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SpectralLED® RS-7 USER MANUAL

Page 48

STS.

The data are sent from/to the RS-7 in the format specified by

STM

over the wavelength range specified by

WLR.

When sending a target spectrum to the RS-7, data points outside the

WLR

are set to 0.

Syntax:

TSP

transmit the current target spectrum to host

TSP

[data],[data],…,[data]

send target spectrum to RS-7 using

STM

TSP

[data]

send target spectrum to RS-7 using

STM

[data]

…

[data]

TSP

alternative format to send target spectrum to RS-7 using

STM

[data]

…

[data]

where [data] is an ASCII float and the number of data points is set by

WLR

([endWL] – [startWL] + 1)

Examples:

stm0

set

STM

mode 0 (not required if mode has already been set to 0)

tsp0.1941,0.298,0.4059,0.5991,…,0.09919

4.4.5

- FTS - Fit to TSP

Performs a least-squares arithmetic fit to the target spectrum

TSP

over the wavelength range

WLR

and sets the

RS-7 output

OSP

to the resultant spectrum. Only channels with wavelengths within the

WLR

+/- 5nm will be

utilized (meaning channels as far as 5nm outside

WLR

will be utilized). The addition of the

suffix to the

FTS

command will also include broadband white channels as part of the solution.

Syntax:

FTS

fit to target spectrum using only the monochromatic channels (white channels not included)

FTS W

fit to target spectrum using all channels, including white channels

FTS M

fit to target spectrum at maximum possible output power as set by

SLM

(target spectrum

TSP

will be scaled accordingly)

The RS-7 will attempt to fit the currently defined target spectrum

TSP.

Examples:

stm0

set spectral transfer mode 0

Содержание SpectralLED RS-7

Страница 1: ...OURCE MODEL RS 7 Revision A SpectralLED Spectral Simulation Assistant Revision 2 15 RS 7 Firmware Revision 1 11 Gamma Scientific 9925 Carroll Canyon Road San Diego CA 92131 Toll Free 800 637 2758 Direct 858 279 8034 Fax 858 576 9286 www gamma sci com ...

Страница 2: ...er Gamma Scientific Inc makes no representations or warranties with respect to the contents hereof and specifically disclaim any implied warranties of merchantability or fitness for any particular purpose Further Gamma Scientific Inc reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Gamma Scientific Inc to notify any per...

Страница 3: ...his manual should be available to the appropriate personnel Before every procedure carefully inspect the equipment to ensure it has been properly maintained and cleaned and that it is fully functional DO NOT use if inspection reveals anything unusual including case damage or loose connectors SAFETY PRECAUTIONS MUST ALWAYS BE EXERCISED WHEN USING ELECTRICAL EQUIPMENT TO PREVENT OPERATOR SHOCK FIRE ...

Страница 4: ...is manual Use only properly functioning cables that are made for system instrument connectors Light sources produce high intensity light Thermal burns can result from improper use of the light source Use care not to point any operating light source directly at the eye When light source is not in use turn off the power Keep any cooling vents and fans free of obstructions ...

Страница 5: ...ection of any defect of material or workmanship in any such product or to replacement of any defective product or part or unit thereof notice of which shall have been given to Seller within the warranty period specified in subdivision a above c LIMITATION AS TO REPLACEABLE COMPONENTS WHOSE LIFE IS A FUNCTION OF USAGE TIME Since the life of such components is a function of the customer s usage of t...

Страница 6: ... factory In the event the instrument does not function properly or is damaged Gamma Scientific Inc should be contacted with regard to the specific symptoms of the problem NOTE For all service requirements please ask for the Customer Service Department Gamma Scientific must be contacted prior to any return shipment of equipment and an RMA must be issued prior to returning equipment Failure to do so...

Страница 7: ...3 SpectralLED Spectral Simulation Assistant 16 3 1 SpectralLED Assistant Main Window 17 3 2 Settings Menu 21 3 3 Target Spectrum Spectral Matching 26 3 4 Export 30 SECTION 4 ASCII COMMAND API 31 4 1 Overview 31 4 2 Individual Channel Control 35 4 2 1 SCP Set Channel Power Level 35 4 2 2 PUL Pulse Channel 36 4 2 3 PTY Peak type 37 4 2 4 MON Wavelength Monitor System Query 38 4 2 5 LIN LED Channel I...

