the warranty Operating the camera outside of the specified input voltage range or the specified operating temperature range can cause permanent damage The camera is not sealed Avoid exposure to dust and moisture This camera contains electrostatic discharge sensitive electr
41. g UOISJ8A SJEMYOS 789 NOISIA3H 139 GOXO uoisJ8A JOfeul AAZ4 G p seg UOISJSA JOUlUJ M S g sag UOISJ8A M S L 0 sag aya JO Jaquunu elas aya 5295 pue 5189 TI vOXO a s pouu ynejep ayy 03 38saJ YOS e Spueuluos 1393 VHSINVI ES xeu sea g e1eg ai xeu apog 4 cOOOXO aewoiny LODOXO IENUEN OOOOXO po A 9 4 uon284405 pl l i 98 4 aya SJ8S pue 5189 JO sBumes pue sngeas asanbay sapo uonaung eges G 91081 TAU 0035 00 10 version 100 April 2009 B 4 3Iq iz 9000 0 paquanu 4q GOOOXO paganu 4 8 000 0 pasayyun 1 7 GOQOXO e5IP 2OOOXO j uuey EN IP ayy s3es pue s49 JdOIN 1 41 IVLIDIO c LXO gqep 410 8 LODOXO 1194 1 24 1 2000 0 Lan LODOXO 348484 aya Aq payoayeun m q D e r lt o o d D 2 2 Q E e 1 m 2 a Q Q lt euuJON SI jevbiq uonequauo o piA Bojeue aya S3 S pue 5189 NOLLVIN3IHO 030M L LXO SWE 828844 LOOOXO eum B H ODDOXO 2 plug 199 oMeuoqne S m OL O0 yo sdegs ul dura oe 2 PUI s s 09 p sn eunqeJeduue
42. g power and obtaining video output not serial communication Remove the lens cap Remember to replace the lens cap when the camera is not in use to prevent accidental scratching and dust contamination Using the Development Kits Interface Cable and I O Module plug one end of the Interface Cable into the mating connector on the back of the camera Connect the other end of the Interface Cable to the mating connector on the I O Module labeled CAMERA I O Module 333 0018 00 To video monitor To camera To power supply 206 0001 20 Attach one end of a standard BNC cable to the video port labeled VIDEO on the Module Attach the other end to a compatible video monitor s composite video input If your monitor has an RCA input connector a BNC to RCA adapter can be used Plug the power supply into an electrical outlet Insert the circular plug at the other end of the power supply into the power jack labeled POWER on the Module and tighten the locking screw finger tight The camera will take 2 seconds to produce an image after you apply of power You should see an initial splash screen with the FLIR logo displayed and then live infrared long wave imaging video will follow Point the camera in different directions and notice the imagery If the video image appears low in contrast point the camera at a scene with high thermal contrast such as at a person TAU 0035 00 10 version 100 April 2009 3 1 3 Basic Operation of
43. gure B 3 Detailed Digital Data Timing B 14 April 2009 TAU 0035 00 10 version 100 Appendix C Mechanical IDD Reference Due to export restrictions limited data is available at www corebyindigo com additional data can be obtained from your local sales representative or application engineer The following Mechanical Interface Description Documents IDD detail the outline and mounting for the Tau cameras These documents are provided for reference only You should consult your local sales representative or application engineer to obtain current IDD information Also the Tau Thermal Imaging Camera Core Data Sheet available from the website contains important mechanical interface data as well See http www corebyindigo com tau TAU 0035 00 10 version 100 April 2009 C 1 Appendix C Mechanical IDD Reference Tau User s Manual CORE BY 2 April 2009 TAU 0035 00 10 version 100 Tau User s Manual Appendix C Mechanical IDD Reference NOTES UNLESS OTHERWISE SPECIFIED 1 TOLERANCES ALSO APPLY FOR 160x120 ARRAY SIZE 2 CONNECTOR INTERFACE HIROSE 50 PIN DF12 50DS 0 5V 86 MATING CONNECTOR P N DF1215 0 50DP 0 5V 86 FOR PIN OUT DESIGNATIONS
44. he analog video channel 14 bit Filtered Data from 322x256 pixels is provided prior to video processing modes in the 8 bit data described above The 14 bit data is the filtered data to include the Dynamic Detail Enhancement DDE and will appear gray when saving 16 bit TIFF files 14 bit Raw Data from 322x256 pixels is provided prior to all video processing and does not include the Dynamic Detail Enhancement DDE The 14 bit data is the raw data and will also appear gray when saving 16 bit TIFF files Note AGC mode will affect the digital data output if Camera Digital Output mode is set to 8 bit data 3 18 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI 3 11 AGC Tab The AGC tab shown in Figure 3 9 controls the Automatic Gain Control AGC mode or algorithm along with selectable parameters Only one mode can operate at a time and is selected by clicking one of the Algorithm buttons in the upper left portion of the window Parameters for a given mode are contextually made available depending on which mode is selected The Region of Interest ROI for the AGG mode is adjustable as well see paragraph 3 128 1 Select AGC tab 2 Select AGC El Tau Camera Controller File View Camera Tools Help AGE ROL gt Algorithm Linear Parameters i P om 6 Automatic O Contrast 255 Q Once Bright Q Auto Bright Brightness Fax Q Manual 0 Linear Histogram Bright
