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ILX Lightwave LDC-3916 User Manual

Laser diode controller mainframe
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ILX Lightwave LDC-3916 User Manual

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Summary of Contents for ILX Lightwave LDC-3916

  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 User’s Guide Laser Diode Controller Mainframe LDC-3916 ILX Lightwave Corporation P. O. Box 6310 Bozeman, MT, U.S.A. 59771 · · · U.S. & Canada 1-800-459-9459 · International Inquiries: 406-586-1244 Fax 406-586-9405 · E-mail: support@ilxlightwave.com www.ilxlightwave.com 70026505_6/01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 4: Table Of Contents

    Initial Inspection ..........1 Installing the LDC-3916 Laser Diode Controller ......2 Grounding Requirements .
  • Page 5 Using the LDC-3916 Menu Structure ........11...
  • Page 6 Command Reference LDC-3916 Device-Dependent Commands ......36 Device-Dependent Command Reference ......37 Index .
  • Page 7 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 8: List Of Figures

    Figure 2.17 Status Screen page 2 ....... . . 18 Figure 2.18 LDC-3916 Controller Back Panel ......19 Figure 3.1 GPIB Cable Connections .
  • Page 9 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 10: List Of Tables

    Table 4.1 Device-Dependent Commands ......36 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 11 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 12: Safety And Warranty Information

    • Prolonged storage under adverse conditions • Failure to perform intended measurements or functions If necessary, return the instrument to ILX Lightwave, or authorized local ILX Lightwave distributor, for service or repair to ensure that safety features are maintained (see the contact information on page vi).

  • Page 13: Safety Symbols

    Technical specifications including electrical ratings and weight are included within the manual. See the Table of Contents to locate the specifications and other product information. The following classifications are standard across all ILX Lightwave products: • Indoor use only • Ordinary Protection: This product is NOT protected against the harmful ingress of moisture.

  • Page 14: Warranty

    Returning an Instrument If an instrument is to be shipped to ILX Lightwave for repair or service, be sure to: Obtain a Return Authorization number (RA) from ILX Customer Service. Attach a tag to the instrument identifying the owner and indicating the required service or repair.

  • Page 15: Comments, Suggestions, And Problems

    W A R R A N T Y Comments, Suggestions, and Problems To ensure that you get the most out of your ILX Lightwave product, we ask that you direct any product operation or service related questions or comments to ILX Lightwave Customer Support.

  • Page 16: Chapter 1 Introduction

    ESD caps on the rear of the instrument in case you have to return the instrument to ILX Lightwave or ship it elsewhere. Shipping damage is not covered under the standard instrument warranty. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 17: Installing The Ldc-3916 Laser Diode Controller

    I N T R O D U C T I O N C H A P T E R Installing the LDC-3916 Laser Diode Controller Installing the LDC-3916 Laser Diode Controller This section provides information about the necessary requirements to install the LDC−3916 and how to begin operating the instrument.

  • Page 18: Tilt-Foot Adjustment

    I N T R O D U C T I O N C H A P T E R Installing the LDC-3916 Laser Diode Controller GPIB address locally (via the front panel). A procedure for changing the address can be found in Changing the GPIB Address on page 23.

  • Page 19: Maintenance

    I N T R O D U C T I O N C H A P T E R Installing the LDC-3916 Laser Diode Controller Modulation Input 15−pin TEC GPIB Connector Channel 1 BNC Connector Connector Channel 16 Power Cord Connector 9−pin LD...

  • Page 20: Table 1.1 General Specifications

    120 VAC at 60Hz, 220 VAC at 50/60 Hz, 230−240 VAC at 50/60Hz 0 to +40 °C operating; −40 to +70 °C storage Temperature Humidity < 90% relative humidity, non−condensing. Display type Vacuum Fluorescent Display (VFD) 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 21: Options And Accessories

    TS−510 Uncalibrated 10 kΩ Thermistor TS−520 Other Laser Diode Mounts and Thermistor models are available. Please contact ILX Lightwave for information on additional options for your applications. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 22: Chapter 2 Operations

    After this LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 23: The Power On State

    Status Screen. Power down the instrument and check to see if the modules are correctly seated and fastened to the mainframe. If you continue to experience power up problems, power down the instrument and contact an ILX Lightwave Customer Service Representative.

