Feasa 20-F User Manual

Led analyser functional version
Table of Contents

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FEASA LED ANALYSER
FUNCTIONAL VERSION
User Manual for Feasa Functional Models
Feasa Enterprises Ltd,
Holland Road,
National Technology Park,
Castletroy, Limerick, Ireland.
www.feasa.ie
Email:
sales@feasa.ie
Rev. 8.7 Functional Version
Date: September 2020
1

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Summary of Contents for Feasa 20-F

  • Page 1 FEASA LED ANALYSER FUNCTIONAL VERSION User Manual for Feasa Functional Models Feasa Enterprises Ltd, Holland Road, National Technology Park, Castletroy, Limerick, Ireland. www.feasa.ie Email: sales@feasa.ie Rev. 8.7 Functional Version Date: September 2020...
  • Page 2 Feasa 3-FB is a 3 channel High Brightness unit testing up to 3 LED's. The Feasa 20-LT is a Life Tester 20 channel unit which will test up to 20 LED's in an oven while the Feasa 3-LT is a 3 channel Life Tester unit testing up to 3 LED's.
  • Page 3: Table Of Contents

    FEASA LED ANALYSER FUNCTIONAL VERSION Table of Contents Introduction............................6 IMPORTANT INFORMATION for Programmers................7 Colour and Saturation...........................8 Intensity..............................10 Photopic Response..........................12 White LED's............................13 Setting Tolerance Limits for Colour and Intensity................14 Physical Layout..........................15 USB Port Control..........................15 Serial Port Control (RS232).......................16 Trigger Port Control...........................17 Capture Commands........................18...
  • Page 4 FEASA LED ANALYSER FUNCTIONAL VERSION getSTATUS - Get a summary of the Led Analyser details............45 getSERIAL Get the Serial Number of the Analyser..............46 getVERSION - Get the Firmware Version................47 EOT - End of Transmission Character..................48 General Set/ Put Commands ........................49 set/putFACTOR## - Set the Exposure Factor................50...
  • Page 5 FEASA LED ANALYSER FUNCTIONAL VERSION IdentifySequence - Identify the current sequence pattern............87 ResetSequence## - Reset a sequence pattern................88 GetSequenceStored## - Get a sequence pattern................89 GetSequence@@ - Get the binary sequence of Intensities............90 GetSequenceTimes@@ - Get the Duty Cycle of the Sequence..........91...
  • Page 6: Introduction

    Analyser can have up to 20* 1mm flexible Fiber-Optic Light Guides which are mounted individually over the LEDs to be tested. The Feasa Led Analyser can be trained to read other Led Parameters like Absolute Intensity and CIEXYZ in Luminous flux (lm), Luminous intensity (cd, mcd), Luminance (cd/m^2). It can also be trained to interpret the data from an RGB Led.
  • Page 7: Important Information For Programmers

    FEASA LED ANALYSER FUNCTIONAL VERSION IMPORTANT INFORMATION for Programmers set / put Commands The Set / Put commands are used to adjust various settings in the LED Analyser such as Intensity, Exposure and offsets. The Set commands are written to the on-board Flash.
  • Page 8: Colour And Saturation

    – the greater the amount of white the closer it will be to the center. The Feasa Led Analyser output of Saturation is NOT part of the International System of Units. and is not an absolute or traceable unit of colour measurement. It is part of the Hue Saturation and Relative intensity (HSI) system of describing colour.
  • Page 9 FEASA LED ANALYSER FUNCTIONAL VERSION The RGB and Hue values in Figure 2 show how different Colour LEDs can be identified. SATURATION 100% Green Blue Yellow Orange White See Page 13 Figure 2. The RGB or Hue values are used to identify different Colour LEDs.
  • Page 10: Intensity

     Is an Optical Head being used. There are 6 capture ranges each with an intensity output range of 0 to 99,999. Feasa recommends that the UUT readings should be in the 55K to 85K range for the best stability.
  • Page 11 FEASA LED ANALYSER FUNCTIONAL VERSION Figure 3b. Intensity for the LED Analyser in LINEAR Mode Back to Index...
  • Page 12: Photopic Response

    FEASA LED ANALYSER FUNCTIONAL VERSION Photopic Response For everyday light levels, the photopic luminosity function best approximates the response of the human eye. The photopic curve is the CIE standard curve used in the CIE 1931 color space. Figure 3c The Led Analyser is shipped from the factory in this mode.
  • Page 13: White Led's

    FEASA LED ANALYSER FUNCTIONAL VERSION White LED's White LED's must be treated differently to coloured LED's when being tested. White is not a colour – it is a mix of all other colours. The three Primary colours Red, Green and Blue will be mixed in approximately equal proportions to display a White Colour.
  • Page 14: Setting Tolerance Limits For Colour And Intensity

    C3PWM, C4PWM, C5PWM would be recommended. Figure 5. Note:- the Relative Intensity Value will depend on the Range selected. Note:- Feasa recommends selecting a Capture Range to achieve Relative Intensity Reading of 55K to 85K for the best results. Back to Index...
  • Page 15: Physical Layout

    This shows the layout of the Connectors viewed from the edge of the board. Figure 6a shows the physical layout of the Feasa x-F, x-FB and x-LT Analyser Front Panels. Figure 6b shows the physical layout of the Feasa x-F, x-FB and x-LT Analyser Rear Panels.
  • Page 16: Serial Port Control (Rs232)

