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Feasa ICT Series User Manual

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FEASA LED ANALYSER
ICT VERSION
User Manual for Feasa ICT Models
Feasa Enterprises Ltd,
Holland Road,
National Technology Park,
Castletroy, Limerick, Ireland.
www.feasa.ie
Email: sales@feasa.ie
Rev. 7.5 ICT Version
Date: May 2019
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  • Page 1 FEASA LED ANALYSER ICT VERSION User Manual for Feasa ICT Models Feasa Enterprises Ltd, Holland Road, National Technology Park, Castletroy, Limerick, Ireland. www.feasa.ie Email: sales@feasa.ie Rev. 7.5 ICT Version Date: May 2019...
  • Page 2 This manual is written for the Feasa In Circuit Test (ICT) Led Analysers. The model numbers are Feasa x-I and the Feasa x-IB (where x is the no. of fibers either 2, 3, 5, 6, 10, 20). The Feasa 20-I is a standard 20 channel unit which will test up to 20 LEDs while the Feasa 3-I is a standard 3 channel unit testing up to 3 LED's.

  • Page 3: Table Of Contents

    FEASA LED ANALYSER ICT VERSION Table of Contents Introduction............................6 IMPORTANT INFORMATION for Programmers................7 Colour and Saturation...........................8 Intensity..............................10 White LED's............................12 Setting Tolerance Limits for Colour and Intensity................13 Physical Layout..........................14 In-Circuit Test Mode...........................15 Frequency Out Port Protocol.....................16 ICT Connector Pin-out......................17 ICT Connector Pin Descriptions....................18...
  • Page 4 FEASA LED ANALYSER ICT VERSION AUTO CAPTUREPWM - Capture PWM LED Data...............63 MANUAL CAPTURE - Capture PWM LED Data for a specific range........64 CAPTUREMULTI - Multiple Capture Command..............65 Get Data Commands........................66 Under Range Condition.........................66 Over Range Condition........................66 Incorrect Capture Mode.........................66 getRGBI## - Get RGB and Intensity for a LED...............67...
  • Page 5 FEASA LED ANALYSER ICT VERSION setcalibration# - Select the user cal setting................104 ResetUserCal - Reset the usercal setting to factory default............105 SetCalibrationDateddmmyyyy - Set the user Cal Date............106 getcalibrationdate Get the Calibration Date set by the user............107 External Capture Mode........................108 Sequence Capture Mode:........................110...

  • Page 6: Introduction

    ICT VERSION Introduction The Feasa LED Analyser is an instrument that tests the HSI (Hue, Saturation, Intensity), RGB (Red, Green, Blue Colour content), xyChromaticity, Dominant Wavelength and cct colour temperature of Light Emitting Diodes (LEDs) in a test process. An individual Led Analyser can have up to 20* flexible Fiber-Optic Light Guides which are mounted individually over the LEDs to be tested.

  • Page 7: Important Information For Programmers

    FEASA LED ANALYSER ICT 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

    FEASA LED ANALYSER ICT VERSION Colour and Saturation Figure 1: Hue (colour) Wheel 0º GREEN 120º BLUE 240º Colours can represented by a 360° degree circular Colour wheel. The three Primary RGB values can also be represented as a single value called Hue.
  • Page 9 FEASA LED ANALYSER ICT 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 8 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 ICT VERSION Figure 3b. Intensity for the LED Analyser in LINEAR Mode...

  • Page 12: White Led's

    FEASA LED ANALYSER ICT 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 13: Setting Tolerance Limits For Colour And Intensity

    60000 65000 56000 Bright LED, Auto capture use is OK Note:- the Intensity Value will depend on the Range selected Note:- Feasa recommends setting the Capture Range to give Intensity Values of 55K to 85K. Figure 5. Back to Index...

  • Page 14: Physical Layout

    100mm Figure 6b (Feasa 2-I, 3-I, 5-I, 6-I, 10-I, 2-IB, 3-IB, 5-IB, 6-IB, 10-IB) Figure 6a shows the physical layout of the Feasa 20-I & Feasa 20-IB Analyser's The fibers are labelled 1–20. Figure 6b shows the physical layout of the Feasa 10-I & 10-IB Analyser's The Fibers are labeled 1-10.