45. ing a linear transfer function Image contrast can be adjusted by the Contrast slider This is the only user adjustable parameter Upon entry into the once bright mode the currently stored value of contrast is applied i e the povver on defaults or the last saved values Auto Bright In this mode the brightness level is calculated as the mean of the current scene just as in Once Bright mode The difference with Auto Bright is that the values selected for the start and end of the linear transfer function are automatically updated in realtime not only at the start of AGC mode selection The Brightness Bias offsets the displayed image in intensity Upon entry into the auto bright mode the currently stored values of Contrast and Brightness Bias are applied i e the power on defaults or the last saved values Manual In this mode image Contrast gain and Brightness level are entered completely manually via the sliders The scene is mapped using a linear transfer function Upon entry into the manual mode currently stored values of brightness and contrast are applied i e the power on defaults or the last saved values Linear Histogram Image contrast and brightness gain and level optimized automatically based upon scene statistics using a linear transfer function Controls for the ITT Mean sets grey scale midpoint and Max Gain AGC gain are adjustable by entering the value in the Automatic Parameters section The Linear Histogram algor
46. ing of 17 turns off the Dynamic DDE A Dynamic DDE setting between 18 and 39 sets the imaging mode DDE Gain between 16 and 40 Dynamic DDE setting of 40 or greater provides maximum enhancement but image artifacts may also be enhanced giving an image with some fixed pattern noise B 6 5 Digital data The DIGITAL OUTPUT MODE command allows the users to select one of the following digital data options e 14 bit data e G bit data e digital off e 14 bit unfiltered e O bit inverted e 14 bit inverted e 14 bit inverted unfiltered B 7 Spare Serial Communications Channel The camera provides a spare serial communications port consisting of the signals RX2 TX2 and GND Note This serial communications channel is intended for communication with RS 232 controllable systems B 8 Analog Video Interface The camera provides an analog video on the signals named VIDEO LO and VIDEO HI When the VIDEO LO signal is tied to ground the analog video signal meets the timing and voltage requirements of either NTSC or PAL protocol The FL R Camera Controller software allows you to select between NTSC or PAL video output formats The NTSC analog video format is the default in all cameras The analog video signal is intended to drive a load Use of coaxial cable with 75 ohm characteristic impedance is strongly suggested B 12 April 2009 TAU 0035 00 10 version 100 Tau User s Manual Appendix B Serial Communication Te
47. ithm uses scene statistics to set a global gain and offset contrast and April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI brightness for the image Upon entry into the linear histogram mode the currently stored values are applied i e the power on defaults or the last saved values Logarithmic The Logarithmic AGC algorithm operates identically to the Linear Histogram algorithm discussed above except that the transfer function applied is logarithmic as opposed to linear Note In Manual mode and Once Bright mode the brightness setting must be updated as the camera temperature changes To avoid this issue it is recommended to use Automatic or Auto Bright modes when possible Also AGC mode will only affect the digital data output if the Digital Video output mode is set to 8 bit data The 14 bit digital data bypasses the AGC sections of digital processing Linear Parameters Used for fine tuning the Auto Bright Once Bright and Manual modes these settings are contextually active b Contrast NI depending on which Algorithm is selected Each of their settings is described above Linear Parameters Brghness Brightness Bias HEE pu 256 Fine Automatic Parameters Used for fine Automatic Parameters tuning the Automatic Linear Histogram and Logarithmic modes these settings are contextually active depending on Plaeau 10 10 1000 which
48. ll this program to Destinati C Program Files FLIR Systems Tau otep 11 Step 12 Once installation is complete click Finish s Setup has sucessfully installed Tau 1 Camera Controller You can now run Tau Camera Controller Rinstall v2 0 1 Build 44 3 29 05 3 4 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI Step 13 Installation is complete You can start the application or create a shortcut to the application via the Start gt Programs gt Tau gt FLIR Camera Controller path ep Tau o Tau Camera Controller V Microsoft Word All Programs b im pa Log Off 0 Turn Off Computer sg Start M C WriteConnections A PleoraWelcome 5 TAU 0035 00 10 version 100 April 2009 3 5 3 Basic Operation of the Tau and GUI Tau User s Manual 3 5 Connecting the Tau to a PC via the 1 0 Module Step 1 Follow the steps shown in paragraph 3 1 Operation of the Tau camera using the Photon development kit on page 3 1 for basic operation of the camera Power down after verifying that the camera is producing an image Step 2 You may have done this operation in paragraph 3 1 If not connect one end of a standard serial cable user must provide as this is not included with the Tau camera or the Development Kit to the 9 pin female connector on the 1 0 module labeled HS 232 Do not use a cross over serial cable otep 3
