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1. Before Use

1.3.2 Connecting a PC

When connecting a PC, use a RS-232C cable or USB cable to connect the BM-7AC and PC.

When using a RS-232C cable, use a straight cable supporting for a DOS/V PC. It is possible to

connect up to a maximum of 16 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-7AC.

・

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-7AC side -

- PC side -

RS-232C connection

- BM-7AC side -

- PC side -

Memo

Содержание BM-7AC

Страница 1: ...INSTRUCTION MANUAL LUMINANCE COLORIMETER Rev 2...

Страница 2: ......

Страница 3: ...s instrument contains temperature compensation circuit however stable measurement may not be possible in environments where there are sudden changes in temperature Do not subject the instrument to lar...

Страница 4: ...hysical 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 buildin...

Страница 5: ...rized AC adapter Malfunction of the AC adapter could cause fire or electric shock Do not disassemble the AC adapter Doing so could cause fire or electric shock Remove any dust or moisture from the AC...

Страница 6: ...ability due to collateral damage loss in business profit interruption of work etc from the use of or inoperability of the instrument This company bears no liability for damage that occurs due to use o...

Страница 7: ...26 2 Measurement Operation 28 2 1 Example of use 28 2 1 1 Measuring a Light Source Having Directivity 28 2 1 2 Measuring a Minute Surface 28 2 1 3 Using the Unit in a other device 29 2 1 4 Reducing i...

Страница 8: ...an Area Correction Factor 55 3 8 Measurement Range 56 3 9 RS 232C Parameters 57 3 10 Buzzer Sound 58 3 11 Communication Format 58 3 12 Average Measure 59 3 13 Maintenance Recommended Display 59 4 Com...

Страница 9: ...Command 69 4 2 24 CT Command 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 USB Driver 75 Appendix 77 Specif...

Страница 10: ...ons 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...

Страница 11: ...plied 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 RO...

Страница 12: ...pping 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 f...

Страница 13: ...or analog output model Connected when using analog output There are three connectors corresponding to tristimulus value X Y Z Use the manual range when using this output Request Do not insert or remov...

Страница 14: ...crew 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 T...

Страница 15: ...are 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 measurin...

Страница 16: ...splay 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...

Страница 17: ...ument 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 w...

Страница 18: ...e changed during power ON 6 NC This is an empty switch and should always be set to the ON side 7 NC This is an empty switch and should always be set to the ON side 8 PROTECT WRITE PROTECT Prevents wri...

Страница 19: ...s Absolute value measurement Difference measurement 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 grou...

Страница 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 t...

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

Страница 22: ...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 7AC The connection cables are not supplied with...

Страница 23: ...bits Communication 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...

Страница 24: ...djustment ring of the eyepiece so that the reticle marks are clearly seen in the view finder 4 Collimate with the measured object and turn the focus ring of the objective lens and adjust the focus on...

Страница 25: ...it has been 1 year or more since calibration has been performed by TOPCON TECHNOHOUSE factory a screen recommending maintenance will be displayed before zero adjustment Maintenance Recommended Screen...

Страница 26: ...asurement switch 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...

Страница 27: ...was last performed by TOPCON TECHNOHOUSE 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...

Страница 28: ...meout Displayed when data communication cannot be done between two luminance colorimeters during setting the Direct correction function Make sure that the RS 232C parameter settings communication meth...

Страница 29: ...may be required Contact the dealer or TOPCON TECHNOHOUSE office RS232C ERROR Displayed when the communication with PC is failed Check the connection of RS 232C or USB cable and communication condition...

Страница 30: ...two types of attachment lenses AL 6 and AL 11 BM 7AC Measurement Diameter Appendix Specifications The attachment lens is mounted using the screw on the tip end of the BM 7AC objective lens Also when u...

Страница 31: ...S 900A Use the Direct Correction function Using CS 900A The reference light source sample should be the same kind of light source as the light source actually being measured and should have stable lig...

Страница 32: ...7AC to be corrected using a specified cable Also set the RS 232C parameter settings of the BM 7AC to be corrected are the same as those of the reference instrument Reference Luminance Colorimeter RS...

Страница 33: ...n and select the type of the reference luminance colorimeter is displayed then press the ENTER button In the case of a BM 7AC select COMMON 8 Select the number of the data to be written Press the ROTA...

Страница 34: ...ITE side to write data 11 Place the BM 7AC to be corrected at the location where the reference luminance colorimeter is placed then press the ENTER button to display the following screen Select Measur...

Страница 35: ...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 function mode the correction facto...

Страница 36: ...ute value measurement is described 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...

Страница 37: ...out 3 seconds then difference measurement will be performed automatically in continuous measurement Request Reference data is stored internally until the power is turned OFF After returning to ABS aft...

Страница 38: ...w 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...

Страница 39: ...the white board luminance 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 lumi...

Страница 40: ...switch is blinking it is possible to change the measurement value display mode by pressing the MODE switch Each time the switch is pressed the display changes as shown below Light Source Color Chroma...

Страница 41: ...2 Measurement Operation 39 Object Color Chromaticity xy Luminance Lv CIELAB CIELUV...

Страница 42: ...it is 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 12...

Страница 43: ...is the signal 2 In the function mode set the respective measurement ranges for X Y Z Range Setting 3 8 Measurement Range 3 Press the panel switch AUTO MANU and make sure that MANU of the panel switch...

Страница 44: ...ure for moving to the function 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...

Страница 45: ...nge 3 8 Measurement Range RS 232C Parameter 3 9 RS 232C Parameter Buzzer Sound 3 10 Buzzer Sound Communication Format 3 11 Communication Format Average Measure 3 12 Average Measure Maintenance Recomme...

