Celera Motion MicroE ChipEncoder Series Installation Manual And Reference Manual

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ChipEncoder™
Series
Installation Manual and
Reference Gui de
©2022 Celera Motion
IM-ChipEncoder-Series-Rev. 2
125 Middlesex Turnpike | Bedford, MA 01730-1409 USA
Tel: 781-266-5700 | celeramotion@gsig.com

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Summary of Contents for Celera Motion MicroE ChipEncoder Series

  • Page 1 ChipEncoder™ Series Installation Manual and Reference Gui de ©2022 Celera Motion 125 Middlesex Turnpike | Bedford, MA 01730-1409 USA IM-ChipEncoder-Series-Rev. 2 Tel: 781-266-5700 | celeramotion@gsig.com...
  • Page 2: Table Of Contents

    Linear and Glass Scales ....................20 Electrical Schematics ......................22 Evaluation Board ....................... 24 Recommended Signal Termination ................... 26 Customer Interface ......................26 RS-422 Compatibility......................26 Troubleshooting ......................... 27 Order Guide ............................ 28 Contacting Celera Motion ....................... 29 IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 1...
  • Page 3: Introduction

    All maintenance procedures such as cleaning must be performed with the MicroE encoder turned off.  Do not insert any reflective surface into the beam path when the encoder is powered.  Do not attempt to service the MicroE encoder. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 2...
  • Page 4: Standards Compliance

    Warning or caution: potential damage to parts. Instructions show correct method. Instructions show example of incorrect method. Single click with the mouse on these highlighted See Section 2.2 references to jump to specified places in instructions. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 3...
  • Page 5: Before Installation

    When handling the ChipEncoder, do not allow the pickup device to touch anywhere in the “Keep Out Zone.” Refer to the following illustrations. Scratches or 'digs' in the Keep Out Zone can affect ChipEncoder performance. Keep Out Zone CE300 IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 4...
  • Page 6: Solder Paste Recommendation And Reflow Profile

    Hand Soldering Hand soldering can cause damage. Hand soldering guidelines:  CE300: Do not hand solder. Castellations are for electrical testing only.  CE: Hand solder only if necessary. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 5...
  • Page 7: Application Notes

    Acetone is the recommended cleaner for the ChipEncoder. PCB Requirements The ChipEncoder electrical interface, land pattern, schematic of additional required passive components and mechanical dimensions are found in the interface drawings, which are located on the following webpage: http://www.microesystems.com/resource/product-documentation. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 6...
  • Page 8: Installation Flowchart

    The following flowchart lists the main steps in ChipEncoder installation. Install Scale Section 5.0 Designing Own Use Eval PCB PCB? Design Interface for Eval PCB Perform PC Design Perform Mechanical Alignment Section 4.0 Install Encoder Confirm Alignment Section 4.3 (Optional) Install Complete IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 7...
  • Page 9: System Overview

    CE300-4, CE300-40 (7 mm x 11 mm) Top View Riser Castellations (x24) Date Code and Serial Number Ceramic Substrate Beam Splitter CE-40GC (6 mm x 6 mm) Top View Riser Beam Splitter Ceramic Substrate IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 8...
  • Page 10: Linear And Rotary Glass Scales

    The ChipEncoder must be mechanically aligned to the scale. Alignment can be confirmed using an Oscilloscope (see install procedure). See Section 8.0 Order Guide for details on ordering the Eval PCB. ChipEncoder Evaluation Board Evaluation PCB (CE300-4-PCB or CE300-40-PCB) Evaluation PCB (CE-40GC-PCB) IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 9...
  • Page 11: Chipencoder Installation

    X X ± 1.5° ± 1.5° Y Y ± 1.5° ± 1.5° Z Z ± 2.0° ± 2.0°  Note: Tolerance for each axis is specified independently, assuming nominal alignment in other axes. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 10...
  • Page 12: Mounting The Chipencoder

    PCB and mechanical components have been fabricated and assembled according to the mechanical dimensions and tolerance specified in the applicable interface drawings. Go to Section 4.3 Encoder Alignment for additional details for alignment. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 11...
  • Page 13: Rotary Scale Installation

    Go to Section 4.3 Encoder Alignment for additional details for alignment. For alignment verification, see Technical Note TN-103: Alignment of Rotary Scales. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 12...
  • Page 14: Encoder Alignment

    Both signals must be present and within the following specification limits in order to ensure proper encoder function:  Sin+ Range = 1.1 - 2.1 V pk-pk  IW+ = 40 um wide ±25% IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 13...
  • Page 15: Linear Glass Scale Installation