Страница 8: ...r µW cm sr Photometric illuminance or luminance lm m2 lux or cd m2 nits or Internal Units 0 100 52 4 5 2 OUT Integrated output power level of OSP as UNI 52 4 5 3 OUTC Adjust integrated output power level of OSP as UNI while maintaining chromaticity 53 4 5 4 OUTA Report Actual sampled Output power level as UNI 54 4 5 5 SOB Standard observer select 2 degree or 10 degree 55 4 5 6 OXY Chromaticity of ...

Страница 9: ...C Spectral calibration data CRC32 64 4 6 15 TMP Read TEC s temperature 64 4 6 16 VER Firmware version 64 4 6 17 FBK Optical feedback enable disable 65 4 6 18 FBG Query optical feedback gain 65 4 6 19 SLM Soft power limit 65 4 6 20 ALA Query reset alarms 66 4 6 21 ASA Asynchronous Alarm 66 4 6 22 CFC Clear Fault Condition 67 4 6 23 UDB User Data Block 68 4 6 24 RST Restart Unit 68 4 6 25 POT Power ...

Страница 10: ...c s RS 7 features near perfect linearity and uniformity over the entire intensity range and comes with NIST traceable absolute calibrations 1 1 1 Features Multi Channel LED Light Source covering a wavelength range from 360nm to 1000nm Digital Linear DC Drive Current Control High Dynamic Intensity Range 16 bit Built in Photodiode Feedback NIST Traceable Irradiance Calibration Long Lifetime 1 1 2 Pr...

Страница 11: ...ies available for projection or illuminator applications Radiance Range3 Typical maximum 7 500μW cm sr Typical minimum 10μW cm sr spectrum dependent Luminance Range3 Typical maximum 15 000cd m Typical minimum 20cd m spectrum dependent CCT Range 1 900K 40 000K SpectralLED Assistant Application Spectra CIE Illuminants A B C D50 D55 D65 D75 E F1 F12 Macbeth 4 X Rite 4 color patches Custom Preset Spec...

Страница 12: ...dows OSX and Linux via FTDI virtual COM port Legacy RS 232 serial port for integration into automated systems no OS required Input Voltage 110 240 VAC 50 60Hz Maximum Power Consumption 600W System Dimensions Height 405mm Width 460mm Depth 305mm Weight 25kg 1 FWHM Full Width Half Maximum 2 Uniformity measured using an 8 FOV at the output plane of the device while simulating illuminant E over a wave...

Страница 13: ...ity filters or other attenuators and without the need for pulse width modulated intensity control which can cause flicker 2 1 3 Real Time Feedback The SpectralLED RS 7 Tunable Light Source has a fully integrated real time optical feedback system which monitors the source output and constantly adjusts the brightness to maintain the selected intensity level The RS 7 also features closed loop thermal...

Страница 14: ...SpectralLED RS 7 USER MANUAL Page 13 2 2 Hardware Configuration Figure 1 RS 7 Schematic Hardware Configuration ...

Страница 15: ...Step 3 Connect the USB cable to the host computer drivers should automatically install on Windows and OSX a If drivers do not automatically install please use the drivers provided by Gamma Scientific Step 4 On the host computer determine the COM port assigned to the RS 7 a In Windows done via Device Manager b The RS 7 will appear as a USB Serial Port virtual COM port Figure 2 Device Manager ...

Страница 16: ...s as they are being typed it is helpful to enable Display Typed Characters Locally Also the RS 7 always sends a linefeed LF with each carriage return CR so it is not necessary to enable any kind of Add LF to each CR or Implicit LF in each CR function Figure 3 Tera Term Serial port setup Step 6 Once the terminal connects to the RS 7 user should be able to start issuing commands as defined in the AS...