    FEASA LED ANALYSER FUNCTIONAL VERSION Serial Port Control (RS232) For serial communications the LED Analyser must be connected from the 3-pin Serial Connector to the PC or Controller using the supplied serial cable (LA-SER-02). 5VDC @ 200mA must be supplied to the 2-pin Power Connector using the Power Cable provided (LA-PWR-01).
  • Page 17: Trigger Port Control

    When the Trigger is activated there is a 550ns +/- 50ns delay before the light capture begins. The commands must be transmitted through the USB or Serial Port of the Led Analyser. The Feasa Terminal program can be used to perform this task.
  • Page 18: Capture Commands

    Analyser. This program is also available as a drop down box in the User program and the Test Software program. The Feasa LED Analyser USER Program is a graphical tool that can be used to send commands and receive results from the Analyser. It allows one LED to be tested at a time.
  • Page 19: Auto Capture - Store Led Data

    FEASA LED ANALYSER FUNCTIONAL VERSION Capture Mode AUTO CAPTURE - Store LED Data Transmit Receive capture Description This Auto Range Capture instructs the LED Analyser to capture and store the data of all the LED's positioned under the fibers. The Analyser automatically determines the correct settings to capture the LED data based on the Intensity.
  • Page 20: Manual Capture - Store Led Data For A Specific Range

    There are 5 manual capture ranges each with an intensity output range of 0 to 99,999. Feasa recommends that the UUT readings should be in the 55K to 85K range for the best stability. Back to Index...
  • Page 21: Capture Times Pwm Leds

    FEASA LED ANALYSER FUNCTIONAL VERSION Capture Mode Capture Times PWM Leds The Capture Time for each range is outlined on the following Table. Range Capture Time Range 1 low C1PWM 4.5s Range 2 med C2PWM 3.5ms Range 3 high C3PWM 2.5s...
  • Page 22: Manual Capturepwm - Store Pwm Led Data For A Specific Range

    (i.e. the PC). capture1pwm10 c1pwm10 There are 5 manual capture ranges each with an intensity output range of 0 to 99,999. Feasa recommends that the UUT readings should be in the 55K to 85K range for the best stability. Back to Index...
  • Page 23: Capturemulti - Multiple Capture Command

    FEASA LED ANALYSER FUNCTIONAL VERSION Capture Mode CAPTUREMULTI - Multiple Capture Command Transmit Receive setrange@@# putrange@@# getrange@@ 1 to 5 capturemulti Where: represents the fiber number in the range 01 – 20. represents the capture range 1 - 5 Description...
  • Page 24: Get Data Commands

    FEASA LED ANALYSER FUNCTIONAL VERSION Get Data Commands The get data commands are used to read out the Colour, Saturation and Intensity data stored by the capture commands. The data from the last capture command remains in memory until a new capture command is issued or the power is removed from the Analyser.
  • Page 25: Getrgbi## - Get Rgb And Intensity For A Led

    Where: ## represents the Fiber Number and is a number in the range 01 – 20. all represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. are the red, green blue components of the LED Colour.
  • Page 26: Gethsi## - Get Hue, Saturation And Intensity

    Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. hhh.hh represents the Hue (Colour) and is a number in the range 0.00 – 360.00.
  • Page 27: Getxy## - Return The Xy Chromaticity Values

    0.xxxx 0.yyyy getxyall Where: represents the Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. 0.xxxx represents the x Chromaticity value 0.yyyy represents the y Chromaticity value...
  • Page 28: Getxyi## - Return The Xy Chromaticity & Relative Intensity Values

    0.xxxx 0.yyyy IIIII getxyiall Where: represents the Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. 0.xxxx represents the x Chromaticity value 0.yyyy...
  • Page 29: Getciexyz## - Return The Cie 1931 Xyz Colour Values

    0.0000e+00 0.0000e+00 0.0000e+00 Where: represents the Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. 0.0000e+00 represents the X value 0.0000e+00 represents the Y value (Absolute Intensity *) 0.0000e+00...
  • Page 30: Getuv## - Return The U'v' Chromaticity Values

    0.uuuu 0.vvvv getuvall Where: represents the Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. 0.uuuu represents the u Chromaticity value 0.vvvv represents the v Chromaticity value...
  • Page 31: Getwavelength## - Get The Dominant Wavelength

    Where: represents the Fiber Number and is a number in the range 1 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. represents the dominant wavelength of the LED in nanometers. Description This command is used to get the value of the Dominant Wavelength for the LED under the Fiber number ##.
  • Page 32: Getwi## - Get The Dominant Wavelength & Intensity

    Where: represents the Fiber Number and is a number in the range 1 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. represents the dominant wavelength of the LED in nanometers. YYYYY represents the intensity of the LED.
  • Page 33: Getwsi## - Get The Dominant Wavelength, Saturation & Intensity

    Where: represents the Fiber Number and is a number in the range 1 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. represents the dominant wavelength of the LED in nanometers. represents the Saturation (whiteness) and is a number in the range 0–100.
  • Page 34: Getcct## - Get The Correlated Colour Temperature

    Where: represents the Fiber Number and is a number in the range 1 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. ccccc represents the Correlated Colour Temperature of the LED. d.dddd represents the perpendictular distance the LED is from the Plankian locus (Delta E).
  • Page 35: Getintensity## - Get The Relative Intensity

    Where: represents the Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. iiiii represents the intensity value of the LED under fiber ##.
  • Page 36: Getabsint@@ Get The Absolute Intensity Value Of The Led Under Test

