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Topcon BM-7A, Instruction Manual

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Topcon BM-7A Instruction Manual Download Page 80

5. Excel Sample Program 

 

78 

2 

When  selecting  the  installation  method,  select  the  option  button  [Install  from  a  list  or 

specified location], and click on the [Next] button.   

The following screen is displayed.

 

 
 
 
 
 
 
 
 
 
 
 

 
3 

Select the option button [Search for the most suitable driver from the next location], and 

check ON the check box [Include the next location].   

4 

Click on the [Search] button, and select the USB_DRIVER folder for the CD-ROM drive.   

The following screen is displayed.

 

 
 
 
 
 
 
 
 
 

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Click on the [Continue] button.   

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Summary of Contents for BM-7A

Page 1: ...INSTRUCTION MANUAL LUMINANCE COLORIMETER ...

Page 2: ......

Page 3: ...rcuit however stable measurement may not be possible in environments where there are sudden changes in temperature Do not subject the instrument to large impact such as dropping it and avoid using or storing the instrument in areas where there is constant vibration This instrument uses high precision optical parts so subjecting the instrument to harsh conditions could result in trouble Be careful ...

Page 4: ...physical damage 2 1 This indicates injury such as a burn electric shock or the like that does not require hospitalization or long term medical attention 2 Physical damage includes damage to the building property pets or the like Symbols Meaning of Symbols Indicates things that are prohibited A detailed explanation of the prohibition is indicated within the symbol or is indicated by a symbol and te...

Page 5: ...lure to do so could cause fire In the case of any strange noise smell or smoke from the instrument immediately turn OFF the power to the device and unplug the AC adapter from the power outlet Continuing to use the device as is could cause fire Contact the dealer or Topcon Technohouse Corporation Caution Do not look directly into the sun or at the light bulb filament Doing so could result in damage...

Page 6: ... this instruction manual This company bears no liability for damage that occurs due to malfunctioning or the like resulting from combined use with connected equipment User Maintenance In order to maintain safety and performance any maintenance work other than that instructed in this manual should only be performed by a qualified service representative However the following maintenance can be perfo...

Page 7: ...y 26 2 Measurement Operation 27 2 1 Example of use 27 2 1 1 Measuring a Light Source Having Directivity 27 2 1 2 Measuring a Minute Surface 27 2 1 3 Using the Unit in a other device 28 2 1 4 Reducing instrumental error between a plurality of instruments 28 2 2 Absolute Value Measurement 33 2 3 Difference Measurement 34 2 4 Measuring the Light Source Color 35 2 5 Measuring the Object Color 36 2 6 M...

Page 8: ...ing an Area Correction Factor 54 3 8 Measurement Range 55 3 9 RS 232C Parameters 56 3 10 Buzzer Sound 57 3 11 Measurement Unit 57 3 12 Communication Format 58 3 13 Average Measure 58 3 14 Maintenance Recommended Display 59 4 Communication With a PC 60 4 1 Communication Commands 60 4 2 BM 7A Mode Communication Commands 60 4 2 1 ST Command 62 4 2 2 CA Command 63 4 2 3 TF Command 63 4 2 4 TS Command ...

Page 9: ...mand 70 4 2 25 AM SM Command 70 4 3 Remote Measurement Output Format 71 4 4 Communication Commands for the BM 7fast Mode 73 4 5 Error Code 74 5 Excel Sample Program 75 5 1 Installation 75 5 1 1 Sample Program 75 5 1 2 USB Driver 77 5 2 Remote Control From a PC 79 Appendix 81 Specifications 81 Appended Tables 86 System Diagram 87 External Dimensions 88 Internal Calculation Processing 89 Terminology...

Page 10: ...tons or title of the screen displayed on the LCD display Indicates a reference location in the manual Indicates another manual as a reference Request Indicates items to keep in mind when performing an operation or items that require attention Memo Indicates items to consider when performing an operation or information that is useful ...

Page 11: ...wing supplied parts are in proper order If there are any missing parts contact the dealer or Topcon Technohouse Corporation Main unit 1 Instruction manual Quick manual 1 AC adapter 1 Inspection report 1 CD ROM Instruction manual sample program 1 Carrying case option 1 Analog output plug 3 For analogue output model only ...

Page 12: ...opping measurement and switches for changing the response speed of the photo receiver circuits and display mode Panel Switches Power switch Power switch to the instrument DC input connector Connector for plugging in the output plug from AC adapter USB connector Connector for connecting a PC when performing measurement in the remote mode PC connection 1 3 2 Connecting a PC RS 232C connector Connect...