Страница 17: ...cking on the down arrow and selecting the appropriate COM port going to the RS 7 Don t know which COM port to select Click on the Windows Start button then right click Computer then click Manage When the Computer Management window opens click Device Manager in the left pane Then in the right pane expand Ports COM LPT The RS 7 will appear as USB Serial Port In this example the COM port is COM6 ...

Страница 18: ...ols 1c up and down to manually create modify a spectrum DRAG the main power level control 1b up and down to change the current spectrum s overall power level CLICK TYPE IN A NUMBER and PRESS ENTER to input a specific power level CCT or chromaticity in the boxes 1a CLICK on the CIE 1931 x y chromaticity diagram to modify the current spectrum s chromaticity 1i 1j 1a 1i 1d 1e 1f 1g 1h 1k 1l 2 1b 1c 3...

Страница 19: ...end to slightly shift in wavelength change color as their drive current is increased or decreased so this option provides a way to touch up the spectrum at the new power level to keep chromaticity constant You will see the CIE 1931 x y box change from blue to green when the SHIFT key is being held down as an indicator that the chromaticity is to be maintained This also applies to the Main Power Le...

Страница 20: ...erence OSP Section 4 4 3 TSP Section 4 4 4 WLR Section 4 4 1 1g Spectral Plot Wavelength Range The starting and ending wavelengths of the Spectral Plot can be changed in order to display just a portion of the spectrum 1h Plot All Chan If this is not checked only the current Output Spectrum white line and optionally the Target Spectrum blue line see Section 3 3 will be plotted Checking this box wil...

Страница 21: ...alLED Assistant Window The window can be resized by dragging the corner in typical Windows fashion A larger window can show more detail and also shows the Individual Channel Power Level controls 1c with each channel s approximate color shown immediately to the right of the control with infrared channels shown as deep reds 1m Alarms If SpectralLED Assistant detect that the RS 7 has raised on or mor...

Страница 22: ...fied the COM port SpectralLED Assistant will remember it and automatically connect to the RS 7 using the same COM port the next time SpectralLED Assistant is launched so you don t have to select the COM port each and every time Offline allows SpectralLED Assistant to be operated without an RS 7 attached if you select Offline you will be prompted for the name of the SpectralCal_HXnnnn_nnnnnnnn bin ...

Страница 23: ...metric Units fc fL Selects between SI photometric units of lm m illuminance units of lumens per square meter also known as lux cd m luminance units of candela per square meter also known as nits and US photometric units of footcandles illuminance units footLamberts luminance units 2d Peak Type The wavelength of each of the RS 7 s channels as seen for example when one hovers the mouse pointer over ...

Страница 24: ...white channels as part of the solution This may result in better spectral matches for some broadband targets although it may also limit the maximum power level that the spectrum is capable of generating ASCII Command API reference FTS FTSW Section 4 4 5 2f Radiant Source Irradiant Source At Working Distance For an RS 7 with an internal integrating sphere the unit itself is calibrated as a Radiant ...

Страница 25: ...RS 7 is equipped with the optional motorized iris its position can be set anywhere between 0 fully open and 100 fully closed Click on the box type in the desired iris position 0 100 and press ENTER If the RS 7 is configured as an Irradiant source 2f the units of Irradiance µW cm and Illuminance lm m will be scaled appropriately ASCII Command API reference IRI Section 4 6 26 2h Enable Optical Feedb...

Страница 26: ...metric spectral modifications itself locally both for execution speed and to support enhanced functionality This can be disabled in which case the RS 7 will be commanded to perform the functions itself remotely The actual commands being sent can be viewed in the Command Status bar 1j A description of each of the RS 7 s ASCII commands can be found SECTION 4 ...

Страница 27: ...ine with all spectral data points set to 1 0 this is the combination of the initial Base Target Spectrum of none Unity 3g multiplied by the Target Spectrum Scale Factor 3h multiplied by the Illuminant 3i When no Illuminant is being applied Select Illuminant is displayed and the Illuminant itself has all spectral data points set to 1 0 Note that this is exactly Illuminant E and in fact there is a s...