    #.####e±## Where: represents the Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. #.####e±## represents the Intensity reading Description: This command will allow the user to interrogate the Led Analyser to return the absolute Intensity Value for the Led under test at Fiber@@.
  • Page 37: Getsignallevel## - Get The Relative Intensity In A Percentage Of The Range

    Where: represents the Fiber Number and is a number in the range 01 – 20. represents the 20 Fibers in a Feasa 20F, or 3 Fibers in a 3F. iii% represents the intensity value in percentage terms of the LED under fiber ##. This 3- digit number is in the range 001 –...
  • Page 38: Getfactor - Get The Exposure Factor

    FEASA LED ANALYSER FUNCTIONAL VERSION Get Data Mode getFACTOR - Get the exposure Factor Transmit Receive getfactor Where: represents the exposure factor value 01 to 15. The default value is 01. Description This command is used to get the exposure factor value for all Fibers.
  • Page 39: Get7Seg# - Get The Value Of A 7 Segment Display

    FEASA LED ANALYSER FUNCTIONAL VERSION Get Data Mode get7SEG# - Get the value of a 7 Segment Display Transmit Receive get7seg# Where: represents the Number 1 or 2 represents the value of the display 0 - 9 Description The LED Analyser can be used to test LED-based 7-Segment displays.
  • Page 40: Getautopwm - Get Which Auto Capture Mode Is Active C Or Cpwm

    Auto PWM Capture (CPWM). Example: Connect the Led Analyser to the Feasa Terminal Window and type getstatus. The Analyser will report Auto PWM Mode: OFF or type getautopwm and the Analyser will report 0. Set a fiber over a Led to test and do an Auto Capture (C). If its a non-pwm Led the Analyser will report useable data for HSI, RGB or XY as requested.
  • Page 41: Getintensitymode - Get Which Intensity Mode Is Active Logarithmic Or Linear

    Refer to pages 10,11 of this document for more details Example: Connect the Led Analyser to the Feasa Terminal Window and type getintensitymode. The Analyser will report the mode the Intensity output of the Analyser is set to. Set the Analyser is Linear mode and verify.
  • Page 42: Getphotopic - Get Which Photopic Mode Is Active

    FEASA LED ANALYSER FUNCTIONAL VERSION Get Data Mode getPHOTOPIC Get which Photopic Mode is active Transmit Receive getphotopic 0 or 1 or 2 Where: 0 is Photopic Response OFF 1 is Response Photometric 2 is Response Radiometric Description The Led Analyser is shipped from the factory in photopic mode 1. This corrects the Absolute Intensity to reproduce the photometric response (for lm, mcd).
  • Page 43: Getbaud- Get The Baud Rate

    The default Port settings of the Analyser are 57,600, 8 Data bits, 1 Stop bit and No Parity. It can also be seen on the comment section of the Feasa terminal window. Example: To get the baud rate of the Analyser transmit the command getbaud to the Analyser.
  • Page 44: Gethw - Get The Hardware Version

    Where: XX-YY is an alphanumeric value. Description This command will return the hardware version the Analyser. Example: The PC transmits gethw to the LED Analyser an it will return Feasa XX-YY to the PC. gethw Feasa 20-F Feasa 20FB Back to Index...
  • Page 45: Getstatus - Get A Summary Of The Led Analyser Details

    This command will return a summary of the Led Analyser details. Example: getstatus The PC transmits to the LED Analyser and it will return to the PC. Led Analyser STATUS Hardware: Feasa 20-F Serial Number : J001 Firmware Version :F123 Intensity Mode : Logarithmic Photopic response: ON Exposure Factor: 01...
  • Page 46: Getserial Get The Serial Number Of The Analyser

    FEASA LED ANALYSER FUNCTIONAL VERSION General Commands getSERIAL Get the Serial Number of the Analyser Transmit Receive getSerial xxxx Where: xxxx is an alphanumeric value. (Always 4 characters) Description This command will return the Serial Number of the Analyser. This is a unique number and is useful if multiple LED Analysers are used in a System.
  • Page 47: Getversion - Get The Firmware Version

    FEASA LED ANALYSER FUNCTIONAL VERSION General Commands getVERSION - Get the Firmware Version Transmit Receive getVersion xxxx Where: xxxx is an alphanumeric value. (Always 4 characters) Description This command will return the Version Number of the firmware in the Analyser.
  • Page 48: Eot - End Of Transmission Character

    The EOT command is disabled by default. To enable EOT simply send the command enableeot using Feasa Terminal software. The Analyser will maintain the EOT state even when powered off. To disable the state just send the command disableeot.
  • Page 49: General Set/Put Commands

    FEASA LED ANALYSER FUNCTIONAL VERSION General Set/Put Commands General Set / Put Commands IMPORTANT INFORMATION for Programmers set / put Commands The Set / Put commands are used to adjust various settings in the LED Analyser such as Intensity, Exposure and offsets.
  • Page 50: Set/Putfactor## - Set The Exposure Factor

    FEASA LED ANALYSER FUNCTIONAL VERSION Set Data Mode set/putFACTOR## - Set the Exposure Factor Transmit Receive setfactor## putfactor## Where: represents the Factor Number and is in the range 01 – 15 (default 01). Description This command allows the user to adjust the Exposure Factor for all Fibers.
  • Page 51: Set/Putlog - Change The Intensity Response Of The Analyser To Logarithmic Mode