Page 13: ...for analog output model Connected when using analog output There are three connectors corresponding to tristimulus value X2 Y Z Use the manual range when using this output Request Do not insert or remove connectors when the power of the instrument is ON Only uses the authorized AC adapter Memo ...

Page 14: ...taching the BM 7A M4 0 7 Dia 4 Pitch 0 7 screws Details Appendix External Dimensions Tripod screw Screw used when attaching the instrument to a tripod Nominal designation 1 4 20UNC No of threads 20 Pitch 1 270 Depth 6 Measuring field selector switch Used when selecting the measurement angle The size of the measurement range and measurement areas differ depending on measuring angle Details Appendix...

Page 15: ...uare wave from a function generator SLOW is set when the power is ON and SLOW is used for normal measurement FAST The response speed of the photo receiver circuit is increased This is set when measuring fixed light such as the sun or halogen lamp and a light source having high frequency lamp such as a LCD Set when measuring a flashing light source and analog output is connected to an oscilloscope ...

Page 16: ...y mode of the measurement data can be changed Each time the switch is pressed the display mode changes as shown below xy L u v L XYZ Tc duv L xy L This switch is set to xy L mode when the power is turned ON LIGHT Switch This switch is used to switches ON OFF the lighting backlight to the LCD The switch is set ON when the power is turned ON Inner Switches Buttons Buttons FUNCTION This button is use...

Page 17: ...trument when the power is turned ON To change the setting turn the power OFF and ON again 2 USB RS 232C This switch is used to select the connection method between the instrument and PC USB Connection with PC through USB RS 232C Connection with PC through RS 232C Request The connection method is read into the instrument when the power is turned ON To change the setting turn the power OFF and ON ag...

Page 18: ... changed during power ON 6 NC This is an empty switch and should always be set to the OPEN side 7 NC This is an empty switch and should always be set to the OPEN side 8 PROTECT WRITE PROTECT Prevents writing to internal memory This switch should always be set to the PROTECT side during measurement WRITE Allows writing to internal memory This switch should be set to the WRITE side when changing mem...

Page 19: ... ４８９９ Ｌ ３ ０１６Ｅ ０１ ｃｄ ｍ ２ Absolute value measurement ＡＢＳ Difference measurement ＤＩＦ Measurement angle 2 0 1 0 0 2 0 1 Measurement result Correction factor 00 No correction factor 01 10 Correction factor number Correction factor group 00_0 No correction factor group xx_ｙ Correction factor group xx 01 10 ｙ 1 5 ...

Page 20: ... from the AC adapter plug Failure to do so could cause fire Do not plug in or unplug the AC adapter plug with wet hands Doing so could cause electric shock The procedure for connecting the AC adapter to the instrument is explained below 1 Make sure the power to the instrument is OFF 2 Insert the connector on the output side of the AC adapter to the DC input connector of the instrument P r o h i b ...

Page 21: ...1 Before Use 19 3 Plug in the AC adapter plug into the power outlet ...

Page 22: ...6 instruments to one PC by USB also parallel use with an RS 232C cable is possible However the USB and RS 232C cannot be used at the same time for one BM 7A The connection cables are not supplied with the unit If cables are to be used they should be purchased separately For details regarding the connection on the PC side refer to the manual for the PC being used USB connection BM 7A side PC side R...

Page 23: ...ation format ASCII format Delimiter CR LF or CR added to the end of communication data strings Dip Switch Settings When connected with a PC the dip switches should be set as shown below Dip switch 1 REMOTE side Dib switch 2 Either the RS 232C side or USB side depending on the connection method used When the power is turned ON in this state the instrument will warm up for 10 minutes then the instru...

Page 24: ... 4 Collimate with the measured object and turn the focus ring of the objective lens and adjust the focus on the measured object 5 Change the measurement angle according to the size and brightness of the measured object When changing the measurement angle use the Measuring field selector switch The current measurement angle will be displayed on the LCD Measuring field selector switch LCD Display 1 ...

Page 25: ...ormed by Topcon factory a screen recommending maintenance will be displayed before zero adjustment Maintenance Recommended Screen Display 1 4 Maintenance Recommended Display In the REMOTE mode when dip switch 1 is on the REMOTE side the screen that is displayed after the power is turned ON will differ 1 3 2 Connecting a PC Dip Switch Settings When the power is turned ON and dip switch 8 is on the ...

