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Scale Units and Display Counters DRO · PDF file DRO System from Mitutoyo Mitutoyo's DRO (Digital Readout) system integrates the scale units with the dedicated digital counters, to

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  • Small Tool Instruments and Data Management

    Digital Scale and DRO Systems

    Test Equipment and Seismometers

    Sensor Systems

    Optical Measuring

    Form Measurement

    Coordinate Measuring Machines

    Vision Measuring Systems

    Mitutoyo Corporation 20-1, Sakado 1-Chome, Takatsu-ku, Kawasaki-shi, Kanagawa 213-8533, Japan T +81 (0) 44 813-8230 F +81 (0) 44 813-8231 http://www.mitutoyo.co.jp

    Note: All information regarding our products, and in particular the illustrations, drawings, dimensional and performance data contained in this pamphlet, as well as other technical data are to be regarded as approximate average values. We therefore reserve the right to make changes to the corresponding designs, dimensions and weights. The stated standards, similar technical regulations, descriptions and illustrations of the products were valid at the time of printing. Only quotations submitted by ourselves may be regarded as definitive. Our products are classified as regulated items under Japanese Foreign Exchange and Foreign Trade Law. Please consult us in advance if you wish to export our products to any other country. If the purchased product is exported, even though it is not a regulated item (Catch-All controls item), the customer service available for that product may be affected. If you have any questions, please consult your local Mitutoyo sales office.

    Our products are classified as regulated items under Japanese Foreign Exchange and Foreign Trade Law. Please consult us in advance if you wish to export our products to any other country. If the purchased product is exported, even though it is not a regulated item (Catch-All controls item), the customer service available for that product may be affected. If you have any questions, please consult your local Mitutoyo sales office.

    Catalog No. E4072-174/539

    Digital Scale and DRO Systems

    Linear Scales & Counters

    Scale Units and Display Counters

    DRO System

  • 2

    Accurate, yet Affordable, DRO System from Mitutoyo

    Mitutoyo's DRO (Digital Readout) system integrates the scale units with the dedicated digital counters, to offer accurate detection and display of axial displacements of machine tools and measuring equipment. The DRO system can be configured to best meet your specific application, such as turning, milling, or grinding. Choose a suitable combination of scale unit and counter. Scale units have diverse measuring length ranges and counters feature remote zero setting, switchable resolution, and multipurpose one-touch macro keys. The DRO system has superior ease-of- use and is reliable, both of which dramatically improve machining accuracy and efficiency. Mitutoyo strongly recommends implementation of the DRO system whatever possible.

    Features • Digital counter value display allows quick and correct readout

    of displacement. Working efficiency thus greatly improved. • Zero-setting or presetting possible at any position. Versatile

    functions eliminate calculations or complicated key operations for positioning.

    • Various external output features allow output of current display values or various data to external devices such as PCs or sequencers. Easy data processing can be performed.

    • Two types of display units (counters) available: high- performance type and limit signal type.

    • Both linear scale and display units (counters) conform to CE marking standards. They also comply with the hazardous substances restriction in the RoHS directive (2006).

    Ultra Precision Manufacture 11 Meters Underground Mitutoyo Kiyohara Plant, which is a factory exclusively for the production of Linear Scales and other precision scales, has a complete system for producing master scales to be used in finished products, such as CMM, vision measuring system, profile projectors, and measuring microscopes. To improve the accuracy of scales and quality control technologies, the integral laboratory of Kiyohara Plant was constructed eleven meters underground. It provides an optimum environment (cleanliness factor: 100) for the ultra- precision manufacture and evaluation of scales. Its unique design and construction isolate the laboratory from external vibrations and ensure minimal variations in temperature and humidity.

    Table of Contents

    Scale Unit Selection Guide ............................................................ 3

    AT102, Standard-size Type ............................................................ 4

    AT113, Slim Type .......................................................................... 6

    AT115, Slim and Economy Type .................................................... 7

    AT112, Super Slim Type ................................................................ 8

    AT181, Plunger Type .................................................................... 9

    AT715, ABSOLUTE and High Environment Resistance Type ......... 10

    Features of Scale Unit ................................................................. 11

    DRO System Diagram ................................................................. 12

    Display Unit Selection Guide ....................................................... 13

    KA Counter ................................................................................ 14

    KLD Counter .............................................................................. 15

    Features of Display Unit .............................................................. 16

    Connection with External Devices ............................................... 18

    Caution in mounting and handling Linear Scales ........................ 22

    Traceability System ..................................................................... 24

    Calibration Laboratories Worldwide ........................................... 25

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    Scale Unit 80

    49 .5

    29

    1.5 36

    Up to 3000mm Over 3000mm

    20

    37.5

    50 95

    .5

    1.5 36

    23 32.5

    15 1.