    FEASA LED ANALYSER FUNCTIONAL VERSION Set Data Mode set/putLOG - Change the Intensity Response of the Analyser to Logarithmic mode Transmit Receive setlog putlog Description This command will change the Intensity Response of the Analyser to measure in Logarithmic mode. All Analysers shipped from the factory are set in Log mode.
  • Page 52: Set/Putlin - Change The Intensity Response Of The Analyser To Linear Mode

    FEASA LED ANALYSER FUNCTIONAL VERSION Set Data Mode set/putLIN - Change the Intensity response of the Analyser to Linear Mode Transmit Receive setlin putlin Description This command will change the Intensity Response of the Analyser to measure in Linear mode.
  • Page 53: Setbaud - Change The Baud Rate

    The command getbaud will return the set baud rate. It can also be seen on the comment section of the Feasa terminal window. Test times are improved by increasing the baudrate from the default to higher values and this can be further enhanced by decreasing the latency (windows default 16) to latency of 1.
  • Page 54: Setautopwm# - Change The Auto Capture Mode To Auto Pwm Mode

    Auto PWM Capture should the Led Analyser detect a blinking Led. Example: Connect the Led Analyser to the Feasa Terminal Window and type getstatus. The Analyser will report Auto PWM Mode: OFF. Set your fiber over a Led and do an Auto Capture (C). If its a standard Led the Analyser will report useable data for HSI, RGB or XY as requested.
  • Page 55: S Et Photopic - Set Which Photopic Mode You Require

    FEASA LED ANALYSER FUNCTIONAL VERSION Get Data Mode setPHOTOPIC Set which Photopic Mode you require Transmit Receive setphotopic# Where #: 0 is Photopic Response OFF 1 is Response Photometric (Default from the Factory) 2 is Response Radiometric Description The Led Analyser is shipped from the factory in photopic mode 1. This corrects the Absolute Intensity to reproduce the photometric response (for lm, mcd).
  • Page 56: User Calibration Mode

    However the higher the average the longer the capture time will be required. The Feasa User software has a repeatability test analysis to help you on this task. When this data is accumulated then proceed with the calibration. Feasa provide a program called UserCal on the CD to accomplish this process.
  • Page 57: Usercal Manual Procedure

    User Calibration Mode This is a manual procedure to calibrate the Led Analyser. However we recommend to use the Feasa UserCal program provided on the CD. Each command is detailed in the section below. UserCal Manual Procedure: Select Calibration set...
  • Page 58: Set/Putintgain - Set The Intensity Gainfactor

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode set/putINTGAIN - Set the Intensity GainFactor Transmit Receive Setintgain##xxx putintgain##xxx Where: represents the Fiber Number and is a number in the range 01 – 20. represents a 3 digit gain factor, default 100.
  • Page 59: Getintgain## - Get The Intensity Gain Factor

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode getINTGAIN## - Get the Intensity Gain Factor Transmit Receive getIntGain## Where: represents the Fiber Number and is a number in the range 01 – 20. represents the Intensity gain value. Default 100.
  • Page 60: Set/Putxoffset##0.Xxx - Set The X Chromaticity Offset

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode set/putXOFFSET##0.xxx - Set the x Chromaticity Offset Transmit Receive setxoffset##±0.xxx putxoffset##±0.xxx Where: represents the Fiber Number and is a number in the range 01 – 20. 0.xxx represents the x Chromaticity offset value (±0.000 – 0.300).
  • Page 61: Set/Putyoffset##0.Xxx - Set The Y Chromaticity Offset

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode set/putYOFFSET##0.xxx - Set the y Chromaticity Offset Transmit Receive setyoffset##±0.xxx putyoffset##±0.xxx Where: represents the Fiber Number and is a number in the range 01 – 20. 0.xxx represents the y Chromaticity offset value (±0.000 – 0.300).
  • Page 62: Getxoffset## - Return The X Chromaticity Offset

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode getXOFFSET## - Return the x Chromaticity offset Transmit Receive getxoffset## ±0.xxx Where: represents the Fiber Number and is a number in the range 01 – 20. ±0.xxx represents the x Chromaticity offset...
  • Page 63: Getyoffset## - Return The Y Chromaticity Offset

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode getYOFFSET## - Return the y Chromaticity offset Transmit Receive getyoffset## ±0.yyy Where: represents the Fiber Number and is a number in the range 01 – 20. ±0.yyy represents the y Chromaticity offset...
  • Page 64: Set/Putwavelengthoffset@@±## - Set The Wavelength Offset

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode set/putWAVELENGTHOFFSET@@±## - Set the wavelength Offset Transmit Receive setwavelengthoffset##±xx putwavelengthoffset##±xx Where: represents the Fiber Number and is a number in the range 01 – 20. represents the wavelength offset value (±99). Description This set command is used to set an offset to the wavelength value.
  • Page 65: Getwavelengthoffset@@ - Get The Dominant Wavelength Offset

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode getWAVELENGTHOFFSET@@ - Get the Dominant Wavelength Offset Transmit Receive getwavelengthoffset@@ +/-XX Where: represents the Fiber Number and is a number in the range 1 – 20. +/- xx represents the wavelength offset set of the LED in nanometers.
  • Page 66: Set/Putabsintmult@@ - Set The Absolute Intensity Multiplier Factor