  • Page 15: In-Circuit Test Mode

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode In-Circuit Test Mode In addition to the RS232 Serial Port Communications the Led Analyser provides a Port for In- Circuit Testing. There are two methods that can be used with this Interface. The first method uses frequencies to represent the data for each LED.

  • Page 16: Frequency Out Port Protocol

    FEASA LED ANALYSER ICT VERSION Frequency Out Port Protocol This method is based on extracting LED data from the frequency of square wave output signals. There are three separate outputs and depending on the mode selected the frequency out represents – one each for Colour, Saturation and Intensity in HSI mode, one each for Dominant Wavelength, Saturation, Intensity in WSI mode and one each for x chromaticity, y chromaticity, Intensity in xyI mode.

  • Page 17: Ict Connector Pin-Out

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode ICT Connector Pin-out The ICT Port consists of a 20-way connector which includes all the signals necessary to interface with the LED Analyser. These pins are shown in Figure 8. Type Name...

  • Page 18: Ict Connector Pin Descriptions

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode ICT Connector Pin Descriptions Reset Pin 5 This input resets the LED Analyser and is active low. When /Reset goes high the Analyser starts operating in normal mode. Output Enable (/OE) Pin 6 This input enables the Frequency Output Buffers when driven low.

  • Page 19: Ict Logic Levels & Cycle Times

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode ICT Connector Pin Descriptions Cont'd VCC Pin 19 This is the Voltage supply pin to the Analyser. The power requirements are 5V DC at 180mA. GND Pins 4, 20 These are the ground pins for the Analyser.

  • Page 20: Hue And Saturation Frequencies

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Hue and Saturation Frequencies A list of typical Colour and Saturation frequencies for different LED's is shown in Figure 9. These values can be used initially to set up test limits in a Test Program.

  • Page 21: Hue And Saturation Responses

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Hue and Saturation Responses HUE vs Frequency 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 Figure 10. LED Saturation (Whiteness) Frequency 100000 80000 60000 40000 20000 1000 Pure White Pure Colour Figure 11.

  • Page 22: In-Circuit Test Frequency Mode

    PWM Leds are captured in the same manner except pin 8 is driven Low. For Very Bright Leds the Feasa x-IB High Brightness Analyser is recommended. Figure 12 shows all the addresses that can be input to the LED Analyser and the function of each address.
  • Page 23 FEASA LED ANALYSER ICT VERSION ADDRESS LED Analyser Function 0000 Capture & Capture PWM using the Automatic Range 0001 Address of Fiber 1 0010 Address of Fiber 2 0011 Address of Fiber 3 0100 Address of Fiber 4 0101 Address of Fiber 5...

  • Page 24: Initialize The Led Analyser For Capture

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Initialize the LED Analyser for Capture This function will initialize the LED Analyser and make it ready to capture new LED Test data. This function should be executed before each capture cycle.

  • Page 25: Set The Sensitivity Level Of The Analyser (Setfactor)

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Set the Sensitivity Level of the Analyser (setfactor) The Sensitivity of the Analyser can be adjusted to allow longer exposure times. This is useful when testing dim LED's. There are 15 adjustment steps numbered 1 – 15.

  • Page 26: Capture Led Data (Hsi Or Wsi Or Xyi) Non Pwm Led's

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Capture LED Data (HSI or WSI or xyI) non PWM LED's This function will capture the Colour, Saturation and Intensity of all the LED's and store this data in memory ready for output. The timing for this function is shown in Figure 14a.

  • Page 27: Capture Led Data (Hsi Or Wsi Or Xyi) Pwm Led's

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Capture LED Data (HSI or WSI or xyI) PWM LED's This function will capture the Frequency Data of all the LED's that are controlled by Pulse Width Modulation (PWM) and store this data in memory ready for output. PWM LED's are switched on and off rapidly to control the LED Intensity.

  • Page 28: Test Led Data (Hsi Or Wsi Or Xyi)

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Test LED Data (HSI or WSI or xyI) This function is used to Read Back the Colour, Saturation, Dominant Wavelength, xy Chromaticity & Intensity of a LED. Three frequencies representing these properties are output.

