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1.8 Connecting components (CG, Cathode Ground Version)

MLC8xxx / page 31

1.8.5 Standard configurations with bias voltage 5V

1.8.5.1 Laser cathode on ground / photo diode cathode on ground

n = number of channel (1 to 8)

Figure 15

Laser CG / photo diode CG, with 5 V bias

1.8.5.2 Laser cathode on ground / photo diode anode on ground

n = number of channel (1 to 8)

Figure 16

Laser CG / photo diode AG

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Summary of Contents for MLC8 Series

Page 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Page 2: ...Operation Manual Thorlabs Blueline Series PRO8000 4 PRO800 Multi laser controller module MLC8xxx 2004 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ...Version 2 10 Date 22 01 2004 Copyright 2004 Thorlabs GmbH Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 4: ...ions no bias voltage 18 1 7 5 Standard configurations with bias voltage 5V 19 1 7 6 Connecting interlock and status display 21 1 8 Connecting components Cathode Ground Version 22 1 8 1 Pinning of the output connector 22 1 8 2 Pin assignment MLC8xxx 23 1 8 3 Connecting laser and monitor diode 28 1 8 4 Standard configurations without bias voltage 29 1 8 5 Standard configurations with bias voltage 5V...

Page 5: ... range RANGE 53 3 2 9 Activating the temperature protection TP 54 3 2 10 Assigning a TEC for temperature protection TPSLOT 54 3 2 11 Reading type of module TYPE 55 3 3 Error messages of an MLC8xxx 56 3 4 Status reporting 58 3 4 1 Standard event status register ESR 60 3 4 2 Standard event status enable register ESE 60 3 4 3 Status byte register STB 61 3 4 4 Service request enable register SRE 61 3 ...

Page 6: ...5 3 Certifications and compliances 72 5 4 Addresses 73 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 7: ...ed by Thorlabs and renamed to Thorlabs GmbH Thorlabs GmbH This operation manual contains every specific information on how to operate a multi laser diode controller module MLC8xxx A general description is followed by explanations of how to operate the unit manually You will also find every information about remote control via the IEEE 488 computer interface Attention This manual contains WARNINGS ...

Page 8: ...alth or even death Modules may only be installed or removed with the mainframe switched off All modules must be fixed with all screws provided for this purpose Modules of the 8000 series must only be operated in the mainframe PRO8000 PRO8000 4 or PRO800 All modules must only be operated with duly shielded connection cables Only with written consent from Thorlabs may changes to single components be...

Page 9: ...priate laser safety class This laser safety class is marked on your PRO8000 4 PRO800 plug in module or on your external laser source used Attention Mobile telephones handy phones or other radio transmitters are not to be used within the range of three meters of this unit since the electromagnetic field intensity may then exceed the maximum allowed disturbance values according to EN 50 082 1 Artisa...

Page 10: ...nit 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 Restriction of warranty The warranty mentioned before does not cover err...

Page 11: ...truction of the mirrors caused by too high optical power Interruption control of the connection cable to the laser diode interlock Protection against accidental operation Electronic short circuit switch for the laser diode Protection against static discharge when touching the switched off laser Separate on and off function for each module Protection against operating errors Control LED for activat...

Page 12: ...urement set up are still working reliably Key operated power switch Protection against unauthorized or accidental use LabVIEW and LabWindows CVI driver For the PRO8000 4 PRO800 Thorlabs supplies LabVIEW and LabWin dows CVI drivers for MS Windows 32 Please refer to our homepage for latest driver updates http www thorlabs com Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE ...

Page 13: ...tational encoder or via remote control by a computer Only the laser diode current limit hardware limit has to be set manually as absolute limit In an automated test set up for different laser diodes no manual settings are required All outputs can operate either in constant current or constant power mode simultaneously All outputs are switched on and off together With the modules MLC8xxx the laser ...

Page 14: ... 25 mA Setting accuracy HW Limit 50 µA 125 µA Resolution HW Limit 1 2 µA 6 µA 1 4 2 MLC8050 8AG CG Selectable range LOW HIGH Current ranges 10 mA 50 mA Setting accuracy 30 µA 150 µA Setting measurement resolution 2 5 µA 12 µA Noise without ripple 10Hz 10MHz 0 5 µA 0 5 µA Ripple 50Hz rms 0 5 µA 0 5 µA Short term fluctuations 15s 0 25 µA 0 5 µA Drift 30min 0 10Hz 0 5 µA 1 5 µA Setting range HW Limit...