  • Page 24: Ldc-3916 Front Panel Controls

    O P E R A T I O N S C H A P T E R LDC-3916 Front Panel Controls LDC-3916 Front Panel Controls All key operating parameters for the LAS (laser) and TEC modules can be set, adjusted, and displayed through established menus.

  • Page 25: Adjust Controls

    O P E R A T I O N S C H A P T E R LDC-3916 Front Panel Controls Adjust Controls The Adjust section of the front panel provides various means of entering or modifying instrument parameters. These include a "10−key" numeric keypad, a rotary knob (digital encoder), and Up/Down Arrow keys.

  • Page 26: Using The Ldc-3916 Menu Structure

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure Using the LDC-3916 Menu Structure This section describes the menus, how they are structured, and how to navigate through them.

  • Page 27: System Configuration

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure System Configuration The System Configuration menu is accessed from the Main menu. Pressing the appropriate soft key provides access to: •...

  • Page 28: Calibration

    You should see a rectangular grid. If you find a display problem, contact the Customer Service Department of ILX Lightwave (See Comments, Suggestions, and Problems on page xii., for more information.). Pressing the Main or Chnl keys will return you to those specific menus.

  • Page 29: Save And Recall

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure performance verification indicates that calibration is necessary (such as any difference between the displayed Laser current and the actual laser current which exceeds the specified value). Calibrate the instrument under laboratory conditions.

  • Page 30: All Channel Menu

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure To recall an instrument setup, select the desired bin number as above and press the Recall soft key.

  • Page 31: Setting All Tec

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure the desired fields are set correctly, turn on all 16 channel outputs with the On soft key. Use the Up Arrow soft key to return to the All Channel menu.

  • Page 32: Status Menu

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure soft key to get back to the All TEC p.1 menu and turn on all 16 channel outputs with the On soft key.

  • Page 33: Figure 2.16 Summary Screen

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure text is highlighted, the output is on for that respective channel. Blanks indicate that there is no module present in that slot.

  • Page 34: Modulating The Controller Laser Current Sources

    O P E R A T I O N S C H A P T E R Using the LDC-3916 Menu Structure Modulating the Controller Laser Current Sources The LDC−3916 Laser Diode Controller allows a modulated signal to be superimposed on the Laser current of any or all current source modules.
  • Page 35 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 36: Operating In Remote Control

    If there is more than one controller, only one can be the Controller In Charge (CIC). Control can be passed from one controller to another. In a multiple controller system, there can be one "System Controller’\" capable of asserting control (becoming CIC). LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 37: Gpib Cable Connections

    • REN (remote enable) is set by the controller to place addressed devices into remote or local (front panel) control mode. • SRQ (service request) can be set by any device in the system to request service from the controller. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 38: Reading The Gpib Address

    System Config. menu. Next, press the Comm. soft key to access the Config Comm. menu. The instrument will display the baud rate there. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 39: Changing The Baud Rate

    (SRQ) via GPIB would not be visible since RS−232 has no hardware to support it. This is because SRQ is a function of the GPIB interface hardware and is not available via RS−232. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 40: Laser Diode Controller Command Set

    A query has no space between the mnemonic and the question mark. For example: Okay Not Okay TIMER? TIMER ? Note that too many consecutive white spaces can overflow the 80−byte data I/O buffer. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 41: Terminators

    For more information on these definitions, refer to the IEEE−488.2 standard. There are no default values for omitted parameters. If a command is expecting a parameter and none is entered, an error is generated. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 42: Table 3.1 Substitute Parameter Names

    Figure 4.1 lists some of the LDC−3916’s device−dependent commands, with the full path shown for each command and a brief explanation of its usage. Device−dependent commands for each module are listed in the module’s instruction manual. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 43: Command Tree Structure

    (Carriage Return − New Line − EOI). The instrument ignores <CR> (Carriage Return) as white space. The LDC−3916 terminates its responses with <CR><NL><^END>, unless you use the TERM command to change it. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 44: Ieee 488.2 Common Commands

    *PSC *PSC? *PUD *PUD? *RCL *RST *SAV *SRE? *SRE *STB? *TST? *WAI For more information on these commands, refer to an ANSI/IEEE 488.2−1987 standards reference. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 45: Ldc-3916 Controller-Specific Commands

    O P E R A T I N G I N R E M O T E C O N T R O L C H A P T E R Status Reporting LDC-3916 Controller-Specific Commands The LDC−3916’s command set can be divided into three categories: 1) IEEE 488.2 common commands, 2) LDC−3916 mainframe commands, and 3) module−dependent commands. The IEEE 488.2 common commands and LDC−3916 mainframe commands are documented in this manual.