  • Page 29: Step-By Step Sequence For Led Analyser Auto Capture & Read Hsi Or Wsi Or Xyi

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Step-by Step Sequence for LED Analyser Auto Capture & Read HSI or WSI or xyI Ensure the Led Analyser is in the correct Frequency mode prior to test. Using command getictstatus. 1. /Reset /Initialize Function Initialize all inputs to the following logic levels set Reset to "1"...
  • Page 30 FEASA LED ANALYSER ICT VERSION set Addr_0 to "1" set Addr_1 to "0" set Addr_2 to "0" set Addr_3 to "0" set Addr_4 to "0" ! Select Fiber 01 set WE_bar to "0" Wait for RyBy_bar to go to Logic "1"...

  • Page 31: Capture Times Ict Mode - Non Pwm Leds

    FEASA LED ANALYSER ICT VERSION In-Circuit Test Mode Capture Times ICT Mode – non PWM Leds The Capture Time for each range is outlined on the following Table. Range Capture Time Range 1 low 650ms Range 2 medium 200ms Range 3 high...

  • Page 32: In Circuit Test Synchronous Serial Mode

    The LED Analyser can be controlled using a Synchronous Serial bus, through which commands can be sent and the results read back for testing LED's. The Feasa ICT Analyser is shipped with Synchronous Serial Mode enabled. This can be verified using the command getictstatus.

  • Page 33: Synchronous Serial Pin Descriptions

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Synchronous Serial Pin Descriptions Serial Out Pin 1 This is the Synchronous Serial Data output pin. The Synchronous Serial is a 5-pin data bus designed for high-speed data transfer between the LED Analyser and the controlling computer.

  • Page 34: Synchronous Serial Commands

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Synchronous Serial Commands The following table lists the commands that can be executed through the Synchronous Serial Port. All data transmitted and received is in a binary format. The Most Significant Bit (MSB) is transmitted/received first.

  • Page 35: Clear Comms Buffer

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Clear Comms Buffer This command will clear the Communications Buffer of the Synchronous Serial Port of any data bits. The sequence for this command is shown in Figure 20. Binary 11111111 (0xFF) is clocked into the LED Analyser while the Addr0/LA_Select signal is held low.

  • Page 36: Initialize The Led Analyser

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Initialize the LED Analyser This command will initialize the LED Analyser and make it ready for a Capture command. sequence for this command is shown in Figure 21. Binary 10101010 (0xAA) is clocked into the LED Analyser while the Addr0/LA_Select signal is held high.

  • Page 37: Set The Sensitivity Factor (Setfactor)

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Set the Sensitivity Factor (setfactor) The Sensitivity of the Analyser can be adjusted to allow longer exposure times. This is useful when testing dim LED's. There are 15 adjustment steps numbered 1 – 15.

  • Page 38: Capture For Non-Pwm Led's

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Capture for non-PWM LED's This command will instruct the LED Analyser to capture and store all the LED Colour, Saturation and Intensity data. There are six Intensity ranges that can be specified to get the best results from the test.
  • Page 39 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Capture Command Timing Transmit Command Code to LED Analyser Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 LA Select Figure 23. Receive Status Code from LED Analyser...

  • Page 40: Step-By Step Sequence For Led Analyser Capture Non-Pwm Led's

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence for LED Analyser Capture non-PWM LED's 1.Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear Comms Buffer - Set Data_In to 1 - Set Clock_in to 1 and 0 repeat [8] times to clock in each bit 3.

  • Page 41: Capture Times Synchronous Mode - Non Pwm Leds

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence for LED Analyser Capture con'td 11. Receive Response - Set Clock_in to 1 and 0 repeat [8] times to clock in each bit - Read back 8 bits after each falling edge of the clock - (0xD5 is positive response and 0xEE is error response) 12.

  • Page 42: Capture For Pwm Led's

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Capture for PWM LED's Pulse-Width-Modulated(PWM) LED's are switched on and off rapidly to save power and to control Intensity. The Analyser contains a special set of commands for testing PWM LED's. There are five Intensity ranges that can be specified to get the best results from the test.

