THORLABS Blueline LDC2 Series Скачать руководство пользователя страница 14 | Manualshive

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2.3 Operating elements

LDC2xx / page 8

2.3.2 Operating elements on rear panel

Figure 2

Operating elements on the rear panel

R1

Modulation input/ analog control input "MOD IN", -10V … +10 V

R2

Analogue control output "CTL OUT", 0 … ±10V

R3

Fan

R4

Connector for chassis ground

R5

Connector "LD OUT" for laser diode, photodiode, interlock, status-LED

R6

Switch "LD POL" for selecting the laser diode polarity

R7

Serial number of the unit

R8

Letterplate showing allowed and set mains voltage ranges

R9

Mains connector and fuse holder

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Содержание Blueline LDC2 Series

Страница 1: ...Operation Manual Thorlabs Blueline Series Laser Diode Controller LDC2xx 2006 ...

Страница 2: ...Version 1 11 Date 20 06 2006 Copyright 2006 Thorlabs GmbH Germany ...

Страница 3: ...otodiode 12 3 1 4 Analog control output for the laser current 14 3 2 Setting the current limit ILIM 15 3 3 Selecting the laser diode polarity 15 3 4 Constant current mode CONST I 17 3 5 Constant power mode CONST P 18 3 5 1 Changing the IPD setting range 20 3 6 Calibrating the optical power display 21 3 7 Analog modulation of the laser diode 21 3 8 Over temperature protection of the LDC2xx 22 4 Rem...

Страница 4: ...al data LDC202B 36 6 3 5 Individual data LDC205B 37 6 3 6 Individual data LDC210B 38 6 3 7 Individual data LDC220 39 6 4 Thorlabs End of Life policy WEEE 40 6 4 1 Waste treatment on your own responsibility 40 6 4 2 Ecological background 41 6 5 List of acronyms 42 6 6 List of figures 42 6 7 Addresses 43 ...

Страница 5: ... to hearing from you Thorlabs GmbH This part of the instruction manual contains all the specific information on how to operate a current module LDC2 xx A general description is followed by explanations on how to operate the unit manually You will also find information about a simple remote control of the unit Attention This manual contains WARNINGS and ATTENTION labels in this form to indicate per...

Страница 6: ......

Страница 7: ...e following protection circuits Softstart function Adjustable limitation of injection current Interlock open circuit monitoring of the laser diode mount connection Electronic shortcircuit for the laser diode in off mode Separate key to switch the laser diode current on and off Monitoring LED for LASER ON mode The LDC2xx is easy to use due to the clearly structured front panel Operating parameters ...

Страница 8: ...ion input at the rear of the unit For monitoring purposes a voltage proportional to the laser diode current is provided at an analog control output at the rear If an error occurs or the limit for the la ser current is reached the corresponding LED lights up and a short beep gives a warning The installed mains filter and careful tr ansformer shielding provide low ripple and noise at the output The ...

Страница 9: ... the rear panel agrees with your local supply and that the corresponding fuses are inserted If not please have a service technician change the voltage see section 5 2 Changing of the mains fuse can be done by the customer see section 5 3 Replacing the mains fuse The unit must not be operated in explosion endangered environ ments Laser and photodiodes must only be connected with duly shielded conne...

Страница 10: ... strict attention to the safety recommendations of the appropriate laser safety class This laser safety class is marked 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 E...

Страница 11: ... 10 V LDC210B Laser diode controller current range 0 1 A 10 V LDC220 Laser diode controller current range 0 2 A 4 V laser diode heads for different laser diode packages TCLDM9 Temperature controlled laser diode head for 3 and 4 pin TO18 packages 9 mm CD 5 6 mm CD LDM21 Miniature sized temperature controlled laser diode head for 3 and 4 pin TO18 packages 9 mm CD 5 6 mm CD LM14S2 laser diode head fo...

