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Huntron Access RF User Manual

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Huntron Access RF Prober
USER'S MANUAL
P/N 21-2629
Rev. C
Version 1.1
November, 2021
Copyright  2020 Huntron, Inc. All rights reserved.
Huntron and Huntron Access are registered trademarks of Huntron, Inc. All other names are
trademarks or registered trademarks of their respective companies.
This document may not be copied in whole or in part, or otherwise reproduced except as specifically
permitted under U.S. copyright law, without the prior written consent of Huntron, Inc.,
15720 Main Street, Suite#100, Mill Creek, WA, 98012, USA.
1

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Summary of Contents for Huntron Access RF

  • Page 1 November, 2021 Copyright  2020 Huntron, Inc. All rights reserved. Huntron and Huntron Access are registered trademarks of Huntron, Inc. All other names are trademarks or registered trademarks of their respective companies. This document may not be copied in whole or in part, or otherwise reproduced except as specifically permitted under U.S.
  • Page 2 Huntron Access at the time of purchase and for the period of one (1) year thereafter. The above warranties are in lieu of all other warranties, express or implied, including all warranties of merchantability and/or fitness for a particular purpose.

  • Page 3: Table Of Contents

    Features ........................... 4 Hardware Features of the Huntron Access................4 Specifications ........................6 Specifications of Huntron Access RF Prober ................6 Specifications of RF Probe ......................7 Specifications of the Spectrum Analyzer .................. 7 Safety Information (Information sur la sécurité) ............. 8 Symbols and Warnings: (Symboles et avertissements) ............

  • Page 4: Section 1 Introduction

    PCAs. The Huntron Access RF basically consists of three axes which move a test probe along an XY plane. Once the probe reaches an XY coordinate, an up or down Z movement can be initiated so that the test probe is precisely placed over a test point on the target printed circuit board.
  • Page 5 • All flexible cables are shielded. • An emergency STOP switch allows immediate suspension of Huntron Access RF operation. User’s Manual 21-2629 Rev C...

  • Page 6: Specifications

    Specifications Specifications of Huntron Access RF Prober Specification Huntron Access RF Prober Comments 36” W, 29” D, 15.7” H Physical Dimensions (91.44 cm W, 73.66 cm D, 39.88 cm H) 22” W by 23” D Max. board-under-test size Max thickness is 100 mils (2.54mm) (55.88 cm W by 58.42 cm D)

  • Page 7: Specifications Of Rf Probe

    Safety considerations Front panel STOP switch for emergency stop Specifications of RF Probe For these specifications see the RFProbe Manual Specifications of the Spectrum Analyzer For these specifications see the Keysight or Rohde&Schwarz Spectrum Analyzer Manuals User’s Manual 21-2629 Rev C...

  • Page 8: Safety Information (Information Sur La Sécurité)

    Safety Information (Information sur la sécurité) Symbols and Warnings: (Symboles et avertissements) The following symbols are used either in this manual or on the unit: Les symboles suivants sont utilisés soit dans ce manuel ou sur l'appareil: Protective Ground (Earth) Terminal: Do not disconnect any protective ground wires. Rez de protection (terre): Ne débranchez pas les fils de terre de protection.
  • Page 9 étaient l'axe Z et l'axe X sont à placer aux limites avant / arrière et droite / gauche. L'utilisateur ne devrait pas avoir les doigts ou les mains près de ce point lorsque l'appareil est en mouvement. The all Huntron Access models conform to the following Standards: EN 55011 EN 61000-3-2:2000...

  • Page 10: 1-5 Environment Conformity Quality

    RoHS2, REACH and Conflict Minerals. See our Declaration of Conformity to Huntron Quality Standard at www.huntron.com/corporate/docs/conformity.pdf. Quality Huntron has been producing quality products and supporting customers all over the world for several decades. Our products conform to our Quality Manual. For information see our Quality Statement at www.huntron.com/corporate/docs/quality-statement.pdf.

  • Page 11: Section 2 Theory Of Operation

    Introduction The purpose of this section is to simply explain the functional characteristics of the main components of the Huntron Access RF system. Functional Overview The Test probe on the Z axis is directly connected to the SMA connector located on the back panel.

  • Page 12: Controls And Signal Connections

    Controls and Signal Connections Safety Stop Switch The safety stop switch is located on the right side of the Huntron Access RF. Depressing this stop switch will cause all motor movement in the X and Y directions to immediately stop and have their respective power turned off.