Страница 28: ...LED Assistant can read any text file which contains Target Spectrum spectral data points as simple wavelength amplitude comma separated values one spectral data point per line The wavelength values can be any step size and even non integer as SpectralLED Assistant will interpolate the data to be 1nm increments Note that there are two other ways to load the Base Target Spectrum you can double click...

Страница 29: ... Target Spectrum that was last loaded The final Target Spectrum 3a is the combination of the Base Target Spectrum 3g multiplied by the Target Spectrum Scale Factor 3h multiplied by an Illuminant 3i You can load your own Base Target Spectrum from a CSV comma separated values text file by either selecting from the menu 3c double clicking the Base Target Spectrum box 3g or by dragging and dropping th...

Страница 30: ...Chromaticity After Fit checkbox is checked 3m the spectrum will undergo an additional operation after the fit in which energy will be added or removed using the three Tristimulus curves X Y and Z as weighting functions in order to obtain the same chromaticity as the Target Spectrum this will necessarily worsen the least squares fit spectral match to a small degree but guarantees a perfect colorime...

Страница 31: ...urrent Output Spectrum 1f or Target Spectrum 3a to a comma separated values CSV text file Also a comprehensive Channel Report can be generated which outputs a sorted list by increasing wavelength of each of the RS 7 s individual channels and includes the following for each channel Channel number or numbers for a channel group Centroid Parabolic Peak or Center wavelength in nm CCT in degrees K for ...

Страница 32: ...uments Arguments when specified may be space or comma delimited The command string is terminated by a single CR Any whitespace between the command acronym and the first argument is ignored In response to the complete command string the RS 7 will immediately first and foremost transmit CR LF When the operation specified by the command has completed for those commands which return no data the okay r...

Страница 33: ...pleted due to an error the RS 7 will instead respond with nn Explanatory String CR LF where nn represents an error code and Explanatory String expands on the error with a human readable explanation Issuing CTRL A ASCII code 0x01 will re execute the previous command Again ...

Страница 34: ...ut Spectrum 4 4 4 TSP Target Spectrum 4 4 5 FTS Fit to TSP 4 4 6 CCS Color Correct to TSP or to a specific CIE 1931 x y chromaticity 4 4 7 RPE Report RMS Error OSP vs TSP 4 4 8 STS Scale TSP to specific UNI 4 5 Integrated Absolute Units Colorimetry 4 5 1 UNI Set Units radiometric µW cm or µW cm sr photometric lm m2 or cd m2 or internal units 0 100 4 5 2 OUT Integrated Output power level of OSP as ...

Страница 35: ...it Serial Number 4 6 9 ICK Integrity Check 4 6 10 BAT Basic Assurance Test 4 6 11 CPA Channel Power Audit 4 6 12 PDI Read Photodiode s response 4 6 13 PDT Photodiode Target 4 6 14 SDC Spectral calibration Data CRC32 4 6 15 TMP Read TEC s Temperature 4 6 16 VER Firmware Version 4 6 17 FBK Optical Feedback enable disable 4 6 18 FBG Query optical Feedback Gain 4 6 19 SLM Soft Power Limit 4 6 20 ALA Q...

Страница 36: ...e power SCP chan report output power channel chan SCP 0 report output power all channels generates list SCP same as SCP 0 where chan is an integer representing channel number 1 64 and power is a float representing the output power in the current units UNI For total integrated energy of all active channels instead of by individual channels use the OUT command Examples uni1 select photometric units ...

Страница 37: ...een if the pulse were perfectly rectangular Note that FBK will be disabled by this command and must be explicitly re enabled to resume optical feedback mode Also if a channel is part of a group see CGL and channel grouping is enabled which it is by default see GRP all channels of that group will be pulsed Syntax PUL chan duration pulse channel chan for duration milliseconds at power level NPL PUL ...

Страница 38: ... all wavelengths of the spectrum Type 1 Peak which represents the peak where 1st derivative 0 of the parabola defined by the highest amplitude spectral data point and its two immediate neighbors Type 2 Center which represents the wavelength exactly midway between the two half power points i e the midpoint of the two wavelengths that define FWHM Syntax PTY report current Peak Type PTY 0 1 2 set Pea...