Страница 12: ...onnection cable CAB 400 2 2 Preparation Prior to starting operation with a laser diode controller LDC2xx check if the line voltage specified on the letter plate agr ees with your local supply and if the appropriate fuse is inserted To change t he line voltage see 5 2 Line voltage on page 25 Connect the unit to the line with the provided mains cable Turn the unit on by means of the line switch L11 ...

Страница 13: ...Switch ON On off switch for the laser current L10 Knob to enter set values L11 Mains switch L12 LIM I Potentiometer for setting the current limit L13 CAL Potentiometer for calibrating the power display L14 LED PLD Displaying the optical output power L15 LED IPD Displaying the photodiode current L16 LED ILD Displaying the laser current L17 LED ILIM Displaying current limit L18 DOWN Select the displ...

Страница 14: ...trol input MOD IN 10V 10 V R2 Analogue control output CTL OUT 0 10V R3 Fan R4 Connector for chassis ground R5 Connector LD OUT for laser diode photodiode interlock status LED R6 Switch LD POL for selecting the laser diode polarity R7 Serial number of the unit R8 Letterplate showing allowed and set mains voltage ranges R9 Mains connector and fuse holder ...

Страница 15: ...is internally connected to chassis ground After switching on the unit the LCD display L3 must get visi ble and a LED must light up indicating the selected parameters L14 L17 If no display is shown please check line voltage and line fuse By using the keys L18 and L19 you can select the desired value to be displayed at any time The LDC2xx is immediately ready to use after turning on The rated accura...

Страница 16: ...are used just connect the input LD DRIVER of the laser mount to the output jack LD OUTPUT R5 with the cable CAB400 If a laser mount TCLDM9 by Thorlabs is used the polarity of laser diode and photodiode must additionally be set with two s lide switches inside the laser mount refer to the individual operation manual If other laser diode mounts are used connec t the laser diode and if provided the ph...

Страница 17: ...de cathode at AG 8 laser diode anode at CG 3 laser diode ground photodiode 2 photodiode cathode 4 photodiode anode 3 1 2 Interlock and control LED for LASER ON Pin 1 and pin 5 of the LD OUTPUT jack R5 are test contacts to determine whether a laser diode is connected or not or if the connection to the laser diode has been interrupted during operation Figure 4 Connecting the interlock with and witho...

Страница 18: ...p if the interlock is open 3 1 3 Connecting the laser diode and photodiode Connect laser diode and photodiode according to Figure 5 to the LDC2xx The ground connection of the laser diode pin 3 may be connected to the anode of the photodiode pin 4 or to the cathode of the photodiode pin 2 This connection should be as close as possible to the laser diode to avoid measuring errors If the polarity sel...

Страница 19: ...be connected in series to the photodiode With polarity AG connect the positive terminal of the battery to the cathode of the photodiode and the negative terminal of the battery to pin 2 With polarity CG connect the negative terminal of the battery to the anode of the photodiode and the positive terminal of the battery to pin 4 pin 2 pin 4 AG with Bias CG with Bias Figure 6 Connecting laser diode a...

Страница 20: ...cope or an A D converter card can be connected directly to the output The output CTL OUT R2 provides a voltage of 0 10 V for ILD 0 ILD MAX With laser polarity CG the output voltage is positive 0 10 V with laser polarity AG the output voltage is negative 0 10 V The output CTL OUT R2 is grounded Devices connected to this output should have an input resistance 10 kΩ When connecting a load avoid groun...

Страница 21: ...rameter ILIM If the laser current reaches the set current limit I LIM during operation the LED LIM L7 lights up and a short beep gives a warning The current limit can also be adjusted with the output swit ched on In any case you should avoid an adjustment when the LED LIM L7 lights up 3 3 Selecting the laser diode polarity With the laser diode controller LDC2xx all possible polarities of the laser...