49. n a high dynamic range scene the gain will be higher J Au LES than in a low dynamic range scene This allows faint Value 1 63 38 details to be visible in high dynamic range scenes without increasing temporal and fixed pattern noise in low dynamic range scenes The DDE filter operates independently from the AGC and will enhance edges without effecting brightness or contrast The valid range of Dynamic DDE setting is from 1 to 63 with 17 being the neutral setting where the filter has no effect Settings below 17 will smooth the image reducing the appearance of sharp edges Higher DDE settings will enhance all image non uniformities resulting in a very detailed but grainy picture especially in high dynamic range scenes Typical factory settings are between 25 and 30 Settings from 18 to 39 are normal imaging modes where the edge enhancement can be tuned for the scene Use the slider to adjust the setting or select the text field and type in the desired setting Note In 14 bit Raw mode selecting the DDE mode will not affect the digital data output Video Color Select color or monochrome for the VERS analog video output f monochrome is selected then the analog bandvvidth is increased to provide better spacial resolution in the horizontal direction Color Monochrome Video On Off This feature allows you to turn off Video On Off the analog video output which will result in some power savings approximately
50. nalog video output signal Specific video characteristics are given in the table below Table 5 3 Video parameters displayed detector samples 320 H x 240 V 320 H x 256 V Note Analog output is always NTSC PAL compatible Changes for reduced frame rate and reduced size array do not effect analog video format 5 4 Command and Control Channel Remote control of the Tau camera is provided via a RS 232 serial interface consisting of signals named RX TX and GND using 3 3 volt signal levels Chapter 3 provides information regarding remote control using the FLIR Camera Controller Appendix B describes the serial communications protocol in detail for the Tau camera 9 5 Digital Data Channel Tau provides a digital channel with real time serialized digital video The camera outputs either O bit or 14 bit data using the SD_CLK 50 FSYNC and SD signals Conversion of the digital data to a parallel format for data acquisition requires a serial to parallel converter accessory or an Ethernet Module which is also an accessory Information regarding the digital data interface is provided in Chapter 4 and Appendix B TAU 0035 00 10 version 100 April 2009 5 3 5 Overview of the Electrical Interface Tau User s Manual CORE BY 5 4 April 2009 TAU 0035 00 10 version 100 Appendix A Pin out Definitions A 1 I O Module 333 0018 00 e Camera Connector See Chapter 5 e Power Connector Mates to Switchcraf
51. nate Values an X Y coordinate system with 0 0 being at the top left hand corner of the sensor array and specify two ett hs fos corners of the ROI rectangle The upper two numbers right bottom marked left top are the pixel coordinates of the upper a a left corner of the ROI rectangle The lower two Cartesian Coordinates numbers marked right bottom define the lower right corner of the ROI rectangle In the example at the right the ROI is specified as a ROI rectangle 66x65 pixels located 150 pixels from the left side and 216 pixels from the top of the FPA 3 22 April 2009 TAU 0035 00 10 version 100 4 Tau Digital Data Channel Tau provides a digital data channel that outputs the camera s data in a digital format This channel can be used in conjunction with commercially available digital frame grabbers digital displays or custom receive electronics It can also be used with FLIH s Ethernet Adapter For Tau users with embedded or specialty applications that require custom control software a software Developer s Kit SDK is available to support your development efforts The SDK accessory is described in the Accessories portion of this User s Manual Using the Digital Data Channel is an advanced regime that should only be attempted by qualified customers The Appendices contain details for the Digital Data Channel The digital data channel can be configured to output 14 bit data after application of calibr
