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THORLABS DC2100, Operation Manual

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24

3 Operating the DC2100

DC2100

3.2.3.7

Help Menu

Within the topic 'Help' of the menu you can access the help file of the DC2100, visit
the  Thorlabs  website,  view  the  license  agreement  and  get  information  about
applications.

3.3

Changing the LED

The DC2100 - High Power LED Driver is  not  hot-pluggable.  Prior  to  connecting  or
exchanging a LED switch off the unit.

Thorlabs offers a wide range of LEDs, which can connected to the DC2100 directly.
Check our website 

www.thorlabs.com

. You can also connect your own LED. 

The  following  picture  shows  the  female  connector  of  the  DC2100.  It  is  a  standard
M8x1 sensor circular connector.  Pin 1 and 2 are the connection to  the  LED.  Pin 3
and 4 are used for the internal EEPROM. Do not use these connections.

Figure 32

Female Connector of the DC2100

Summary of Contents for DC2100

Page 1: ...2009 Operation Manual Thorlabs Instrumentation High Power LED Driver DC2100 ...

Page 2: ...Version Date 1 1 08 09 2009 2009 Thorlabs ...

Page 3: ...3 1 15 Settings 3 1 3 2 16 About 3 1 3 3 16 3 2 Remote Application 16 Requirements 3 2 1 16 Installation 3 2 2 16 The Installation Menu 3 2 2 1 17 Installing VISA Runtime Engine 3 2 2 2 17 Installing the Remote Application 3 2 2 3 18 Driver Installation 3 2 2 4 19 Operating the DC2100 by the Remote Application 3 2 3 19 Connecting a Device 3 2 3 1 20 Constant Current Mode 3 2 3 2 21 Pulse Width Mod...

Page 4: ... 2 Pulse Width Modulation 7 Appendix 37 37 7 1 Warranty 38 7 2 Certifications and Compliances 40 7 3 Technical Data 40 Common Data 7 3 1 40 Technical Data 7 3 2 41 7 4 Letter of Volatility 42 7 5 Thorlabs End of Life Policy WEEE 42 Waste Treatment on your own Responsibility 7 5 1 42 Ecological Background 7 5 2 43 7 6 List of Acronyms 43 7 7 List of Figures 44 7 8 List of Tables 44 7 9 Copyright 45...

Page 5: ...Thorlabs GmbH This part of the instruction manual contains every specific information on how to handle and use the DC2100 High Power LED Driver WARNING This symbol in the manual explains dangers that might result in personal injury or death Always read carefully the associated information before performing the indicated procedure ATTENTION This symbol in the manual explains hazards that could dama...

Page 6: ...gered environments The LED head control inputs and outputs must only be connected with duly shielded connection cables Only with written consent from Thorlabs may changes to single components be carried out or components not supplied by Thorlabs be used Do not obstruct the air ventilation slots in housing Do not remove covers Refer servicing to qualified personal This precision device is only disp...

Page 7: ...hich can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experience...

Page 8: ... High Power LED Driver M365L1 Mounted LED Source 365nm M385L1 Mounted LED Source 385nm M405L1 Mounted LED Source 405nm M660L1 Mounted LED Source 660nm M850L1 Mounted LED Source 850nm Other wavelength on request ranging from 365nm up to 940nm Please visit our homepage http www thorlabs com for further information ...

Page 9: ...hanically and electrically Verify that you have received the following items 1 DC2100 1 Power cord connector according to ordering country 1 Power supply 48V 1 5A 1 USB cable 1 Operation manual 1 Applications and driver CD 2 2 Preparation 1 Connect LED head cable with socket labeled LED at the back of the main control unit see figure below 2 Connect power supply cable with main control unit use on...

Page 10: ... or thin profile cables with increased resistance this can cause transmission errors and improper instrument operation 4 Turn the unit on by pressing the power switch on the rear side of the unit 5 After the device is powered up the graphics display will show a Welcome screen for a few seconds 6 The DC2100 is immediately ready to use after turning on The rated accuracy is reached however after a w...

Page 11: ...tarted 2 3 Operating Elements 2 3 1 Operating Elements on the Front Panel Figure 2 Display and Operating Elements on the Front Panel 2 3 2 Operating Elements on the Rear Panel Figure 3 Operating Elements on the Rear Panel ...

Page 12: ... The two buttons below the graphics display have an Enter and Escape functionality The button with LED indicator is used to switch the LED on or off The multi control is used to select the desired menu or to change the settings After switching on the DC2100 a Welcome screen appears for a few seconds Figure 4 Welcome Screen In case no LED head is connected you will be prompted to switch off the mai...