  • Page 43: Step-By-Step Sequence For Led Analyser Capture For Pwm Led's

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by-Step Sequence for LED Analyser Capture for PWM LED's 1. Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear Comms Buffer...

  • Page 44: Capture Times Synchronous Mode - Pwm Leds

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode 10. Check that RyBy_bar is high 11. Check that RyBy_bar goes low after the capture time 12. Send the Capture Status command (0xBB) - Set Data_in to (0XBB) (10111011) - Set Clock_in to 1 and 0 repeat [8] times to clock in each bit 13.

  • Page 45: Read Hue, Saturation And Intensity (Hsi)

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Read Hue, Saturation and Intensity (HSI) This command will instruct the LED Analyser to output the Hue, Saturation and Intensity of a LED. All the LED data should have been previously captured.
  • Page 46 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence to Read Hue, Saturation and Intensity (HSI) 1. Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear the Comms Buffer...

  • Page 47: Read Rgb And Intensity (Rgbi)

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Read RGB and Intensity (RGBI) This command will instruct the LED Analyser to output the RGB colour and Intensity of a LED. All the LED data should have been previously captured. The code for this command is 0x30 – this must be transmitted to the LED Analyser followed by the Fiber Number of the LED to be tested.
  • Page 48 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence to Read RGB and Intensity (RGBI) 1. Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear the Comms Buffer...

  • Page 49: Dominant Wavelength (W)

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Dominant Wavelength (W) This command will instruct the LED Analyser to output the Dominant Wavelength of a LED. the LED data should have been previously captured. The code for this command is 0x70 – this must be transmitted to the LED Analyser followed by the Fiber Number of the LED to be tested.
  • Page 50 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence to Read Dominant Wavelength (W) Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear the Comms Buffer - Set Data_In to 1 - Set Clock_in to 1 and 0 [8] times to clock in each bit 3.

  • Page 51: Wavelength & Saturation & Intensity (Wsi)

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Wavelength & Saturation & Intensity (WSI) This command will instruct the LED Analyser to output the Wavelength, Saturation and Intensity of a LED. All the LED data should have been previously captured.
  • Page 52 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence to Read Wavelength, Saturation, Intensity (WSI) Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear the Comms Buffer...

  • Page 53: Colour Temperature (Cct)

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode colour Temperature (cct) This command will instruct the LED Analyser to output the colour temperature of a LED. the LED data should have been previously captured. The code for this command is 0x60 – this must be transmitted to the LED Analyser followed by the Fiber Number of the LED to be tested.
  • Page 54 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence to Read colour Temperature (cct) Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear the Comms Buffer - Set Data_In to 1 - Set Clock_in to 1 and 0 [8] times to clock in each bit 3.

  • Page 55: X- Chromaticity, Y-Chromaticity & Intensity (Xyi)

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode x- chromaticity, y-chromaticity & Intensity (xyi) This command will instruct the LED Analyser to output the xy and Intensity of a LED. All the LED data should have been previously captured. The code for this command is 0x50 – this must be transmitted to the LED Analyser followed by the Fiber Number of the LED to be tested.
  • Page 56 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence to Read xy & Intensity (xyi) Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear the Comms Buffer...

  • Page 57: Absolute Intensity

    FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Absolute Intensity This command will instruct the LED Analyser to output the Absolute Intensity of a LED. All the LED data should have been previously captured. The code for this command is 0x80 – this must be transmitted to the LED Analyser followed by the Fiber Number of the LED to be tested.
  • Page 58 FEASA LED ANALYSER ICT VERSION Synchronous Serial Mode Step-by Step Sequence to Read Absolute Intensity Initialize the board - Set Addr0/LA_Select = 0 - Set Clock_in = 0 - Set Data_in to 0 2. Clear the Comms Buffer - Set Data_In to 1 - Set Clock_in to 1 and 0 [8] times to clock in each bit 3.

  • Page 59: Serial Port Control (Rs232)

    FEASA LED ANALYSER ICT 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). 5V DC @ 200mA Power must be supplied to Pins 19 and 20 of the 20-way Connector.

