ILX Lightwave LDX-3412 User Manual Download Page 2

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User’s Guide

Precision Current Source

LDX-3412

ILX Lightwave Corporation P. O. Box 6310 Bozeman, MT, U.S.A. 59771

· ·

· 1-800-459-9459 ·

www.ilxlightwave.com

U.S. & Canada

International Inquiries

: 406-586-1244 Fax 406-586-9405

70001304_R00_01/04

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for LDX-3412

Page 1: ...erutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In st...

Page 2: ...Box 6310 Bozeman MT U S A 59771 1 800 459 9459 www ilxlightwave com U S Canada International Inquiries 406 586 1244 Fax 406 586 9405 E mail support ilxlightwave com 70001304_R00_01 04 Artisan Technol...

Page 3: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 4: ...stions and Problems vi Chapter 1 General Information Product Overview 1 Specifications 2 Your Comments 2 Chapter 2 Operation Installation 3 AC Power Considerations 3 LDX 3412 Familiarization 3 Front P...

Page 5: ...s 7 Operating Instructions 7 Connecting to Your Device 7 System Interlock 7 Photodiode Feedback Connections 7 Laser Diode Connections and Shielding 9 Grounding Considerations 9 General Operating Proce...

Page 6: ...ch can result in serious injury or death WARNING Visible and or invisible laser radiation Avoid direct exposure to the beam General Safety Considerations If any of the following conditions exist or ar...

Page 7: ...g Operating temperature range of 0 C to 40 C Storage and transportation temperature of 40 C to 70 C Maximum altitude 3000 m 9843 ft This equipment is suitable for continuous operation Safety Marking S...

Page 8: ...omer Service 2 Attach a tag to the instrument identifying the owner and indicating the required service or repair Include the instrument serial number from the rear panel of the instrument 3 Attach th...

Page 9: ...damage or shortages on the packing list If the instrument is damaged file a claim with the carrier The factory will supply you with a quotation for estimated costs of repair You must negotiate and se...

Page 10: ...you contact us please have the following information If ILX Lightwave determines that a return to the factory is necessary you are issued a Return Authorization RA number Please mark this number on th...

Page 11: ...ation in a container with at least 3 inches 7 5cm of compressible packaging material on all sides We look forward to serving you even better in the future Artisan Technology Group Quality Instrumentat...

Page 12: ...nded under all conditions There are three modes of operation for the LDX 3412 1 Constant Power which allows photodiode feedback to control the output current 2 Constant Current in which feedback from...

Page 13: ...00 ppm oC ambient Stability 10 30 min 50 ppm Noise and ripple at 100 mA 10 A rms Transients 100 A DISPLAY Type 3 1 2 digit green LED Max Reading 199 9 mA Accuracy at 25 C 0 2 mA CURRENT LIMIT Range 1...

Page 14: ...Power Considerations The LDX 3412 can be configured for operation with nominal line voltages of 100 120 220 and 240 VAC The unit is configured at the factory for the appropriate range Make sure the AC...

Page 15: ...eration by turning the MODE knob to the desired mode CONST P selects constant power mode for photodiode feedback control CONST I selects constant current mode for normal operation LIMIT DISPLAY select...

Page 16: ...automatically cause the output to reset to the off state Power Drop outs AC line power drop outs lasting more than about 10 msec will trigger an internal power monitor and cause the output to switch u...

Page 17: ...is lit when the unit is operated in the LIMIT DISPLAY mode This is done to remind the user that LIMIT DISPLAY mode is in operation and the OUTPUT switch is inactive Rear Panel The rear panel contains...

Page 18: ...3412 When the CONST P mode is selected the user may adjust the feedback gain for proper testing of a laser diode Turning the COARSE and FINE controls counter clockwise CCW will increase the feedback g...

Page 19: ...he connector at pins 6 and 7 Many laser diode modules contain an internal photodiode that monitors the back facet emission of the laser This photodiode is usually internally connected to either the la...

Page 20: ...A large resistance of 1 Mohm connected from the laser cathode to the photodiode anode may be used in place of the direct connection This is done to keep the feedback inputs within the specified maximu...

Page 21: ...derations The outputs of the LDX 3412 are isolated from chassis ground allowing either output terminal to be grounded at the user s option Figures 2 4 2 7 show the proper earth ground shielding for th...

Page 22: ...ontrol clockwise CW until the proper feedback is reached Turning the GAIN controls clockwise CW will increase the output current If the FINE control is turned fully clockwise but the proper gain has n...

Page 23: ...O P E R A T I O N Installation 12 LDX 3412 C H A P T E R 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 24: ...alibrations and a detailed report showing any pre calibration out of tolerance conditions is available upon request Calibration turn times are normally five business days or less On site calibrations...

Page 25: ...D should be lit Check the OPEN CKTindicator If it is lit there is an open in the output circuit Output current at limit cannot be lowered Check the current output control knob Set it fully counter clo...

Page 26: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...