Page 13: ...n this operation mode will be automatically the active mode All settings are saved and validated after a shut off 3 1 2 1 Constant Current Mode The Constant Current Mode provides a constant non modulated LED current The actual current is displayed and can be set directly with the multi control knob No confirmation is necessary The Ok button has no functionality within this mode The LED is switched...

Page 14: ...of periods and can be adjusted from 1 to 100 The term infinite describes a infinite pulse train Figure 8 Pulse Width Modulation Mode To change the settings select one of the parameters using the multi control knob and press the Ok button The corresponding screen appears and the value for the current the frequency the duty cycle or the counts can be adjusted with the multi control knob When changin...

Page 15: ...fer to the application note Pulse Width Modulation 3 1 2 3 External Control Mode This mode allows to control the DC2100 by an external signal The External Control Mode has no parameter settings The LED can only be controlled via the BNC connector at the rear panel of the DC2100 The applied voltage corresponds to the LED current 1V is equivalent to a LED current of 200mA A maximum voltage of 10V ca...

Page 16: ...n to access the desired setting or configuration panel 3 1 3 1 User Limit The current limit can be changed by selecting User Limit The following screen appears and the LED current limit can be set using the multi control knob The new value has to be confirmed with the Ok button or canceled with the ESC button The LED current limit can be set up to the maximum LED current limit LED Imax It is displ...

Page 17: ...and has to be confirmed with the Ok button or canceled with the ESC button Figure 16 LED Maximum Current 3 1 3 2 Settings Within the system configuration the LCD backlight brightness can be set Select Settings from the main menu via the multi control knob and press Ok A sub menu appears and the Brightness setting can be accessed by pressing the Ok button The multi control knob is used to change th...

Page 18: ...e the DC2100 on a PC your system needs to fulfill the following Minimum hard and software requirements Operating system Windows 2000 Windows XP SP2 Windows Vista or higher USB 2 0 high speed port USB 1 1 full speed port is also usable but achieves reduced measurement speed 3 2 2 Installation 3 2 2 1 The Installation Menu Insert the Thorlabs DC2100 High Power LED Driver CD 1 0 or higher CD ROM in y...

Page 19: ...w ni com visa In case you want to use the VISA engine provided on the installation CD select NI VISA Engine An installation wizard will be started If you are running Windows VISTA you might be prompted to change to the elevated mode Please ask your administrator for help when you do not have administrator privileges Follow the instructions of the installation wizard 3 2 2 3 Installing the Remote A...

Page 20: ...install the remote software and drivers for the DC2100 During the installation process a separate installation wizard will start to register the device drivers on your system The system will inform you that the software installation has failed the Windows logo test This will happen twice Ignore the warning and click Continue Anyway Figure 21 The Windows Logo Test 3 2 2 4 Driver Installation The ne...

Page 21: ...informing that the software has failed the Windows logo test Click Continue Anyway 4 Finalize the installation by clicking Finish After this first installation the DC2100 High Power LED Driver will be installed Repeat step 1 to 4 3 2 3 Operating the DC2100 by the Remote Application The DC2100 remote application can be used to operate a DC2100 High Power LED Driver via the PC Every setting made wil...

Page 22: ...can disconnect the DC2100 by clicking on the Disconnect button or by selecting Menu Disconnect 3 2 3 2 Constant Current Mode The constant current can be selected by pressing the Constant Current Mode tab You can change the value directly by typing into the numeric control use the small arrows or changing the slider If you enter a numerical value you have to press Enter to confirm it The maximum va...

Page 23: ...irm it The maximum value of the current depends on the user current limit which is set in the configuration menu The maximum value for the frequency is 10kHz for the duty cycle is 100 and for counts it is 100 For more information about the PWM mode refer to chapter Pulse Width Modulation Mode To switch the LED on or off use the LED output button in the left lower corner Figure 25 The Pulse Width M...

Page 24: ...LED heads feature an EEPROM where the LEDs maximum current limit is stored The user current limit has to be below or equal to this maximum current limit Select Configuration User Limit Current from the menu Figure 27 User Limit Figure 28 User Limit Dialog 3 2 3 6 Device Information Select Info Device Information from the menu to obtain data about the DC2100 unit ...

Page 25: ...n and firmware revision Figure 30 Device Information Dialog If a channel information was selected the appropriate panel appears giving information about the connected LED The head data are only available if the LED comes with an EEPROM The following parameter are available name type serial number wavelength and forward bias Figure 31 Head Information Dialog ...