  • Page 46: Figure 3.4 Status Reporting Schematic Diagram

    If the GPIB times out while waiting for a response, either set the GPIB time−out to be longer or use SRQ−generated interrupts in your program. See your GPIB manual for time−out configuration or SRQ programming setup. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 47: Command Timing

    In most cases this does not create a problem since the time between parsing a query and sending its response is small. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 48: Error Messages

    A <RESPONSE MESSAGE> was ready, but the controller failed to address the device to talk. E−302 Device was addressed to talk, but controller failed to read all of the message. E 710 Over−temperature Error found on internal sensor #1. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 49 E 712 Over−temperature Error found on internal sensor #3. E 713 Power Brown−out Error detected. E 714 Internal Error writing to display. E 9xx Internal communications warnings. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 50: Command Reference

    Diode Controller. The chapter is divided into two parts. The first contains an overview of the remote commands used by the LDC−3916, as shown in Table 4.1. The second part contains all of the LDC− 3916 command descriptions, listed in alphabetical order. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 51: Ldc-3916 Device-Dependent Commands

    C O M M A N D R E F E R E N C E C H A P T E R LDC-3916 Device-Dependent Commands LDC-3916 Device-Dependent Commands Table 4.1 Device−Dependent Commands Name Parameters Function NONE Returns the summary of all 16 channels’ condition bits which are ALLCOND? further summarized in the Status Byte.

  • Page 52: Device-Dependent Command Reference

    Byte register is set. "Rad bin;Allcond?" −response: #B10001, means that channels 1 and 5 have enabled conditions. Bit 0 of the Status Byte register is set. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 53 Examples "BEEP 0" −action: The beeper is disabled. "BEEP 1" −action: The beeper is enabled for normal operation. "BEEP 2" −action: The beeper is beeped once. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 54 ":CHan?" −response: "3;4;16", means the modules in channels 3, 4, and 16 are selected for channel−based commands. "channel?" −response: "ALL", means that channel−based commands will be sent to all available modules. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 55 "Errors?" −response: 219,1111111100000000, means that the LDC−3916 was unable to restore the setup parameters (at power−up) because of a change in modules. Also, there are errors present on channels 9 − 16. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 56 "MES?" −response: "Test 3", means the previously stored message was "Test 3". "Message?" −response: "This is a test. ", means the previously stored message was, "This is a test." 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 57 The serial number may also be found by removing the module from the mainframe and viewing the serial number information on the side of the module. Examples "MODPUD?" −response: #221037200020011120498grb LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 58 *PUD, which is a common command. This data is normally changed only at the factory, and therefore the SECURE command is not needed by the user. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 59 "Term?" −response: 1, means that the <CR><NL><^END> terminator is temporarily being used. "Term?" −response: 0, means that the <NL><^END> terminator (IEEE 488.2 standard) is being used. LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 60 0.31 seconds since the last TIMER? query was issued. "TIMER?" −response: 00:00:12.03, means the LDC−3916 Laser Diode Controller has been on for 12.03 seconds since the last TIMER? query was issued. 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 61 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 62: Index

    22, 25, 28 common commands 29 device dependent message 21 communications dimensions 5 configuration 12 display configuration 12 RS-232 24 display controls 9 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 63 2, 5, 7 keys grounding 2 arrow 10 switch 3 hard 9 power on sequence 7 numeric 10 soft 9 status 18 summary 17 query response timing 32 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 64 26 terminators 26, 28 tilt-foot adjustment 3 timing query response 32 sequential and overlapped commands 32 warranty xi weight 5 white space 25, 28 70026505_6/01 LDC-3916 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 65 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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