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DEI PVM-4210

DIRECTED ENERGY, INC.

PVM-4210

±950V Pulse Generator Module

OPERATION MANUAL

Directed Energy, Inc.

2401 Research Blvd., Ste. 108

Fort Collins, Colorado 80526

970/493-1901 FAX 970/493-1903

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Summary of Contents for PVM-4210

Page 1: ...DEI PVM 4210 DIRECTED ENERGY INC PVM 4210 950V Pulse Generator Module OPERATION MANUAL Directed Energy Inc 2401 Research Blvd Ste 108 Fort Collins Colorado 80526 970 493 1901 FAX 970 493 1903 ...

Page 2: ...DEI PVM 4210 ...

Page 3: ...in Outs And User Adjustments 7 4 1 Polarity Reversal 7 4 2 Power Supply Enable 9 5 0 OPERATING INSTRUCTIONS 10 5 1 Output Cabling 10 5 2 Load Interconnection 10 5 3 Power Up Procedures 10 6 0 TROUBLESHOOTING 11 6 1 Troubleshooting Procedures 11 6 2 Factory Service 12 7 0 WARRANTY 12 APPENDIX 14 Mechanical Dimensions And Mounting Hole Connector Location Drawing 14 ...

Page 4: ...ONSIBILITY 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 ...

Page 5: ...personnel arcing and damage to the connectors and system 4 The Pulser contains reference planes which are elevated to the potential of the output pulse Extreme caution should be exercised when servicing the equipment 5 Pulsed power systems are capable of random triggering via transients and therefore when the driver is turned on or high voltage is present in the module assume it is possible to get...

Page 6: ...om the high voltage potential to ground The width and frequency of the output pulses follow the width and frequency of the TTL input gate The amplitude of the output pulse voltage for each channel is independently adjustable from 0 to 950V using screwdriver adjustable potentiometers readily accessible on the end panel of the pulser module The PVM 4210 requires 24VDC to 28VDC support power and a TT...

Page 7: ...rrent inhibit Primary Drive Transformer 75V Power Supply 950V Power Supply Positive Pull Up Positive Pull Down Negative Pull Down Overcurrent Sense Output Current Sense Negative Pull Up 950V Power Supply Off On O C 24V 24V P1 15 P1 6 P1 14 To HV Power Supplies 24V Gate Pulse HV Enable To Logic Positive Output Negative Output P1 9 5VDC ...

Page 8: ...onnectors SHV End Panel Output Cables 12 30cm Belden 8218 75Ω Coaxial Cable GATE Gate Source External Gate Input TTL into 50Ω Gate Rise Time 20ns Gate Connector DSUB End Panel GENERAL Support Power 24VDC to 28VDC 600mA Maximum Current Dimensions Excluding Connectors 5 5 W x 11 L x 1 75 H 140mm W x 279 5mm L x 44 5mm H Weight Approximate 41 Ounces 1 16 kilograms Specifications subject to change wit...

Page 9: ...P1 10 Gate Output polarity select P1 11 Inverted gate polarity select When jumpered to pin 10 P1 12 Gate Return Ground P1 14 Power Supply Enable Input TTL High P1 15 24VDC to 28VDC Pulse Out Positive Pulse Output SHV Connector End Panel Pulse Out Negative Pulse Output SHV Connector End Panel Controls HV Adjust V Adjust Full Counter Clockwise 0V HV Adjust V Adjust Full Counter Clockwise 0V 4 1 Pola...

Page 10: ...verted Gate Selected The ouput polarity can be reversed so that the output is held at high voltage when the gate is low and pulsed ground when the gate is high by jumpering pins 10 and 11 together This is shown in the figure below GATE INPUT GROUND 5V PULSE OUT GROUND GROUND PULSE VOLTAGE OUT PULSE VOLTAGE OUT PULSE OUT ...

Page 11: ...can be done in two ways 1 Apply a TTL high signal to pin 14 The input impedance is 5K Ohms 2 A 5V output is available on pin 3 of the DSUB connector This 5V output can be connected to pin 14 through a switch In this configuration the DC power supplies can be enabled and disabled by closing the switch between pins 3 and 14 WARNING This 5V output should only be used for satisfying the enable signal ...

Page 12: ... cable which is 75Ω DEI recommends that the shortest length of cable possible be used to ensure the fastest possible rise times and best pulse fidelity Only 75Ω coaxial cable should be used to connect the output of the pulse generator to the load 5 2 Load Interconnection The load should be connected using only 75Ω coaxial cable RG 59 or equivalent Any inductance introduced into the circuit through...

Page 13: ... connected to the 24VDC input without high voltage and with all connectors in place for approximately one minute to bleed off the stored energy then disconnect the 24VDC power to the unit and refer to the Troubleshooting Section of this manual 6 0 TROUBLESHOOTING WARNING The module contains capacitors that are used as energy storage elements When charged these capacitors contain in excess of 0 02 ...

Page 14: ...luding any implied warranty of fitness for a particular purpose nor any IMPLIED WARRANTY OF MERCHANTIBILITY made by Directed Energy Inc DEI except as follows DEI warrants equipment manufactured by it to be free from defects in materials and or workmanship under conditions of normal use for a period of one year from the date of shipment to the purchaser DEI will repair or replace at DEI s option an...

Page 15: ...quipment sold or manufactured by DEI DEI s liability to the purchaser is limited to the repair or replacement of the claimed defective equipment or at DEI s option refund of the purchase price taxes and transportation charges incurred by the purchaser DEI will not be responsible for or liable to the purchaser for consequential losses or damages asserted to be attributable to a claimed defect in th...

Page 16: ...DEI PVM 4210 Document Number 9100 0201 Rev 8 Directed Energy Inc 2000 2002 Page 14 APPENDIX Mechanical Dimensions And Mounting Hole Connector Location Drawing ...

Page 17: ...UND 14 POWER SUPPLY ENABLE DISABLE TTL HIGH ENABLED 15 24 28VDC 600mA MAX PULSE OUT 950V MAX PULSE OUT 950V MAX ELECTRONIC INSTRUMENT FOR USE ONLY BY QUALIFIED PERSONNEL DO NOT REMOVE COVER DURING OPERATION THERE ARE NO USER SERVICABLE PARTS INSIDE CAUTION RISK OF ELECTRIC SHOCK 950V DUAL OUTPUT PULSER MODULE DEI PVM 4210 2 15 3 65 2 90 4 30 5 00 1 00 1 00 10 50 8 32 PEM nut for mounting puposes f...

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