Page 26: ... pluggable Prior to connecting or exchanging a LED switch off the unit Thorlabs offers a wide range of LEDs which can connected to the DC2100 directly Check our website www thorlabs com You can also connect your own LED The following picture shows the female connector of the DC2100 It is a standard M8x1 sensor circular connector Pin 1 and 2 are the connection to the LED Pin 3 and 4 are used for th...

Page 27: ...rument and install the DC2100 drivers If the following message appears after the installation you have to install NI VISA from the distribution CD or from the National Instruments web site too Figure 33 No VISA Engine installed After successfully installing the software connect the DC2100 to a USB port of your PC The PC will find sequentially a DC2100 and a DFU device Please follow the instruction...

Page 28: ...setConstCurrent Set Constant Current DC2100_getConstCurrent Get Constant Current DC2100_setPWMCurrent Set PWM Current DC2100_getPWMCurrent Get PWM Current DC2100_setPWMFrequency Set PWM Frequency DC2100_getPWMFrequency Get PWM Frequency DC2100_setPWMDutyCycle Set PWM Duty Cycle DC2100_getPWMDutyCycle Get PWM Duty Cycle DC2100_setPWMCounts Set PWM Counts DC2100_getPWMCounts Get PWM Counts DC2100_se...

Page 29: ...aximum current limit in ampere Description Gets the LEDs maximum current limit in ampere 4 3 1 1 5 Set Operation Mode Command DC2100_setOperationMode Parameter Specifies the operation mode Response None Description Sets the operation mode 4 3 1 1 6 Get Operation Mode Command DC2100_getOperationMode Parameter None Response Returns the actual operation mode Description Gets the actual operation mode...

Page 30: ...1 1 12 Get PWM Current Command DC2100_getPWMCurrent Parameter None Response Returns the current used in PWM Mode in ampere Description Gets the current used in PWM mode 4 3 1 1 13 Set PWM Frequency Command DC2100_setPWMFrequency Parameter Specifies the PWM frequency in hertz The valid resolution between 1Hz and 1000Hz is 1Hz Above 1kHz the valid resolution is 100Hz The desired value will be coerce...

Page 31: ...nt Response None Description Sets the display brightness 4 3 1 1 20 Get Display Brightness Command DC2100_getDispBright Parameter None Response Returns the display brightness in percent Description Gets the display brightness 4 3 1 1 21 Get Status Register Command DC2100_getStatusRegister Parameter None Response Returns the status register value Description Reads the content of the instruments sta...

Page 32: ...ED head identification information 4 3 1 1 26 Get Wavelength Command DC2100_getWavelength Parameter None Response Returns the wavelength in nm of the connected LED head In case there is no information available this value will be set to zero Description This function returns the wavelength information of the connected LED head 4 3 1 1 27 Get Forward Bias Command DC2100_getForwardBias Parameter Non...

Page 33: ...nterface Refresh The user has changed settings Table 2 Status Bit List 4 5 Firmware Update Firmware upgrades can be done by the user via the USB interface You need the batch file DC2100_Firmware_Update bat and the hex file DC2100 hex Both files have to be in the same directory Connect the DC2100 with a USB cable to your computer Check the COM port of the DC2100 It has to be COM1 COM2 COM3 or COM4 ...

Page 34: ...rlabs refer to section Addresses If highest precision of measurements is vital to you you should have recalibrated the DC2100 by Thorlabs GmbH about every two years 5 1 1 Version and other Information The menu entry Help à About Thorlabs displays application relevant data Figure 34 About Screen In case of a support request please submit the software version of the application This will help to loc...

Page 35: ...n the External Control Mode when a voltage was applied to the external trigger input at the rear side representing a current which is higher than the limit Decrease the input voltage LED Open Error The LED is switched off because the maximum forward voltage was reached If a LED with more than 24V forward voltage was connected this error can occur Only LEDs with a forward voltage below or equal to ...

Page 36: ...ou to install software at all Ask your system administrator to give you such rights or to do the installation himself See Software Installation for details LED cannot be switched on After pressing the LED button the LED does not emit light Check if the LED current is set to a value larger than 0mA If the Safety Mode is active you can only switch on the LED if you are selected one of the 3 operatio...

Page 37: ...is applicable for fluorescence microscopy illumination Due to the adjustment of the LED current with a linear driver a high dissipation loss can be generated This results in heat and depends on LED type and current The efficiency can be quite low Switching Drivers A switching driver with a constant current output is an efficient LED driver especially for high power LEDs The working principle is ba...

