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Related Manuals for Feasa 10-IR
Summary of Contents for Feasa 10-IR
- Page 1 FEASA LED ANALYSER INFRA RED VERSION User Manual for Infrared Models Feasa Enterprises Ltd, Holland Road, National Technology Park, Castletroy, Limerick, Ireland. www.feasa.ie Email: sales@feasa.ie Rev. 2.5 Infra Red Version Date: Nov, 2021...
- Page 2 Infra-Red LED's only. The 20-IR model will test up to 20 LED's, the 10-IR will test up to 10 LED's and the 3-IR will test up to 3 LED's all with a Peak Wavelength range of 700nm - 950nm.
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Page 3: Table Of Contents
FEASA LED ANALYSER INFRA RED VERSION Table of Contents Important Safety Information.......................5 Introduction............................6 Intensity..............................7 Setting Tolerance Limits for Peak Wavelength and Intensity...............8 Physical Layout............................9 USB Port Control..........................9 Serial Port Control..........................10 Capture Commands..........................11 Auto CAPTURE - Store LED Peak Wavelength and Intensity Data..........12... - Page 4 FEASA LED ANALYSER INFRA RED VERSION Step-by-Step approach to Testing a PWM LED.................53 Intensity Response..........................54 Command Summary...........................55 Specifications.............................56 Warranty.............................57...
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Page 5: Important Safety Information
INFRA RED VERSION Important Safety Information When using the Feasa -IR (Glass Fiber version) Eye protection must be worn at all times when handling the Led Analyser or the Fibers. Care should be taken when handling the bare ends of the Fibers because they are composed of glass and may scratch unprotected areas. -
Page 6: Introduction
INFRA RED VERSION Introduction The Infrared Series of Feasa LED Analysers have been designed to test Infrared LED's only. The Analyser is supplied in 3, 10, 20 channel versions with Plastic Fibers 700-900nm Peak Wavelength range and Glass Fibers 700-950nm Peak Wavelength range. -
Page 7: Intensity
External Influences – Other LEDs in close proximity, Ambient Lighting. 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 50K to 90K range for the best stability. -
Page 8: Setting Tolerance Limits For Peak Wavelength And Intensity
FEASA LED ANALYSER INFRA RED VERSION Setting Tolerance Limits for Peak Wavelength and Intensity The test procedure requires the user to set the Pass/Fail limits for Peak Wavelength and Intensity for each LED which then become the standard against which LEDs to be tested are compared. -
Page 9: Physical Layout
This shows the layout of the Connectors viewed from the edge of the board. Figure 4a shows the physical layout of the Feasa x-IR / IRP Analyser Front Panels. Figure 4b shows the physical layout of the Feasa x-IR / IRP Analyser Rear Panels. -
Page 10: Serial Port Control
FEASA LED ANALYSER INFRA RED VERSION Serial Port Control 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 11: Capture Commands
Analyser:- Feasa LED Analyser Terminal and the Feasa LED Analyser Test Programs. The Feasa LED Analyser Terminal is a command line program that can be used to send commands and receive results from the Analyser. This allows the user to view the command codes and responses from the Analyser. -
Page 12: Auto Capture - Store Led Peak Wavelength And Intensity Data
FEASA LED ANALYSER INFRA RED VERSION Capture Mode Auto CAPTURE - Store LED Peak Wavelength and Intensity Data Transmit Receive Capture Description This command instructs the LED Analyser to capture and store the Peak Wavelength and Intensity of all the LED's positioned under the fibers. -
Page 13: Manual Capture# - Store Led Peak Wavelength And Intensity Data
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 14: Auto Capturepwm - Capture Pwm Led Peak Wavelength And Intensity
FEASA LED ANALYSER INFRA RED VERSION Capture Mode Auto CAPTUREPWM - Capture PWM LED Peak Wavelength and Intensity 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 15: Manual Capture#Pwm@@ - Store Led Peak Wavelength And Intensity Data Pwm Led's
OK on the receive line to the transmitting device (i.e. the PC). capture1pwm05 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 16: Get Data Commands
FEASA LED ANALYSER INFRA RED VERSION Get Data Commands The get data commands are used to read out the Peak Wavelength 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 17: Getir## - Return The Peak Wavelength And Intensity Values
FEASA LED ANALYSER INFRA RED VERSION Get Data Mode getIR## - Return the Peak Wavelength and Intensity values Transmit Receive Getir## wwww iiiii getirall Where: represents the Fiber Number and is a number in the range 01 – 20. represents the Peak Wavelength value... -
Page 18: Getwavelength## - Get The Peak Wavelength
FEASA LED ANALYSER INFRA RED VERSION Get Data Mode getWavelength## - Get the Peak Wavelength Transmit Receive Getwavelength## getwavelengthall Where: represents the Fiber Number and is a number in the range 1 – 20. represents the peak wavelength of the LED in nanometers. -
Page 19: Getintensity## - Get The Intensity
FEASA LED ANALYSER INFRA RED 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. -
Page 20: Getwi## - Get The Peak Wavelength & Intensity
FEASA LED ANALYSER INFRA RED VERSION Get Data Mode getWI## - Get the Peak Wavelength & Intensity Transmit Receive Getwi## XXX YYYYY getwiall Where: represents the Fiber Number and is a number in the range 1 – 20. represents the peak wavelength of the LED in nanometers. -
Page 21: 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 22: Getintgain - Get The Intensity Gain Factor
FEASA LED ANALYSER INFRA RED 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 23: Getfactor - Get The Exposure Factor