Страница 39: ...ormation Reports centroid peak center wavelength see PTY FWHM for each channel in nanometers Note that this information is given twice first is a nominal wavelength FWHM representing the channel at the current NPL Nominal Power Level default 70 and secondly the actual wavelength and FWHM for the channel s current operating power level reported as 0 if the channel is set to off Syntax LIN report al...

Страница 40: ...n at 360nm shortest possible wavelength 14 382 3 12 923 56 141 RS 7 finds channel 14 is the closest at 382 3nm and activates it at NPL power scan move to next higher wavelength 8 49 387 6 14 512 49 712 next step higher in wavelength is channels 8 49 grouped at 387 6nm scan move to next higher wavelength 51 983 4 62 512 15 633 this would be approximately the highest wavelength found in the standard...

Страница 41: ...by default A list of the channel groups can be obtained via the CGL Channel Group List command Syntax GRP report Grouping Enable Disable status GRP 0 1 disable 0 or enable 1 channel grouping Examples grp query channel grouping status 1 channel grouping is enabled default grp0 disable channel grouping Ok 4 2 9 CGL Channel Group List Displays a list of the channel groups When channel grouping is ena...

Страница 42: ...annel along with the requested power level as UNI 2 0 100 which could not be accommodated Syntax OCL request Offending Channels List Examples uni1 select photometric units lux or nits depending on CTY IRR Ok scp0 10 set all channels to 10 lux nits 06 channel power unreachable one or more channels could not be set to 10 lux nits such as IR LEDs ocl request offending channels 17 154 4 channel 17 wan...

Страница 43: ...ighest preset for sequential operation where preset is an integer between 0 and 95 The RS 7 will load the power level settings and then adjust the entire LED array as required to achieve the appropriate integrated output power level Note that preset 0 defines the default output state of the RS 7 at power on Examples pre3 load preset 3 Ok pre report currently loaded operating preset 3 Bob s test sp...

Страница 44: ...nd preset name is a descriptive string that may include delimiters such as spaces or commas as this argument is treated literally and is not parsed Examples spr15 XRite moderate red under F1 250 lux Ok 4 3 3 DPR Delete Preset Deletes a previously stored preset Syntax DPR preset delete preset preset where preset is an integer between 0 and 95 Examples pre request list of stored presets 0 sample1 D6...

Страница 45: ...SpectralLED RS 7 USER MANUAL Page 44 pre request list of stored presets 0 sample1 D65 200lux 3 Bob s test spectrum 23 Warm white LED 2500lux extra CR LF terminates list ...

Страница 46: ... 920 nm Ok 4 4 2 STM Spectrum Transfer Mode Establishes the format for spectral data transfers between the host RS 7 Spectral data is always 1 nm step resolution units being µW cm nm irradiant source see CTY IRR or µW cm nm sr radiant source see CTY IRR and is transferred between the host and RS 7 over the wavelength range set by WLR Syntax STM 0 1 2 set spectral transfer mode to 0 1 or 2 STM repo...

Страница 47: ...stm0 set STM mode 0 not required if mode has been previously been set to 0 Ok osp request current output spectrum 5 939613 4 743708 7 146379 35 52672 28 65044 39 23233 2440 087 519 4869 712 7541 2044 095 281 0387 20 2 69 4 539907 6 31384 46 78853 23 9096 32 474 1409 227 738 4146 1017 761 2020 391 4333 280 5293 CR LF Example of spectral transfer mode 1 stm1 set STM mode 1 not required if mode has b...

Страница 48: ...put spectrum to host OSP 0 identical to OSP OSP chan transmit the spectrum of a single channel chan where chan is an integer representing channel number 1 64 Examples wlr500 510 severely restrict wavelength range for purposes of this example Ok stm1 select spectral transfer mode 1 columnar data Ok osp12 transmit the spectrum for channel 12 0 220141008 data for 500 nm 0 221931979 0 216851279 0 2194...