Page 26: ...itch the response speed of the photo receiver circuit as needed The response speed has FAST speed and SLOW speed The response speed is switched by using the FAST SLOW switch Each time the switch is pressed the speed changes between FAST and SLOW The measurement method for each response speed is as shown below Measurement Method FAST Make sure the FAST LED is blinking then press the RUN HOLD switch...

Page 27: ...rmed by Topcon factory the following message will be displayed when the power is turned ON to indicate that it is time to perform calibration This display is displayed and a buzzer sounds until any button is pressed then the display advances to the next screen To automatically pass this process set the setting for the maintenance recommendation screen to OFF Maintenance Recommended Display Setting...

Page 28: ...uminance colorimeters during setting the Direct correction function Make sure that the RS 232C parameter settings communication method and data output method of the two luminance colorimeters are set the same Different Instrument Displayed when the model name of reference instrument which is set to the BM 7A differ from the model name of the instrument that is the actual reference during setting t...

Page 29: ...e are two types of attachment lenses AL 6 and AL 11 BM 7A Measurement Diameter Appendix Specifications The attachment lens is mounted using the screw on the tip end of the BM 7A objective lens Also when using the attachment lens a correction factor must be set for the BM 7A unit Correction Factor Setting 3 6 Correction Factor The luminance measurement diameter changes depending on the measurement ...

Page 30: ... light source actually being measured and should have stable light output The procedure for performing correction between instruments using CM 700 is as described below 1 Start up the CM 700 software and select multi control 2 Select Device Difference Correction from the Display menu The screen below Device Difference Correction window is displayed 3 Check ON the Object check boxes of the luminanc...

Page 31: ...e sample are necessary Request The reference light source sample should have stable light output and be the same type as the light source to be measured To use the Direct Correction function the RS 232C parameters of the two luminance colorimeters must be the same When using the Direct Correction function first measure the light source using the reference instrument and write that measurement data...

Page 32: ...urn ON the power 3 Turn on the power to the reference luminance colorimeter 4 The BM 7A to be corrected changes to the function mode and the Direct Correction Factor screen is displayed Moving to the Function Mode 3 1 1 Moving Returning to the Function Mode Display Method 3 1 2 Data Setting Items Display 5 Press the CHANGE button 6 Press the ROTATION button and select Measure Reference is displaye...

Page 33: ...written K This means Correction factor A correction factor that is calculated based on data measured using REF and SMP and automatically input It is possible to store up to 5 items of correction factor data 9 Press the RUN HOLD switch The message Measuring is displayed on the LCD and measurement by the reference luminance colorimeter starts After measurement end the following screen is displayed R...

Page 34: ...asuring is displayed on the LCD and the BM 7A to be corrected begins measurement After finish of measurement the following screen will be displayed for about 3 seconds 14 The correction factor is calculated and the following screen is displayed 15 When SET is displayed on the following screen by pressing the CHANGE button indicates that the correction factor has been set 16 After returning to the ...

Page 35: ...scribed below 1 Set dip switch 4 to the ABS side 2 Press the RUN HOLD switch The panel switch RUN blinks and continuous measurement starts 3 To end measurement press the RUN HOLD switch The panel switch HOLD blinks and the measurement result is displayed Ｆ２ ０ ＡＢＳ Ｋ００ Ｇ００ ０ ｘ ０ １９３０ ｙ ０ ４８９９ Ｌ ３ ０１６Ｅ ０１ ｃｄ ｍ ２ ...

Page 36: ...ed automatically in continuous measurement Request Reference data is stored internally until the power is turned OFF After returning to ABS after once setting DIF if DIF is set again the reference sample is not measured Difference measurement will be performed using the stored reference data To change the reference data turn OFF the power to the instrument and turn it ON again then perform the pro...

Page 37: ...ow 1 Make sure the power to the instrument has been turned OFF If the power is ON turn it OFF 2 Set dip switch 3 to the SOURCE side Request If the dip switch is changed while the power is ON the change will not take effect 3 Turn the power to the instrument ON The instrument will be in the free run state and measurement will start ...

Page 38: ...ance factor is 100 0 5 Set the white board and perform measurement Request White board measurement should be performed after setting the proper luminance factor If the proper luminance factor is not set an incorrect measurement value will be displayed For the white board use a Topcon standard white board WS 3 After measurement the measurement result will be displayed for about 3 seconds then measu...

