256 Element Array - Cal Sensors Inc.
Contents
1. Continue Anyway Click Finish to complete the hardware driver installation wizard There wil now be an ADIC Linear MUX Array Controle entry under the Universal Serial Bus Controllers heading in the Windows Device Manager aja poog e 6 Once the program has completed instaling the driver click FINISH to proceed ts operation of the software Sampling ma rouna new TE F EI Operation The C1286 application is simple to operate since all controls operate Ike real world objects The application is writen using National Instruments LabView and utilizes al of the primary functions in the control DLL When the application starts all of the controis are disabled except for the Array Communications button Make sure the array is powered and plugged into the USB port on your computer then press the Start button Ater communications are established with the controller board all of the application controls become enabied and the Windows Close bution becomes disabled The figure below shows the active application acquiring data with the cooler on TEE k EI Software Control Descriptions DATA ACQUISITION Continuously acquire dala by pressing the Data Acquisiton button Press it again to tum off data acquisition ARRAY COMMUNICATIONS Starts or stops communication with the aray If no array is curently available an eror message is displayed The dose window ic2. Wire Ground Return for TEC Power approx 2A Pin 58 6 YELLOW Wire SVDC 2 Amps TEC Power In addition the Development System powers the system s fan from the twelve volts power supply This requiras an additonal 500 miliamps for a total of 600 miliamps on the twelve volt supply This voltage can be reduced to provide greater cooler control stabilty if tho PWM value is below 15 Note that the Ground Retums for both the 12V power andthe TE power pins 1 3 and 4 must be connected together at the system common ground pont otherwise damage may result to the controller board Power Connector in GETREE w EI Section 4 Cal Sensors 256 Element Array Development System User s Manual Detect y General Description The Cal Sensors PbS PbSe array has 256 elements in a linear configuration Each element is 40 microns wide and 450 microns high on 50 micron center to center spacing The 28 pin array package contains the 256 element linear array integrating mutiplexers a thermoelectric cooler and a thermistor for temperature contro T Symbol Value Unit Power Supply Voltage Van 7 v Ve OTV Input Voltage any pin MEd v PLS 4010365 Operating Temperature Tor Pose 4010 55 c PoS 4010465 Storage Temperature Tw Pose 4010 55 c Detector Current lanan B pA nE rm EI Functional Block Diagram Cal Sensors 256 Element Multiplexed Array Functiona
3. cycles through the calbratin sequence displaying progress messages assuming Suppress Messages is Off and seting correction values for each pixel Upon completion the DAC votages for each pixel are displayed in the graph as well as the High and Low volage range and the Global Skim value if Global Skim was tumed on before calibration Bad pixels can be marked in this window as they were n the main window After calibration is finished cick OK to retum to the main window If the Quick option is selected in the main window by clicking the LED the aray will be calibrated with the curent setings without caling the calibration window Be sure to cover the aray to obtain an accurate calibration ARREST z EI INDOWING A subset of the entire array can be read out by adjusting the right and left White arrows on the pixel graph 256 Bement PAY cats acasstien Am Sensors mraredAnay a o a BAD PIXELS TOGGLE CURRENT CLEAR ALL A bad pixel can be marked or unmarked by moving the data cursor yellow crosshair tothe pixel and clicking on Toggle Curent The bad pixel wil appear in the Bad Pixel List All bad pixels can be Geared by cicking on Clear Al To select the current pixel select the data cursor and drag it to the new postion You may also type the pixel number into the data legend which shows the data value of the selected pixel There are also options to change the data cursor appearance HIDE Toggles whether to hide or s