Страница 49: ... tsp0 1941 0 298 0 4059 0 5991 0 09919 Ok 4 4 5 FTS Fit to TSP Performs a least squares arithmetic fit to the target spectrum TSP over the wavelength range WLR and sets the RS 7 output OSP to the resultant spectrum Only channels with wavelengths within the WLR 5nm will be utilized meaning channels as far as 5nm outside WLR will be utilized The addition of the W suffix to the FTS command will also ...

Страница 50: ... patch 24 under D65 2000lux Ok 4 4 6 CCS Color correct to TSP or to a specific chromaticity Modifies the current output spectrum OSP to exactly match the chromaticity of the target spectrum TSP or to exactly match a specified chromaticity passed as arguments to the CCS command Syntax CCS color correct to target spectrum CCS CIEx CIEy color correct to a specific CIE 1931 x y Examples fts fit to cur...

Страница 51: ...scp12 100 turn channel 12 all the way on to increase mismatch Ok rpe report RMS error 23 582 substantially worse 4 4 8 STS Scale TSP to specific UNI Scales the current target spectrum TSP to an absolute power level radiometric or photometric as defined by the current units UNI Syntax STS report current TSP power level in units of UNI STS level scale target spectrum TSP to new power level level Exa...

Страница 52: ...SpectralLED RS 7 USER MANUAL Page 51 Ok fts perform the fit Ok ccs color correct for perfect color match Ok spr23 Light Skin under D50 150lux save the result as preset 23 Ok ...

Страница 53: ...iant source µW cm lm m2 Syntax UNI 0 1 2 set units to radiometic 0 photometric 1 or internal 0 100 2 Examples uni report current units setting 1 units are photometric lux or nits out report current output level in photometric units 351 24 uni0 change units to radiometric µW cm2 or µW cm2 sr Ok out report current output level in radiometric units 185 96 uni2 change units to internal photodiode Ok o...

Страница 54: ...romaticity Adjusts the RS 7 s integrated output power level using the units set by UNI while compensating for the LED s wavelength shift at the different drive current by adjusting the spectrum to maintain the same chromaticity When setting the output level the Ok response will not be returned until the RS 7 has settled to an accuracy of STP percent Syntax OUTC level set the output level to UNI un...

Страница 55: ... instead being driven with a static constant current Syntax OUTA sample photodiode and report output power level in units UNI Examples fbk query the current state of optical feedback 1 unit reports optical feedback is enabled pre2 load preset 2 Ok uni1 select photometric units lm m2 or cd m2 Ok out request current nominal output power 7858 5 unit reports 7858 5 lm m2 or cd m2 outa request current ...

Страница 56: ...rts the chromaticity of the current output spectrum OSP using the 2 or 10 degree Standard Observer Included Angle as set by SOB Syntax OXY report output spectrum OSP chromaticity Returns two ASCII floats separated by a comma indicating the x y coordinate on the 1931 CIE chromaticity chart Examples sob2 select 2 degree Standard Observer not required if 2 degree has been previously set Ok oxy report...

Страница 57: ... target spectrum TSP chromaticity Returns two ASCII floats separated by a comma indicating the x y coordinate on the 1931 CIE chromaticity chart Examples sob2 select 2 degree Standard Observer not required if 2 degree has been previously set Ok txy report chromaticity of target spectrum TSP 0 2581 0 3511 4 5 9 TXYZ Tristimulus of TSP as CIE X Y Z Reports the tristimulus of the current output spect...

Страница 58: ...mulus X Y and Z 4 5 10 CCT Correlated Color Temperature of OSP in degrees Kelvin Reports the Correlated Color Temperature of the current output spectrum OSP in degrees Kelvin Syntax CCT report output spectrum OSP correlated color temperature Examples cct report CCT of current output spectrum OSP 2850 color temperature is 2850K ...

Страница 59: ...en Radiant and Irradiant source as necessary for an accessory attached to the RS 7 Also for a standard sphere configuration RS 7 with CTY type R the unit can be operated in Irradiance mode see IRR in this case CTY will still remain as R and thus you must check IRR as well to determine the type of absolute units in effect Syntax CTY report current calibration type Examples cty request calibration t...