Page 39: ...me the switch is pressed the display changes as shown below Light Source Color Chromaticity xy Luminance L Chromaticity u v Luminance L Tristimulus value XYZ Color temperature Tc Deviation duv Luminance L Ｆ２ ０ ＡＢＳ Ｋ００ Ｇ００ ０ ｘ ０ ２９６３ ｙ ０ ３６８８ Ｌ １ ４１１Ｅ ０２ ｃｄ ｍ ２ Ｆ２ ０ ＡＢＳ Ｋ００ Ｇ００ ０ ｕ ０ １７３４ ｖ ０ ４８５７ Ｌ １ ４１１Ｅ ０２ ｃｄ ｍ ２ Ｆ２ ０ ＡＢＳ Ｋ００ Ｇ００ ０ Ｘ １ １３４Ｅ ０２ Ｙ １ ４１１Ｅ ０２ ｃｄ ｍ ２ Ｚ １ ２８２Ｅ ０２ Ｆ２ ０ ＡＢＳ Ｋ００ Ｇ００ ０ Ｔｃ...

Page 40: ...2 Measurement Operation 38 Object Color Chromaticity xy Luminance Lv CIELAB CIELUV Ｆ２ ０ ＡＢＳ Ｋ００ ｘ ０ ２９０７ ｙ ０ ２２８１ Ｌ ５ ３５０Ｅ ０２ ｃｄ ｍ ２ Ｆ２ ０ ＡＢＳ Ｋ００ ａ ０ ２ ｂ ０ ０ Ｌ １００ ５ Ｆ２ ０ ＡＢＳ Ｋ００ ｕ ０ ４ ｖ ０ ０ Ｌ １００ ５ ...

Page 41: ...s necessary to take the correlation with the display into consideration Unit cd 2 1 0 2 0 1 Range1 0 30 0 120 0 3 000 0 12 000 Range2 0 90 0 360 0 9 000 0 36 000 Range3 0 300 0 1 200 0 30 000 0 120 000 Range4 0 3000 0 12 000 0 300 000 0 1 200 000 Range5 0 30 000 0 120 000 0 3 000 000 0 12 000 000 Request The analog output depends on the processing precision of the aperture mirror so when an exact ...

Page 42: ...e signal 2 In the function mode set the respective measurement ranges for X2 Y Z Range Setting 3 8 Measurement Range 3 Press the panel switch AUTO MANU and make sure that MANU of the panel switch blinks The manual range state is set 4 Set FAST SLOW depending on the measurement purpose FAST SLOW Setting 1 2 Name and Function of Each Part Request When an absolute value is necessary for the tristimul...

Page 43: ... mode is as described below 1 Check if the instrument is in the waiting state HOLD state 2 Press the FUNCTION button The function mode is set and the data in the internal memory is displayed Kinds of Displayed Data 3 1 2 Data Setting Item Display The procedure for returning from the function mode is as described below 1 Press the FUNCTION button The function mode ends and the measurement mode scre...

Page 44: ...meter 3 9 RS 232C Parameter Buzzer Sound 3 10 Buzzer Sound Measurement Unit 3 11 Measurement Unit Communication Format 3 12 Communication Format Average Measure 3 13 Average Measure Maintenance Recommended Display 3 14 Maintenance Recommended Display When measuring object color Dip switch 3 is on the OBJECT side Standard sample 3 2 Standard sample White board 3 3 White Board White Board Luminance ...

Page 45: ...screen is displayed When dip switch 8 is on the WRITE side this screen is not displayed In that case advance to step 3 2 Set dip switch 8 to the WRITE side A is displayed in the area where input is possible 3 Press the ROTATION button and select the value to input Each time the button is pressed the display changes as shown below ０ １ ２ ３ ４ ５ ６ ７ ８ ９ Ｅ When entering a numerical value having more th...

Page 46: ...ement value as a reference Difference Measurement 2 3 Difference Measurement Not displayed when there are no data The display mode can be changed using the MODE switch 2 6 Measurement Value Display Mode Cannot be changed from just the display 3 3 White Board The white board measurement value from when the object color was measured is displayed Display Method 3 1 2 Data Setting Item Display Object ...

Page 47: ...ite board correction factor is displayed If the correction factor has not been registered REF NO DATA is displayed Display Method 3 1 2 Data Setting Item Display The input change method is the same as the input change method for the correction factor 3 6 ２ Inputting the Correction Factor It is possible to set just one white board correction factor Ｗｈｉｔｅ ｂｏａｒｄ Ｌｕｍｉｎａｎｃｅ ｆａｃｔｏｒ １００ ０ Ｗ ＫＸ ２ ４８１Ｅ ０２ ...

Page 48: ...egistered correction factors K01 to K10 or when setting the number of the correction factor to be used 3 6 1 Checking Setting the Correction Factor INPUT Selected when entering or changing the correction factor 3 6 2 Inputting the Correction Factor CLEAR Selected when clearing the correction factor 3 6 3 Clearing the Correction Factor OFF Selected when not using a correction factor BACK Selected w...