FEASA LED ANALYSER INFRA RED VERSION Get Data Mode getfactor - Get the exposure Factor Transmit Receive getfactor Where: represents the exposure factor value. The default value is 01. The ranges is 01 - 15 Description This command is used to get the exposure factor value for all Fibers. -
Page 24: Getwavelengthoffset@@ - Get The Peak Wavelength Offset
FEASA LED ANALYSER INFRA RED VERSION getWAVELENGTHOFFSET@@ Get the Peak 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 25: 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 26: 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-IR Feasa 20-IPR Back to Index... -
Page 27: Getstatus - Get A Summary Of The Led Analyser Details
FEASA LED ANALYSER INFRA RED VERSION General Commands getSTATUS - Get a summary of the Led Analyser details Transmit Receive getstatus See details below Information Received back from the Analyser: Serial number : Xyyy Firmware Version : Iyyy Exposure Factor : 01... -
Page 28: Getserial Get The Serial Number Of The Analyser
FEASA LED ANALYSER INFRA RED 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. -
Page 29: Getversion - Get The Firmware Version
FEASA LED ANALYSER INFRA RED 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 30: General Set Commands
FEASA LED ANALYSER INFRA RED VERSION General Set Commands General Set Commands IMPORTANT INFORMATION for Programmers set Commands The Set 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 31: Setintgain - Set The Intensity Gainfactor
FEASA LED ANALYSER INFRA RED VERSION Set Data Mode SetIntGain - Set the Intensity GainFactor Transmit Receive SetIntGain##xxx Where: represents the Fiber Number and is a number in the range 01 – 20. represents a 3 digit gain factor, default 100. -
Page 32: Setfactor## - Set The Exposure Factor
FEASA LED ANALYSER INFRA RED VERSION Set Data Mode SetFactor## - Set the Exposure Factor Transmit Receive SetFactor## Where: represents the Factor Number and is in the range 01 – 20 (default 01). Description This command allows the user to adjust the Exposure Factor for all Fibers. -
Page 33: Set Wavelengthoffset@@±## - Set The Wavelength Offset
FEASA LED ANALYSER INFRA RED VERSION Set Data Mode set WAVELENGTHOFFSET@@±## Set the wavelength Offset Transmit Receive setwavelengthoffset##±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 34 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.
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Page 35: 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 Feasa Analyser units to save connections and simplify the wiring. The 1 Led analyser in the chain is connected to the computer using the USB cable supplied. - Page 36 FEASA LED ANALYSER INFRA RED 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.
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Page 37: Daisy Chain Communication
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 38 FEASA LED ANALYSER INFRA RED 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 39 FEASA LED ANALYSER INFRA RED 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.
- Page 40 FEASA LED ANALYSER INFRA RED 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 41 FEASA LED ANALYSER INFRA RED 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:-...
- Page 42 (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 43 FEASA LED ANALYSER INFRA RED 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 44 FEASA LED ANALYSER INFRA RED 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 45 FEASA LED ANALYSER INFRA RED 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 46 FEASA LED ANALYSER INFRA RED 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 47 FEASA LED ANALYSER INFRA RED 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 48 FEASA LED ANALYSER INFRA RED 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...
- Page 49 FEASA LED ANALYSER INFRA RED VERSION Begin BUSFREE BUSC Serial Number = First Serial BUSCE#### Answer? “1” Serial Number = Next serial End Serial?
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Page 50: Help - Command Summary Listing
FEASA LED ANALYSER INFRA RED VERSION General Commands help - Command Summary Listing Transmit Receive help Command listing Description This command will generate a summary listing of all the LED Analyser commands. This is useful when using a terminal program such as HyperTerminal. -
Page 51: Step-By-Step Approach To Testing A Led
FEASA LED ANALYSER INFRA RED VERSION Step-by-Step approach to Testing a LED Standard Capture Mode To Test the Peak Wavelength 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 52: Effect Of Pwm On Intensity Testing
FEASA LED ANALYSER INFRA RED 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 9. In this graph the LED will always be on at 100% modulation. -
Page 53: Step-By-Step Approach To Testing A Pwm Led
FEASA LED ANALYSER INFRA RED VERSION Step-by-Step approach to Testing a PWM LED 90000 80000 Mode * 70000 60000 To test PWM LEDs 50000 following 40000 commands Analyser 30000 Fiber 1: 20000 10000 1. Decide how many readings are required to test the PWM LED's. -
Page 54: Intensity Response
FEASA LED ANALYSER INFRA RED VERSION Intensity Response 90000 80000 70000 60000 50000 40000 30000 20000 10000 Power nWatts Figure 10: Relative Intensity vs Power using the Medium Range for the LED Analyser Back to Index... -
Page 55: Command Summary
FEASA LED ANALYSER INFRA RED VERSION Command Summary COMMAND DESCRIPTION Busfree Free the Daisy Chain Bus of the active Analyser Busget#### Make Analyser #### active on the Daisy Chain Bus BusC All Analysers on the Daisy Chain to Auto Capture... -
Page 56: Specifications
Dimensions 127mm x 57mm x 55mm (L x W x H) – Feasa 20-IR, Feasa 20-IRP Dimensions 86mm x 57mm x 55mm (L x W x H) - Feasa 10-IR, 3-IR, 10-IRP, 3-IRP Fiber Length 0.6m Fiber Diameter 1.0mm (Plastic), 1.1mm (Glass) Fiber Core Diameter 0.6mm... -
Page 57: 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.