52. ness Bias EEEEEEEEEEN PH Q Logarithmic 256 256 Fine Automatic Parameters Plaeau Val n no 10 1000 ITT Mean les 0 255 Max F J 0 255 Gain Connected MSCOMM Ready Part 500 0380 03 FPA Temp 20 5 FPA Size 80x60 Figure 3 9 FLIR Camera Controller AGG Tab Note FLIR has invested heavily in designing high quality AGC algorithms The default mode Automatic along with the default parameter settings for the Automatic AGC mode have been proven to offer the best image quality for generalized scene imaging Also be aware that you can make AGC adjustments that will configure the Tau camera to produce no image all black or all white Hestoring the Factory Defaults on the Setup Tab will return the camera to its factory default state and likely restore normal camera operation TAU 0035 00 10 version 100 April 2009 3 19 3 Basic Operation of the Tau and GUI Tau User s Manual AGG Modes The Tau provides six AGC algorithms for Image Optimization 3 20 Automatic This is the most sophisticated algorithm and for most imaging situations the best all around choice This factory default along with the default parameter settings should be used in general imaging situations In Automatic image contrast and _ Once Bright brightness are optimized automatically as the scene varies This mode provides an AGC which is based on R a histogram equalization algorithm Controls for the C Manual ITT M
53. onbow1 lronbow2 Sepia Color 1 Colore Ice Fire and Rain Select one of these LU Ts from the pull down menu to view your image displayed using the LUT you choose White Hot Black Hot Color1 Color2 Ice Fire Figure 3 7 Look Up Table Options Simple experimentation with this feature while viewing the video image will give you familiarity Remember that you must click the Save Settings button on the Setup tab to save the LUT settings as default at povver up Note The setting of the Polarity LUT mode will not affect the digital data output 3 16 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI Flat Field Correction FFC The Tau automatically performs flat field corrections see paragraph Flat Field Correction Mode on page 3 FFC Warning 50 11 A green square is displayed on your video monitor as a warning that the FFC is going to take place Use this function to set the number of analog video frames 33ms NTSC 4 ms PAL during which the warning will be displayed The time period specified in frames can range from O to 30 000 frames The factory setting of G frames equates to a two second warning Setting the Warn Time to zero turns off the warning FFC Dynamic Digital Detail Enhancement DDE filter The DDE algorithm sets edge enhancement dynamically DDE proportional to the number of bins occupied in the image histogram I
54. onics and should be handled appropriately 1 4 April 2009 TAU 0035 00 10 version 100 e Optional Tau Accessories 2 1 Tau Video Power Com VPC Accessory The Tau VPC module is the first thing many users will connect their Tau camera and for some customers it may be the only thing they will ever need The VPC provides connection to a host computer for power command control and digital image capture it has a direct connection for analog image output Mini USB MCX coaxial e Figure 2 1 Tau VPC module with Tau camera Connector Type USB mini 5 pin Power over USB nominal draw 180mA at BV peak load at startup 500mA at SV Command communications Rate 5 600 Baud Hot swap protected Windows Service for automatic detector supported through SDK Table 2 1 Miniplug Microplug LER e e af s 5 we n 07 D en permits distinction of Micro A and Micro B Plug Type A connected to Ground Type B not connected 1 Pin 4 of mini USB connector may be not connected connected to GND or used as attachment identification at some portable devices TAU 0035 00 10 version 100 April 2009 2 1 2 Optional Tau Accessories Tau User s Manual 2 2 Backward compatible Photon accessories The following are accessories that offer a development environment or extended features for your lau camera N io 5 6 Figure 2 2 Photon Replicator Kit 1 Cable Tau to I O Module 6
55. s described in paragraph 3 1 Operation of the Tau camera using the Photon development kit on page 3 1 The only additional hardware required for serial communication is a serial cable connected as shown below To PC serial COM port RS232 To Camera Attach one end of a standard RS 232 serial port 8 pin cable to the communications port labeled RS 232 on the I O Module Attach the other end to the serial port on your PC This cable should be a standard RS 232 cable not a cross over configured serial cable 3 2 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI 3 4 Installing the FLIR Camera Controller Step 1 If you have another version of the FLIR Camera Controller loaded on your PC you should uninstall it using the Windows Uninstall utility via the Windows Control Panel before proceeding with this installation This is an important step as camera malfunction is possible if you do not remove any older versions of Tau or Omega Micron A10 software Step 2 Using your favorite WWW browser navigate to the following URL http www corebyindigo com service softwareupdates cfm Step 3 Click the Download FLIR Camera Controller link for the version which supports your Tau Step 4 When the File Download prompt appears choose Save This will save the installable file in the directory of your choice It is recommended that you create a new empty directory such
