ILX Lightwave LDC-3900

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User’s Guide

Modular Laser Diode Controller

LDC-3900

70011310 October 2015

ILX Lightwave · 31950 Frontage Road · Bozeman, MT, U.S.A. 59715 · U.S. & Canada: 1-800-459-9459 · International Inquiries: 406-556-2481 · Fax 406-586-9405

www.newport.com/ilxlightwave

Main Page

Default Chapter3
- Table of Contents3
List of Figures9
Safety and Warranty Information13
- Safety Information and the Manual13
- General Safety Considerations13
Safety Symbols14
- Safety Marking Symbols14
Warranty15
- Limitations15
- Returning an Instrument15
- Claims for Shipping Damage15
- Comments, Suggestions, and Problems16
Chapter 1 Introduction and Specifications19
Product Overview19
- Available Options and Accessories20
- Table 1.1 LDC-3900 Options and Accessories20
- Line Voltage Selection21
- Specifications21
Table 1.2 GPIB Specifications21
Table 1.4 General Specifications21
Chapter 2 Operation23
Installation23
- AC Power Considerations23
- Tilt-Foot Adjustment24
- Rack Mounting24
Power-Up Sequence24
Table 2.1 LDC-3900 Default Settings26
LDC-3900 Front Panel27
- Front Panel27
- Figure 2.6 Parameter Section30
- TEC Functions30
Save and Recall Parameter Functions49
Rear Panel Controls and Connections51
- Figure 2.25 LDC-3900 Rear Panel51
- GPIB Connector51
- Earth Ground Connector52
- Modulation from Front Connector52
General Operating Procedures52
- Warm-Up and Environmental Considerations52
- TEC Mode Operation52
- Laser Mode Operation53
- Simultaneous TEC and Laser Mode Operation54
- TEC Booster Mode Operation54
Chapter 3 Remote Operation55
- Preparation for Bus Control56
ANSI/IEEE-488.2 Definitions56
- Syntax Diagrams56
- White Space57
- Power-On Conditions58
  - Nrf Value58
  - Program Message Terminator58
- Figure 3.3 <PROGRAM MESSAGE UNIT SEPARATOR> Syntax Diagram59
- Program Message Unit Separator59
- Compound Command Program Header60
Table 3.1 State of the LDC-3900 after *RST63
Figure 3.8 <PROGRAM DATA SEPARATOR> Syntax Diagram63
Getting Started with GPIB64
- Overview of the LDC-3900 Syntax64
- Using Commands with Parameters65
Common Commands and Queries66
- Cal66
- Cls67
- Ese67
- Enable Register68
- Ese69
- Esr69
- Idn69
- Opc70
- Psc71
- Psc72
- Pud72
- Pud73
- Rcl73
- Rst74
- Sav75
- Sre75
Advanced Programming79
- Path Specification79
- Timing Considerations80
Error Messages81
Status Reporting82
- Event and Condition Registers82
- Figure 3.11 LDC-3900 Status Reporting Schematic Diagram83
- Command Timing and Completion84
- Operation Complete Definition84
- Figure 3.12 an LDC-3900 LASER Module Output off Register86
- Output off Registers86
- Figure 3.13 an LDC-3900 TEC Module Output off Register87
- Input Buffer and Output Data88
Table 3.2 LDC-3900 Default Settings for Output off Registers88
Chapter 4 Command Reference91
Command Set Overview91
- Compound Command Structure92
- Substitute Parameter Names92
- Common Commands93
LDC-3900 Device-Dependent Commands93
- Figure 4.1 Command Path Tree Structure102
- LDC-3900 Device-Command Reference103
- Error Messages192
Table 5.1 Error Code Classifications193
Table 5.2 LDC-3900 Modular Laser Diode Controller Error194
Chapter 5 Error Messages197
Appendix A Steinhart-Hart Equation197
The Steinhart-Hart Equation197
Table A.1 Comparison of Curve Fitting Equations198
Figure A.1 Thermistor Resistance Vs. Temperature199
Appendix B AD590 and LM335 Sensor Calibration201
Introduction201
AD590 Sensor201
Figure B.1 AD590 Nonlinearity202
LM335 Sensor203
One Point Calibration Method204
Two Point Calibration Method204

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ILX Lightwave LDC-3900 Specifications

General

Model	LDC-3900
Category	Controller
Manufacturer	ILX Lightwave
Channels	1
Temperature Control	Yes
Temperature Resolution	0.1 °C
Operating Modes	Constant Current, Constant Voltage
Output Current Range	0-1000 mA
Temperature Range	0 to 70 °C
Communication Interface	RS-232
Power Supply	100-240 VAC

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