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02001346 Rev 1

HPP-1000/6000 User Manual

Page 6 of 19

Figure 4, Pulse Output

Channel 1:

Output Current. 100Amp/V

Channel 2: Pulse Command Signal
Channel 3:

Current Monitor

Figure 5, Repetition Rate

Channel 1:

Output Current. 100Amp/V

Channel 2: Pulse Command Signal
Channel 3:

Current Monitor

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Summary of Contents for HPP-1000

Page 1: ...HPP 1000 6000 User Manual Page 1 of 19 26 Ward Hill Ave Bradford MA 01835 Phone 978 241 8260 Fax 978 241 8262 USER MANUAL HPP 1000 thru 6000 XX YY ZZ XX Ioutmax YY Maximum Compliance Voltage ZZ Max Pulse Width in µsec ...

Page 2: ... 7 LDD with HP option 11 8 LDN with VP option 12 9 HPP 6000 Specifications 13 10 HPP Interface 14 11 Operation of the HPP 15 12 Product Limited Warranty 18 13 Service 19 Tables and Figures Table 1 HPP Interface 14 Figure 1 HPP Block Diagram 4 Figure 2 Typical Rise Time 5 Figure 3 Typical Fall Time 5 Figure 4 Pulse Output 6 Figure 5 Repetition Rate 6 Figure 6 Connection Diagram 8 Figure 7 HPP Mecha...

Page 3: ...ng Voltage Compliance Requirement Each HPP is custom configured to deliver current pulses into a diode array requiring a predefined compliance voltage See the Serial Number label of the unit for the compliance voltage rating The HPP takes DC input voltage and will not operate properly when the input is great than 10V higher than the load compliance voltage and will not start when the input is 20V ...

Page 4: ...rolled by an error signal A high current sensing circuit Control system The DC input voltage source must be voltage programmable and have current limit but not fold back It must be able to deliver constant current into a big capacitor which is a short at start up and the voltage will be discharged to a low level at the end of every pulse Set the output voltage at 2 to 5V higher that the load compl...

Page 5: ... and minimization of overshoot The following figures show typical pulse performance for a HPP with 300Apeak output Figure 2 Typical Rise Time Channel 1 Output Current 100Amp V Channel 2 Pulse Command Signal Channel 3 Current Monitor Figure 3 Typical Fall Time Channel 1 Output Current 100Amp V Channel 2 Pulse Command Signal Channel 3 Current Monitor ...

Page 6: ... Page 6 of 19 Figure 4 Pulse Output Channel 1 Output Current 100Amp V Channel 2 Pulse Command Signal Channel 3 Current Monitor Figure 5 Repetition Rate Channel 1 Output Current 100Amp V Channel 2 Pulse Command Signal Channel 3 Current Monitor ...

Page 7: ...h the HPP Output voltage can be set to match the laser load and output current can be set to meet the max average load current Besides the LDD 3000 6000 xx yy HP interfaces with the HPP to regulate the output voltage to perfectly match the load voltage for the highest efficiency and least heat dissipation inside the HPP For lower average power a LDN 2000 series power supply can be used with the VP...

Page 8: ...frequency and the capacitive coupling from the laser diodes to heatsinks a ground loop is usually hard to avoid and interferes with the pulse current An isolator board has been designed to use in series with the interface cable of the HPP to break the ground loop Please refer to document 33001346 HPP LDD Interconnection Instructions Figure 6 Connection Diagram Note the voltage control feedback is ...

Page 9: ...tocouplers for logic signals The pin outs of the isolator PCB is 1 to 1 as an extension of the control cable with a male connector for the customer s controller and a female connector for the HPP HPP theory of operation The HPP is a High Power Pulser It is a linear current regulator with fast rise and fall time The input voltage of the HPP must be higher than its output voltage The ratio of Vout V...

Page 10: ...at this time If the voltage is so high that the HPP cannot pull it down to have 1V at the end of the pulse the system will be inefficient and will result in over heat and thermally shut down If the voltage is too high the HPP will shut off by the load match detector when the output current is higher than 50 The HPP has an optional programmable simmer up to 10Amp The simmer current is ON when the p...

Page 11: ... lower the output voltage by 20 25 At the end of the pulse the HPP compares the cap bank voltage against the load voltage and tells the LDD to adjust the voltage so that it has about 1V difference The communication is active only when the HPP is running pulsing If the HPP is in standby the output voltage will rise to the level set by the V Program signal When running with the HPP set the LDD outpu...

Page 12: ...rs output Voltage 6 I Mon Output 100Ω impedance 0 10V 0 Full Scale Monitor Output Current 7 I Program Input 200k impedance 0 10V 0 Ioutmax The power supply output current is set by applying a 0 10V analog signal to Iprogram 9 GND 10 11 5V 0 2A output Auxiliary 5V power supply for user Up to 0 2A output current available 12 15V 0 2A output Auxiliary 15V power supply for user Up to 0 2A output curre...

Page 13: ...10V for 0 Max Current Current Monitor 0 10V for 0 Max Current Simmer Current Program 0 10V for 0 Max Current Aux Output 15VDC 0 2A on interface Performance Max Rep Rate 5 kHz Rise Fall Time 15 µs typical 10 to 90 Full Current Current Regulation 0 5 of maximum output current Current Ripple 0 5 of maximum output current Current Overshoot 1 of maximum output current Efficiency 90 at full load Environ...

Page 14: ... fault 8 Voltage Adjust Return Return Signal for Voltage Adjust loop to LDD power supply DO NOT CONNECT 9 Simmer Program input 100k impedance Optional 0 10V 0 to 12Amp simmer current Programmed DC simmer current will be present when in Pulse mode and when the power supply is Enabled 10 CW Pulse Input 10k impedance CW mode 5 to 15V 0V Pulse mode default Pulser becomes a virtual short in CW mode 11 ...

Page 15: ...e determined via the analog Iprogram signal Maximum average power delivered to the load should not exceed the rated power capability of the unit Unit Faults The unit is designed to monitor various faults such as Temp Fault Output TTL Pin 4 When the temperature of the internal heat sink has exceeded a safe operating level the system is shut off and this fault is transmitted Fault output is TTL high...

Page 16: ...02001346 Rev 1 HPP 1000 6000 User Manual Page 16 of 19 Figure 7 HPP Mechanical Outline Drawing ...

Page 17: ...02001346 Rev 1 HPP 1000 6000 User Manual Page 17 of 19 Figure 8 HPP Connections ...

Page 18: ...eglect of the Product Use and service of the Product in a manner not in accordance with the Owner s Manual if furnished will likewise cause all obligations under this warranty to cease Repaired or replacement parts are warranted only for the remaining unexpired portion of the original warranty period for the Product After expiration of the applicable warranty period Buyer shall be charged at the t...

Page 19: ... 20 2017 EK This unit contains no user serviceable parts Service and repair should be performed only by qualified personnel from Lumina Power Inc For more information contact Lumina Power Inc 26 Ward Hill Ave Bradford MA 01835 Ph 978 241 8260 Fx 978 241 8262 Email sales luminapower com Web site www luminapower com Your distributor ...

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