56. s pue 5729 SVHINOO Y LXO Jeaul GODOXO Jenuew S000X0O quBiuq o3ne SOOOXO quluq 8900 apouu uoneziuundo seu aya s3 s pue 5189 GAL 99V LXO oneuuo3ne OODOXO xeu sea g e3eq ai xeu apog sapo uonaung Steen G lqel Tau User s Manual J3IS8U 2000X0 9 e s LOOOXO OOOOXO apouu ous 3X3 squno3 meu ui dwa LODOXO OL 9 ul dust aungea ou s euJazxa aya sajgesip JO s qeu3 ASIA 243 s 119 UD 92 LG siusseudas LG yo anjen Da s3uno9 Med JO OL X Snisy ul due Vd4 eya 5189 apeJ nuag UO 2000X0 yayuaJyey UO H0 p lqesip yq UBIS aya si AS eull28 0 s a6ueu pile 4440X0 01 IEWID8p gpOc 01 8 Oc 5 PIIEA 3uBiuq ogne ayy ul anjeA seiq ssauquBuq aya 5295 pue 5189 E d o a E 9 c t o F c E d 9 E E D Q E 2 o m E o Q Q lt TAU 0035 00 10 version 100 April 2009 m q D e r lt o o d D 2 2 Q E e 1 m 2 a Q Q lt o urollog oceausra OST dor oce WoT IVd F090 Vd Orc unog OTEIYSTY Orc doL Oce WOT OS LN t090 VdH St TON PUIOU PIE IO Y uiooz v urejuoo SUON Du 395 S 4q 9 puooos pue JOY ewou y urejuoo sajAq 9 JS11J 201 Z SI JUNO 3
57. t 5760 Miniature Power Plug e Video Connector Mates to 75Q BNC twist on plug e Serial Connector Mates to DB9 Male e Digital Data Connector Mates to Three How DB 15 Female Table A 1 1 0 Module Power Connector Pin Out Signal Name Signal Definition zem Table A 2 1 0 Module Video Connector Pin Out Ping Signal Name Signal Definition Sleeve VIDEO HIN analog video return Table A 3 1 0 Module Serial Connector Pin Out RS232 Receive channel RS232 Transmit channel Digital Ground Spare do not connect TAU 0035 00 10 version 100 April 2009 A 1 Appendix A Pin out Definitions Tau User s Manual Table A 4 1 0 Module Digital Data Connector Pin Out Pin Signal Definition 1 Digital data sync LVDS high Digital data 1 output channel LVDS high 3 Digital data output channel LVDS high Digital output channel clock LVDS high Digital data sync LVDS lovv 7 Digital data 1 output channel LVDS lovv Digital data 2 output channel LVDS low Digital output channel clock LVDS low Digital ground input power connected to power connector pin input power return connected to power connector sleeve Spare do not connect 5 14 15 Spare do not connect xi xil gt Ci mi A 2 April 2009 TAU 0035 00 10 version 100 Appendix B Serial Communication Technical Details B 1 Serial Communications Primary Interface The camera is capable of being controlled remotely through an
58. t of the FLIR Camera Controller window on top of the word COM will bring up a dialog box indicating COM port Also try disconnecting and then re connecting the RS 232 serial cable to the PC If the GUI was launched before the serial cable was connected close the GUI connect the serial cable then re launch the GUI Is the port already in use by another application Shut down any other applications that may be using the port Also multiple instances of the FLIR Camera Controller Program can be instantiated using different ports so be sure the camera you are interested in controlling is actually connected to the physical port Is the Tau camera power on Verify that the camera is producing an image on a separate monitor Also at camera power up you can hear two sets of a click click sound separated by about 5 seconds as the internal shutter performs its on power up calibration f you dont hear these sounds it s likely the Tau camera is not being powered correctly If you cannot initiate serial communication with the camera after verifying these items refer to the frequently asked questions FAQ at http www corebyindigo com Tau TauFAGs All cfm or contact FLIR Customer Support at 805 964 9797 3 8 April 2009 TAU 0035 00 10 version 100 Tau User s Manual 3 Basic Operation of the Tau and GUI 3 7 Operation of the FLIR Camera Controller When the FLIR Camera Controller successfully links to the camera you will see the window
59. ted without US export license to most countries Please contact FLIR Inc for additional information e Analog video output NTSC 320x240 30Hz slow video output rate 7 5Hz is available for exportability Or PAL 820x256 25Hz slow video output rate 8 3Hz is available for exportability Note The NTSL analog video format is the default in all cameras The FLIR Camera Controller software allows you to select between NTSC or PAL video output formats and save this setting e Digital video output 8 or 14 bit serial LVDS CMOS BT 656 e Remote camera control RS 232 interface FLIR Camera Controller software available for free download at www corebyindigo com service softwareupdates cfm e 2X Digital Zoom with electronic pan tilt e Dynamic Digital Detail Enhancement DDE Note These specifications are subject to change without notice The latest information concerning specifications accessories camera configurations and other information can be found in the Tau Thermal Imaging Camera Core Data Sheet at http www corebyindigo com products uncooledcores cfm 1 NEdT at the camera output measured with FLIR s proprietary noise reduction applied in the as shipped configuration Typical performance is approximately 35mK with f 1 0 optics 1 2 April 2009 TAU 0035 00 10 version 100 1 Introduction Tau User s Manual 1 2 Available Tau Configurations The Tau is available with different lenses providing dif
