ACU-RITE VRO 300M User Manual
VRO 300M
™
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
softkey. Press the 8, 8, 9, 1, and
SETUP
key then the
ENTER
keys. The readout is now
ready for machine parameter setting operations.
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.
INSTALLATION
SETUP
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 in 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 packaging materials and contact your
Authorized ACU-RITE Distributor for return procedures.
Table of Contents VRO 300M
Introduction..................................................................................................................... 1
A Tour of the Readout..................................................................................................1
Front and Back Views...............................................................................................1
Connections..............................................................................................................2
Keypad...........................................................................................................................3
Display...........................................................................................................................4
Readout and Program Displays..................................................................................5
Power-On Position Recovery......................................................................................7
Position-Trac ............................................................................................................7
Readout Operations....................................................................................................... 8
Clear Key.......................................................................................................................8
Absolute and Incremental Displays............................................................................8
Absolute Display.......................................................................................................8
Incremental Display..................................................................................................8
Zeroing the Displays ....................................................................................................9
Absolute Zero...........................................................................................................9
Moving the Absolute Zero.......................................................................................11
Zeroing at a Center Line.........................................................................................12
Incremental Zero.....................................................................................................12
Presetting....................................................................................................................13
Absolute and Incremental Presets..........................................................................14
Center-line Presets.................................................................................................15
Presetting Using the POS Key...................................................................................15
Near Zero Warning .....................................................................................................16
Tool Offsetting............................................................................................................17
Defining the Offset Direction...................................................................................17
Using Tool Offsets..................................................................................................18
Program Operations ....................................................................................................19
Creating a Program....................................................................................................19
Saving and Loading Your Programs ........................................................................20
Alphabet Entry........................................................................................................21
Running a Program....................................................................................................22
Tool Steps ..............................................................................................................22
Positioning Steps....................................................................................................22
Programming a Tool Offset.......................................................................................23
Tool Steps...................................................................................................................24
Position Steps.............................................................................................................25
Mill Steps.....................................................................................................................26
Bolt Circles..................................................................................................................27
Hole Frame and Hole Array........................................................................................28
Row of Holes...............................................................................................................29
Rectangular Frame.....................................................................................................30
Repeats........................................................................................................................31
Mirror Images..............................................................................................................32
Explode........................................................................................................................33
Teaching a Position....................................................................................................34
VRO 300M Table of Contents
Other Features.............................................................................................................. 35
Calculator....................................................................................................................35
Trig Functions.........................................................................................................35
Tilt Angle Calculator................................................................................................36
RPM Calculator......................................................................................................37
Printing........................................................................................................................38
Remote Interface ........................................................................................................40
Requesting Information...........................................................................................40
Keypad Commands................................................................................................41
Job Clock ....................................................................................................................42
Reference Tables........................................................................................................42
Setup ..............................................................................................................................43
Job Setup....................................................................................................................44
Tool Library.............................................................................................................44
Display Resolution..................................................................................................45
Scale Factor ...........................................................................................................45
Near Zero Warning.................................................................................................46
Linear Error Compensation.....................................................................................47
Anchoring the Segments........................................................................................48
Compensation Entry Methods................................................................................49
Job Clock................................................................................................................52
Feed Rate Units......................................................................................................52
Remote Switch.......................................................................................................52
Installation Setup........................................................................................................53
Display Configuration..............................................................................................53
Encoder Setup........................................................................................................54
Serial Port...............................................................................................................55
Parallel Port............................................................................................................56
Protection ...............................................................................................................56
Graph Orientation...................................................................................................57
Installation .....................................................................................................................58
Readout Specifications ...............................................................................................60
Troubleshooting........................................................................................................... 61
!
This symbol alerts you to the fact that
important information concerning the
installation and operation of this readout
has been included in this manual.
VRO 300M
Keep these instructions in a secure place
for future reference.
VRO 300M Introduction
Introduction
ACU-RITE’s VRO 300 readout series provides the application-specific features
required for you to obtain the most productivity from your manual machine
tools.
The VRO 300M is designed specifically for milling and drilling applications.
Special features include immediate part-view graphics, bolt hole patterns,
tool offsetting, part programming, reference tables, and calculators.
A Tour of the Readout
Front and Back Views
ABS
VIEW
INCR
X
Y
Z
W
ZERO
ZERO
ZERO
ZERO
ZERO
PGM
DRO
MILL HOLES MORE
TOOL
SETUP
INFO MM
7 8 9
4 5 6
1 2 3
0 +/-
.
CLEAR ENTER
POS
CALC
+
-
X
CONTRAST
EXT VIDEO
PENDANT TOUCH PROBE
!