  • Page 60: 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 61: Auto Capture - Store Led Data

    FEASA LED ANALYSER ICT VERSION Capture Mode AUTO CAPTURE - Store LED Data Transmit Receive capture Description This Auto Range Capture command instructs the LED Analyser to capture and store the data of all the LED's positioned under the fibers.

  • Page 62: 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 63: Auto Capturepwm - Capture Pwm Led Data

    FEASA LED ANALYSER ICT VERSION Capture Mode AUTO CAPTUREPWM - Capture PWM LED Data Transmit Receive capturepwm cpwm Description Pulse-Width-Modulated(PWM) LED's are switched on and off rapidly to save power and to control Intensity. The Analyser automatically determines the correct settings required to execute the test.

  • Page 64: Manual Capture - Capture Pwm Led Data For A Specific Range

    (i.e. the PC). capture1pwm10 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 65: Capturemulti - Multiple Capture Command

    FEASA LED ANALYSER ICT VERSION Capture Mode CAPTUREMULTI - Multiple Capture Command Transmit Receive setrange@@# putrange@@# getrange@@ capturemulti Where: represents the fiber number in the range 01 – 20. represents the capture range 0 - 5 Description capturemulti command will capture the LED data for the specified fiber at the specified range.

  • Page 66: Get Data Commands

    FEASA LED ANALYSER ICT 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 67: Getrgbi## - Get Rgb And Intensity For A Led

    FEASA LED ANALYSER ICT VERSION Get Data Mode getRGBI## - Get RGB and Intensity for a LED Transmit Receive getrgbi## iiiii getrgbiall Where: ## represents the Fiber Number and is a number in the range 01 – 20. are the red,...

  • Page 68: Gethsi## - Get Hue, Saturation And Intensity

    FEASA LED ANALYSER ICT VERSION Get Data Mode getHSI## - Get Hue, Saturation and Intensity Transmit Receive gethsi## hhh.hh sss iiiii gethsiall Where: ## represents the Fiber Number and is a number in the range 01 – 20. hhh.hh represents the Hue (colour) and is a number in the range 0.00 – 360.00.

  • Page 69: Getxy## - Return The Xy Chromaticity Values

    FEASA LED ANALYSER ICT VERSION Get Data Mode getxy## - Return the xy Chromaticity values Transmit Receive getxy## 0.xxxx 0.yyyy getxyall Where: represents the Fiber Number and is a number in the range 01 – 20. 0.xxxx represents the x Chromaticity value 0.yyyy...

  • Page 70: Getxyi## - Return The Xy Chromaticity & Relative Intensity Values

    FEASA LED ANALYSER ICT VERSION Get Data Mode getxyi## Return the xy Chromaticity & Relative Intensity values Transmit Receive getxyi## 0.xxxx 0.yyyy IIIII getxyiall Where: represents the Fiber Number and is a number in the range 01 – 20. 0.xxxx represents the x Chromaticity value 0.yyyy...

  • Page 71: Getxoffset## - Return The X Chromaticity Offset

    FEASA LED ANALYSER ICT VERSION Get Data 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 72: Getyoffset## - Return The Y Chromaticity Offset

    FEASA LED ANALYSER ICT VERSION Get Data 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 73: Getuv## - Return The U'v' Chromaticity Values

    FEASA LED ANALYSER ICT VERSION Get Data Mode getUV## - Return the u'v' Chromaticity values Transmit Receive getuv## 0.uuuu 0.vvvv getuvall Where: represents the Fiber Number and is a number in the range 01 – 20. 0.uuuu represents the u Chromaticity value 0.vvvv...

  • Page 74: Getwavelength## - Get The Dominant Wavelength

    FEASA LED ANALYSER ICT VERSION Get Data Mode getWAVELENGTH## - Get the Dominant Wavelength Transmit Receive getwavelength## getwavelengthall Where: represents the Fiber Number and is a number in the range 1 – 20. represents the dominant wavelength of the LED in nanometers.