Page 15: ...etting accuracy HW Limit 0 25 mA 0 5 mA Resolution HW Limit 6 µA 25 µA 1 4 4 MLC8200 8AG CG Selectable range LOW HIGH Current ranges 50 mA 200 mA Setting accuracy 150 µA 600 µA Setting measurement resolution 12 µA 50 µA Noise without ripple 10Hz 10MHz 0 5 µA 1 5 µA Ripple 50Hz rms 0 5 µA 1 µA Short term fluctuations 15s 0 5 µA 2 µA Drift 30min 0 10Hz 1 5 µA 5 µA Setting range HW Limit 0 50 mA 0 20...

Page 16: ...LC8xxx page 9 1 5 Operating elements at the front of the module Figure 1 Operating elements on front panel Connector for the laser diodes Potentiometer for ILIM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 17: ... the front panel of the module Refer to chapter 1 5 Operating elements at the front of the module on page 9 The value is displayed continually in the channel menu of the module so you can watch it during adjustment CH1 ILS 1 1 234mA CC low IPA 1 0 1234mA ON ILIM1 54 321mA CHANGE Hardware limit ILIM NOTE ILIM1 ILIM8 show the same value not regarding which one is used for setting the hardware limit ...

Page 18: ... page 11 1 7 Connecting components AG Anode Ground Version 1 7 1 Pinning of the output connector Figure 2 Pinning of the MLC8xxx output connector 44 pole female HD SUB Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 19: ... of the MLC Laser and photo diode n 1 8 Figure 3 Principle connections for every laser We recommend to use separate lines drilled in pairs twisted pair in a common shield for laser diode current and monitor diode current respectively The shield must be connected to ground Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 20: ...anode of laser 7 18 LD8A anode of laser 8 13 PD1A anode photo diode 1 42 PD2A anode photo diode 2 10 PD3A anode photo diode 3 39 PD4A anode photo diode 4 7 PD5A anode photo diode 5 36 PD6A anode photo diode 6 4 PD7A anode photo diode 7 33 PD8A anode photo diode 8 43 PD1C cathode photo diode 1 41 PD2C cathode photo diode 2 40 PD3C cathode photo diode 3 38 PD4C cathode photo diode 4 37 PD5C cathode ...

Page 21: ...round Version MLC8xxx page 14 30 GND ground 44 LEDA out for a LED to show the on off status 15 Interlock to be shortened to any GND pin 1 5V 2 5V Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 22: ... to be shortened to any GND pin 16 GND ground 17 GND ground 18 LD8A anode of laser 8 19 GND ground 20 LD7A anode of laser 7 21 LD6A anode of laser 6 22 GND ground 23 LD5A anode of laser 5 24 LD4A anode of laser 4 25 GND ground 26 LD3A anode of laser 3 27 LD2A anode of laser 2 28 GND ground 29 LD1A anode of laser 1 30 GND ground 31 GND ground 32 PD8C cathode photo diode 8 33 PD8A anode photo diode ...

Page 23: ...e 16 40 PD3C cathode photo diode 3 41 PD2C cathode photo diode 2 42 PD2A anode photo diode 2 43 PD1C cathode photo diode 1 44 LEDA out for a LED to show the on off status Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 24: ...rrent controller This is of considerable advantage regarding the safety of the laser diode and the stability of the laser diode current The monitor diode input is set up as trans impedance amplifier with virtual ground input impedance 0Ω The polarity of the photo diode may be selected free It can also be floating The monitor diode input can be used with or without bias voltage 5 V or 0 V Therefore...

Page 25: ...ode on ground photo diode cathode on ground n number of channel 1 to 8 Figure 4 Laser AG photo diode CG no bias 1 7 4 2 Laser anode on ground photo diode anode on ground n number of channel 1 to 8 Figure 5 Laser AG photo diode AG no bias Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 26: ...o diode floating no bias a bridge dashed line may be used either at the laser or at the connector 1 7 5 Standard configurations with bias voltage 5V 1 7 5 1 Laser anode on ground photo diode cathode on ground n number of channel 1 to 8 Figure 7 Laser AG photo diode CG 5V bias Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 27: ...8 Laser AG photo diode AG 5V bias 1 7 5 3 Laser anode on ground photo diode floating n number of channel 1 to 8 Figure 9 Laser AG photo diode floating 5V bias Attention Reverse connection of the photo diode using a bias voltage can cause permanent damage to the device Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 28: ...wo pins a low resistive 430Ω connection must be maintained Also short circuiting is permitted With the contacts open the multi laser controller module cannot be switched on Should the contact open during operation the output will be switched off immediately Status display It is also possible to use a LED with anode to pin 44 and cathode to any GND pin as status display The LED will light up if the...

