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Feasa 3-F User Manual

Led analyser functional version
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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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Summarization of Contents

About This Manual
Introduction to the LED Analyser
Programmer Information: Set/Put Commands
Set and Put Commands
Details the use of Set and Put commands for adjusting analyser settings, distinguishing between flash and RAM storage.
Colour and Saturation Measurement
Intensity Measurement Details
Photopic Response Modes
Testing White LEDs
Setting Tolerance Limits
Physical Layout and Ports
USB Port Control and Configuration
Details connecting the Analyser via USB, power supply, and virtual COM port configuration.
Serial Port (RS232) Control
External Trigger Port Control
Capture Commands Overview
Capture Times for Static LEDs
Lists capture times for various intensity ranges (Low to Ultra) and Auto Range.
Auto Capture: Store LED Data
Manual Capture: Store LED Data for Specific Range
Capture Times for PWM LEDs
Auto Capture PWM: Store PWM LED Data
Captures and stores data for PWM LEDs, automatically determining settings for dim/bright LEDs.
Manual Capture PWM: Store PWM LED Data for Specific Range
Capture Multi: Multiple Capture Command
Get Data Commands Overview
Understanding Under Range Condition
Indicates insufficient light reaching the sensor; advises selecting a lower range.
Understanding Over Range Condition
Indicates too much light reaching the sensor; advises selecting a higher range.
Understanding Incorrect Capture Mode
Occurs with blinking light and Autorange C; suggests alternative commands or settings.
Get RGB and Intensity Data (getRGBI)
Get Hue, Saturation, and Intensity Data (getHSI)
Get xy Chromaticity Values (getxy)
Get xy Chromaticity & Relative Intensity Data (getxyi)
Get CIE 1931 XYZ Colour Values (getCIEXYZ)
Get u'v' Chromaticity Values (getUV)
Get Dominant Wavelength (getWAVELENGTH)
Get Dominant Wavelength & Intensity (getWI)
Get Dominant Wavelength, Saturation & Intensity (getWSI)
Get Correlated Colour Temperature (getCCT)
Get Relative Intensity (getINTENSITY)
Get Absolute Intensity Value (getABSINT)
Get Relative Intensity Percentage (getSIGNALLEVEL)
Get Exposure Factor (getFACTOR)
Get 7 Segment Display Value (get7SEG)
Get Auto Capture Mode Status (getAUTOPWM)
Get Intensity Mode Status (getintensitymode)
Get Photopic Mode Status (getPHOTOPIC)
Get Baud Rate Setting (getBAUD)
Get Hardware Version (getHW)
Get Analyser Status Summary (getSTATUS)
Get Serial Number (getSERIAL)
Get Firmware Version (getVERSION)
End of Transmission Character (EOT)
General Set/Put Commands Overview
Set/Put Exposure Factor (set/putFACTOR)
Set/Put Intensity to Logarithmic Mode (set/putLOG)
Set/Put Intensity to Linear Mode (set/putLIN)
Set Baud Rate (setBAUD)
Set Auto Capture to PWM Mode (setAUTOPWM)
Set Photopic Mode (setPHOTOPIC)
User Calibration Mode Overview
User Calibration Introduction
Explains the user calibration mode allowing storage of up to 51 calibration sets.
UserCal Manual Procedure Steps
Set/Put Intensity Gain Factor (set/putINTGAIN)
Get Intensity Gain Factor (getINTGAIN)
Set/Put X Chromaticity Offset (set/putXOFFSET)
Get X Chromaticity Offset (getXOFFSET)
Set/Put Y Chromaticity Offset (set/putYOFFSET)
Get Y Chromaticity Offset (getYOFFSET)
Set/Put Wavelength Offset (set/putWAVELENGTHOFFSET)
Get Wavelength Offset (getWAVELENGTHOFFSET)
Set/Put Absolute Intensity Multiplier Factor (set/putABSINTMULT)