EDGE FINDER
PN 200x00x
SN 9766554
CFI
SERIAL PORTPARALLEL PORT
INPUT 6
INPUT 4
INPUT 2
P2
P4
INPUT 5
INPUT 3
INPUT 1
P1P3
1
Introduction VRO 300M
Encoder inputs
Ground wire
Model number and
Touch probe input
Serial (RS-232) port
Control function
Connections
External video
connection
Power switch and
voltage selector
CONTRAST
!
EXT VIDEO
PENDANT
PARALLEL PORT
output
Remote switch
(pendant) input
Parallel (printer)
port
interface port
edge finder
Electronic
input
EDGE FINDER
SERIAL PORT
CFI
TOUCH PROBE
PN 200x00x
SN 9766554
INPUT 6
INPUT 4
INPUT 2
Serial number
INPUT 5
INPUT 3
INPUT 1
2
VRO 300M Introduction
Selects absolute or
View the part graphic
Application-specific
English / metric
System setup
System
and help
Begin a preset
Zero an axis
Move up or
Lets you switch
Some of the
Enter all numeric values
functions
Keypad
incremental display
or the position displays.
information
X
Y
Z
W
ZERO
ZERO
ZERO
ZERO
ABS
INCR
VIEW
INFO
conversion
number keys are
MM
also used for
SETUP
tool offset
direction.
TOOL POS
function keys
parameters
with these
87 9
54 6
21
3
MOREHOLESMILL
CALC
+
-
down on the
screen
between
programming and
Digital ReadOut
displays
PGM
DRO
. 0
CLEAR
3
+/-
ENTER
x
Handy
calculator
Introduction VRO 300M
213
4
3
4
2
1
Display
The display screen is divided into four sections.
Status bar – displays the feed rate, current tool, scale factor, job
clock, and inch/mm status.
Information screen – displays information for the task being
performed.
• Used as a readout, the screen will display the current position for
each axis.
• When programming, the program steps and the part graphic will
be displayed.
Message line – operator prompts and messages will appear here.
Softkeys – variable functions appear here; functions are selected by
pressing the hard key directly below the softkey.
4
VRO 300M Introduction
Readout and Program Displays
The
DRO
and
PGM
keys switch between the digital readout (DRO) and program
(PGM) display.
In the DRO display, all standard readout operations are available. The display
can show up to four axis positions simultaneously. If you use more than
four, press the
OTHER AXES
softkey to view the other axes. Softkeys for zeroing and
presetting these other axes will also appear.
In the PGM screen, you can create and run programs. Many of the readout
operations are still available.
DRO
PGM
5
Introduction VRO 300M
When you RUN a
This is the best view for
When in the PGM screen, you can press the
VIEW
key to switch between the
part graphic and the position display. Up to six axes positions can be
displayed at the same time in this view.
programming—you can
see the results of each
step (graphically) as you
enter it.
VIEW
program, the readout
automatically switches to
this view so you can
“move to zero”.
6
VRO 300M 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 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
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 inches 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 the
3. Move slowly past the reference mark until the readout recalls
.
key.
its position. You must move in a positive direction.
7
Readout Operations VRO 300M
Large display shows
Large display shows
Readout Operations
Clear Key
Use the
CLEAR
key to erase digits that you entered by mistake, or to take you
back if you’ve pressed an incorrect function key.
Absolute and Incremental Displays
Absolute Display
Shows the distance from your current position to absolute zero.
The drill is positioned at
1.625 ABS.Absolute Zero,
also called datum
or Workpiece
Zero
1.625
X 1.625 ABS
Incremental Display
Shows the distance from your current position to incremental zero. An
incremental zero is set when you preset a dimension, or when you zero the
incremental display.
The drill is 0.625 on
the negative side of
the incremental zero.
Absolute
zero.
1.000
-0.625
You can always see both absolute and incremental positions at the same
time.
X 1.000 ABS
INCR
ABS
1.625
X -0.625 INC
ABS
INCR
Incremental zero: the
incremental display
will read 0.000 when
the drill is here.
absolute position
incremental position
8
VRO 300M Readout Operations
2.44
Shortcut
You don’t have to worry about
Zeroing the Displays
Absolute Zero
On many prints, dimensions are measured
from one or two surfaces of the workpiece. By
setting the readout’s absolute display to zero
at a well-chosen surface, you can enter
the part’s dimensions directly
from the print, using absolute
presets.
Setting Absolute Zero at the Current Position
1. Move to desired location.
Absolute zero
0.72
1.44
2. Make sure that the absolute position is displayed.
3. Zero the apropriate axis.
Setting Absolute Zero Using an Electronic Edge Finder
1. Install the edge finder into the spindle and connect it to the
ZERO
ENTER
ZERO ZERO
readout.