  • Page 75: Getwavelengthoffset@@ - Get The Dominant Wavelength Offset

    FEASA LED ANALYSER ICT VERSION Get Data 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 76: Getwi## - Get The Dominant Wavelength & Intensity

    FEASA LED ANALYSER ICT VERSION Get Data Mode getWI## - Get the Dominant Wavelength & Intensity Transmit Receive getwi## XXX YYYYY getwiall Where: represents the Fiber Number and is a number in the range 1 – 20. represents the dominant wavelength of the LED in nanometers.

  • Page 77: Getwsi## - Get The Dominant Wavelength, Saturation & Intensity

    FEASA LED ANALYSER ICT VERSION Get Data Mode getWSI## Get the Dominant Wavelength, Saturation & Intensity Transmit Receive getwsi## XXX SSS YYYYY getwsiall Where: represents the Fiber Number and is a number in the range 1 – 20. represents the dominant wavelength of the LED in nanometers.

  • Page 78: Getcct## - Get The Correlated Colour Temperature

    FEASA LED ANALYSER ICT VERSION Get Data Mode getCCT## - Get the Correlated Colour Temperature Transmit Receive getcct## ccccc +/-d.dddd getcctall Where: represents the Fiber Number and is a number in the range 1 – 20. ccccc represents the Correlated Colour Temperature of the LED.

  • Page 79: Getintensity## - Get The Intensity

    FEASA LED ANALYSER ICT VERSION Get Data Mode getINTENSITY## - Get the Intensity Transmit Receive getintensity## iiiii getintensityall Where: represents the Fiber Number and is a number in the range 01 – 20. iiiii represents the intensity value of the LED under fiber ##.

  • Page 80: Getintgain## - Get The Intensity Gain Factor

    FEASA LED ANALYSER ICT VERSION Get Data 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 81: Getfactor - Get The Exposure Factor

    FEASA LED ANALYSER ICT VERSION Get Data Mode getFACTOR - Get the exposure Factor Transmit Receive getfactor Where: represents the exposure factor value. The default value is 01. Description This command is used to get the exposure factor value for all Fibers.

  • Page 82: Get7Seg# - Get The Value Of A 7 Segment

    FEASA LED ANALYSER ICT 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 83: Getabsint@@ - Get The Absolute Intensity Value Of The Led Under Test

    This command will allow the user to interrogate the Led Analyser to return the absolute Intensity Value for the Led under test at Fiber@@. This command should only be used in conjunction with the Feasa LED Spectrometer. Absolute Intensity values must first be measured with the Spectrometer.

  • Page 84: 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 85: General Commands

    FEASA LED ANALYSER ICT VERSION General Commands General Set 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. The Set commands are written to the on-board Flash.

  • Page 86: Set/Putfactor## - Set The Exposure Factor

    FEASA LED ANALYSER ICT 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 87: Set/Putlog - Change The Intensity Response Of The Analyser To Logarithmic Mode

    FEASA LED ANALYSER ICT 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 88: Set/Putlin - Change The Intensity Response Of The Analyser To Linear Mode

    FEASA LED ANALYSER ICT 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 89: Set/Putintgain - Set The Intensity Gainfactor

    FEASA LED ANALYSER ICT 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 90 FEASA LED ANALYSER ICT 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 91: Set/Putyoffset##0.Xxx - Set The X Chromaticity Offset

    FEASA LED ANALYSER ICT VERSION User Calibration Mode set/putYOFFSET##0.xxx - Set the x 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 x Chromaticity offset value (±0.000 – 0.300).

  • Page 92: Offset

    FEASA LED ANALYSER ICT 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 93: 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. Example: To change the baud rate to 19,200 transmit the command setbaud19200 to the Analyser .

  • Page 94: 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 95: Setfrequencyxxx - Set The Frequency Output Mode Of The Analyser

    FEASA LED ANALYSER ICT VERSION Set Data Mode setFREQUENCYxxx - Set the Frequency Output Mode of the Analyser Transmit Receive SetFrequencyxxx Where: represents the Frequency Measuring mode of the Analyser at ICT represents the Hue, Saturation & Intensity mode. represents the Xchromaticity, yChromaticity & Intensity mode.