  • Page 13: Section 3 Installation

    Connecting the Huntron Access to a PC Connect the USB cable to the USB port on the Huntron Access RF. Connect the other end of the USB cable to an available USB port on the computer.

  • Page 14: Section 4 Hardware Maintenance

    Rail Lubrication The rails should be lubricated once a month. Warning: The linear raceways have to be lubricated using the supplied linear lube (Huntron Part Number 98-0116) which is included in your Tool kit. Do not use with any other lubricant.

  • Page 15: Calibration Requirements

    Calibration Requirements There are user calibration requirements. The unit is factory aligned and does not need calibration. Removing or loosening screws on the mechanical parts of the Access RF Prober can affect movement accuracy. If the unit is not moving accurately, please call Huntron Technical Support for further instructions.

  • Page 16: Color Camera Adjustments

    Color Camera Adjustments The camera lens on the color camera has a separate focus and aperture adjustment ring. These adjustment rings can be locked via a locking screw. The aperture setting is factory set and will be in the locked position. The setting is shown below. If the camera image appears dark even with maximum light intensity, it may be necessary to adjust the aperture.

  • Page 17: Section 5 Support Accessories

    Board Spacer Board Spacer for Access RF p/n 98-0292 The part number for the board spacers for a Huntron Access RF is 98-0292. These spacers are longer and have 4 slots (part may appear different than the image). User’s Manual...

  • Page 18: Crossbar

    Board Spacers move the test board away from the slotted walls. The Huntron Access RF can only probe components that are approximately 0.6" (15mm) away from the slotted walls of the Huntron Access. Board Spacers snap onto and slide along the slotted walls. They allow the probing of components on the edge of boards and the supporting of boards with protruding components.
  • Page 19 The Slide Bar mounted on a Crossbar holds the left front corner of the Printed Circuit Assembly. The front of a Slide Bar on a Crossbar can hold the test board away from the Crossbar to allow components on the front edge of the board to be reached by the probe tip. Use a Slide Bar and a Slide Bar Extension mounted on a Crossbar to hold the unsupported side of the test board.

  • Page 20: Slide Bar Extension

    Slide Bar Extension The Slide Bar Extension mounted on a Crossbar can hold the unsupported side of the test board. The Slide Bar Extension can also be configured with a Slide Bar for additional support of the side of the test board. (1 Slide Bar Extension is included, 2 are included in NFSA Models) Slide Bar Extension P/N 98-0132 User’s Manual...

  • Page 21: 5-5 Pca Support Kit

    5-5 PCA SUPPORT KIT Two blocks are included in the kit. The block can hold three different length pins which are used to prevent large boards from flexing. (1 PCA Support Kit is included with the Huntron Access 2 Models) The 3”...

  • Page 22: Section 6 Testing Rf

    Mounting a Board The PCB under test can be mounted into the Access RF Prober at one of four levels – Top, Middle, Bottom and Base. It is important that the PCB be mounted precisely at one of these levels to ensure proper accuracy.

  • Page 23: Section 7 Application Notes

    These boards have to be probed from the opposite side. However, the component may be in the way when you try to clamp the board into the slot. The Huntron Access RF has an additional cutout in the base plate. This allows for additional clearance for the large components.
  • Page 24 Installing a Standard Access Probe Holder The Access RF Prober is designed to be able to use a different probe style for testing with Huntron Trackers or supported DMMs that require contact testing. To utilize this function the RF Probe holder needs to be removed and a standard Access probe holder installed.
  • Page 25 Using a 2.5mm hex key wrench, remove the screws attaching the RF probe holder to the Z axis rail. Pull gently down on the RF probe holder to remove it from the Z axis rail. Installing the Standard probe holder To install the standard probe holder, insert the upper portion of the holder onto the end of the Z axis rail as shown in the image below.
  • Page 26 Insert the hex screw and fasten the nut on the back side of the probe holder. Hold the nut with a wrench or pliers as you tighten the bolt. Connect the blue prober signal wire to the pin at the top of the standard probe holder. Insert your probe pin of choice from the probe holder kit.
  • Page 27 Reverse the above steps to reinstall the RF probe holder. Be sure to use the small retaining hole to keep the signal wire in place. User’s Manual 21-2629 Rev C...

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