Страница 22: ... R6 NOTE If the mid position of the switch LD POL R6 is selected neither the LED L1 nor L2 lights up The laser current cannot be switched on If the laser diode is connected correctly refer to chapter 3 1 3 but the polarity of the laser diode selected wrong with switch R 6 the laser diode current cannot be switched on If the position of the switch LD POL R 6 is changed with the laser current switch...

Страница 23: ...wly rises about 1 s to the set value with knob L10 NOTE The current output can only be switched on if the jack LD OUTPUT R5 is connected correctly The display shows the injection current ILD With the adjust knob L10 the laser curr ent can be set continuously between 0 mA and the selected current limit ILIM If the injection current I LD reaches the set current limit I LIM during operation the LED L...

Страница 24: ...e LED OPEN L6 extinguishes and the output can be switched on again by pressing ON L9 If a photodiode is connected the display can show the photodiode current IPD or the optical power PLD by pressing the keys L18 or L19 The laser current can be modulated via t he connector MOD IN R3 refer to chapter 3 7 3 5 Constant power mode CONST P With a photodiode connected the laser diode c an also be operate...

Страница 25: ...photodiod e is set wrong refer to chapter 3 3 the laser current I LD increases to the set current limit I LIM after the output is switched on If the photodiode current I PD is interrupted in constant power mode the laser current ILD increases to the set current limit ILIM If the injection current I LD is limited by the se lected current limit I LIM ripple and noise do no longer correspond to the s...

Страница 26: ... 6 mA and 2 mA Turn the potentiometer PD RANGE L24 comp letely to the left i e full scale 0 6 mA Turn the adjust knob L10 completely to the left Select constant power mode CONST P connect the laser diode and the photodiode and switch on the laser current Set the desired photodiode current with the knob L10 If the desired operating point cannot be reac hed even if the knob L10 is turned completely ...

Страница 27: ...e the laser power with an external optical power meter Select the display PLD L5 with the keys L18 or L19 Calibrate the display P LD with potentiometer CAL PD L13 to the value of the actual optical power 3 7 Analog modulation of the laser diode To generate a time dependent injection current ILD or photodiode current IPD these settings can be modulated via an independent ground symmetric modulation...

Страница 28: ...le and noise do no longer correspond to the specif ications for normal operation refer to chapter 6 3 However the set maximum current ILIM cannot be exceeded 3 8 Over temperature protection of the LDC2xx The laser diode controllers LDC205 B LDC210 B and LDC220 have an automatic over temperature protection If overheated by operating errors or high ambient temperatures the current out put of the mod...

Страница 29: ...g the laser diode current If the adjusting knob L10 is set to the le ft stop the set laser diode current value can be controlled with an analog voltage of 0 10 V at the MOD IN input R1 If L10 is at his right stop you can also use a control voltage of 10 V 0 V Thus a setting via D A converter is easily possible Input resistance of L10 is 10 kΩ Monitoring the laser current If an A D converter is con...

Страница 30: ...t to spray liquids or solvents The unit does not need a regular maintenance If necessary the unit and the LCD display can be cleaned with a cloth dampened with water You can use a mild 75 Isopropyl Alcohol solution for more efficient cleaning The LDC2xx does not contain any modules that can be repaired by users If a malfunction occurs send the unit to Thorlabs GmbH for repair To guarantee the spec...

Страница 31: ...t of t he cover With the unit set upright you will find the range switch near the front of the unit next to the transformer see Figure 9 Using a flat blade screwdriver turn the switch to the desired range by aligning the triangle with the appropriate volt age 100V 115V or 230V 15 10 each Ensure that the switch has clicked into one of the three positions and is not between positions On the back of ...

Страница 32: ...f the LDC2xx and disconnect the mains cable 2 Open the fuse drawer in the main s connector R9 see Figure 7 with a screwdriver 3 Replace the defective fuse one spare fuse is included in the fuse holder and close the drawer LDC200V and LDC201U 100 V 250 mA Slow 250V T0 25A250V 115 V 250 mA Slow 250V T0 25A250V 230 V 160 mA Slow 250V T0 16A250V LDC202B LDC205B LDC210B and LDC220 100 V 500 mA Slow 250...