Page 29: ...age 22 1 8 Connecting components CG Cathode Ground Version 1 8 1 Pinning of the output connector Figure 10 Pinning of the MLC8xxx output connector 44 pole female HD SUB D Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 30: ...t of the MLC Laser and photo diode n 1 8 Figure 11 Principle connections for every laser We recommend to use separate lines drilled in pairs twisted pair in a common shield for laser diode current and monitor diode current respectively The shield must be connected to ground Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 31: ... 2 10 PD3A anode of the photo diode of laser 3 39 PD4A anode of the photo diode of laser 4 7 PD5A anode of the photo diode of laser 5 36 PD6A anode of the photo diode of laser 6 4 PD7A anode of the photo diode of laser 7 33 PD8A anode of the photo diode of laser 8 43 PD1C cathode of the photo diode of laser 1 41 PD2C cathode of the photo diode of laser 2 40 PD3C cathode of the photo diode of laser...

Page 32: ...Ground Version MLC8xxx page 25 30 GND ground 44 LEDA out for a LED to show the on off status 15 Interlock to be shortened to any GND pin 1 5V 2 5V Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 33: ...ened to any GND pin 16 GND ground 17 GND ground 18 LD8C cathode laser 8 19 GND ground 20 LD7C cathode laser 7 21 LD6C cathode laser 6 22 GND ground 23 LD5C cathode laser 5 24 LD4C cathode laser 4 25 GND ground 26 LD3C cathode laser 3 27 LD2C cathode laser 2 28 GND ground 29 LD1C cathode laser 1 30 GND ground 31 GND ground 32 PD8C cathode photo diode 8 33 PD8A anode photo diode 8 34 PD7C cathode ph...

Page 34: ...ge 27 40 PD3C cathode photo diode 3 41 PD2C cathode photo diode 2 42 PD2A anode photo diode 2 43 PD1C cathode photo diode 1 44 LEDA out for a LED to show the on off status Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 35: ...urrent controller This is of considerable advantage regarding the safety of the laser diode and the stability of the laser diode current The monitor diode input is set up as trans impedance amplifier with virtual ground input impedance 0 Ω The polarity of the photo diode may be selected free It can also be floating The monitor diode input can be used with or without bias voltage 5 V or 0 V Therefo...

Page 36: ...athode on ground photo diode cathode on ground n number of channel 1 to 8 Figure 12 Laser CG photo diode CG no bias 1 8 4 2 Laser cathode on ground photo diode anode on ground n number of channel 1 to 8 Figure 13 Laser CG photo diode AG no bias Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 37: ... cathode on ground photo diode floating n number of channel 1 to 8 Figure 14 Laser CG photo diode floating no bias a connection dashed line may be done either at the laser or at the connector Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 38: ...cathode on ground photo diode cathode on ground n number of channel 1 to 8 Figure 15 Laser CG photo diode CG with 5 V bias 1 8 5 2 Laser cathode on ground photo diode anode on ground n number of channel 1 to 8 Figure 16 Laser CG photo diode AG Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 39: ...tor jack will serve as test connector to determine whether the current output for the laser diode may be switched on Between the two pins a low resistance 430 Ω must be maintained Also short circuiting is permitted With the contacts open the multi laser controller module cannot be switched on Should the contact open during operation the output is switched off immediately Status display It is also ...

Page 40: ...series all settings are executed at once It is not necessary to confirm the set values 2 1 Functions in the main menu 2 1 1 Display The main menu shows the channel number mode range and status of the MLC8xxx module channel no Cursor mode range status CH1 Iconst low off CH2 Iconst low off CH3 Iconst low off TUNE Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg...

Page 41: ... input by setting the cursor to the channel number of the desired module using the softkeys and CH2 Pressing will lead to the channel menu Refer to chapter 2 2 Functions in the channel menu starting on page 35 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 42: ...sor operating parameters CH3 RANGE LOW CC low MODE Iconst OFF Twin OFF CHANGE status field operating mode Only three parameters can be shown at a time so there is a scroll function All parameters are sorted in a virtual list which can be run through with the cursor RANGE LOW MODE Iconst Twin OFF Twin slot ILS 1 19 000mA IPA 1 0 0022mA ILIM1 59 000mA ILS 8 19 000mA IPA 8 0 0022mA ILIM8 59 000mA Art...