Страница 60: ...ransfer Functions Examples atf request currently active ATF s NONE no ATF s are currently active atf request a list of available ATF s 1 I Irradiance at 300mm 1 converts unit to an Irradiant source at 300 mm working distance baffle tube 2 Neutral density filter OD3 2 adjusts for the presence of an ND filter without altering calibration type CTY cty request current Calibration Type R unit is curren...

Страница 61: ...ng distance in millimeters IRR mm specify new working distance as mm millimeters IRR 0 return RS 7 to its base Radiance mode calibration Radiance units Examples irr request current working distance 0 working distance of 0 indicates RS 7 is operating as Radiant source uni0 select radiometric units radiance µW cm sr Ok out request RS 7 s current output level 451 34 radiance 451 34 µW cm sr irr300 ch...

Страница 62: ...e within tolerance b all parameters are within range structures are intact c stored calibration data matches the serial number of the LED board for which they were generated d all structures have a valid CRC CRC32 If all goes well only Ok is reported If there are problems each is reported with a line starting with ERROR followed by a description The following is a list of the possible ERROR codes ...

Страница 63: ...ase of one or more channels failing there is no Ok response in response to encountering one or more fail messages you should instead wait for the final CR LF that signals the end of the list of failures 4 6 11 CPA Channel Power Audit This command is used to track LED aging and is invoked during maintenance cycles Each channel is individually powered on and once the output has stabilized the result...

Страница 64: ...de response used by the realtime optical feedback see FBK FBG as well as the acceptable delta as configured via STP The optical feedback is continuously comparing the actual photodiode response to this number and adjusting the entire LED array as a whole to maintain this target with STP percent If the optical feedback ever fails to maintain output lock within STP percent on any of its attempts an ...

Страница 65: ... spectral calibration CRC32 Wavelength Monitor spectral calibration CRC32 4 6 15 TMP Read TEC s temperature Reads the temperature of the two temperature stabilized TEC blocks returned in degrees Celcius Nominal setpoint is 25 degrees There will two temperatures displayed the LED board TEC block and the optional Wavelength Monitor System TEC block Syntax TMP read TEC block temperatures Examples tmp...

Страница 66: ...l of luminous output Note that this coefficient continues to be updated in real time even if optical feedback has been disabled via FBK in this case the feedback gain figure represents the gain that would be applied to the LED array were the RS 7 permitted to be making the adjustments Syntax FBG report optical feedback gain coefficient Examples fbg request current feedback gain coefficient 1 034 4...

Страница 67: ...sue the ALA command regularly to see if an alarm condition has arisen The choice between polled and asynchronous alarms is configured with the ASA command Syntax ALA report current alarm state ALAR reset alarm ALAC clear alarm identical to reset alarm Examples ala query current alarm state NONE no alarm condition A1 channel power limit alarm indicating optical feedback is trying to drive a channel...

Страница 68: ...to the RS 7 The three exceptions are the commands CFC ICK Integrity Check and RST Restart Issuing CFC to the RS 7 will clear the fault condition and once again allow the unit to accept commands however continuing to operate the unit after having to clear a fault condition means it may not be functioning properly and cannot be trusted for accuracy Syntax CFC clear fault condition Examples pre12 att...

Страница 69: ...ck 0 6yb948ygkh gi yt ego8g ag9bea 7itrv34878f7wfg8wf 8wfgw4 Ok 4096 data bytes are sent to the RS 7 with the RS 7 responding with Ok CR LF upon receipt of the final data byte 4 6 24 RST Restart Unit This command will restart the RS 7 and return it to the state as if it were just powered on 4 6 25 POT Power on time Reports the elapsed time since the unit was last powered on or restarted see RST co...

Страница 70: ...et at the working distance of IRR millimeters accordingly Syntax IRI report current iris position as percentage of closed 0 100 IRI set iris position as percentage closed 0 100 IRI H home iris to the fully open position and set the iris position to 0 always done at power up RST Examples iri request current iris position 65 iris is 65 closed iri30 open iris up to the 30 closed position Ok ...