Страница 33: ... fuses of the type Littelfuse NANO2 Slo Blo Fuse 452 454 Series FuseType IEC60127 2 V 5 x 20 mm TYPE LDC 202 S N Tektronix Munich GmbH Made in Germany Option FuseType IEC60127 2 V 5 x 20 mm TYPE LDC 202 S N Tektronix Munich GmbH Made in Germany Option LDC 21 0 220 R452 500 or 0454 500 Fu se Typ e Littelfuse NANO Sl o Bl o 452 454 2 R452 500 or 0454 500 R452 004 or 0454 004 R452 004 or 0454 004 Si1...

Страница 34: ...fuse at the rear panel of the LDC200 mainframe If blown up replace the fuse by the correct type You don t get the desired laser output power Is the interlock closed Control the resistance between the interlock pins of the connector jack not to be more than 430 Ω refer to section 3 1 2 Interlock and control LED for LASER ON on page 11 Do you have turned on the laser output with the ON button Change...

Страница 35: ...ent is negative you must revert the polarity of the photodiode Are you using a bias voltage with the photo diode in photocurrent mode Change the polarity of the diode for photo element mode or change the po larity of the bias voltage source Is the desired output power programmed correctly Adjust the desired output power PLD with the tuning knob If you don t find the error source by means of the tr...

Страница 36: ...rlabs GmbH warrants 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 fault 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 d...

Страница 37: ...immunity Performance criterion C IEC 61000 4 5 Power line Surge Immunity Performance 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 Scien...

Страница 38: ...and laboratory use UL3111 1 Standard for electrical measuring and test equipment U S Nationally Recognized Testing Laboratory Listing ANSI ISA S82 01 1994 Safety standard for electrical and electronic test measuring controlling and related equipment Canadian Certification CAN CSA C22 2 No 1010 1 Safety requirements for electrical equipment for measurement control and laboratory use Additional Comp...

Страница 39: ...input IEC 320 General data Line voltage 100 V 115 V 230 V 10 15 fixed Line frequency 50 60 Hz Power consumption max LDC200V 20 VA LDC201U 20 VA LDC202B 25 VA LDC205B 30 VA LDC210B 40 VA LDC220 60 VA Supply mains overvoltage Category II Cat II Operating temperature1 0 40 C Storage temperature 40 C 70 C Relative Humidity Max 80 up to 31 C decreasing to 50 at 40 C Pollution Degree indoor use only 2 O...

Страница 40: ...ient 50 ppm C Drift at constant ambient temperature 24 hours 0 10 Hz typ 2 µA Constant power mode Control range photodiode current 5 µA 2 mA Setting accuracy 2 µA Resolution photodiode current 0 1 µA Resolution optical power 1 µW Laser current limit Setting range 0 20 mA Setting accuracy 0 05 mA Resolution 1 µA Analog modulation voltage control Input resistance 10 kΩ Small signal 3dB bandwidth con...

Страница 41: ...ent 50 ppm C Drift at constant ambient temperature 24 hours 0 10 Hz typ 2 µA Constant power mode Control range photodiode current 5 µA 2 mA Setting accuracy 2 µA Resolution photodiode current 0 1 µA Resolution optical power 1 µW Laser current limit Setting range 0 100 mA Setting accuracy 0 5 mA Resolution 0 01 mA Analog modulation voltage control Input resistance 10 kΩ Small signal 3dB bandwidth c...

Страница 42: ...cient 50 ppm C Drift at constant ambient temperature 24 hours 0 10 Hz typ 3 µA Constant power mode Control range photodiode current 5 µA 2 mA Setting accuracy 2 µA Resolution photodiode current 0 1 µA Resolution optical power 1 µW Laser current limit Setting range 0 200 mA Setting accuracy 0 5 mA Resolution 0 01 mA Analog modulation voltage control Input resistance 10 kΩ Small signal 3dB bandwidth...

