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iv                                                         QuantumDrive-4000 Manual 

 

91-0027 Rev. E 

                       Copyright © Nutfield Technology, Inc. 

 

6/2010 

10.2.2 PD Gain (R11) ...................................................................................................................... 25 
10.2.3 Slew Rate Limiter (R14) ...................................................................................................... 25 
10.2.4 Command Attenuator (R66) ................................................................................................. 25 

10.3 Match Tuning of X and Y Galvanometers .................................................................................. 25 
10.4 Vector Tuning ............................................................................................................................. 25 
10.5 Raster Tuning .............................................................................................................................. 26 

11. Protection 

Circuits 

....................................................................................................................... 27 

11.1 Servo Faults ................................................................................................................................. 27 

11.1.1 Power Failure Condition ...................................................................................................... 27 
11.1.2 Under Voltage Condition ..................................................................................................... 27 
11.1.3 Over Position Condition ....................................................................................................... 27 
11.1.4 AGC Fail / Open Loop Condition ........................................................................................ 28 
11.1.5 Servo Ready Signal .............................................................................................................. 28 

11.2 Fuse ............................................................................................................................................. 29 

13. 

Service And Support ................................................................................................................... 30 

13.1 Product Return Procedure ........................................................................................................... 30 
13.2 Contact Information .................................................................................................................... 30 

14. Warranty 

...................................................................................................................................... 31 

Summary of Contents for QD-4000

Page 1: ...eld Technology Inc 1 Wall St Suite 113 Hudson NH 03051 USA For QD 4000 Servo Drive Boards Only Copyright Nutfield Technology Inc 2010 All Rights Reserved 91 0027 Rev E QuantumDrive 4000 Servo Drive Ma...

Page 2: ...ii QuantumDrive 4000 Manual 91 0027 Rev E Copyright Nutfield Technology Inc 6 2010 This Page Intentionally Left Blank...

Page 3: ...r Main Board J3 16 7 3 Diagnostic Output Connector Personality Board J12 17 7 3 1 Position Output 17 7 3 2 Position Error Output 17 7 3 3 AGC Monitor 17 7 3 4 Velocity Output 18 7 3 5 Slew Rate Output...

Page 4: ...Y Galvanometers 25 10 4 Vector Tuning 25 10 5 Raster Tuning 26 11 Protection Circuits 27 11 1 Servo Faults 27 11 1 1 Power Failure Condition 27 11 1 2 Under Voltage Condition 27 11 1 3 Over Position...

Page 5: ...to change the products described in this document as well as information included herein without notice Refer to your License Agreement for restrictions on use duplication or disclosure Government use...

Page 6: ...ion in a safety analysis is the laser mated to the Nutfield Technology product The hazard level of the laser is roughly indicated by the Laser Class label that is on the device A brief description of...

Page 7: ...ndor supplied shutter mechanism If this is not possible consult the laser vendor to design a proper safety shutter The figure shows the laser s internal and external optical path towards the target pl...

Page 8: ...essive steam to avoid damages to mirrors objectives or electronics 3 Always use proper lens cleaning cloth or cotton swabs to touch optical components 4 Protect the scanners from electromagnetic field...

Page 9: ...across a range of applications The board has several output signals available which can be used as host inputs to monitor performance One input allows for the remote control of Servo Enable Two Statu...

Page 10: ...ogether with a servo driver and MUST stay together as a set Servo driver boards have a copy of their mating scanner serial number on the bottom of them Servo drivers must be properly attached to a hea...

Page 11: ...king any connections to the servo drive s The servo drive s should be properly mounted to a sufficient heat sink Galvanometers should be mounted properly to avoid mirror collisions Connect the Positio...

Page 12: ...ng Diagnostic Output Connector J12 See Personality Board Drawing Servo Enable Connector J8 See Main Board Drawing Pin No Function 1 V Supply 15 to 24V 2 Ground 3 V Supply 15 to 24V Pin No Function 1 C...

Page 13: ...ds a large amount of instantaneous current causing the other drive to have a ground imbalance The result is unintentional movement of the other galvanometer causing undesirable marking Please follow t...

Page 14: ...0027 Rev E Copyright Nutfield Technology Inc 6 2010 5 Release 2 version alternately allows grounding with J2 quick fit terminal in this case the mounting holes may be isolated from ground by removing...

Page 15: ...pecified 3 5 or 10V For 3V at 20 0 15V degree For 5V at 20 0 25V degree For 10V at 20 0 5V degree Command Input Impedance 20K 1 ohms Differential 10K 1 ohms Single Ended Position Offset Range 0 25V Di...

