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Lumina Power LDD-3000 User Manual

Cw laser diode driver
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USER MANUAL
LDD-3000 CW Laser Diode Driver
02001101 Rev1
Page 1 of 16

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Summary of Contents for Lumina Power LDD-3000

  • Page 1 USER MANUAL LDD-3000 CW Laser Diode Driver 02001101 Rev1 Page 1 of 16...

  • Page 2: Table Of Contents

    LDD-3000 Block Diagram Table 1 LDD-3000 Specification Overview Table 2 LDD-3000 Interface Pinout Figure 2 LDD-3000 Interface Schematic Figure 3 LDD-3000 Input/Output Connections Table 3 LDD-3000 AC Input Requirements Figure 4 LDD-3000 Outline Drawing 02001101 Rev1 Page 2 of 16...

  • Page 3: Product Overview

    (ZVS) inverter with permits very high frequency power conversion with minimum losses. As a diode laser driver, the LDD-3000 power supply acts as a current source and delivers constant current based on the input program signal, Iprogram(+), which is normally 0-10V. An optional RS- 232 interface is available.

  • Page 4: Explanation Of Symbols

    Explanation of Symbols Hazard: This equipment produces high voltages which can be fatal. Only service personnel of Lumina Power, Inc. are qualified to service this equipment. High Voltage Present. This power supply produces lethal high voltages. Only service personnel of Lumina Power, Inc., are qualified to service this equipment.

  • Page 5: Theory Of Operation

    • Auxiliary power supplies to simplify overall laser system design • Power factor correction to conform with CE requirements • Low conducted electromagnetic emissions Referring to Figure 1, the “LDD-3000 Laser Diode Driver Block Diagram” , the following is a brief description of operation. AC Input Power Circuitry AC input power is processed through a line filter to reduce the conducted EMI to an acceptable level.
  • Page 6 Control Circuit The control circuit handles all the responsibilities associated with safe operation of the laser diode. Controlled rise and fall times, as well as tight current regulation, overvoltage and over power protection are controlled and monitored in the control circuit. Auxiliary Power All internal power supply requirements as well as the external +/-15V and +5V power supplies are derived from the power factor control boost inductor.

  • Page 7: Figure 1 Ldd-3000 Block Diagram

    Figure 1 LDD-3000 Block Diagram 02001101 Rev1 Page 7 of 16...

  • Page 8: Ldd-3000 Specifications

    LDD-3000 Specifications Model Pout Output Current Input Voltage Size (L x W x H) 17” x 16.6” x 3.4” LDD-3000-XX-YY 3000W Up to 200A 200-240VAC 43.2cm x 42.2cm x 8.6cm Where XX = Iout YY = Vcompliance XX * YY cannot exceed 3000W Auxiliary Outputs: +5V @0.2A, +15V @0.2A, -15V @0.2A...

  • Page 9: Ldd-3000 Interface

    LDD-3000-XX-YY Interface (Where XX = Iout max, and YY = Voutmax) Connector Type: 15 pin D-sub Female (Refer to Figure 2, LDD-3000 Interface Schematic) RS-232 Interface available upon request. Pin # Pin Name Functional Voltage Description Level High = RUN = +5V to...

  • Page 10: Optional Rs-232 Protocol

    Optional RS-232 Protocol LDD-3000-XX-YY-RS Refer to Figure 4, LDD-3000 Outline Drawing for location of RS-232 Connector The RS232 interface for Lumina supplies has the following characteristics: Baud rate: 9600 Command format: ASCII characters terminated by carriage return Reply formats: ASCII characters terminated by carriage return Connection: 9 Pin “D”...
  • Page 11 Figure 2 LDD-3000-XX-YY Interface Schematic 02001101 Rev1 Page 11 of 16...

  • Page 12: Installation And Operation

    Figure 3 LDD-3000 Input/Output Connections 1. Installing the power supply: Refer to Figure 4, the LDD-3000 Outline Drawing. There are two 8-32 threaded PEM holes on both sides of the power supply which can be used to mount rack slides. Also, there are four 10-32 threaded PEM holes on the bottom of the supply for mounting purposes.
  • Page 13 6. Programming Output Current: Program LDD-3000 power supply for desired output current. A 0- 10V signal applied to interface pin 7 (see Table 2) will program the LDD-3000 diode driver for 0 to maximum rated output current. IMPORTANT APPLICATION NOTE...
  • Page 14 The typical rise and fall times of the LDD-3000 is ~ 1msec, but can be configured for rise times as fast as 0.6msec. Therefore, pulsing at frequencies up to 500Hz is possible.

  • Page 15: Figure 4 Ldd-3000 Outline Drawing

    Figure 4 LDD-3000 Outline Drawing 02001101 Rev1 Page 15 of 16...
  • Page 16 Servicing LDD-3000 Diode Drivers LDD-3000 units has no serviceable parts. Do not attempt to repair or service this unit in the field. For further information, contact Lumina Power at 978- 241-8260. Description Date Control 7062 Release 3/13/12 26 Ward Hill Avenue, Bradford, MA 01835 Ph: 978-241-8260 Fx: 978-241-8262 www.luminapower.com...

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