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode set/putABSINTMULT@@ - Set the Absolute Intensity Multiplier Factor Transmit Receive setabsintmult@@m.mmmmme+mm putabsintmult@@m.mmmmme+mm Where: represents the Fiber Number and is a number in the range 01 – 20. m.mmmmme+mm represents the Absolute Intensity Multiplier Factor Description The command setabsintmult@@m.mmmmme+mm directs the LED Analyser to set the...
  • Page 67: Getabsintmult@@ Get The Absolute Intensity Correction Factor Of The Led Under Test

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode getABSINTMULT@@ Get the Absolute Intensity Correction Factor of the Led under test. Transmit Receive getabsintmult@@ #.####e±## Where: represents the Fiber Number and is a number in the range 01 – 20. #.#####e+##...
  • Page 68: Setcalibration## - Select The Calibration Set To Use

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode setCALIBRATION## - Select the Calibration Set to use Transmit Receive setcalibration## putcalibration## Where: represents the set value (## can be 00 to 50). Description This command will select which calibration set you are accessing. The Led analyser is capable of storing fifty one (51) separate user Calibration sets on the board.
  • Page 69: Getcalibrationset - Select The Calibration Set To Use

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode getCALIBRATIONset - Select the Calibration Set to use Transmit Receive getcalibrationset Where: represents the set value (## can be 00 to 50). Description This command will retrieve which calibration set you are accessing.
  • Page 70: Resetusercal##- Reset The Standard Usercal Setting To Factory Default

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode ResetUserCal##- Reset the standard usercal setting to factory default Transmit Receive resetusercal## Where: ## is the calibration set number Description This command will reset the calibrationset back to factory default values. The Led analyser is capable of storing fifty one (00-50) separate user Calibration sets on the board.
  • Page 71: Resetrgbm - Reset The Rgb Usercal Setting To Factory Default

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode ResetRGBM - Reset the RGB usercal setting to factory default Transmit Receive resetrgbm@@ resetrgbmall Where: @@ is the individual fiber number to be reset from 01-20 ALL will reset all 20 fibers in a specific calibration set...
  • Page 72: Setcalibrationdateddmmyyyy - Set The User Cal Date

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode SetCalibrationDateddmmyyyy - Set the user Cal Date Transmit Receive Setcalibrationdateddmmyyyy Where: represents the 2 digit Day (01, 02..21, 30) represents the 2 digit Month (01, 02...12) yyyy represents a 4 digit Year. (2019) Description This command allows the user to input the Calibration Date for the Led Analyser.
  • Page 73: Getcalibrationdate Get The Calibration Date Set By The User

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Mode getcalibrationdate Get the Calibration Date set by the user. Description: This command will allow the user to interrogate the Led Analyser to return the actual USER Calibration Date in the format dd/mm/yyyy. This is the date set by the user for a specific cal version.
  • Page 74: User Calibration For Rgb Leds

    However the higher the average the longer the capture time will be required. The Feasa User software has a repeatability test analysis to help you on this task. When this data is accumulated then proceed to the UserCal Program provided to set the RGB gains.
  • Page 75: External Trigger Mode

    FEASA LED ANALYSER FUNCTIONAL VERSION External Trigger Mode External Trigger Method: Functional Led Analysers have a 2 pin input port (Tr) to activate an external trigger capture. Prior to activation the programmer must set the External Trigger Capture mode and the External Trigger Output mode.
  • Page 76: Sequence Capture Mode

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Sequence Capture Mode: Introduction The Sequence Capture functionality of the LED Analyser allows the user to take multiple captures in rapid succession and store them in the LED Analyser. The results of these captures can be downloaded at any time after the capture sequence has been completed.
  • Page 77: Capture Sequence Procedure

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode This is a simple procedure to use the Capture Sequence Mode in the Led Analyser. Each command is detailed in the following section. Capture Sequence Procedure: Assumption: Blinking Led sequence to be tested here is blink 1 second on 1 second off.
  • Page 78: Set/Put Sequencemode# - Set Sequence Mode For Fibers

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Set/Put SequenceMode# - Set sequence mode for Fibers Transmit Receive setsequencemode# putsequencemode# Where: represents the sequence mode and is a number in the range 0 – 1. Description This command is used to set the number of fibers that will be used in the capture sequence command.
  • Page 79: Set/Put Sequencechannel@@ - Select Sequence Mode Fiber No

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Set/Put SequenceChannel@@ - Select sequence mode Fiber No. Transmit Receive setsequencechannel@@ putsequencechannel@@ Where: represents the Fiber and is a number in the range 01 -20. Description This command is used to set the Fiber number associated with the Capture Sequence command.
  • Page 80: Set/Put Sequencecapture##(#) - Set Sequence Capture Time

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Set/Put SequenceCapture##(#) - Set Sequence Capture Time Transmit Receive setsequencecapture## putsequencecapture## setsequencecapture### putsequencecapture### Where: represents the capture time in milliseconds (01 – 99 msec) represents the capture time in milliseconds (001 – 999 msec) Description This command is used to set the Capture Time.
  • Page 81: Set/Put Sequencewait##(#) - Set Sequence Wait Time

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Set/Put SequenceWait##(#) - Set Sequence Wait Time Transmit Receive setsequencewait## putsequencewait## setsequencewait### putsequencewait### Where: represents the wait time in milliseconds (00 – 99 msec) represents the wait time in milliseconds (000 – 999 msec) Description This command is used to set the Wait time between captures.
  • Page 82: Set/Put Sequencenumber###(#) - Set The Number Of Captures