Page 43: ... during operation In the channel menu you find some abbreviations which are explained as follows In constant current mode ILS 1 ILS 8 Laser diode set current of channel 1 8 IPA 1 IPA 1 Photo diode actual current of channel 1 8 In constant power mode IPS 1 IPS 8 Photo diode set current of channel 1 8 ILA 1 ILA 8 Laser diode actual current of channel 1 8 In both modes ILIM1 ILIM8 Limit current is th...

Page 44: ...e the selected parameter If the parameter is only to toggle e g the polarity of the laser diode the function of the softkeys will change TOGGLE const CUR POW Pressing the right softkey toggles the mode Pressing will terminate the procedure NOTE Some parameters can not be changed as they are measurement values i e the laser voltage or may not be changed with the laser switched on In these cases acc...

Page 45: ...e temperature of the laser changes the optical power will change too since the laser efficiency will change In the channel menu you can select the mode Iconst If the set up uses a monitor diode receiving a certain part of the laser light the measured monitor diode current can be kept constant by adjusting the laser diode current correspondingly Changes in temperature of the laser will cause a chan...

Page 46: ...de of the laser diodes shall be changed the parameter MODE can be set to Iconst Constant current mode Pconst Constant power mode Refer to chapter 2 2 2 Changing parameters on page 37 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 47: ...gned to the MLC8xxx as described here Two steps are necessary First the parameter Twin slot must be set to the slot number of the desired TED8xxx If only one TED8xxx is inserted the slot number is recognized automatically 2 2 6 Activating the temperature protection Second the temperature protection must be switched ON Twin ON If the temperature protection shall not be active it has to be switched ...

Page 48: ...e MLC8xxx first set the laser diode current limit ILIM hardware limit for the applied laser diodes with a screwdriver The corresponding potentiometer is marked ILIM and is situated at the front panel of the current module Refer to chapter 1 6 1 Setting hardware limit ILIM on page 10 Pressing the key will switch on the module not regarding the menu you are in as long as the module is selected LED S...

Page 49: ...pt Possible error messages for an MLC8xxx module are INTERLOCK Interlock line is open or has opened ctrl Temp Laser temperature left temperature window OTP Module is overheated Operation is possible after cooling down Vcc fail Internal supply voltage fails module needs maintenance Not if LD on Certain parameters are not allowed to be changed while laser is ON TWIN Laser temperature left temperatur...

Page 50: ...ng to switch on it is written in cursor arrows CH1 interlock If an error occurs it has to be acknowledged by pressing ok Until acknowl edgement further operation is locked Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 51: ...en in SI units i e A not mA W not mW etc Letters may be written in small or capital letters Attention Before programming a multi laser diode controller module first set the limit value of the laser diode current ILIM hardware limit for the applied laser diodes with a screwdriver The corresponding potentiometer is marked ILIM and is situated at the front panel of the MLC8xxx module The value ILIM i...

Page 52: ...icolon IDN STB 3 1 2 Data format According to the IEEE 488 2 specifications all data variables are divided into 4 different data formats Character response data CRD Is a single character or a string Examples A or ABGRS or A125TG or A1 23456A Refer to IEE488 2 8 7 1 Numeric response data Type 1 NR1 Is a numerical value with sign in integer notation Examples 1 or 1 or 22 or 14356789432 Refer to IEE4...

Page 53: ...nt Examples 1 1 or 1 1 or 22 1 or 14356 789432 Refer to IEE488 2 8 7 3 Numeric response data Type 3 NR3 Is a numerical value with or without sign in floating point notation with exponent with sign Examples 1 1E 1 or 1 1E 1 or 22 1E 1 or 143 56789432E 306 Refer to IEE488 2 8 7 4 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 54: ...O8000 4 1 2 PRO800 SLOT Queries the selected slot SLOT NR1 LF 3 2 2 Selecting the channel PORT Programming PORT 1 Select port 1 for further commands PORT 2 Select port 2 for further commands Reading PORT Read the selected port PORT NR1 LF Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 55: ...NR3 Program the laser diode stop current for ELCH ILD MEAS NR1 Program the laser diode current as measurement value on position NR1 in the output string for ELCH NR1 1 8 Reading ILD SET Read the laser diode set current ILD SET NR3 LF ILD ACT Read the actual laser diode current ILD ACT NR3 LF ILD MIN Read the minimum laser diode current allowed ILD MIN NR3 LF ILD MAX Read the maximum laser diode cu...

