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PCX-150 Laser Diode Driver Operation Manual

DIRECTED ENERGY, INC.
PCX-150A
150 AMP PULSED CURRENT SOURCE
OPERATION MANUAL
SERIAL
NUMBER:________________
DATE:__________________________
Directed Energy, Inc.
2401 Research Blvd., Ste. 108
Fort Collins, Colorado 80526
TEL 970/493-1901 FAX 970/493-1903
EMAIL: deiinfo@directedenergy.com
WEB:
www.directedenergy.com

Directed Energy, Inc. 2001
Doc #9100-0212 R4

Page 1

TABLE OF CONTENTS
1.0 Quick-Start Guide........................................................................................ 4

1.1 Turning On And Operating The PCX-150......................................... 4

1.2 PCX-150 Power-Down Procedure .................................................... 6

2.0 PCX-150 SYSTEM DESCRIPTIONS .......................................................... 7

2.1 Conceptual Description .................................................................... 7

2.2 System Overview.............................................................................. 7

3.0 SPECIFICATIONS ...................................................................................... 10

3.1 Safe Operating Area......................................................................... 11

4.0 SAFETY ...................................................................................................... 12

4.1 Operating Safety Summary .............................................................. 12

4.1.1 Power Source ..................................................................... 12

4.1.2 Grounding ........................................................................... 12

4.1.3 Cover Removal ................................................................... 12

4.1.4 General Operating Precautions .......................................... 12

4.2 Servicing Safety Summary ............................................................... 13

4.2.1 Internal Energy Storage...................................................... 13

5.0 PREPARATION FOR USE.......................................................................... 13

5.1 General............................................................................................. 13

5.2 Initial Inspection................................................................................ 13

5.3 Electrical Installation......................................................................... 13

6.0 LASER DIODE INTERCONNECTION ........................................................ 14

7.0 OPERATING CONSIDERATIONS.............................................................. 14

7.1 Local Mode Operation ...................................................................... 14

7.2 Remote Mode Operation .................................................................. 14

7.3 High Voltage Power Supply.............................................................. 14

7.4 Pulsed Current Source ..................................................................... 14

7.5 Interlock Safety System.................................................................... 15

7.6 Front Panel Controls and Indicators ................................................. 15

7.6.1 Power Switch and LED ....................................................... 16

7.6.2 Synchronous Pulse Monitor................................................ 16

7.6.3 External Trigger .................................................................. 16

7.6.4 Voltage Monitor (Vmon)...................................................... 16

7.6.5 Current Monitor (Imon) ....................................................... 16

7.6.6 Local/Remote Button .......................................................... 16

7.7 Rear Panel Connectors .................................................................... 16

7.7.1 J1 - Comm .......................................................................... 16

7.7.2 J2 - CTRL ........................................................................... 17

7.7.3 J3 - GPIB ............................................................................ 17

7.7.4 AC Power Entry Module...................................................... 17

7.8 Diode Loads ..................................................................................... 17

8.0 HARDWARE OPERATING INSTRUCTIONS ............................................. 18

8.1 Power-Up Procedures ...................................................................... 18

8.2 Power-Down Procedures.................................................................. 19

8.3 System Fusing.................................................................................. 19

9.0 LOCAL MODE OPERATING INSTRUCTIONS........................................... 19
Directed Energy, Inc. 2001
Doc #9100-0212 R4

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9.1 PCX Home Menu.............................................................................. 19

9.2 The Range Button ............................................................................ 19

9.3 Configuring the Pulses ..................................................................... 20

9.3.1 Setting the Trigger Source.................................................. 20

9.3.2 Setting Frequency............................................................... 21

9.3.3 Setting Pulse Width ............................................................ 21

9.3.4 Setting Duty Cycle .............................................................. 21

9.4 Configuring the Output ..................................................................... 21

9.4.1 Setting Forward Voltage ..................................................... 22

9.4.2 Setting Forward Current...................................................... 22

9.4.3 Setting Over Current Threshold .......................................... 22

9.4.4 Setting Current Ramp Increment ........................................ 22

9.5 Checking System Fault Status ......................................................... 23

9.6 Saving A System Setup in Local Mode ............................................ 23

9.7 Loading A System Setup .................................................................. 23

9.8 Local Mode Operation Front Panel Controls .................................... 24

9.9 Optional Front Panel Controls .......................................................... 24

10.0 REMOTE MODE OPERATION ................................................................. 25

10.1 Remote Mode Instructions.............................................................. 25

10.2 RS-232 Serial Operation ................................................................ 25

10.2.1 Serial Data Packets .......................................................... 25

10.2.2 Instruction Set & Serial Data Packet Format .................... 26

10.2.3 Serial Programming Data ................................................. 27

10.2.4 Serial Programming Features and Limitations.................. 31

10.3 GPIB Operation .............................................................................. 32

10.3.1 GPIB Addressing .............................................................. 32

10.3.2 GPIB Data Packets........................................................... 32

10.3.3 Instruction Set and GPIB Data Packet Formatting............ 34

10.3.4 GPIB Asynchronous Event Reporting............................... 35

10.3.5 GPIB Programming Features and Limitations .................. 35

10.3.6 Example GPIB Protocol .................................................... 35

10.4 Error Codes .................................................................................... 36

11.0 FACTORY SERVICE AND SUPPORT ..................................................... 37

12.0 WARRANTY ............................................................................................. 37

Appendix A........................................................................................................ 39
Directed Energy, Inc. 2001
Doc #9100-0212 R4

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********** WARNING **********
SAFE OPERATING PROCEDURES AND PROPER USE
OF THE EQUIPMENT ARE THE RESPONSIBILITY OF
THE USER OF THIS SYSTEM.
Directed Energy, Inc (DEI) provides information on its
products and associated hazards, but it assumes no
responsibility for the after-sale operation and safety
practices.
ALL PERSONNEL WHO WORK WITH OR ARE EXPOSED
TO THIS EQUIPMENT MUST TAKE PRECAUTIONS TO
PROTECT THEMSELVES AGAINST POSSIBLE SERIOUS
AND/OR FATAL BODILY INJURY. DO NOT OPERATE THE
UNIT OR PERFORM REPAIR OR ADJUSTMENTS
UNLESS ANOTHER PERSON CAPABLE OF RENDERING
FIRST AID AND RESUSCITATION IS PRESENT. Directed Energy, Inc. 2001
Doc #9100-0212 R4

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1.0 Quick-Start Guide
This quick-start guide provides a st