Get Absolute Intensity Multiplier Factor (getABSINTMULT)
Select Calibration Set (setCALIBRATION)
Get Active Calibration Set (getCALIBRATIONset)
Reset User Calibration to Factory Default (ResetUserCal)
Reset RGB User Calibration (ResetRGBM)
Set User Calibration Date (SetCalibrationDate)
Get User Calibration Date (getcalibrationdate)
User Calibration Specifics for RGB LEDs
External Trigger Mode Operation
External Trigger Method Details
Details activating external trigger capture by setting capture and output modes.
Sequence Capture Mode Overview
Sequence Capture Introduction
Describes taking multiple captures in rapid succession and storing them in the Analyser.
Capture Sequence Procedure Steps
Set/Put Sequence Mode (set/putSequenceMode)
Set/Put Sequence Channel Selection (set/putSequenceChannel)
Set/Put Sequence Capture Time (set/putSequenceCapture)
Set/Put Sequence Wait Time (set/putSequenceWait)
Set/Put Sequence Number of Captures (set/putSequenceNumber)
Set/Put Sequence Intensity Threshold (set/putSequenceThreshold)
Set/Put Sequence Start Delay (set/putSequenceStartDelay)
Start Captures (CaptureSequence)
Store Sequence Pattern (StoreSequence)
Identify Current Sequence Pattern (IdentifySequence)
Reset Sequence Pattern (ResetSequence)
Retrieve Stored Sequence Pattern (GetSequenceStored)
Get Binary Intensity Sequence (GetSequence)
Get Sequence Duty Cycle (GetSequenceTimes)
Get Sequence Duty Cycle for All Fibers (GetSequenceTimesAll)
Get Frequency and Duty Cycle (GetFrequency)
Get Max/Min/Avg Intensity (Get(Max/Min/Avg)Intensity)
Get Flicker Index and Frequency (GetFlicker)
Get Sequence Mode Status (GetSequenceMode)
Get Sequence Channel Status (GetSequenceChannel)
Get Sequence Capture Time (GetSequenceCapture)
Get Sequence Wait Time (GetSequenceWait)
Get Sequence Number of Captures (GetSequenceNumber)
Get Sequence Intensity Threshold (GetSequenceThreshold)
Get Sequence Start Delay (GetSequenceStartDelay)
Daisy Chain Mode Overview
Daisy Chain USB Wiring Method
Method for communicating with multiple Analyser units using USB for daisy chaining.
Daisy Chain Serial RS232 Wiring Method
Daisy Chain Baudrate Configuration
Daisy Chain Identification Method
Identifies each Analyser using a unique 4-character Serial Number.
Deactivate Analysers in Daisy Chain (BusFree)
Activate LED Analyser in Daisy Chain (BusGet)
Initiate Global Capture in Daisy Chain (BusC)
Initiate Capture with Manual Range in Daisy Chain (BusC#)
Store PWM LED Data in Daisy Chain (BusC#pwm@@)
Poll Analysers for Capture Completion in Daisy Chain (BusCE)
Daisy Chain Ports and Wiring Diagram
Daisy Chain Connector Pinout
Step-by-Step Daisy Chaining Implementation
Step-by-Step Approach to Testing an LED
Testing an LED in Standard Capture Mode
Guides testing Colour and Intensity of up to 20 LEDs using capture and get commands.
Effect of PWM on Intensity Testing Analysis
Step-by-Step Approach to Testing a PWM LED
Testing 7-Segment Displays
Command Summary: Capture & Get Commands
Command Summary: Set/Put & Calibration Commands
Command Summary: Sequence & Trigger Commands
Feasa Software and Documentation CD
Documentation Folder Contents
Lists available software and documentation packages on the data CD.
User Software Interface Overview
Test Software Interface Overview
User Calibration Software Interface
Programming and Development Information
Product Specifications Details
Accuracy Specifications
Capture Test Times Summary
Lists capture times for Auto Range and specific intensity ranges (Low to Ultra).
Product Warranty Information

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