  • Page 96: General Get Commands

    FEASA LED ANALYSER ICT VERSION General Commands General Get Commands getSERIAL Get the Serial Number of the Analyser Transmit Receive getSerial xxxx Where: xxxx is an alphanumeric value. 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 97: Getversion - Get The Firmware Version

    FEASA LED ANALYSER ICT VERSION General Commands getVERSION - Get the Firmware Version Transmit Receive getVersion xxxx Where: xxxx is an alphanumeric value. Description This command will return the Version Number of the firmware in the Analyser. Example: The PC transmits getversion to the LED Analyser an it will return xxxx to the PC.

  • Page 98: 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 99: 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-I Back to Index...

  • Page 100: Getstatus - Get A Summary Of The Led Analyser Details

    FEASA LED ANALYSER ICT VERSION General Commands getSTATUS - Get a summary of the Led Analyser details Transmit Receive getstatus See details below Information Received back from the Analyser: Hardware: Feasa xx-y Serial number : Xyyy Firmware Version : Iyyy...

  • Page 101: Getictstatus - Get The Led Analyser Ict Mode Details

    FEASA LED ANALYSER ICT VERSION General Commands getICTSTATUS - Get the Led Analyser ICT Mode details Transmit Receive getictstatus See details below The Led Analyser is shipped from the factory with the Frequency out mode set to HSI active and the Sync Serial Mode also set to active.

  • Page 102: 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 103: User Calibration Mode

    FEASA LED ANALYSER ICT VERSION User Calibration Mode User Calibration Mode Introduction: The user calibration mode function allows the up to 10 (0 to 9) different calibration sets to be simultaneously stored on the Led Analyser. The Analyser is shipped from the factory in set mode 0.

  • Page 104: Setcalibration# - Select The User Cal Setting

    FEASA LED ANALYSER ICT VERSION User Calibration Mode setcalibration# - Select the user cal setting Transmit Receive setcalibration# putcalibration# Where: represents the set value (## can be 0 to 9). Description This command will select which calibration set you are accessing. The Led analyser is capable of storing ten (10) separate user Calibration sets on the board.

  • Page 105: Resetusercal - Reset The Usercal Setting To Factory Default

    FEASA LED ANALYSER ICT VERSION User Calibration Mode ResetUserCal - Reset the usercal setting to factory default Transmit Receive resetusercal Description This command will reset the calibration set back to factory default values. The Led analyser is capable of storing ten (00-09) separate user Calibration sets on the board. Each one must be reset seperately.

  • Page 106: Setcalibrationdateddmmyyyy - Set The User Cal Date

    FEASA LED ANALYSER ICT VERSION User Calibration Mode SetCalibrationDateddmmyyyy - Set the user Cal Date Transmit Receive Setcalibrationdateddmmyyyy Where: represents the Day represents the Month yyyy represents a 4 digit Year. Description This command allows the user to input the Calibration Date for the Led Analyser. This command is used in conjunction with the user calibration set mode.

  • Page 107: Getcalibrationdate Get The Calibration Date Set By The User

    FEASA LED ANALYSER ICT 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 108: External Capture Mode

    External Capture Mode External Capture Mode There is an external capture function triggered by an external transition on the Feasa ICT units. A falling edge on the pin 7 of the ICT connector will trigger a capture on the Led Analyser.
  • Page 109 FEASA LED ANALYSER ICT VERSION External Capture Mode “SETEXTERNALOUTPUTCCTI”: CCT, Duv and intensity are reported for all the fibres automatically after an external trigger has been applied: 01 ccccc +0.dddd iiiii 02 ccccc +0.dddd iiiii … 20 ccccc +0.dddd iiiii “SETEXTERNALOUTPUTWI”: Dominant Wavelength and Intensity are reported for all the fibres...