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Set/Put SequenceNumber###(#) - Set the Number of Captures Transmit Receive putsequencenumber### setsequencenumber### putsequencenumber#### setsequencenumber#### Where: represents the number of captures to store in the range 000 - 999. #### represents the number of captures to store in the range 000 – 9999.
  • Page 83: Set/Put Sequencethreshold##### - Set The Intensity Threshold

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Set/Put SequenceThreshold##### - Set the Intensity Threshold Transmit Receive putsequencethreshold##### setsequencethreshold##### Where: ##### represents the Intensity threshold. Description This command is used to set an Intensity threshold so that Intensities above the threshold will be converted to binary 1's and Intensities below the threshold will be converted to binary 0's.
  • Page 84: Set/Put Sequencestartdelay### - Set Delay In Ms Before Sequencecapture Starts

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Set/Put SequenceStartDelay### Set delay in ms before sequencecapture starts Transmit Receive putsequencestartdelay### setsequencestartdelay### Where: represents the delay in milliseconds before executing a capturesequence and is in the range 001-999ms. Description This command is used to set a delay in milliseconds before the capturesequence starts. This can be useful when using the external trigger mode.
  • Page 85: Capturesequence - Start The Captures

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode CaptureSequence - Start the Captures Transmit Receive Capturesequence or CS Description This command starts the sequence capture function. The LED Analyser will capture and store the Intensity results of each capture up to the number of captures specified by the setsequencenumber### or putsequencenumber### command.
  • Page 86: Storesequence## - Store The Sequence Pattern

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode StoreSequence## - Store the sequence pattern Transmit Receive storesequence## Where: represents a sequence pattern number and is a value in the range 00 - 20. Description This command stores the sequence pattern from the last capturesequence command. The pattern is identified by a number in the range 00 –...
  • Page 87: Identifysequence - Identify The Current Sequence Pattern

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode IdentifySequence - Identify the current sequence pattern Transmit Receive identifysequence Where: represents the number of a stored sequence pattern and is a value in the range 00 – 20 which compares to the current sequence capture executed.
  • Page 88: Resetsequence## - Reset A Sequence Pattern

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode ResetSequence## - Reset a sequence pattern Transmit Receive Resetsequence## resetsequenceall Where: represents the number of a sequence pattern and is a value in the range 00 - 20. represents the all sequence patterns stores in the Analyser. (max 21 patterns) Description This command resets the sequence pattern number ##.
  • Page 89: Getsequencestored## - Get A Sequence Pattern

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceStored## - Get a sequence pattern Transmit Receive getsequencestored## Where: Represents the Sequence pattern stored previously. Description The pattern is identified by a number in the range 00 – 20. Up to 21 patterns can be stored.
  • Page 90: Getsequence@@ - Get The Binary Sequence Of Intensities

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequence@@ - Get the binary sequence of Intensities Transmit Receive getsequence@@ Binary data 0101.. Where: represents the Fiber number to be interrogated and is a value in the range 01 - 20.
  • Page 91: Getsequencetimes@@- Get The Duty Cycle Of The Sequence

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceTimes@@- Get the Duty Cycle of the Sequence Transmit Receive getsequencetimes@@ Toff1 Ton Toff2 Where: represents the Fiber number and is a value in the range 01 – 20. Toff1 represents the time the LED is off at the beginning of the sequence.
  • Page 92: Getsequencetimesall - Get The Duty Cycle Of The Sequence For All Fibers

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceTimesAll - Get the Duty Cycle of the Sequence for all fibers Transmit Receive getsequencetimesall Toff1 Ton Toff2 Where: represents the total number of Fibers used in the sequence capture. Toff1 represents the time the LED is off at the beginning of the sequence.
  • Page 93: Getfrequency## - Returns The Frequency And Duty Cycle Of Led

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetFrequency## - Returns the frequency and duty cycle of Led Transmit Receive getfrequency## Fff.f Hz xxx.x % Where: represents the Fiber Number and is a value in the range 01 - 20.
  • Page 94: Get(Max/Min/Avg)Intensity## - Returns The Max/Min Or Avg Intensity For The Seq Cap

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode Get(Max/Min/Avg)Intensity## - Returns the Max/Min or Avg Intensity for the Seq Cap. Transmit Receive getmaxintensity## iiiii @xxxxx ms getminintensity## iiiii @xxxxx ms getavgintensity## iiiii Where: Represents the Fiber Number and is a value in the range 01 – 20.
  • Page 95: Getflicker## - Returns The Flicker Index And Frequency After A Seq Cap

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetFlicker## - Returns the Flicker Index and frequency after a Seq Cap. Transmit Receive getflicker## xxx.x %, y.yyyyyy, fff.f Hz Where: represents the Fiber Number and is a value in the range 01 – 20.
  • Page 96: Getsequencemode# - Get Sequence Mode For Fibers

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceMode# - Get sequence mode for Fibers Transmit Receive getsequencemode# 0 or 1 Where: represents the sequence mode and is a number in the range 0 – 1. To determine which sequence mode is set, use the command getsequencemode. It will return a 1 or a 0.
  • Page 97: Getsequencechannel - Select Sequence Mode Fiber No

