DRO 100™
REFERENCE MANUAL
Warranty
ACU-RITE Products and accessories are warranted against defects in material and workmanship for a period of three years from the date of purchase. ACU-RITE will, at its option and expense, repair or replace any part of the ACU-RITE product that fails to meet this warranty. This warranty covers both materials and factory labor. In addition, authorized ACU-RITE service representatives will provide service labor (field service) for a period of one year at no charge. Notice of the claimed defect must be received by ACU-RITE within the warranty period.
This warranty applies only to products and accessories installed and operated in accordance with this reference manual. ACU-RITE shall have no obligation, with respect to any defect or other condition caused in whole or part by the customer’s incorrect use, improper maintenance, modification of the equipment, or by the repair or maintenance of the product by any person except those deemed qualified by ACU-RITE.
Responsibility for loss of operation or diminished performance due to conditions beyond ACU-RITE’s control cannot be accepted by ACU-RITE.
The foregoing warranty obligations are in lieu of all expressed or implied warranties. ACU-RITE INCORPORATED shall not be liable under any circumstances for consequential damages.
30 Day Red Carpet Warranty
All ACU-RITE products are covered by a 30-day Red Carpet Warranty. If in the first 30 days this product fails for any reason, repack it in the original packing materials and contact your Authorized ACU-RITE Distributor for return procedures.
DRO 100 |
Table of Contents |
Introduction..................................................................................................................... |
1 |
A Tour of the Readout.................................................................................................. |
1 |
Front and Back Views............................................................................................... |
1 |
Keypad ..................................................................................................................... |
2 |
Displays.................................................................................................................... |
2 |
Power-On Position Recovery ...................................................................................... |
3 |
Position-Trac ............................................................................................................ |
3 |
Readout Operations....................................................................................................... |
4 |
Absolute and Incremental Displays ............................................................................ |
4 |
Absolute Display....................................................................................................... |
4 |
Incremental Display .................................................................................................. |
4 |
Radius/Diameter Display .......................................................................................... |
5 |
Zeroing the Display ...................................................................................................... |
6 |
Absolute Zero ........................................................................................................... |
6 |
Incremental Zero....................................................................................................... |
6 |
Setup ................................................................................................................................ |
7 |
Display Resolution.................................................................................................... |
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Linear Error Compensation....................................................................................... |
8 |
Count Direction......................................................................................................... |
9 |
Encoder Resolution .................................................................................................. |
9 |
Radius/Diameter....................................................................................................... |
9 |
Installation ..................................................................................................................... |
10 |
Readout Specifications ............................................................................................... |
13 |
Troubleshooting ........................................................................................................... |
14 |
DRO 100
!
This symbol alerts you to the fact that important information concerning the installation and operation of this readout has been included in this manual.
Keep these instructions in a secure place for future reference.
DRO 100 |
Introduction |
Introduction
ACU-RITE’s DRO 100 readouts provide features for you to obtain increased efficiency and productivity from your manual machine tools. They are designed specifically for grinding applications, but they are also particularly useful for X-Y tables, height gages, and other applications.
A Tour of the Readout
Front and Back Views
Indicators
MM DIA INCR ABS ZERO SET
ZERO
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SETUP |
ABS |
RAD |
INCR |
DIA |
ZERO
Electrical & fuse rating information
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FREQUENCY |
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VOLTAGE |
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CURRENT |
115V |
FUSE |
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INPUT 2 |
INPUT 1 |
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Encoder inputs
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DRO |
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PN 2001009 |
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SN 9766554 |
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Power switch |
Ground wire |
Model number and |
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and voltage |
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connection |
serial number |
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selector |
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1
Introduction |
DRO 100 |
Keypad
ZERO |
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English / metric |
MM |
SETUP |
System setup |
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conversion |
parameters |
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Zero an |
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axis display |
Selects absolute |
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ZERO |
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ABS |
RAD |
Selects radius or |
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or incremental |
INCR |
DIA |
diameter display |
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display |
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Displays
At the top of the display window is a row of indicators. These tell you the current state of the readout.
MM DIA INCR ABS ZERO SET
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Lets you know when |
Appears when you’re |
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positioning in metric, |
you are setting an |
dark when you are |
absolute zero. |
positioning in inches. |
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Tells you when an
These tell you if the
axis is displaying
position display is
diameter.
incremental or absolute.
In addition to the lighted indicators along the top of the display, the top axis display will scroll longer messages that will help you step through some of the procedures.
2
DRO 100 |
Introduction |
Power-On Position Recovery
Position-Trac
Certain ACU-RITE encoders, such as the ENC 150, contain closely-spaced reference marks that enable the display to show the correct position after a power interruption. The readout will tell you when power has been lost, and will prompt you to move each axis until a reference mark is located. By traversing the reference marks once in each axis, you will re-establish the display position relative to the last known zero. The most you will ever have to move an axis is about one inch. You must move in the positive count direction. A flashing decimal point indicates that the last position has not been recalled.
If you use an encoder without Position-Trac, the procedure for recovering your position is slightly different. Reference marks on these encoders are about 8” apart. You must find a convenient reference mark and then use the same mark every time.
1.Move near the desired reference mark.
2. Press and hold the INCRABS key until the decimal point starts to flash.
3.Move slowly past the reference mark until the readout recalls its position. You must move in a positive direction.
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