4. Ca Sensors ne hone 70745 4181 C Eie B TEER CalSensers Santana CASOS Ena ingicasensrscom mee eaten 256 Element Array Development System User s Manual Table of Contents 1 Getting Started Before You Start System Precautions Minimum System Requirements 2 Software Installation Operation Software Control Descriptions SOFTWARE SETTINGS CONTROL BOARD INFORMATION SETTINGS TO BOARD MEMORY THERMOELECTRIC COOLER WINDOWING BAD PIXELS ACTIONS 3 Interfaco Electronics Board General Description Power connection 4 Detector Array General Description Absolute Maximum Ratings Functional Block Diagram 10 4 14 15 16 16 16 7 Cal Sensors 256 Element Array Development System Users Manual 4 Getting Started The purpose of the development system is to provide our customers with a convenient method to gain experience using the Cal Sensors 256 Element Multiplexed Array The components ofthe development system can then be used within the customer s system saving development time and expense The development system consists of the following tems 256 Element Array 2 USB interface Electronics Board 3 Copper mounting block 4 Heatsink with integrated fant 5 USB cable Power supply module 12V 1A 5V 4A T Cal Sensors Array Controller Software and USB driver Before You Start System Precautions The development system has been designed to be
5. check sum is displayed This indicates the rare version SETTINGS TO BOARD MEMORY SAVE RESTORE SETTINGS The current calibration settings may be saved to the non volatile RAM on the controler board by pressing Save The software does an automatic Restore when it is stared A manual restore may be performed by pressing Restore All DAC global skim well size bias and bad pixel settings that were previously saved wil be restored pe 7 EI THERMOELECTRIC COOLER COOLER Tum the cooler on by alcking on the Cooler switch The Cooler Control indicator wil move towards the set point and the Cooler Power indicator will show the percentage of full power being supplied to the cooler If the software senses a cooler eror such as insufcient heatsinking the cooler power wil be shut down and the Cooler Eror light iluminated Correct the problem and tum the cooler back on to reset the error CALIBRATION To calbrats the array from the main screen press the calibrate array button This brings up the calibration window nee Got Beans mamoe ell as Sr a fea irs Adjust the User Settings to their desired values Preset Values may be recalled by pressing one ofthe Preset butions Preset values may be set by pressing the SET button and coresponding detector type After the appropriate settings have been selected cover the array and press the Calibrate bution The software then
6. ectory 5 The Cal Sensors 256 Array interface board uses a standard Windows Dynamic Link Library dl to access all of the operational functions This means that custom sofware can be developed in a variety of languages An application writen with LabView is included to demonstrate many of the array functions The installation media also ineudes a DLL directory with information for using the DLL including a help fle that Ests al of the DLL functions The DLL directory also includes a copy of the ADICL 2564 3 fie The fest time you use the development system you will need to install the USB drivers To do this follow these insvuctons 1 With the computer on and the USB cable from the MUX Controler Board disconnected from the computer apply power to the controler board by plugging in the power supply module and then plug the USB cable into the computer The Found New Hardware wizard wil pop up requesting to connect to Windows Update Select No not at this time and cick NEXT 3 Choose Install from a lst or specific location Advancad and click Next e ii C ae TE ry EI 4 Select Search for the best driver in these locations and check Include this location in the search Browse to C Program Files CSi256v4 Drvers directory and dick NEXT Ee CORON ies Fea See Cae 5 You may receive a notice that the driver has not passed Windows Logo testing Please cick on
7. how the bad pixels When Hide is selected a bad pixel is given a Value ofthe average of the two adjacent pixeis GEESTE EI ACTIONS WRITE DATA TO CSV To write a series of data samples at defined intervals twa fle using the comma separated values cv formal Maximum samples 15 000 cick the Write Data button and enter the information as requested 256 Bement nes wor Sensors Bettas Pex NVRAM Provides access to 400 bytes of data that can be stored in the non volatile memory on the USB interface board This is useful for storing system setup or calibration parameters This function is intended only to demonstrate the usage of the NVRAM functions 256 Bement PY Da cammen Sensors inrarsuAmay es EI 0 TEST ARRAY This function facilitates testing of the array under known input Conditions Afer the button is pressed you wil be asked for the part serial number and other test conditions Press OK after the information is entered and you willbe asked to cover the array Pressing OK wil initiate the gathering of 100 data samples You wil then be asked to uncover the aray exposing it to the calibrated illumination that you specified and again 100 data samples will be gathered Once all the data is gathered the test data sheet will be displayed with both basic and calculated resuls You may enter a comment in the appropriate section and print the data sheet on the system default printer b