Page 49: ...ed the display changes as shown below Reference data Sample data Correction factor data Reference Data The reference data from when the displayed correction factor was calculated is displayed Sample Data The sample data from when the displayed correction factor was calculated is displayed Calculating the Correction Factor 3 6 2 Inputting the Correction Factor ENTER Returns to the previous screen N...

Page 50: ...e data Correction factor data ENTER Returns to the previous screen 2 Press the CHANGE button The following screen is displayed 3 Press the ROTATION button and select the process to be performed indicated by DIRECT Selected when inputting the correction factor directly Direct Input REF MEASURE Selected when inputting already known luminance and chromaticity data performing sample measurement and ca...

Page 51: ...calculating the correction factor is displayed The procedure for calculating the correction factor from measurement is as described below 1 Press the CHANGE button The value for x can be input so set the value for reference data x Method for Setting a Value 3 1 3 Numerical Value Setting 2 After the value for x has been input press the ENTER button Now the value for y can be input so similarly inpu...

Page 52: ...ctor is calculated using the input reference data and measured sample data is displayed ROTATION The correction factor for the next number is displayed SHIFT Each time the button is pressed the display changes as shown below Reference data Sample data Correction factor data ENTER Returns to the previous screen Ｋ０１ ＫＸ ５ ６５４Ｅ ０１ ＳＥＴ ＫＹ ９ ２３９Ｅ ０１ ＫＺ ７ ４５４Ｅ ００ Ｒ ＮＥＸＴ Ｓ ＰＡＧＥ ...

Page 53: ...turns to the previous screen When SELECT CLEAR is Selected CHANGE Clears the displayed data ROTATION Displays the data for the next number SHIFT Each time the button is pressed the display changes as shown below Correction factor Reference data Correction factor data ENTER Returns to the previous screen Request When the reference data is cleared correction factor data and sample data of the same n...

Page 54: ...or the xy chromaticity diagram and groups 6 to 10 are assigned to area corrections factors for the u v chromaticity diagram Also it is possible to set 5 chromaticity areas in 1 group In the chromaticity area setting the correction factors are specified by KX KY and KZ and the minimum and maximum areas of application of correction are specified by x y or u v and minimum Luminance are specified by L...

Page 55: ...um of 5 areas Also the minimum luminance value is set Request The range of chromaticity area is depend on actual measurement values and small errors may occur Depending on the situation leeway should be set for the range The method for specifying a chromaticity area is as described below xy chromaticity diagram Specify the minimum and maximum xy values of chromaticity area and the minimum L lumina...

Page 56: ... CHANGE button The currently set area correction group is displayed 2 Press the ROTATION button and select the area correction factor group for which the chromaticity area is to be displayed 3 Press the CHANGE button The data of the set chromaticity area is displayed CHANGE Sets the displayed chromaticity area When set SET is displayed underneath the number of the chromaticity area ROTATION Displa...

Page 57: ...r setting is completed press the ENTER button Now the value for Y can be selected so similarly select the value for Y and Z The measurement range is from 1 to 5 with range 1 having the maximum sensitivity Measurement Range Details Appendix Specifications When the AUTO MANU switch is set to AUTO and dip switch 1 is set to the remote side the measurement range setting is invalid The factory settings...

Page 58: ...contents Each time the button is pressed the display changes as shown below Baud rate Communication speed 38400 2400 4800 9600 19200 38400 Length Data length 7 8 7 Parity Parity bit ODD NONE EVEN ＯＤＤ Stop bit Stop bit 1 2 1 When there are no contents to be changed press the ENTER button and move the cursor to the next parameter 3 After selection is finished press the ENTER button Move the cursor t...

Page 59: ...r is as described below 1 Press the CHANGE button 2 Press the ROTATION button and select the setting contents Each time the button is pressed the buzzer is turned ON OFF 3 After selection is finished press the ENTER button 3 11 Measurement Unit The measurement unit currently being used is displayed Display Method 3 1 2 Data Setting Item Display ＳＥＴ ＵＮＩＴ ＵＮＩＴ ｃｄ ｍ ２ ＳＥＴ ＢＵＺＺＥＲ ＢＵＺＺＥＲ ＯＦＦ ...

Page 60: ...ION button and select the setting contents Each time the button is pressed the display will change as shown below BM 7A BM 7FAST BM 7A 3 After selection is finished press the ENTER button 3 13 Average Measure The average measurement can be set Display Method 3 1 2 Data Setting Item Display When measuring varying luminance light source use this function Measurement result in Average measure is the ...

