Cambridge Technology 6220H Instruction Manual
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Cambridge Technology 6220H Instruction Manual

Galvanometer optical scanner
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______________________________________________________________________________
Model 6220H
Galvanometer Optical Scanner
INSTRUCTION MANUAL
CAMBRIDGE TECHNOLOGY, INC.
25 Hartwell Avenue
Lexington, MA 02421
U.S.A.
TEL.781-541-1600 FAX. 781-541-1601
www.cambridgetechnology.com
Revision 3.1, August 8, 2010

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Summary of Contents for Cambridge Technology 6220H

  • Page 1 ______________________________________________________________________________ Model 6220H Galvanometer Optical Scanner INSTRUCTION MANUAL CAMBRIDGE TECHNOLOGY, INC. 25 Hartwell Avenue Lexington, MA 02421 U.S.A. TEL.781-541-1600 FAX. 781-541-1601 www.cambridgetechnology.com Revision 3.1, August 8, 2010...

  • Page 2: Table Of Contents

    Cambridge Technology Model 6220H Instruction Manual TABLE OF CONTENTS 1.0 Introduction and Warnings _______________________________________________ 3 2.0 Specification ____________________________________________________________ 5 3.0 Description of Operation__________________________________________________ 7 3.1 Overview _____________________________________________________________ 7 3.2 Mounting Scheme ______________________________________________________ 8 3.3 Mirror Mount and Mirrors _____________________________________________ 10 3.4 Cabling ______________________________________________________________ 11...

  • Page 3: Introduction And Warnings

    Cambridge Technology Model 6220H Instruction Manual 1.0 Introduction and Warnings This manual was written to help the customer use the Model 6220H scanner successfully. There are several warnings and precautions written throughout this manual. Read this manual carefully. It is possible to damage the scanner by exposing it to rough handling or contaminants.
  • Page 4 Cambridge Technology Model 6220H Instruction Manual Note: Lead free solder (SAC 305) should be used to solder or unsolder any connections on the position detector board. This scanner is now fully RoHS compliant. Using leaded solder can result in failed solder joints due to incompatibility of the two types of solder and will make the...

  • Page 5: Specification

    Cambridge Technology Model 6220H Instruction Manual 2.0 Specification Note: All angles are in mechanical degree unless stated otherwise. Scanner MODEL NO. 6220H Tolerance Units/Notes Mechanical Specifications Rated Excursion, Rotor ±20 degrees Bumper Stop Angle, Initial Contact ±26 ±4 degrees Optical Aperture, Two-Axis, Std.
  • Page 6 Notes: 1. 6220HM60 is reduced to ±15° excursion and ±18° initial contact. 2. Setup for settling time: Using CTI’s recommended servo, CTI’s 5mm Y-mirror, moving a 0.1° step, and settled to within 99% of the final position. 3. Using the Cambridge Technology, Inc. Position Demodulator circuit.

  • Page 7: Description Of Operation

    The 6220H is now available in five different connector versions so that the smallest scanner in the world is now one of the most flexible to integrate. The standard 6220H comes with a standard or “straight” connector, which points directly back away from the mirror. For applications where overall scanner length is critical, the 6220HR has a “right-angle”...

  • Page 8: Mounting Scheme

    To calculate the necessary heatsinking for the 6220H, there are two approaches. 1. Worst case analysis: This assumes that there are two scanners bolted to a common heatsink and both are dissipating their full power.
  • Page 9 If any part of this procedure is not completely understood, contact CTI for technical assistance. For the 6220H scanner, the only valid mounting surface is the long cylindrical section of the body. See the Outline Drawing in Section 5.1 at the end of this manual. The scanner must be mounted by this surface to adequately transfer the heat out.

  • Page 10: Mirror Mount And Mirrors

    Model 6220H Instruction Manual Mirror Mount and Mirrors The standard mirror set for the 6220H motor is the 6M2205S-S. This set will move a 5mm beam through a 60°optical cone angle. The mirrors are made from high quality fused silica substrates and have a high reflectivity protected silver coating.

  • Page 11: Cabling

    Cambridge Technology Model 6220H Instruction Manual Cabling The Model 6210H and 6210HR motors have been optimized to be as small as possible but still use a connector. The 6210H employs a small, straight 8-pin Amp connector. The 6210HR uses a right angle version of this connector. The standard cables for both are:...

  • Page 12: Attaching The Cable To The Motor

    This procedure should be used when the cable end to be attached to the motor has been properly prepared. The cable is properly prepared when it leaves Cambridge Technology, but if the cable length needs to be modified, or if a wire is damaged during assembly, refer to Section 3.4.2, Modifying the Cable Length, shown below.

  • Page 13: Modifying The Cable Length

    Cambridge Technology Model 6220H Instruction Manual 4.) Cut off any excess wire that protrudes from the far side of the soldered hole to minimize the possibility of shorting. **Caution: Do not attempt to clean the flux off of the solder connections. The cleaner may enter the scanner and contaminate it.
  • Page 14 Cambridge Technology Model 6220H Instruction Manual 5.) On the four-conductor cable, twist the drain wire naturally, and slide the 1/16” wide by 1/4” long heat shrink tubing on it. Leave about 1/8” of bare wire exposed at its end. 6.) Heat the 1/16” piece of tubing at this time. Use caution not to overheat the insulation on the wires.

  • Page 15: The 6220Hm

    3.5.1 Field Replacement of the Bumpers In the rare circumstance that a bumper must be replaced in the field, please refer to D06250 the 6220H Bumper Field Service Instructions drawing in Section 5.1. and follow the procedure below. 1.) Turn off the power to the scanner and unplug its cable if possible.

  • Page 16: Limited Warranty

    Model 6220H Instruction Manual 4.0 Limited Warranty The 6220H scanner is warranted to be free of defects in materials and workmanship for one year from the date of shipment. Cambridge Technology, Inc. will repair or replace, at our option, any part of the system which upon our examination is found to be defective while under warranty.

  • Page 17: Appendix

    6. 6220HBR Outline Drawing D05983 7. 6220H Preferred Mounting Block D04290 8. 62XX/6010-8L Wiring Diagram D03762 9. 62XX/6010-21L Wiring Diagram D04963 62XX/6010-29L Wiring Diagram D05897 11. 62XXMRK Instruction Dwg D04733 12. 62XXH Numbering Scheme D05950 13. 6220H Bumper Field Service Instructions Dwg D06250...

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