60. tely after turn on or when ambient temperature is drifting FFC can be controlled manually at any time using the Do FFC command button Tau provides three FFC modes Automatic In the Automatic FFC mode the camera performs FFC whenever its temperature changes by a specified amount or at the end of a specified period of time whichever comes first When this mode is selected input windows are available in the FLIR Camera Controller for specifying the temperature change and the number of frames that trigger automatic FFC The temperature change is specified in degrees with valid values in the range O to 100 in 0 1 degree increments The time period is specified in analog video frames 33ms NTSC 4 ms PAL with valid values in the range O to 30 000 frames Note FLIR recommends using the factory default values for the two automatic FFC parameters if possible These values were selected to maintain a high degree of image quality over all camera operating conditions Manual In Manual FFC mode the camera does not perform FFC automatically based on specified values of temperature change or expired time The FFL will be performed using the internal shutter when the Do FFC button is clicked Note Large camera temperature excursions cause the camera to perform the FFC operation even with Manual FFC mode selected typically at temperature crossings near UPC and 40 C External In External FFC mode a uniform source blackbody must
61. the Tau and GUI Tau User s Manual 3 2 Remote control of the Tau camera The Tau camera accommodates advanced camera control through an RS 232 serial interface A user can control the camera via this interface by following the Serial Protocol Communication and command structure requirements located in Appendix B and their own hardware software interface This requires programming skills and a strong technical background The user can also use the FLIR Camera Controller offered as a free download from FLIR using a Windows based PC with the standard serial communications and components provided in the Development Kit This software provides remote control of various camera features and modes The FLIR Camera Controller software is compatible with Windows XP The PC must have a spare serial communications port or you must use the Tau VPC module USB accessory Note A USB to Serial port adapter is acceptable but the data communication rate must be set to 57600 BAUD If your embedded or specialty applications require custom control software a Software Developer s Kit SDK is available Those intending to generate their own custom software are encouraged to read the remainder of this section regarding the FLIR Camera Controller to better understand the camera modes and parameters 3 3 Connecting the serial communications interface using the development kit You should have successfully operated the camera and obtained live video on a monitor a
62. ty of the slide control so that the zoomed array moves one half the total range but all values are achievable Simple experimentation while viewing the displayed image will quickly give you familiarity with this feature TAU 0035 00 10 version 100 April 2009 3 15 3 Basic Operation of the Tau and GUI Tau User s Manual Polarity LUT The Tau camera detects and images the temperatures in a given scene Within the Camera these temperatures are mapped as determined by the AGC algorithm selected to a range of O to 256 values In a black and white display mode this range is converted to shades of grey with for example O being totally black and 256 being totally white The O to 256 grayshades range sensed is referenced to a Look Up Table LUT permanently stored in the camera to convert the scene to a video image Different LUTs are available to change the appearance of the displayed image The most common selection is either White Hot hotter objects appear brighter than cooler objects in the video display or Black Hot hotter objects appear darker than cooler objects Since the difference between these two modes simply reverses the choice of darker or lighter for temperature extremes this is sometimes referred to as Polarity Other color LUTs are available as shown below Figure 3 7 shows each of the LUTs as displayed in Test Pattern Ramp Mode starting with the upper left White Hot Black Hot Fusion Rainbow Globow Ir

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