Page 61: ...d and the display will not advance to the next screen until any button is pressed OFF The message is displayed but the buzzer does not sound and it is possible to advance to the next screen The procedure for making changes is as described below 1 Press the CHANGE button 2 Press the ROTATION button and select the setting contents Each time the button is pressed the setting will change between ON OF...

Page 62: ...the instrument to the measurement state After measurement is finished transmits the measurement data from the instrument CA Performs calibration TF Switches the response speed of the photo receiver circuit to the FAST mode TS Switches the response speed of the photo receiver circuit to the SLOW mode MA Switches the measurement range to the AUTO range MM X l Y m Z n Switches the measurement range t...

Page 63: ...or m Group number 1 to 10 n Area number 1 to 5 RG m L n Reads the chromaticity area in the area correction factor m Group number 1 to 10 n Area number 1 to 5 WG m K n Writes the area correction factor m Group number 1 to 10 n Area number 1 to 5 WG m L n Writes the chromaticity area in the area correction factor m Group number 1 to 10 n Area number 1 to 5 WHO Reads the product name BM 7A is output ...

Page 64: ...eck command and starts measurement Communication of measurement data After measurement the BM 7A transmits the measurement conditions and measurement data The delimiter Cr Lf is attached to the end of 1 data string and the data are sent After all the data is transmitted the ending code END is transmitted Output Format of Measurement Data 4 3 Remote Measurement Output Format A data check is not per...

Page 65: ...hoto receiver circuit of the instrument is changed to the FAST mode PC Command BM 7A TF Cr Lf OK Cr Lf 4 2 4 TS Command The response speed of the photo receiver circuit of the instrument is changed to the SLOW mode PC Command BM 7A TS Cr Lf OK Cr Lf 4 2 5 MA Command The measurement range of the instrument is changed to the AUTO range PC Command BM 7A MA Cr Lf OK Cr Lf ...

Page 66: ...nt range for Z 1 to 5 indicates a space PC Command BM 7A MM X3 Y3 Z3 Cr Lf OK Cr Lf 4 2 7 FR Command The correction factor currently being used by the instrument are read out PC Command BM 7A FR Cr Lf OK Cr Lf Correction factor number END Cr Lf 4 2 8 F Command The correction factor currently to be applied to the instrument are stored the instrument F n n is the number of the correction factor to b...

Page 67: ...r Lf OK Cr Lf Correction Factor END Cr Lf 4 2 10 W Command The correction factor is stored in the instrument W n n is the number of the correction factor to be stored 1 to 15 PC Command BM 7A W10 Cr Lf OK Cr Lf 4 2 11 CF Command The correction factor in the instrument is cleared CF n n is the number of the correction factor to be cleared 1 to 15 PC Command BM 7A CF10 Cr Lf OK Cr Lf ...

Page 68: ...de E012 is displayed 4 5 Error Codes 4 2 13 FKR Command The current type of correction can be read out by this command １ Normal correction ２ Direct correction PC Command BM 7A FKR Cr Lf OK Cr Lf Correction type END Cr Lf 4 2 14 FAG Command The area correction of the instrument can be activated by this command FAG n Number of the area correction factor group that is activated 1 to 10 PC Command BM ...

Page 69: ...y area data in the area correction function per group units can be cleared by this command CGL n Number of area correction factor groups to be cleared 1 to 10 PC Command BM 7A CGL1 Cr Lf OK Cr Lf 4 2 17 FGR Command The number of the area correction factor group currently being used can be read out by this command PC Command BM 7A FGR Cr Lf OK Cr Lf Group Number END Cr Lf ...

Page 70: ...applied area correction factor are read out by this command RG m L n m is the number of the area correction factor group 1 to 10 n is the area number 1 to 5 PC Command BM 7A RG1L3 Cr Lf OK Cr Lf chromaticity area Cr Lf END Cr Lf 4 2 20 WG K Command The area correction factor can be stored in the instrument WG m K n m is the number of the area correction factor group 1 to 10 n is the area number 1 ...

Page 71: ...romaticity x the minimum value of the chromaticity y the maximum value of the chromaticity x the maximum value of the chromaticity y and the luminance are input in order in 4 2 22 WHO VER SRL Command The model name serial number and program version of the instrument are read out by this command PC Command BM 7A WHO VER SRL Cr Lf OK Cr Lf Model name serial number version Cr Lf END Cr Lf 4 2 23 UT C...