Page 38: ...d more space than conventional constant current linear or switching drivers 6 2 Pulse Width Modulation The Pulse Width Modulation is a modulation whereas the magnitude of the parameter e g electrical current is switched between two values The duty cycle is modulated at a constant frequency The demodulation is done with a low pass filter in general The resulting signal corresponds to the arithmetic...

Page 39: ...rants the hard and software determined by Thorlabs GmbH for this unit to operate fault free provided that they are handled according to our requirements However Thorlabs GmbH does not warrant a faulty free and uninterrupted operation of the unit of the soft or firmware for special applications nor this instruction manual to be error free Thorlabs GmbH is not liable for consequential damages Restri...

Page 40: ...rge Immunity Performance Criterion A IEC 61000 4 6 Conducted RF Immunity Performance Criterion A IEC 61000 4 11 Voltage Dips Short Interruptions and Voltage Variations Immunity Performance Criterion A C 6 IEC 61000 3 2 AC Power Line harmonic Emissions IEC 61000 3 3 Voltage Fluctuations and Flicker FCC EMC Compliance Emissions comply with the Class B Limits of FCC Code of Federal Regulations 47 Par...

Page 41: ...t the LED port 4 Emissions which exceed the levels required by these standards may occur when this equipment is connected to a test object 5 Ext Trig port capped at IEC 61000 4 3 test 6 Performance Criterion C was reached at voltage interruptions test level 0 for 250 300 cycles and is permitted at this test level 7 Replaces 73 23 EEC amended by 93 68 EEC Table 4 Certifications and Compliances ...

Page 42: ...ments 160 x 80 x 150 mm Dimensions W x H x D with operating elements 160 x 80 x 168 mm Table 5 Common Data 1 non condensing 7 3 2 Technical Data All technical data are valid at 23 5 C and 45 15 rel humidity LED Current Range 0 2000mA LED Current Resolution 1mA LED Current Accuracy 20mA LED Forward Voltage 24V PWM Frequency Range 1Hz 10kHz PWM Duty Cycle 1 100 PWM Duty Cycle Resolution 1 PWM number...

Page 43: ...Program SRAM yes no Power down 128kByte FLASH ATmega1281 Program Code no no Cannot be cleared by user 4kbyte EEPROM ATmega1281 User settings no yes Can be overwritten with the device 1kByte EEPROM FTDI FT232R VID PID IO Configuration no no Cannot be cleared by user 256Byte SRAM FTDI FT232R USB receive buffer yes no Power down 128Byte SRAM FTDI FT232R USB transmit buffer yes no Power down ...

Page 44: ...M products that means assemblies to be built into a unit by the user e g OEM laser driver cards components mechanics and optics left over parts of units disassembled by the user PCB s housings etc If you wish to return a Thorlabs unit for waste recovery please contact Thorlabs or your nearest dealer for further information 7 5 1 Waste Treatment on your own Responsibility If you do not return an en...

Page 45: ...ents on the Front Panel Figure 3 Operating Elements on the Rear Panel Figure 4 Welcome Screen Figure 5 No LED Error Screen Figure 6 Main Menu Figure 7 Constant Current Mode Figure 8 Pulse Width Modulation Mode Figure 9 Pulse Width Modulation Current Adjustment Figure 10 Pulse Width Modulation Frequency Adjustment Figure 11 Pulse Width Modulation Duty Cycle Adjustment Figure 12 Pulse Width Modulati...

Page 46: ...d with the purchase of this product Insofar as permitted under statutory regulations we assume no liability for direct damage indirect damage or damages suffered by third parties resulting from the purchase of this product In no event shall any liability exceed the purchase price of the product Please note that the content of this User Manual is neither part of any previous or existing agreement p...

Page 47: ...ales and Support Phone 1 973 579 7227 Fax 1 973 300 3600 Email sales thorlabs com Email techsupport thorlabs com Web www thorlabs com Japan Thorlabs Inc 1th Floor Higashi Ikebukuro Q Building 2 32 2 Higashi Ikebukuro Toshima ku Tokyo 170 0013 Japan Sales and Support Phone 81 3 5979 8889 Fax 81 3 5979 7285 Email sales thorlabs jp Web www thorlabs jp Our company is also represented by several distri...

Page 48: ...ing Started 7 GUI 19 H Help Menu 24 L LED Driver 35 M Maintainance 32 O Operating Elements 9 Ordering Codes 6 P Preperation 7 Pulse Width Modulation 36 Pulse Width Modulation Mode 12 21 R Remote Application 16 19 Requirements 16 S Safety 4 Service 32 Settings 14 15 Software Installation 16 Status Reporting 30 T Technical Data 40 Troubleshooting 33 U Unpacking 7 User Limit Current 14 22 V Version a...

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