Page 56: ..._R NR3 LF ILD MAX_R Read the maximum laser diode current for Ild ADC FFFF ILD MAX_R NR3 LF ILD START Read the laser diode start current for ELCH ILD START NR3 LF ILD STOP Read the laser diode stop current for ELCH ILD STOP NR3 LF ILD MEAS Read the position of the laser diode current as measurement value in the output string for ELCH 1 8 0 if not selected ILD MEAS NR1 LF Artisan Technology Group Qu...

Page 57: ...set current IMD START NR3 Program the monitor diode start current for ELCH IMD STOP NR3 Program the monitor diode stop current for ELCH IMD MEAS NR1 Program the monitor diode current to be measurement value in the ELCH output string on position NR1 1 8 Reading IMD SET Read the monitor diode set current IMD SET NR3 LF IMD ACT Read the actual monitor diode current IMD ACT NR3 LF IMD MIN Read minimum...

Page 58: ...current for Ipd ADC 0000 IMD MIN_R NR3 LF IMD MAX_R Read maximum monitor diode current for Ipd ADC FFFF IMD MAX_R NR3 LF IMD START Read the monitor diode start current for ELCH IMD START NR3 LF IMD STOP Read the monitor diode stop current for ELCH IMD STOP NR3 LF IMD MEAS Read the position of the monitor diode current as measurement value in the ELCH output string 1 8 0 if not selected IMD MEAS NR...

Page 59: ...ER Read status of the laser output LASER ON LF LASER OFF LF 3 2 6 Reading the laser diode hardware limit LIMCP Reading LIMCP ACT Read the actual hardware limit LIMCP ACT NR3 LF LIMCP MIN_R Read Imax ADC 0000 LIMCP MIN_R NR3 LF LIMCP MAX_R Read Imax ADC FFFF LIMCP MAX_R NR3 LF Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 60: ...ower mode Reading MODE Read the mode of operation MODE CC LF MODE CP LF 3 2 8 Setting the current range RANGE Programming RANGE NR1 Setting the current range 0 low current or 1 high current Reading RANGE Read the current range RANGE NR1 LF Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 61: ... off Reading TP Read status of the temperature protection TP ON LF TP OFF LF 3 2 10 Assigning a TEC for temperature protection TPSLOT Programming TPSLOT NR1 Program assigned slot number 1 8 for PRO8000 4 1 2 for PRO800 Reading TPSLOT Read assigned slot number TPSLOT NR1 LF Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 62: ... TYPE Reading TYPE ID Read the module ID here 47 TYPE ID 47 LF TYPE SUB Read module subtype 0 Anode ground version TYPE SUB 0 LF 1 Cathode ground version TYPE SUB 1 LF Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 63: ...ernal power failure Possible reason Try to switch on the output while an internal power failure occurred 1607 No setting of ILD during constant power mode Possible reason The set value of the laser diode current can not be changed in constant power mode 1608 No setting of IMD during constant current mode Possible reason The set value of the monitor diode current cannot be changed in constant curre...

Page 64: ...erature window 1621 Attempt to activate Twin although there is no TEC in the system Possible reason The temperature window protection can only be activated if a TEC module is present in the PRO8000 4 PRO800 1622 Attempt to activate Twin during laser on Possible reason The temperature window protection can only be activated if the laser diode output is switched off 1623 No TEC in this slot Possible...

Page 65: ...arious service request functions and status reporting Please refer to the IEEE488 2 1992 standard chapter 11 Figure 18 The MLC8xxx device error registers DEC DEE and EDE STAT DECn n Slot number Power limit Power Supply Error Temperature out of window with TEC Current limit Interlock Open Open Circuit LD Over Temperature Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www ...

Page 66: ...x page 59 Figure 19 The PRO8000 4 PRO800 register ESR ESE STB and SRE Output buffer ERROR Queue or serial poll Service Request Generation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 67: ...ation complete Can be set with OPC The ESR can be read directly with the command ESR This read command clears the ESR The content of the ESR can not be set The bits are active high 3 4 2 Standard event status enable register ESE The bits of the ESE are used to select which bits of the ESR shall influence bit 5 ESB of the STB The 8 bits of the ESE are combined with the according 8 bits of the ESR v...

Page 68: ... queue FIN command FINished This bit is high after a command has finished and all bits of the STB have been set The STB can be read directly with the command STB The content of the STB can not be set The bits are active high All bits except bit 6 of the STB can be used to assert a service request SRQ Please refer to 3 4 5 Alternatively the SRQ can be recognized using the command STB Please refer t...