Page 72: ...instrument can be read out by this command PC Command BM 7A ＣT Cr Lf OK Cr Lf Time minutes Cr Lf END Cr Lf 4 2 25 AM SM Command The average measurement and single measurement can be selected by this command AM Performs averaging measurement SM Performs single measurement PC Command BM 7A AM SM Cr Lf OK Cr Lf ...

Page 73: ...Z Range Z1 to Z5 7 UC Unit UC cd 8 F2 Measurement angle F1 0 1 F2 0 2 F3 1 0 F4 2 0 9 K2 Correction factor K0 No correction K1 to K9 Correction factor number 10 FG1 Area correction group number in area correction function FG0 No correction FG1 to FG10 Area correction group number 11 GK0 Applicable chromaticity area in the area correction function GK0 No applicable area GK1 to GK5 Color data corres...

Page 74: ...Z _ E CR Ｍ2 Command T R XnYnZnUCFn Tc _ _duv _ _ X _ E _Y _ E _Z _ E CR T Response speed TF FAST TS SLOW R Measurement range RA AUTO RM MANUAL Xn X2 measurement range used in actual measurement n 1 to 5 Yn Y measurement range used in actual measurement n 1 to 5 Zn Z measurement range used in actual measurement n 1 to 5 UC Measurement unit cd Fn Measurement angle F1 ０ １ F2 ０ ２ F3 １ F4 ２ A space is ...

Page 75: ...ent range 1 to 5 Y n Sets the MANUAL range for Y n Measurement range 1 to 5 Z n Sets the MANUAL range for Z n Measurement range 1 to 5 M0 Switches the display mode xyL mode M1 Switches the display mode u v L mode M2 Switches the display mode TC duv L mode FR Reads out the number of the correction factor currently being used F n Writes the number of the correction factor to be used n Number of the ...

Page 76: ...imit write error Displayed when the specified area does not place on the chromaticity diagram or when the maximum and minimum value of chromaticity area is improper E011 Area correction limit write error Displayed when the entered data does not correctly stored in instrument E012 Displayed when the single correction direct correction dip switch setting and communication command setting do not matc...

Page 77: ...ed below 1 Set the supplied CD ROM in the CD drive D indicates the CD ROM device used for installation example in this manual When install from another drive read the explanation by replacing the drive with the actual drive used 2 Select Specify file name and run from the Windows Start menu The file selection screen is displayed 3 Select setup exe from the CD ROM Sample Program folder and click on...

Page 78: ... 5 Close another program and click on the OK button The following screen is displayed 6 Click on the button and start setup To change the installation destination click on the Change Directory button and select an installation destination The program group selection screen is displayed Memo ...

Page 79: ... is displayed so click on the OK button to finish installation 5 1 2 USB Driver The procedure for installing the USB driver is as described below 1 Connect the BM 7A with the PC using a USB cable and turn ON the power to the BM 7A Connecting the BM 7A and a PC 1 3 2 Connecting a PC The following screen is displayed ...

Page 80: ...tton The following screen is displayed 3 Select the option button Search for the most suitable driver from the next location and check ON the check box Include the next location 4 Click on the Search button and select the USB_DRIVER folder for the CD ROM drive The following screen is displayed 5 Click on the Continue button The following screen is displayed ...

Page 81: ...procedure for using the sample program to remotely control the BM 7A is as described below 1 Select Start Program BM 7ASampleProgram BM 7ASampleProgram The following message is displayed Request When the security level is set to High this screen cannot be displayed Set the security level to Medium 2 Click on Enable macro The measurement screen is displayed ...

Page 82: ...ch the settings on the BM 7A side Setting the device 3 9 RS 232C Parameters 4 Input the number of times measurement to be performed 5 Click on the Measurement button 6 The measurement results are displayed 7 Execute zero adjustment for the first measurement 1 USB RS232C selection 2 File name 3 RS232C parameter 4 Measurement count 5 Measurement button 7 zero adjustment 6 Measurement ...

Page 83: ...8 169 341 1 5 0 7 7 16 4 85 170 0 ２ 1 0 1 5 3 3 17 34 0 １ 0 5 0 8 1 6 8 17 Some changes may occur according to the aperture mirror The measurement distance is the distance from the tip end of the form of the objective lens Measurement Functions The following measurement can be performed by using display mode x y L x y Chromaticity coordinates L Luminance u v L u v Chromaticity coordinates L Lumina...