    Prepare Section 5.2 Mounting Surface Section 5.3 Position the Scale Adhesive Tape Mount Scale Using Section 5.4.2 Mounted Scale Epoxy? Epoxy Mounted Section 5.4.1 Scale Clean and Inspect Section 6.0 Scale Install Complete IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 14...
  • Page 16: Prepare Mounting Surface

    Position the benching pins in from both ends. 20% of the overall scale length is the recommended distance from the edge of the scale. Be sure the benching pins do not exceed the height of the scale (Z direction) to prevent mechanical interference with the encoder. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 15...
  • Page 17: Mounting The Scale

    After the adhesive cures, remove the scale mounting clamps, or, if permanently installing the clamps, make sure that the clamps do not interfere with the encoder or encoder mounting. Note : See Section 8.0 Order Guide for details on ordering clamps. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 16...
  • Page 18: Adhesive Tape Mounted Scale

    Blow off any contamination with nitrogen, clean air, or a similar gas. Contamination Removal: Use a lint-free cleanroom wipe or cotton swab dampened with isopropyl alcohol or acetone to wipe the surface clean. Handle the scale by the edges. Do not scrub the scale. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 17...
  • Page 19: Appendix

    Sensor Size and Weight Signals: CMOS/TTL Format: Digital – differential quadrature Dimensions (mm) Width Length Height Output impedance per channel = 60 ohms CE300: 11.0 Weight CE300: 0.37 g 0.25 g Note Excludes eccentricity Output Signals IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 18...
  • Page 20: Output Signals Descriptions

    The Index Window defines one particular fringe on the grating surface. The Index Window Index Window+/ signal is a TTL compatible pulse, and is approximately 40 um wide. Note that this signal is not Index Window- synchronized to the A or B signals. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 19...
  • Page 21: Linear And Glass Scales

    Usable measuring length is 5 mm less than total length  Temporary clamp kits to facilitate epoxy mounting  Optional pressure sensitive adhesive tape for permanent mounting  Custom scale lengths, materials, and index locations are available IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 20...
  • Page 22 Optional hubs are 303/304 stainless steel (CTE = 17 ppm/°C)  For factory mounted scales, optical patterns are centered to within 0.002" of the hub ID  Custom OD, ID, CPR, and materials are available IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 21...
  • Page 23: Electrical Schematics

    ChipEncoder Series Appendix Installation Manual and Reference Guide Electrical Schematics Recommended customer circuit with the CE300 ChipEncoder: IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 22...
  • Page 24 ChipEncoder Series Appendix Installation Manual and Reference Guide Recommended customer circuit with the CE ChipEncoder: IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 23...
  • Page 25: Evaluation Board

    ChipEncoder Series Appendix Installation Manual and Reference Guide Evaluation Board Evaluation PCB: CE300-4-PCB or CE300-40-PCB (7x11 ChipEncoder) IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 24...
  • Page 26 ChipEncoder Series Appendix Installation Manual and Reference Guide Evaluation PCB: CE-40GC-PCB (6x6 ChipEncoder) Connector Pinouts PCB connector pinouts for CE300-4, CE300-40, and CE-40GC: 10 Pin ZIF Connector +5VDC Sin+ IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 25...
  • Page 27: Recommended Signal Termination

    For more details, see the following Tech Note: Proper Termination of Digital Incremental Encoder Signals. Optional RS-422 compliant circuitry for long cable runs in harsh electronic environments is illustrated below: IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 26...
  • Page 28: Troubleshooting

    Check that the scale is firmly mounted and can't jiggle or move in any direction.  Make sure that the scale is clean over its entire length or circumference.  Confirm proper reflow connection to PCB. IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 27...
  • Page 29: Order Guide

    R3213CE=31.75 mm OD rotary R5725CE=57.15 mm OD rotary R10851CE=107.95 mm OD rotary Notes: Quantities of 1 – 9 only 3 clamps for scales up to 130 mm 10 Clamps for scales 155 mm or longer IM-ChipEncoder-Series-Rev. 2 ©2022 Celera Motion Page 28...
  • Page 30: Contacting Celera Motion

    Installation Manual and Reference Guide Contacting Celera Motion Celera Motion is a world leader in optical encoder technology with offices in major industrial centers around the globe. We deliver enabling technology that brings advanced applications to life in the motion control, medical, semiconductor, electronics, and industrial markets.

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