Feasa 20-F

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FEASA LED ANALYSER

FUNCTIONAL VERSION

Figure 3b. Intensity for the LED Analyser in LINEAR Mode

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Table of Contents3
Introduction6
IMPORTANT INFORMATION for Programmers7
Colour and Saturation8
Intensity10
Photopic Response12
White Led's13
Setting Tolerance Limits for Colour and Intensity14
Physical Layout15
USB Port Control15
Serial Port Control (RS232)16
Trigger Port Control17
- Capture Commands18
Get Data Commands24
- Under Range Condition24
- Over Range Condition24
- Incorrect Capture Mode24
- Getrgbi## - Get RGB and Intensity for a LED25
- Gethsi## - Get Hue, Saturation and Intensity26
- Getxy## - Return the Xy Chromaticity Values27
- Getxyi## - Return the Xy Chromaticity & Relative Intensity Values28
- Getciexyz## - Return the CIE 1931 XYZ Colour Values29
- Getuv## - Return the U'V' Chromaticity Values30
- Getwavelength## - Get the Dominant Wavelength31
- Getwi## - Get the Dominant Wavelength & Intensity32
- Getwsi## - Get the Dominant Wavelength, Saturation & Intensity33
- Getcct## - Get the Correlated Colour Temperature34
- Getintensity## - Get the Relative Intensity35
- Getabsint@@ Get the Absolute Intensity Value of the Led under Test36
- Getsignallevel## - Get the Relative Intensity in a Percentage of the Range37
- Getfactor - Get the Exposure Factor38
- Get7Seg# - Get the Value of a 7 Segment Display39
- Getautopwm - Get Which Auto Capture Mode Is Active C or CPWM40
- Getintensitymode - Get Which Intensity Mode Is Active Logarithmic or Linear41
- Getphotopic - Get Which Photopic Mode Is Active42
- Getbaud- Get the Baud Rate43
- Gethw - Get the Hardware Version44
- Getstatus - Get a Summary of the Led Analyser Details45
- Getserial Get the Serial Number of the Analyser46
- Getversion - Get the Firmware Version47
- EOT - End of Transmission Character48
General Set/Put Commands49
- Set/Putfactor## - Set the Exposure Factor50
- Set/Putlog - Change the Intensity Response of the Analyser to Logarithmic Mode51
- Set/Putlin - Change the Intensity Response of the Analyser to Linear Mode52
- Setbaud - Change the Baud Rate53
- Setautopwm# - Change the Auto Capture Mode to Auto PWM Mode54
- S Et PHOTOPIC - Set Which Photopic Mode You Require55
User Calibration Mode56
- Introduction56
- Usercal Manual Procedure57
- Set/Putintgain - Set the Intensity Gainfactor58
- Getintgain## - Get the Intensity Gain Factor59
- Set/Putxoffset##0.XXX - Set the X Chromaticity Offset60
- Set/Putyoffset##0.XXX - Set the y Chromaticity Offset61
- Getxoffset## - Return the X Chromaticity Offset62
- Getyoffset## - Return the y Chromaticity Offset63
- Set/Putwavelengthoffset@@±## - Set the Wavelength Offset64
- Getwavelengthoffset@@ - Get the Dominant Wavelength Offset65
- Set/Putabsintmult@@ - Set the Absolute Intensity Multiplier Factor66
- Getabsintmult@@ Get the Absolute Intensity Correction Factor of the Led under Test67
- Setcalibration## - Select the Calibration Set to Use68
- Getcalibrationset - Select the Calibration Set to Use69
- Resetusercal##- Reset the Standard Usercal Setting to Factory Default70
- Resetrgbm - Reset the RGB Usercal Setting to Factory Default71
- Setcalibrationdateddmmyyyy - Set the User Cal Date72
- Getcalibrationdate Get the Calibration Date Set by the User73
User Calibration for RGB Leds74
External Trigger Mode75
- External Trigger Method75
Sequence Capture Mode76
- Introduction76
- Capture Sequence Procedure77
- Set/Put Sequencemode# - Set Sequence Mode for Fibers78
- Set/Put Sequencechannel@@ - Select Sequence Mode Fiber no79
- Set/Put Sequencecapture##(#) - Set Sequence Capture Time80
- Set/Put Sequencewait##(#) - Set Sequence Wait Time81
- Set/Put Sequencenumber###(#) - Set the Number of Captures82
- Set/Put Sequencethreshold##### - Set the Intensity Threshold83
- Set/Put Sequencestartdelay### - Set Delay in Ms before Sequencecapture Starts84
- Capturesequence - Start the Captures85
- Storesequence## - Store the Sequence Pattern86
- Identifysequence - Identify the Current Sequence Pattern87
- Resetsequence## - Reset a Sequence Pattern88
- Getsequencestored## - Get a Sequence Pattern89
- Getsequence@@ - Get the Binary Sequence of Intensities90
- Getsequencetimes@@- Get the Duty Cycle of the Sequence91
- Getsequencetimesall - Get the Duty Cycle of the Sequence for All Fibers92
- Getfrequency## - Returns the Frequency and Duty Cycle of Led93
- Get(Max/Min/Avg)Intensity## - Returns the Max/Min or Avg Intensity for the Seq Cap94
- Getflicker## - Returns the Flicker Index and Frequency after a Seq Cap95
- Getsequencemode# - Get Sequence Mode for Fibers96
- Getsequencechannel - Select Sequence Mode Fiber no97
- Getsequencecapture - Get Sequence Capture Time98
- Getsequencewait - Get Sequence Wait Time99
- Getsequencenumber - Get the Number of Captures100
- Getsequencethreshold - Get the Intensity Threshold101
- Getsequencestartdelay - Get the Delay before the CS Command102
Daisy Chain Mode103
- Daisy Chain USB Wiring Method103
- Daisy Chain Serial RS232 Wiring Method104
- Daisy Chain Baudrate105
- Daisy Chain Identification105
- Busfree - Deactivate any Active Analysers106
- Busget#### - Activate a LED Analyser107
- Busc - Initiate Capture for All LED Analyser's108
- Busc# - Initiate Capture for All LED Analyser's109
- Busc#Pwm@@ - Store PWM LED Data for a Specific Range110
- Busce#### - Poll each LED Analyser to Verify a Capture Is Complete111
- Ports Description and Wiring112
- Daisy Chain Pinout113
- Step-By-Step Method for Daisy Chaining114
- Example116
Step-By-Step Approach to Testing a LED118
Effect of PWM on Intensity Testing119
Step-By-Step Approach to Testing a PWM LED120
Testing a 7-Segment Display121
Command Summary122
Feasa Software125
- Documentation Folder125
- Feasa Terminal125
- User Software126
- Test Software127
- User Calibration128
- Programming129
Specifications130
Warranty132

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