ACU-RITE DRO 200T User Manual
DRO 200T
™
REFERENCE MANUAL
Readout Parameter Access Code
An access code must be entered before machine-related parameters can be set or
changed. This prevents inadvertent adjustments to the setup parameters.
IMPORTANT
The access code is 8891
Refer to the Setup section. Begin by pressing the
displayed, press the 8, 8, 9, 1, and
ready for machine parameter setting operations.
SETUP
key. When “SETUP” is
ENTER
keys. The readout is now
IMPORTANT
Supervisors may wish to remove this page from the Reference manual
after initially setting up the readout system. Retain in a safe place
for future use.
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 200T Table of Contents
Introduction..................................................................................................................... 1
A Tour of the Readout..................................................................................................1
Front and Back Views...............................................................................................1
Keypad .....................................................................................................................2
Displays....................................................................................................................3
Power-On Position Recovery......................................................................................4
Position-Trac ............................................................................................................4
Readout Operations....................................................................................................... 5
Clear Key.......................................................................................................................5
Absolute and Incremental Displays............................................................................5
Absolute Display.......................................................................................................5
Incremental Display..................................................................................................5
Radius/Diameter Display..........................................................................................6
Zeroing the Displays ....................................................................................................7
Absolute Zero...........................................................................................................7
Incremental Zero.....................................................................................................10
Presetting....................................................................................................................11
Absolute and Incremental Presets..........................................................................12
Near Zero Warning .....................................................................................................12
Tool Offset...................................................................................................................13
Defining Tools with the Auto-Offset Calculation Feature.........................................13
Defining Tools with a Tool Presetter.......................................................................15
Setup ..............................................................................................................................16
Machine-Related Setup Parameters .........................................................................16
Count Direction.......................................................................................................16
Encoder Resolution................................................................................................16
Job Setup Parameters................................................................................................17
Display Resolution..................................................................................................17
Scale Factor ...........................................................................................................17
Near Zero Warning.................................................................................................17
Tool Offset Definition..............................................................................................17
Linear Error Compensation.....................................................................................18
Installation .....................................................................................................................19
Readout Specifications ...............................................................................................22
Troubleshooting........................................................................................................... 23
!
This symbol alerts you to the fact that
important information concerning the
installation and operation of this readout
has been included in this manual.
DRO 200T
Keep these instructions in a secure place
for future reference.
DRO 200T Introduction
Encoder
Electrical &
information
Power switch and
Ground wire
Indicators
Application-specific
Introduction
ACU-RITE’s DRO 200 readout series provides application-specific features
required for you to obtain the most productivity from your manual machine tools.
The DRO 200T is designed specifically for turning applications. Special features
include radius/diameter conversion, a tool offset library, and an axis lock feature.
A Tour of the Readout
Front and Back Views
fuse rating
MM DIA INCR ABS ZERO SET
FREQUENCY
VOLTAGE
CURRENT
FUSE
115V
!
Z1
Z2
ABS
INCR
ZERO
X
RAD
DIA
LOCK
AXIS
ZERO
TOOL
OFFSETS
DEFINE
ZERO
USE
. 0
CLEAR
MM
SETUP
87 9
54 6
21
ENTER
3
+/-
function keys
FCC COMPLIANCE
EDGE
FINDER
INPUT 1INPUT 2INPUT 3
inputs
voltage selector
connection
Model number
and
Serial number
1
3x DRO
PN 2001009
SN 9766554
Introduction DRO 200T
Selects absolute or
Selects radius or
Locks the display so you
English / metric
System setup
Enter all numeric values
Lets you define a library of
Begin a preset
Zero an axis display
Keypad
ABS
incremental display
diameter display
INCR
RAD
DIA
conversion
MM
SETUP
parameters
can move the tool without
losing position
X
Z1
Z2
LOCK
AXIS
ZERO
ZERO
ZERO
with these
TOOL
OFFSETS
DEFINE
USE
tool offsets, and select
which offset to use
. 0
CLEAR
87 9
54 6
21
3
+/-
ENTER
2
DRO 200T Introduction
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
Appears when
setting an
absolute zero.
Lets you know when
you are setting a
preset or an absolute
zero.
Tells you when the
crossfeed axis is
displaying the part’s
diameter.
Appears when you’re
positioning in metric,
dark when you’re
positioning in inches.
These tell you if the
position display is
incremental or absolute.
They also refer to the
type of preset.
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.
3
Introduction DRO 200T
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 indicate 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 a positive count direction. A flashing decimal
point will indicate that the last position has not been recalled.
If you use an encoder that does not have the Position-Trac feature, 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
3. Move slowly past the reference mark until the readout recalls its
ABS
key until the decimal point starts to flash.
INCR
position. You must move in a positive direction.
4
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