  • Page 110: Sequence Capture Mode

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 111: Set/Put Sequencemode# - Set Sequence Mode For Fibers

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 112: Set/Put Sequencechannel@@ - Select Sequence Mode Fiber No

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 113: Set/Put Sequencecapture##(#) - Set Sequence Capture Time

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 114: Set/Put Sequencewait##(#) - Set Sequence Wait Time

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 115: Set/Put Sequencenumber###(#) - Set The Number Of Captures

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 116: Set/Put Sequencethreshold##### - Set The Intensity Threshold

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 117: Set/Put Sequencestartdelay### - Set Delay In Ms Before Sequencecapture Starts

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 118: Capturesequence - Start The Captures

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 119: Storesequence## - Store The Sequence Pattern

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 120: Identifysequence - Identify The Current Sequence Pattern

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 121: Resetsequence## - Reset A Sequence Pattern

    FEASA LED ANALYSER ICT VERSION Capture Sequence Mode ResetSequence## - Reset a sequence pattern Transmit Receive resetsequence## Where: represents the number of a sequence pattern and is a value in the range 00 - 20. Description This command resets the sequence pattern number ##. The pattern is identified by a number in the range 00 –...

  • Page 122: Resetsequenceall - Reset All Sequence Patterns

    FEASA LED ANALYSER ICT VERSION Capture Sequence Mode ResetSequenceAll - Reset all sequence patterns Transmit Receive resetsequenceall Where: represents the all sequence patterns stores in the Analyser. (max 21 patterns) Description This command resets all sequence pattern numbers. Up to 21 patterns can be stored.

  • Page 123: Getsequencestored## - Get A Sequence Pattern

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 124: Getsequence@@ - Get The Binary Sequence Of Intensities

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 125: Getsequencetimes@@- Get The Duty Cycle Of The Sequence

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 126: Getsequencetimesall - Get The Duty Cycle Of The Sequence For All Fibers

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 127: Getfrequency## - Returns The Frequency And Duty Cycle Of Led

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 128: Getmax(Min)Intensity## - Returns The Max Or Min Intensity For The Seq Cap

    FEASA LED ANALYSER ICT VERSION Capture Sequence Mode GetMax(Min)Intensity## - Returns the Max or Min Intensity for the Seq Cap. Transmit Receive getmaxintensity## iiiii getminintensity## iiiii Where: represents the Fiber Number and is a value in the range 01 – 20.

  • Page 129: Getflicker## - Returns The Flicker Index And Frequency After A Seq Cap

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 130: Getsequencemode# - Get Sequence Mode For Fibers

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 131: Getsequencechannel## - Select Sequence Mode Fiber No

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 132: Getsequencecapture - Get Sequence Capture Time

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 133: Getsequencewait - Get Sequence Wait Time

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 134: Getsequencenumber - Get The Number Of Captures

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 135: Getsequencethreshold - Get The Intensity Threshold

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 136: Getsequencestartdelay - Get The Delay Before The Cs Command

    FEASA LED ANALYSER ICT VERSION Capture Sequence 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 137: Capture Sequence Sync Serial Commands

    FEASA LED ANALYSER ICT VERSION Capture Sequence Mode Capture Sequence Sync Serial Commands The following table lists the sequence capture commands that can be executed through the Synchronous Serial Port. These commands are in addition to the Synchronous Serial described above in the Synchronous Serial Section All data transmitted and received is in a binary format.

  • Page 138: Step-By-Step Approach To Testing A Led

    FEASA LED ANALYSER ICT 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: 1. Ensure that the LEDs to be Tested are turned on and that the fibers are centered over the LEDs.

  • Page 139: Effect Of Pwm On Intensity Testing

    FEASA LED ANALYSER ICT 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 140: Step-By-Step Approach To Testing A Pwm Led

    FEASA LED ANALYSER ICT 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 141: Testing A 7-Segment Display

    FEASA LED ANALYSER ICT 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 142: Command Summary

    FEASA LED ANALYSER ICT 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 143 FEASA LED ANALYSER ICT VERSION Command Summary: COMMAND DESCRIPTION setBAUD Set the baud rate of the Serial Port SetLOG Set the Intensity Response to Logarithmic Mode set LIN Set the Intensity Response to Linear Mode setFACTOR## Set the Sensitivity Level of the Led Analyser...

  • Page 144: Specifications

    FEASA LED ANALYSER ICT VERSION Specifications Part Number(s) Feasa 20-I LED Analyser with 20 Fibers Feasa 10-I LED Analyser with 10 Fibers Feasa 6-I LED analyser with 6 Fibers Feasa 5-I LED Analyser with 5 Fibers Feasa 3-I LED Analyser with 3 Fibers...

  • Page 145: 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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