Страница 71: ...n the optical feedback pushing one or more channels 100 power before a stable output state within STP of PDT could be reached 09 channel power ADP limit The requested RS 7 output is attempting to drive one or more channels past the allowable deviation from nominal of ADP 10 channel power SLM soft limit Attempt made to command one or more channels past the soft limit SLM 11 excessive feedback corre...

Страница 72: ...er data etc to EEPROM failed to read back correctly during verification 23 missing power current information The channel cannot be operated as power 0 100 because the table used to convert power to drive current has not been constructed calibration required 24 requested output level too high The irradiance of the requested output power will over range the optical feedback system 25 passcode must b...

Страница 73: ...ized LED block reported a temperature beyond 1C of the setpoint 25C A6 LED TEC overtemperature shutdown The TEC temperature stabilized LED block is reporting a temperature in excess of 40C the LEDs will be automatically turned off the unit will not function until the temperature drops back below 40C A7 LED TEC undertemperature shutdown thermistor unresponsive The TEC temperature stabilized LED blo...

Страница 74: ... as corrupted data invalid calibration or an internal hardware failure was detected during initialization The unit will refuse all future commands except RST ICK and CFC The CFC command can be used to forcibly clear the fault and allow the RS 7 to continue operating albeit in a compromised unknown state ...

Страница 75: ...hted central wavelength of a given spectral power distribution Chromaticity Properties of light having to do with hue and saturation but not luminance brightness CIE Commission Internationale de l Eclairage International Commission on Illumination Colorimetric Measurements as related to the visual interpretation of color Colorimetry The science of color measurement CVS Comma Separated Values The C...

Страница 76: ... identifying wavelengths of the visible portion of the electromagnetic spectrum NIST U S National Institute of Standards and Technology nits In lighting the nit is a unit of visible light intensity commonly used to specify the brightness of a cathode ray tube or liquid crystal display computer display One nit is equivalent to one candela per square meter Optical Geometry Geometrical optics or ray ...

Страница 77: ...ectric cooling TEC is the cooling effect that occurs as a result of current flowing between two different conductors or semiconductors heat is produced at one juncture and a cooling effect at another juncture creating a temperature differential Tristimulus Percentage amounts of the three standard or matching stimuli designated as S Y and Z necessary in a three additive mixture required for matchin...

Страница 78: ...ds of Measurement IEC 61000 4 2 2001 Electrostatic Discharge Immunity IEC 61000 4 3 2010 Radiated Electromagnetic Field Immunity IEC 61000 4 4 2012 Electrical Fast Transient Burst Immunity IEC 61000 4 6 2013 Radio Frequency Common Mode Immunity IEC 61000 4 8 2009 Power Frequency Magnetic Field Immunity EN 61326 1 2006 Electrical Equipment for Measurement Control and Laboratory Use EMC Requirements...

Страница 79: ...ge of Annex II from 2011 65 EU The product family complies with the following European and Chinese directives These products do not contain any of the following substances in more than the following concentrations in any of the homogeneous materials Cadmium 0 01 in weight Chromium VI 0 1 in weight Mercury 0 1 in weight Lead 0 1 in weight Polybrominated biphenyls PBB 0 1 in weight Polybrominated di...

Страница 80: ... Added GUI operation procedure section and update document format 3 24 2016 X4 Updated Top View on 0 5 11 2016 X5 Updated section 2 4 added note about revision number 5 19 2016 X6 Update Software API merged changed throughout 7 19 2016 X7 Update Software API update to SpectralLEDAssist V2 x 10 14 2016 X8 Update Software API general clean up 11 30 2016 A Added CE Declaration of Conformity and RoHS ...

Страница 81: ...stant Chromaticity command Add CCSx y Color Correct Output Spectrum to explicit CIE 1931 x y command Remove ADP Allowable Drive Percentage command Remove SCC Set Channel Current command Changes for X7 Add PUL Pulse command Add ICK Integrity Check command Add RST Restart command Add OPD Output Port Differential command Add MON Monitor System Query command Add PTY Peak Type command Add BAT V Basic A...

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Содержание SpectralLED RS-7

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gamma scientific SpectralLED RS-7, Руководство пользователя, Страница: 49 / 81

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Содержание SpectralLED RS-7

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