2. Make sure that the absolute position is displayed.
3. Press the zero key for the appropriate axis.
4. Move slowly until the edge finder touches the edge
ZERO
of the metal workpiece. The absolute position
display will automatically be set to zero at the
workpiece edge.
ABS
INCR
ABS
INCR
ABS
ABS
overtraveling because the edge
finder probe shaft is flexible. The
readout will zero on contact.
9
Readout Operations VRO 300M
Shortcut
Setting Absolute Zero with a Tool
1. Touch the tool to the edge of the workpiece.
2. Make sure the absolute position is displayed.
3. Press the zero key for the appropriate axis.
4. Enter the position of the tool center.
+/- . 2 5
1
Setting Absolute Zero Using a Tool Offset
1. Enter the tool’s diameter.
TOOL
(Refer to page 18 for more
information about using tool
offsets.)
0.25 DIA
-0.125
ABS
INCR
ZERO
ENTER
. 2 5
ABS
RUN
2. Make sure the absolute position is displayed.
3. Identify the appropriate edge of the tool.
ABS
INCR
6
4. Touch the tool to the edge of the workpiece and zero the
appropriate axis.
ZERO
ENTER
ZERO ZERO
10
ABS
VRO 300M Readout Operations
Moving the Absolute Zero
Sometimes you may need to move the absolute zero from its original position
on the workpiece to a different position.
Absolute zero
is currently
here...
1.625
X 0.0000
1. Move the tool to absolute zero.
2. Press the
ZERO
key of the appropriate axis and enter the new
tool position, from the new absolute zero.
+/- 2 5
X -1.625
6.1
-1.625
Now zero is here,
and the tool position
is -1.625
...but you
want it to
be here.
ENTER
11
Readout Operations VRO 300M
Zeroing at a Center Line
Begin setting absolute zero in the usual way and then tell the readout that
you want to use the centerline feature.
ABS
INCR
ABS
ZERO
CENTERLINE
Touch the first edge…
ENTER
…then the second edge.
ENTER
The absolute zero is placed mid-way between the two edges.
Incremental Zero
From the incremental display, press the
display to zero at the current tool position.
ZERO
key. This sets the incremental
12
VRO 300M Readout Operations
Presetting
When you preset a dimension, the readout places an incremental zero at the
location you specify. Then the display automatically switches to the
incremental display so that you can move to zero.
Begin a preset by pressing an axis key (X for
example). The information of the previous preset will
appear. The display will show you if the preset is
absolute or incremental. Use the
between them. Enter the dimension that you want
to preset.
Absolute
zero.
1.625
X 0.000 ABS
ABS
key to toggle
INCR
The drill is positioned at
0.000 ABS.
Preset the absolute
location of the hole.
X 2 5
X -1.625 INCR
ABS
INCR
X 0.000 ABS
-1.625
1.625
6.1
ENTER
The display automatically
switches to incremental.
Now the drill is on the
negative side of the
hole.
Incremental zero: the
incremental display
will read 0.000 when
the drill is positioned
over the hole.
13
Readout Operations VRO 300M
When you enter an incremental preset, the
Absolute and Incremental Presets
To maintain the best tolerance and to minimize the chance for errors, use
• absolute presets for absolute dimensions
• incremental presets for incremental dimensions.
When you enter an absolute preset, it does not
matter where the tool position is. The VRO 300M
calculates the desired location automatically.
0.72
Absolute
Incremental
1.44
2.44
Incremental
ABS
X
X
INCR
ABS
ABS
ABS
. 7 2
1
4
.X 4
2 . 4 4
tool must be positioned at the location you are
dimensioning from.
ABS
INCR
INC
. 5 0
INC
1 . 0
0.50
0.72
1.00
X
ABS
X
ENTER
ENTER
ENTER
7
.X 2
ENTER
ENTER
ENTER
14
VRO 300M Readout Operations
Center-line Presets
You can set a preset at the center of a workpiece, or in the center of a hole.
CENTERLINE
X
Move to the first edge…
…then to the second edge
2.0
ENTER
ENTER
Sets an incremental
zero at the tool
location.
X 0.000 INCR
X 2.250 INCR
Calculates the center
point, and sets an
incremental zero there.
X 1.125 INCR
Presetting Using the POS Key
You can enter a preset using the
once. Refer to page 25 for information on how to complete the Position Step.
When you have completed it, press the
operation.
POS
key for as many as four axes at
RUN
softkey to execute the preset
15
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