Page 84: ... 3 000 000 4 000 12 000 000 The measurement range for a measurement angle of 1 0 2 and 0 1 depends on the processing accuracy of the aperture mirror and so they shown with rough values In color measurement there are cases when measurement is not possible even when the luminance is within the measurement range given above The cause of this trouble is that output of Ｘ２ and Ｚ are over range and it do...

Page 85: ...glass O 55 Y 48 A 73B IRA 05 Ｔ 44 Manufactured by Asahi Techno Glass Corp x y 0 03 or less For a combination of the standard sources A and next colored glass R 61 B 46 V 44 G 54 Manufactured by Asahi Techno Glass Corp Repeatability Luminance For 2 1 to 5cd 1 or less 2σ SLOW Mode AUTO range standard sources A 5cd or greater 0 5 or less 2σ SLOW mode AUTO range standard sources A Measurement Angle Ra...

Page 86: ...s 0 1 400 to 2000cd Chromaticity ｘｙ 0 005 or less 2000cd or more Chromaticity ｘｙ 0 002 or less Temperature Characteristics 3 or less 23 is regarded as standard in the range of 0 to 40 Humidity Characteristics 3 or less 60 RH is regarded as standard in the range of 60 RH or less Calibration Reference Topcon calibration reference Standard sources A 23 ３ User calibration reference Switchable Display ...

Page 87: ...Conditions Temperature 0 to 40 Humidity 85 RH or less Storage Conditions Temperature 20 to 60 Humidity 85 RH or less No condensation External Dimensions Approximately 325 Length 120 Width 162 Height Weight Approximately 3kg ...

Page 88: ...ercury lamp H 400 0 998 Fluorescent mercury lamp HF 400 1 010 Sun lamp D 400 0 999 Metal hydride lamp M 400 0 999 High voltage sodium lamp NH 400 1 015 Color Television Red 1 060 Green 0 988 Blue 1 007 White 1 004 The above data obtained by the spectral sensitivity of a sample instrument There are minor variations among instruments Unit Conversion Table cd nt cd cm2 sb cd ft2 rlx asb Lamberts Foot...

Page 89: ...t filter Measured object Aperture mirror Condenser lens Router filter Silicon photo diode Relay lens Relay lens Mirror Reticle Eyepiece Buffer X2 Analog output connector Y Z A D Personal Computer LCD Control switch Interface 2 0 1 5 1 0 0 5 0 400nm 500nm 600nm 700nm BM 7A z λ CIE z λ CIE y λ CIE x λ BM 7A y λ BM 7A x λ Relative spectral responsivity ...

Page 90: ...s 3 Tripod seat reference surface For tooling 1 4 20 UNC Depth 6 Camera tripod screw Normal Cross recessed pan head screw Install M4 x 0 7 lengths 6 Rubber leg Tripod seat surface Installation surface A A Cross section enlarged view ...

Page 91: ...08856 the following formula must be applied Chromaticness Index CIE 1976 L a b color coordinate system X Y Z Tristimulus values in the XYZ color coordinate system Xn Yn Zn Tristimulus values in the XYZ color coordinate system on a perfect reflecting diffusier However if or have a value less than 0 008856 substitute the corresponding curbe roots in the above formula with the values as shown below Z...

Page 92: ...indexes Ｌ and chromatic indexes u v between two non luminous object color Color Temperature Deviation Color temperature and Deviation are calculated according to JIS Z 8725 Method for determining distribution temperature and color temperature or correlated color temperature of light source Color temperature display range 1563K Tc 100000K Deviation display range 0 0２ duv 0 0２ Deviation is the dista...

Page 93: ...mple This is a sample used as standard for color matching White Board This is a white board with good diffusion which is made of barium sulfate etc Local Mode This means a normal measuring status The instrument is operated by the panel switches allowing no control from outside Remote Mode The instrument is controlled by an external personal computer via interface It can also be controlled by its p...

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Page 95: ...poration 1 Maintenance and repair parts are parts that are necessary to maintain the function of the product 2 We make our most effort to keep maintenance and repair parts in stock for the complete storage period however due to some unexpected occurrence the storage period may have to be shortened California U S A only This product contains a CR Lithium Battery which Contains Perchlorate Material ...

Page 96: ...3558 2666 Fax 813 3558 4661 Inquiries regarding repairs and maintenance Tel 813 3558 2710 Fax 813 3558 301 Luminance Colorimeter BM 7A Instruction Manual 2008 Edition Date of issue of third edition Oct 1 2008 75 1 Hasunuma cho Itabashi ku Tokyo 174 8580 Japan 2008 TOPCON CORPORATION ALL RIGHTS RESERVED Unauthorized copying prohibited ...

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