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Newall A50 Manual

Single axis digital readout system
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N
A50
NEWALL MEASUREMENT SYSTEMS LTD
Single Axis Digital Readout System
CONTENTS
2
SPECIFICATIONS
3
4
INSTALLATION
4
Panel Mounting
4
Desktop Mounting
5
5
6
Using Digifind
6
Using Centerfind
7
7
8
8
9
9
10
11
12
14
15

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Summary of Contents for Newall A50

  • Page 1: Table Of Contents

    NEWALL MEASUREMENT SYSTEMS LTD Single Axis Digital Readout System CONTENTS SPECIFICATIONS CONNECTIONS INSTALLATION Panel Mounting Desktop Mounting OPERATION Setting the display Using Digifind Using Centerfind SETUP Using setup mode Encoder type Resolution Direction Radius / Diameter Error compensation Linear error compensation...

  • Page 3: Connections

    Turn off the power supply before connecting the encoder, by disconnecting power supply connector SUPPLY. · Ensure that the A50 is grounded to the machine before turning on the machine supply. 2.5mm Power Inlet Encoder Input 15 - 24Vdc ±10% @0.25A 9-way ‘D’...

  • Page 5: Operation

    Incremental mode then switch the A50 to In this mode, the A50 will display the position In this mode, the A50 can be used to display each Incremental mode. relative to an fixed datum. position relative to the last position. This is also By using the A50 in this known as point-to-point use.
  • Page 6 Digifind works only in absolute mode. Pressing in absolute mode redefines the datum. Do not move the machine when the A50’s power is off. When the power is switched back on again, the A50 uses Digifind to automatically re-establish the datum.

  • Page 7: Setup

    Using Setup Mode Setup mode is accessible immediately after the power has been switched on, as follows: When power is applied, the A50 will go through a brief self-test routine. The display shows the model Normally, Setup needs to number, then the software version number, all segments and indicators light momentarily, after which the be done only once, and it A50 is ready for use.

  • Page 8: Encoder Type

    There are three possible settings: The Encoder setting Spherosyn Microsyn 10 must match the actual encoder in use, or the Microsyn 5 A50 will not display the measurement correctly. · Press to cycle between the four settings. · Press to accept the setting and move on to the next option - Resolution.

  • Page 9: Direction

    SETUP, Direction, Circle measurement A50 Digital Readout System NOTES SETUP Direction The Direction setting allows you to match the A50 to the actual direction of travel of the machine. The Direction setting is quite arbitrary. Set it to alternative settings whichever makes most sense to the job.

  • Page 10: Error Compensation

    NOTES Error Compensation If error compensation is applied, it is important that it is absolutely There are three possible settings: correct, If is not correct, errors could be increased rather than reduced. linear error compensation segmented error compensation · Press to cycle between the three settings After setting up the error ·...

  • Page 11: Linear Error Compensation

    Setup mode as · Set the tool or probe to the other edge of the standard. Assume the A50 displays described on page 7. · Calculate the correction factor: error = (500.000 - 499.800) = 0.2mm...

  • Page 12: Segmented Error Compensation

    Select segmented compensation, as described on page 10. Compensation is set to The display will read ON again, the data is applied Press to continue, or press to accept any previous settings and move back to the first option - Encoder Type Newall Measurement Systems Ltd...
  • Page 13 Example, Assume the laser measuring system displays 678.9 . Then press Do not worry about the to enter a correction point position of 678.9. The A50 will calculate the correction factor, and record direction of the standard this against its own position measurement.

  • Page 14: Troubleshooting

    The display works, but gives connection. erratic readings, the last digit · Both the A50, and the machine on which it is installed, must jitters or the measurements jump have proper earth (ground) connections. (see page 3) to new figures unexpectedly.

  • Page 15: Cleaning

    · If using segmented error, verify datum position and back on again. If the solutions suggested above do not solve your problem, contact Newall for further instruction CLEANING · Disconnect the power supply from the A50 before cleaning.
  • Page 16 NEWALL MEASUREMENT SYSTEMS LTD WORLD HEADQUARTERS Newall Measurement Systems Ltd. Technology Gateway, Cornwall Road South Wigston Leicester LE18 4XH ENGLAND Telephone: +44 (0)116 264 2730 Facsimile: +44 (0)116 264 2731 Email: sales@newall.co.uk Web: www.newall.co.uk Newall Electronics, Inc. 1778 Dividend Drive Columbus, Ohio 43228, USA Telephone: +1 614.771.0213...

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