Страница 46: ...de White board luminance factor setting screen 1 Press the CHANGE button The following screen is displayed When dip switch 8 is on the WRITE side this screen is not displayed In that case advance to s...

Страница 47: ...ement the difference value is displayed with this measurement value as a reference Difference Measurement 2 3 Difference Measurement Not displayed when there are no data The display mode can be change...

Страница 48: ...3 5 White Board Correction Factor The white 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 Displ...

Страница 49: ...when checking the value of the registered 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...

Страница 50: ...ROTATION Display the correction factor of next number SHIFT Each time the button is pressed the display changes as shown below Reference data Sample data Correction factor data Reference Data The refe...

Страница 51: ...play changes as shown below Reference data Sample data Correction factor data ENTER Returns to the previous screen 2 Press the CHANGE button The following screen is displayed 3 Press the ROTATION butt...

Страница 52: ...Z Calculation from Measurement The reference data input screen for calculating the correction factor is displayed The procedure for calculating the correction factor from measurement is as described b...

Страница 53: ...seconds then the correction factor 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 th...

Страница 54: ...L CLEAR is Selected YES Clears all registered correction factors BACK Returns to the previous screen When SELECT CLEAR is Selected CHANGE Clears the displayed data ROTATION Displays the data for the n...

Страница 55: ...ea correction factors can be registered for a total of 10 groups to the BM 7AC Groups 1 to 5 are assigned to area correction factors for the xy chromaticity diagram and groups 6 to 10 are assigned to...

Страница 56: ...m 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 b...

Страница 57: ...rection factor group is as described below 1 Press the CHANGE button The currently set area correction group is displayed 2 Press the ROTATION button and select the area correction factor group for wh...

Страница 58: ...setting contents 3 After 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 hav...

Страница 59: ...TION button and select the setting 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 P...

Страница 60: ...yed Display Method 3 1 2 Data Setting Item Display The communication format consists of BM 7A Series and BM 7FAST BM 7FAST is a communication format for the purpose of using communication software for...

Страница 61: ...ENTER button 3 13 Maintenance Recommended Display The maintenance recommended display is displayed after buying the or after one year has elapsed since calibration conducted by TOPCON TECHNOHOUSE fact...

Страница 62: ...ment 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 t...

Страница 63: ...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 Gr...

Страница 64: ...eck command and starts measurement Communication of measurement data After measurement the BM 7AC transmits the measurement conditions and measurement data The delimiter Cr Lf is attached to the end o...

Страница 65: ...to receiver circuit of the instrument is changed to the FAST mode PC Command BM 7AC 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...

Страница 66: ...range for Z 1 to 5 indicates a space PC Command BM 7AC 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 7AC FR Cr Lf...

Страница 67: ...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 7AC W10 Cr L...

Страница 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 Normal correction Direct correction PC Command BM 7AC FKR Cr Lf OK Cr Lf Correcti...

Страница 69: ...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 7AC CGL1 Cr Lf OK Cr Lf 4 2 1...

Страница 70: ...plied 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 7AC RG1L3 Cr Lf OK Cr Lf chroma...

Страница 71: ...maticity 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 Th...

Страница 72: ...nstrument can be read out by this command PC Command BM 7AC T 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 co...

Страница 73: ...1 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 a...

Страница 74: ..._ E _Z _ E CR 2 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 X measurement range used in actual measurement n 1...

Страница 75: ...t 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...

Страница 76: ...ed 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 e...

Страница 77: ...in the CD ROM via Explorer OS Windows 7 Ultimate 32bit 64bit Windows 7 Professional 32bit 64bit Windows 8 1 Pro 32bit 64bit Windows 10 Pro 32bit 64bit For example in the case of Windows7 32bit it beco...

Страница 78: ...Windows7 8 the Windows Security dialog appears Click the Install The following dialog will be displayed start installing the USB Driver 6 After installation of USB Driver The following dialog will be...

Страница 79: ...69 341 1 5 0 7 7 16 4 85 170 0 1 0 1 5 3 3 17 34 0 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...

Страница 80: ...0 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 measu...

Страница 81: ...r more 0 5 or less 1 4 to 20cd 1 or less 20cd or more 0 5 or less 0 2 100 to 500cd 1 or less 500cd or more 0 5 or less 0 1 400 to 2000cd 1 or less 2000cd or more 0 5 or less Chromaticity For 2 1 to 5c...

Страница 82: ...alog voltage output proportion to X Y and Z Power Supply AC adapter standard supplied part Power Consumption Approximately 2 5VA when using an AC adapter Operating Conditions Temperature 0 to 40 Humid...

Страница 83: ...s A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in commercial environment...

Страница 84: ...t2 rlx asb Lamberts Foot Lamberts ft L 1 10 4 0 0929 3 1416 0 000314 0 2919 3 426 0 0003426 0 3183 10 764 0 001076 1 Chromaticity accuracy of the combination of standard light source A and our colored...

Страница 85: ...x Relative spectral responsivity X Y Z X Y Z Measurement angle sensor Fixed aperture Objective lens Infrared cut filter Measured object Aperture mirror Condenser lens Router filter Silicon photo diod...

Страница 86: ...hment Do not tighten the screws any more than necessary Doing so might cause internal breakage Tripod seat reference surface For tooling 1 4 20 UNC Depth 6 Camera tripod screw Normal Cross recessed pa...

Страница 87: ...008856 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 X...

Страница 88: ...indexes 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 distri...

Страница 89: ...ple 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 i...

Страница 90: ...nance 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 howe...

Страница 91: ...4661 Inquiries regarding repairs and maintenance Tel 813 3558 2710 Fax 813 3558 3011 Luminance Colorimeter BM 7AC Instruction Manual 2019 Edition Date of issue of 2nd edition July 2019 TOPCON TECHNOH...

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