Page 16: ...tart Up and Shut Down Protection Soft Start Soft Stop Environmental Operating Temperature 0 C to 45 C with appropriate cooling Storage Temperature 10 C to 60 C Humidity Non Condensing Temperature Stab...

Page 17: ...QuantumDrive 4000 Manual 9 91 0027 Rev E Copyright Nutfield Technology Inc 6 2010 6 Outline Drawings 6 1 Mechanical Outline Release 1...

Page 18: ...10 QuantumDrive 4000 Manual 91 0027 Rev E Copyright Nutfield Technology Inc 6 2010 6 1 Mechanical Outline Release 2...

Page 19: ...QuantumDrive 4000 Manual 11 91 0027 Rev E Copyright Nutfield Technology Inc 6 2010 6 2 Jumpers Test Points and LEDs Release 1...

Page 20: ...12 QuantumDrive 4000 Manual 91 0027 Rev E Copyright Nutfield Technology Inc 6 2010 6 2 Jumpers Test Points and LEDs Release 2...

Page 21: ...QuantumDrive 4000 Manual 13 91 0027 Rev E Copyright Nutfield Technology Inc 6 2010 6 3 Connectors and Potentiometers Release 1...

Page 22: ...14 QuantumDrive 4000 Manual 91 0027 Rev E Copyright Nutfield Technology Inc 6 2010 6 3 Connectors and Potentiometers Release 2...

Page 23: ...ly with sufficient output current should be used The output current required depends on the supply voltage galvanometer model mirror load and command waveform and duty cycle Lower supply voltages larg...

Page 24: ...operation IMPORTANT NOTE For single ended operation Pin 1 is the positive command input Pin 2 is the ground and Pin 3 is also tied to ground This is done by applying a solder bridge to R77 Input Comm...

Page 25: ...vides a scaled instantaneous position output from the galvanometer that is buffered through an amplifier The signal may be used to trigger an event when a position is reached or used when tuning the s...

Page 26: ...Enable Connector Main Board J8 The mating connector is a Molex 51090 0400 connector with 8 Molex 50212 8000 or 50212 8100 pins The pins should be used with AWG 24 30 wire The servo enable input J8 Pin...

Page 27: ...ling of the drive signal into the position feedback signal 7 5 1 Galvanometer Coil Connector Main Board J6 The mating connector is a Molex 50 57 9403 connector with 3 Molex 16 02 0082 or 16 02 0097 pi...

Page 28: ...position signal connector J1 receives the galvanometer position cable The position cable connects between J1 on the servo drive board and the position signal connector on the galvanometer There are f...

Page 29: ...rm and duty cycle Lower supply voltages larger galvanometers larger mirrors and more demanding waveforms and duty cycles will require more current It is a good practice to setup your application with...

Page 30: ...with exposure to the outside surface of the host system The use of thermal paste is a good idea for demanding applications The amount of heat that needs to be dissipated depends on several factors in...

Page 31: ...The parameters are Galvanometer Model rotor inertia coil resistance inductance position detector sensitivity etc Mirror Inertia Maximum Rotor Angular Displacement Command Waveform Step Vector Raster...

Page 32: ...and input 10 1 5 High Frequency Bandwidth R57 High Frequency Bandwidth R57 is used to adjust the frequency range in which the High Frequency Damping is invoked 10 1 6 High Frequency Damping R73 High F...

Page 33: ...and This is done so that the Galvanometer and mirror remain under control during large field instantaneous jumps 10 2 4 Command Attenuator R66 Command Attenuator R66 attenuates the command signal prio...

Page 34: ...lity to fly back to its start of scan location A typical raster command input waveform is a saw tooth waveform The important parameters are the frequency Hz of the waveform the desired fly back time a...

Page 35: ...0 has a green Servo Power LED D8 and a red Fault LED D7 that indicate that if one of the fault conditions has occurred The board also provides to the user on the Main Board Connector J8 two unique sig...

Page 36: ...p is open 11 1 5 Servo Ready Signal When the servo drive is ready the Servo Ready Hi output signal Pin 1 of connector J8 goes low 0 volts and the Servo Fault LED Red D7 is off If there is a fault the...

Page 37: ...facturer and part number are the following Littelfuse World Headquarters 800 E Northwest Highway Des Plaines IL 60016 USA Phone 1 847 824 1188 Fax 1 847 391 0894 www littelfuse com Part Number 0454005...

Page 38: ...ocal representative is unable to assist you contact NTI at the address below 13 1 Product Return Procedure If a product is to be returned to the factory please go to our web site http www nutfieldtech...

Page 39: ...their product 1 Personnel other than NTI representatives attempting to repair or service the product 2 Connecting the product to incompatible equipment 3 Personnel other than NTI representatives modi...

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