    5 29

    1. 5 35

    52

    22

    19 1.51.5±0.4

    22

    1.5

    35

    52

    191.5±0.2

    15.4

    15.2

    0.2±0.3

    44 .5 3

    0 1±

    0. 3

    42

    2011

    7 28

    7028 213

    5

    21

    22

    (1.5)191.5±0.2

    (5 4)36

    .5 16

    1. 5

    AT102 Standard-size Type

    Scale Unit Selection Guide

    Specifications Model AT102 AT113, AT115 AT112 AT181 AT715 Detecting method Photoelectric (transparent linear encoder) Electromagnetic induction system Light source LED — Receptor Phototransistor Photodiode — Output wave form 2-phase sine curves with a phase difference of 90° — Effective length (for high accuracy type)

    100 - 6000mm (100 - 2000mm)

    100 - 1500mm (100 - 1500mm)

    50 - 1020mm (50 - 1020mm)

    100 - 600mm (100 - 600mm)

    100 - 1800mm

    Accuracy [high accuracy type]

    (5+5L0/1000)µm*1 [(3+3L0/1000)µm]

    (5+5L0/1000)µm [(3+3L0/1000)µm*2]

    (5+5L0/1000)µm [(3+3L0/1000)µm]

    (5+5L0/1000)µm [(3+3L0/1000)µm]

    ±5µm (Effective length: 100 - 500mm) ±7µm (Effective length: 600 - 1800mm)

    Maximum response speed 72m/min.*3 120m/min. (50m/min.: AT115)

    50m/min. 50m/min. 50m/min.

    Scale reference point At every 50mm interval Absolute system Linear expansion coefficient (8±1)x10-6/°C — Power supply 5V±5% DC 5V±5% DC Current consumption 70mA at maximum*4 (60mA: AT113) 120mA 70mA at maximum Operating temperature 0°C to 45°C Storage temperature -20°C to 70°C Relative humidity 20 - 80%RH Cable length — 3m or 5m (3.5m or 5m: AT115) 0.3m — — Sliding force 5N or less 6N or less 5N or less Dust/water protection Conforming to IP-53 Conforming to IP-54 Conforming to IP-67

    *1: (5+8L0/1000)µm for models over 3250 effective length *2: not available for AT115 *3: 50m/min. for models over 3250mm effective length *4: 140mA for models over 3250mm effective length

    AT113 Slim Type

    AT112 Super Slim Type

    AT181 Plunger Type

    AT715 Absolute Type

    AT115 Economy and Slim Type

    Scale Unit Selection Guide

  • 4

    20 (.7 9"

    )

    10 (.

    39 ")7(.28")10 (.39)

    7 (.2

    8)

    20 (.

    79 )

    Spar mounting surface

    31 ±0

    .3 (1.2

    2"± .12

    ")

    10 (.39")

    L3

    27 (1

    .0 6"

    )

    10

    (.3 9"

    )

    7 (.28")

    12 .6

    (.4 96

    ")

    8 (.3

    1" )

    7 (.28")

    11.6 (.457")

    60 (2.36")

    90 (3.54")

    7 (.2

    8" )

    27 (1.

    06 ")

    Signal cable Ø7mm through hole (x 2pcs.), Ø11mm hole on both sides (6.5mm deep)

    80 (3

    .1 5"

    )

    1.5 ±0

    .2 (.0

    59 "±

    .00 8"

    )

    49 .5

    (1 .9

    49 ")

    29 (1.

    14 ")

    Air supply mouth (M5)

    36 (1.42")

    20 (.79")

    37.5 (1.476")

    He x-n

    ut (ø

    11 m

    m )

    Ho le

    5m m

    d ee

    p

    Viewed from X

    28 .5

    (1 .1

    22 ")

    6 (.24")6 (.2

    4" )

    20 (.79") L6

    L5 L6

    L410 (.39")

    B CA Bracket Adjustable

    L2

    L1 L0

    Detecting head mounting plane

    Spar mounting surface

    L6 L5

    L6

    23 .5

    (. 92

    5" )

    L4

    B CA 2.1 (.083") Adjustable

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