8. l Diagram DEEG NE W EI
9. on is oniy enabled when the array communications is OT PIXEL DATA GRAPH The data display can be manipulated zoom scale ete by using the control selectors at the bottom of the graph Right clicking on the graph elements also brings up a menu to control the graph settings The data range of the Y axes can be changed by double clicking on the axis data values and typing in new min and max mis The defaut Y axis data range is OV to 5V which corresponds to the aray output limits MULTLBOARD INTERFACE This feature set located to the left of the DATA ACQUISITION bution allows the user to connect multiple Aray devices to the software by communicating through separate USB ports SOFTWARE SETTINGS SOFTWARE REFERENCE You may set the curent input data as a reference by doing the Ref bution To subtract the reference from the displayed reading switch the Reference On SOFTWARE GAIN CORRECTION You may correct the gain of the curent input data by clicking the Gain Correction Ref button and then turning the switch to On This mutipies each pixel by an amount to make the display uniform under llumination Typicaly you would do this after establishing a Reference if you are using that function SOFTWARE AVERAGING You may display the average of a number of readings by entering that number in the Averages box CONTROL BOARD INFORMATION SERIAL NUMBER The control board serial number is displayed CHECK SUM The firmware
10. robust enough to be used in a laboratory environment however the following precautions must be observed Both the USB interface Electronics Board and the array itself are ESD sensitive Please exercise typical ESD handing precautions Use a grounded outlet with the power supply module The thermal design of this system is not intended to be operated at extreme ambient temperatures Ensure that the thermoelectric cooler does not overheat and the detector itself does not exceed minimax temperature ratings noted on page sixteen of this manual CAL SENSORS NE 7 EE Minimum System Requirements Windows Operating System The software should work on Windows 88 or greater although it has not been tested on all configurations Pentium processor or equivalent 32MB of memory SMB of hard drive space CD ROM for installation ony 256 color at 1024 x 768 minimum resolution One available USB port 7 EI Section 2 Cal Sensors 256 Element Array Development System User s Manual Installation To install the CSI256 CDROM application sofware folow these steps Open or explore the contents of the Cal Sensors Array CDROM media 2 Run the Setup exe program and follow the instructions Bee Ras 2 GaP Dies Cerise I ARREST ET 4 The CSI256 application program is now installed it uses the AADICLIb_256R4 dl to interface withthe array which is installed in the standard Windows System or System32 dir
11. y pressing Print Close the window when testing is complete to retum to the main Window A test report example is shown on the folowing page peen er EI DEEG NE 2 EDIT PASSIFAIL This feature gives the user the ability to change and save custom Pass Fail criteria within he test function Each ofthe test parameters can be adjusted to provide Min Max Average and Standard Deviation test criteria TEE cy EI Section 3 Cal Sensors 256 Element Array Development System User s Manual Interface Electronics Board General Description The interface electronics board contains a microcontroller that supplies all timing and cooler control for the system along with USB interface circuitry and a current switch for powering the cooler System contro is provided by sending commands over the USB interface The cooler is controled by Pulse Width Modulating the supplied cooler current based on feedback from the thermistor The set temperature is determined by a resistor located on the Interface Electronics Board This set temperature is approximately 4 C nE 77 EI Power connection Power to the interface Electronics Board is supplied through a six pin connector Power supplied to this board also supplies power to the detector array and the thermoelectric cooler Connector Pin Out Pind BLACK Wire Ground Retum for 12V power 100mA Pin2 RED Wie 12VDC 100mA System Power Pin 3 amp 4 BLUE
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