Страница 43: ...ient 50 ppm C Drift at constant ambient temperature 24 hours 0 10 Hz typ 10 µA Constant power mode Control range photodiode current 5 µA 2 mA Setting accuracy 2 µA Resolution photodiode current 0 1 µA Resolution optical power 1 µW Laser current limit Setting range 0 500 mA Setting accuracy 1 5 mA Resolution 0 1 mA Analog modulation voltage control Input resistance 10 kΩ Small signal 3dB bandwidth ...

Страница 44: ...n 50 ppm C Drift at constant ambient temperature 24 hours 0 10 Hz typ 20 µA Constant power mode Control range photodiode current 5 µA 2 mA Setting accuracy 2 µA Resolution photodiode current 0 1 µA Resolution optical power 0 1 mW Laser current limit Setting range 0 1 A Setting accuracy 2 5 mA Resolution 0 1 mA Analog modulation voltage control Input resistance 10 kΩ Small signal 3dB bandwidth curr...

Страница 45: ...t 50 ppm C Drift at constant ambient temperature 24 hours 0 10 Hz typ 100 µA Constant power mode Control range photodiode current 5 µA 2 mA Setting accuracy 2 µA Resolution photodiode current 0 1 µA Resolution optical power 0 1 mW Laser current limit Setting range 0 2 A Setting accuracy 5 mA Resolution 0 1 mA Analog modulation voltage control Input resistance 10 kΩ Small signal 3dB bandwidth curre...

Страница 46: ... the EC still complete not disassembled and not contaminated As the WEEE directive applies to self cont ained operational electrical and electronic products this end of life take back se rvice does not refer to other Thorlabs products such as pure OEM 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 uni...

Страница 47: ...s during decomposition The aim of the Eu ropean RoHS directive is to reduce the content of toxic substances in electronic products in the future The intent of the WEEE dire ctive is to enforce the re cycling of WEEE A controlled recycling of end of live products will t hereby avoid negative impacts on the environment Figure 10 Crossed out wheelie bin symbol ...

Страница 48: ...tier Element VCSEL Vertical Cavity Surface Emitting Laser 6 6 List of figures Figure 1 Display and operating elements at the front panel 7 Figure 2 Operating elements on the rear panel 8 Figure 3 Pin assignment of the LD OUTPUT jack female 11 Figure 4 Connecting the interlock with and without monitoring LED 11 Figure 5 Connecting laser diode and photodiode 12 Figure 6 Connecting laser diode and ph...

Страница 49: ...GmbH Gauss Strasse 11 D 85757 Karlsfeld Germany Sales and Support Phone 49 0 81 31 5956 0 Fax 49 0 81 31 5956 99 Email europe thorlabs com Web www thorlabs com USA Thorlabs Inc 435 Route 206 North Newton NJ 07860 USA Sales and Support Phone 1 973 579 7227 Fax 1 973 300 3600 Email sales thorlabs com Email techsupport thorlabs com Web www thorlabs com ...

Страница 50: ...hi Nerima ku Tokyo 179 0081 Japan Sales and Support Phone 81 3 6915 7701 Fax 81 3 6915 7716 Email sales thorlabs jp Web www thorlabs co jp Please call our hotlines send an Email to ask fo r your nearest distributor or just visit our homepage http www thorlabs com ...

Страница 51: ...p 18 current limit 7 15 D D A 23 display 7 F fuse 26 27 G ground 8 I interlock 11 28 L laserdiode 12 ld output 11 letterplate 8 limit current 7 line voltage 25 M mains voltage 8 25 modulation 21 O operating elements 7 P packing list 6 photodiode 12 polarity 12 15 R remote control 23 repair 24 S safety 3 service 24 T technical data 33 temperature protection 22 troubleshooting 28 W warranty 30 ...

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