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceChannel - Select sequence mode Fiber No. Transmit Receive getsequencechannel 01 to 20 Where: 01 – 20 represents the Fiber Number and is in the range 01 -20. To determine which Fiber Number is set, use the command getsequencechannel. It will return a number in the range 01 to 20.
  • Page 98: Getsequencecapture - Get Sequence Capture Time

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceCapture - Get Sequence Capture Time Transmit Receive getsequencecapture xx ms or xxx ms Where: represents the capture time in milliseconds (01 – 99) represents the capture time in milliseconds (001 – 999) To determine which Capture Time is set, use the command getsequencecapture It will return a time in milliseconds.
  • Page 99: Getsequencewait - Get Sequence Wait Time

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceWait - Get Sequence Wait Time Transmit Receive getsequencewait xx ms or xxx ms Where: represents the wait time in milliseconds (00 – 99) represents the wait time in milliseconds (000 – 999) To determine what Wait Time between Sequence Captures is set to, use the command getsequencewait .
  • Page 100: Getsequencenumber - Get The Number Of Captures

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceNumber - Get the Number of Captures Transmit Receive getsequencenumber xxxx Where: xxxx represents the number of captures stored. To determine the number of Sequence Captures stored, use the command getsequencenumber It will return a number in the range 0 - 9999...
  • Page 101: Getsequencethreshold - Get The Intensity Threshold

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceThreshold Get the Intensity Threshold Transmit Receive getsequencethreshold xxxxx Where: xxxxx represents the Intensity threshold. To determine the minimum Intensity level acceptable as a PASS, use the command getsequencethreshold . It will return an Intensity Value in the range 0 - 99999...
  • Page 102: Getsequencestartdelay - Get The Delay Before The Cs Command

    FEASA LED ANALYSER FUNCTIONAL VERSION Sequence Capture Mode GetSequenceStartDelay Get the delay before the CS command Transmit Receive getsequencestartdelay Where: represents the delay in milliseconds To determine the delay in milliseconds before the sequence capture is initiated use the command getsequencestartdelay It will return a time in the range 000 - 999ms...
  • Page 103: Daisy Chain Mode

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode There are two options when connecting the Daisy Chain Function USB and Serial RS232 : Daisy Chain USB Wiring Method: The Daisy chain is a method used to communicate with multiple Led Analyser units to save connections and simplify the wiring.
  • Page 104: Daisy Chain Serial Rs232 Wiring Method

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode Daisy Chain Serial RS232 Wiring Method: The Daisy chain is a method used to communicate with multiple Led Analyser units to save connections and simplify the wiring. The 1 Led analyser in the chain is connected to the computer using the Serial cable supplied.
  • Page 105: Daisy Chain Baudrate

    Analyser or can be read out using the getSerial command. Feasa provides a Terminal Program on the CD for the customers use. When you connect your 1 analyser the terminal program will detect which port you are connected to. At this time you have the option of connecting to the Standalone option or the Daisy Chain option from the drop down box.
  • Page 106: Busfree - Deactivate Any Active Analysers

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode BusFree - Deactivate any active Analysers Transmit Receive busfree Description This command is used to deactivate any active Analysers on the Daisy Chain Bus. This will free the Bus to allow an Analyser to be made active.
  • Page 107: Busget#### - Activate A Led Analyser

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode BusGet#### - Activate a LED Analyser Transmit Receive busget#### Where: #### represents the Serial Number of the Analyser. Description This command will activate the LED Analyser with the specified Serial Number. This command should be preceded by a BusFree command.
  • Page 108: Busc - Initiate Capture For All Led Analyser's

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode BusC - Initiate Capture for all LED Analyser's Transmit Receive busc Description This command will cause all LED Analysers in the Daisy Chain to initiate a capture sequence using the Automatic Range Mode.
  • Page 109: Busc# - Initiate Capture For All Led Analyser's

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode BusC# - Initiate Capture for all LED Analyser's Transmit Receive busc# Where: # represents the ranges 1, 2, 3, 4, 5. The LED brightness level for each range is as follows:- Range 1 = Low...
  • Page 110: Busc#Pwm@@ - Store Pwm Led Data For A Specific Range

    (i.e. the PC). busc1pwm10 There are 5 manual capture ranges each with an intensity output range of 0 to 99,999. Feasa recommends that the UUT readings should be in the 55K to 85K range for the best stability. Back to Index...
  • Page 111: Busce#### - Poll Each Led Analyser To Verify A Capture Is Complete

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode BusCE#### - Poll each LED Analyser to verify a capture is complete Transmit Receive busce#### 0 or 1 Where: #### represents the Serial Number of the Led Analyser. If reply is 1...
  • Page 112: Ports Description And Wiring

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode Ports Description and Wiring. D_OUT Power Serial D_IN Figure 10 The Daisy Chain Connectors are shown on the right-hand side of figure 10. The D_OUT connector is connected to the D_IN connector of the next Analyser in the chain.
  • Page 113: Daisy Chain Pinout

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode Daisy Chain Pinout D_IN D_OUT POWER SUPPLY D_IN D_OUT RX_in RX_out TX_out TX_in Figure 11 Figure 11 shows the layout of the Connectors viewed from the edge of the board. The GND line of D_OUT is connected with the GND line of D_IN, the RX_out of D_OUT is connected to RX_in of D_IN and the line TX_in of D_OUT is connected to the line TX_out of D_IN.
  • Page 114: Step-By-Step Method For Daisy Chaining