Page 69: ...controller does not listen to SRQ s at all the service request can be detected by reading the status byte with the command STB If bit 6 is logical 1 a service request was asserted 3 4 7 Reading the STB by serial poll If the controller does not support auto serial poll the service request can also be detected via manual serial poll If bit 6 is logical 1 a service request was asserted Artisan Techno...

Page 70: ... limit The current limit is reached and the protection circuit is active now Noise and drift specs are not valid any more 4 Temperature out of window Appropriate laser temperature controlled by an TEC module is out of specified window 8 Power supply error Internal power supply error 11 Power limit The given hard or software power limit is reached The DEC can be read but not set Reading does not cl...

Page 71: ...STB The 8 bits of the EDE are related by logical AND to the according 8 bits of the DEE This 8 results are connected by logical OR so that any hit leads to a logical 1 in bit 3 DES of the STB As any bit of the STB can assert an SRQ every error bit of the DEE can be used to assert an SRQ Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 72: ... interlock connection the laser output must go into OFF state immediately Besides the above mentioned point the MLC8xxx modules do not need any further maintenance by the user If highest precision of measurements is vital to you you should have recalibrated the MLC8xxx module about every two years Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 73: ...ame PRO8000 4 PRO800 turned on Turn on your PRO8000 4 PRO800 with the key mains switch Control the fuse at the rear panel of the PRO8000 4 PRO800 mainframe If blown up replace the fuse by the correct type refer to your PRO8000 4 PRO800 mainframe operating manual to select the appropriate fuse The PRO8000 4 PRO800 display works but not the module Is the module inserted correctly and are all mountin...

Page 74: ...ect the desired port for input on the display by means of the up and down arrow keys or by the PORT NR1 command Do you have turned on the laser output in the main menu or one of the sub menus Change the status setting from off to on The LED ON on the front panel of the module must be on Is the hardware limit ILIM set to 0 Adjust the hardware limit ILIM by means of the potentiometer on the MLC8xxx ...

Page 75: ...e setting or with no TEC connected Change settings install TEC or turn off the window function If you don t find the error source by means of the trouble shooting list or if more modules work erratic please first connect the Thorlabs Hotline blueline thorlabs com before sending the whole PRO8000 4 800 system for checkup and repair to Thorlabs Germany refer to section 5 4 Addresses on page 73 Artis...

Page 76: ...r DES Device Error Status EAV Error AVailable EDE Enable Device Error Event Register EDFA Erbium Doped Fiber Amplifier ELCH ELectrical Characterization EOI End Of Information ESE Standard Event Status Enable register ESR Event Status Register FIN Command FINished GET Group Execute Trigger GTL Go To Local IEEE Institute for Electrical and Electronic Engineering LD Laser Diode LDC Laser Diode Contro...

Page 77: ... OTP Over TemPerature PC Personal Computer PD Photo Diode RQS ReQuest Service Message SDC Selected Device Clear SEL SELect SRE Service Request Enable Register SRQ Service ReQuest STB STatus Byte Register SW Soft Ware TEC ThermoElectric Cooler Peltier Element TRG TRiGger Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 78: ...aser AG photo diode floating 5V bias 20 Figure 10 Pinning of the MLC8xxx output connector 22 Figure 11 Principle connections for every laser 23 Figure 12 Laser CG photo diode CG no bias 29 Figure 13 Laser CG photo diode AG no bias 29 Figure 14 Laser CG photo diode floating no bias 30 Figure 15 Laser CG photo diode CG with 5V bias 31 Figure 16 Laser CG photo diode AG 31 Figure 17 Laser CG photo dio...

Page 79: ...rmance criterion C IEC 61000 4 6 Conducted RF Immunity Performance criterion B IEC 61000 4 11 Voltage Dips and Interruptions Immunity Performance criterion C EN 61000 3 2 AC Power Line Harmonic Emissions Complies with the Radiocommunications Act and demonstrated per EMC Emission standard1 2 3 AS NZS 2064 Industrial Scientific and Medical Equipment 1992 Australia New Zealand Declaration of Conformi...

Page 80: ...m Internet http www thorlabs com Technical Hotline blueline thorlabs com Our company is also represented by several distributors and sales offices throughout the world Please call our hotline send an E mail to ask for your nearest distributor or just visit our homepage http www thorlabs com Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 81: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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