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode Step-by-Step method for Daisy Chaining To sucessfully implement Daisychaining the following steps are recommended:- Decide how many Analysers are to be daisychained. Make a list of the Serial Numbers of the Analysers and note the order in which they will be interconnected.
  • Page 115 FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode To connect to Analyser 2 (s/n F461) send:- busfree Response from the Analyser busgetF461 Response from the Analyser The host computer is now connected to Analyser 2 (s/n F461). This can be verified by requesting the Serial Number:-...
  • Page 116: Example

    FEASA LED ANALYSER FUNCTIONAL VERSION Daisy Chain Mode Example Busfree 'free the bus busc3 'All Analysers capture using range 3 High busceF304 'poll the analyser F304 busgetF304 'Connect to the Analyser F304 getserial 'Confirm s/n of the Analyser F304 gethsi01 'Get the Data for Fiber 1 000.51 100 36491...
  • Page 117 FEASA LED ANALYSER FUNCTIONAL VERSION Begin BUSFREE BUSC Serial Number = First Serial BUSCE#### Answer? “1” Serial Number = Next serial End Serial?
  • Page 118: Step-By-Step Approach To Testing A Led

    FEASA LED ANALYSER FUNCTIONAL VERSION Step-by-Step approach to Testing a LED Standard Capture Mode To Test the Colour and Intensity of up to 20 LEDs simultaneously carry out the following: Ensure that the LEDs to be Tested are turned on and that the fibers are centered over the LEDs.
  • Page 119: Effect Of Pwm On Intensity Testing

    FEASA LED ANALYSER FUNCTIONAL VERSION PWM LED Mode Effect of PWM on Intensity Testing The effect of Pulse Width Modulation (PWM) of a typical LED on the Analyser Intensity can be seen in Figure 29. In this graph the LED will always be on at 100% modulation. The Intensity has been normalised to 100% at 100% modulation.
  • Page 120: Step-By-Step Approach To Testing A Pwm Led

    FEASA LED ANALYSER FUNCTIONAL VERSION Step-by-Step approach to Testing a PWM LED PWM LED Mode To test PWM LEDs use the following commands on the LED Analyser for Fiber 1: 1. Decide how many readings are required to test the PWM LED's.
  • Page 121: Testing A 7-Segment Display

    FEASA LED ANALYSER FUNCTIONAL VERSION Testing a 7-Segment Display The LED Analyser can be used to test LED-based 7-Segment displays. To set up the LED Analyser to interrogate a single 7-Segment display, fit fibers labeled 1 to 7 over segments a-g on the 7-Segment display.
  • Page 122: Command Summary

    FEASA LED ANALYSER FUNCTIONAL VERSION Command Summary: COMMAND DESCRIPTION Capture Store LED Data - Auto Range Capture# Store LED Data - Manual Range CapturePWM Store PWM LED Data – Auto Range Capture#PWM@@ Store PWM LED – Manual Range Capturemulti Store LED Data – Specific Range, Specific Fiber CaptureSequence Store LED Data –...
  • Page 123 FEASA LED ANALYSER FUNCTIONAL VERSION Command Summary: COMMAND DESCRIPTION s etLOG Set the Intensity Response to Logarithmic Mode set LIN Set the Intensity Response to Linear Mode setBAUD Set the baud rate of the Serial Port getBAUD Get the Baud Rate the Analyser is set to...
  • Page 124 FEASA LED ANALYSER FUNCTIONAL VERSION Command Summary: s etSequenceMode# Set the No. of Fibers in the CS Mode -0 is ALL -1 is individual Channel getsequencemode Determine which sequence mode is set se tSequenceChannel @@ Set the Channel No's for the Capture Sequence Mode...
  • Page 125: Feasa Software

    The following Software and Documentation packages are available on this CD. The contents of the CD can be installed automatically to a designated Windows Folder. FEASA LED Analyser. The following folders can be installed. Each Program is supplied with a help guide.
  • Page 126: User Software

    FEASA LED ANALYSER FUNCTIONAL VERSION User Software Back to Index...
  • Page 127: Test Software

    FEASA LED ANALYSER FUNCTIONAL VERSION Test Software Back to Index...
  • Page 128: User Calibration

    FEASA LED ANALYSER FUNCTIONAL VERSION User Calibration Back to Index...
  • Page 129: Programming

    FEASA LED ANALYSER FUNCTIONAL VERSION Programming Back to Index...
  • Page 130: Specifications

    FEASA LED ANALYSER FUNCTIONAL VERSION Specifications Part Number(s) Feasa 20-F Standard LED Analyser with 20 Fibers Feasa 10-F Standard LED Analyser with 10 Fibers Feasa 6-F Standard LED Analyser with 6 Fibers Feasa 5-F Standard LED Analyser with 5 Fibers...
  • Page 131 FEASA LED ANALYSER FUNCTIONAL VERSION Accuracy White X=± 0.01, Y = ± 0.01 @ x=0.33, y=0.33 using OH-3 Optical Head Red (630nm) ± 4nm Green (520nm) ± 2nm Blue (450nm) ± 5nm Yellow (590nm) ± 2nm These accuracy's are based on the Led Analyser being calibrated at a point in time against known set values.
  • Page 132: Warranty

    Feasa does not warrant that the operation of Feasa products will be uninterrupted or error free. If Feasa is unable, within a reasonable time, to repair or replace any product to a condition as warranted, customer will be entitled to a refund of the purchase price upon prompt return of the product to Feasa.

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