Accurate Technology Digi-Stop Manual de usuario

User Manual for:

Digital Readout Firmware version d 2.000 & Higher

Digi-Stop™

Digi-Stop

Manual Part # 800-1070-001, Rev G, 10-2008 Page 2 of 16

Warranty

Accurate Technology, Inc., warrants this product against defective parts and

workmanship for 1 year commencing from the date of original purchase. Upon

notification of a defect, Accurate Technology, Inc., shall have the option to

repair or replace any defective part. Such services shall be the customer's

sole and exclusive remedy. Expenses incidental to repair, maintenance, or

replacement under warranty, including those for labor and material, shall be

borne by Accurate Technology, Inc. (Including freight or transportation charges

during the first 30 days).

Except as expressly provided in this warranty, Accurate Technology, Inc., does

not make any warranties with respect to the product, either expressed or

implied, including implied warranties of merchantability or fitness for a

particular purpose, except as expressly provided in this agreement.

Accurate Technology, Inc., shall not be liable for any special, incidental, or

consequential damages or for loss, damage or expense directly or indirectly

arising from the customer's use of or inability to use the equipment either

separately or in combination with other equipment, or for personal injury or loss

or destruction of other property, or from any other cause.

To request repair work (either warranty qualified parts or not), contact Accurate

Technology, Inc. directly by phone, fax, or e-mail. A Returned Merchandise

Authorization (RMA) number is required before returning a product for repair.

Accurate Technology, Inc.

+1 828.654.7920 800.233.0580 828.654.8824 (F)

www.digi-kit.com info@accurate-technology.com

Manual P/N 800-1070-001, Rev G.



Accurate Technology 2008

Before installing Digi Stop on any machinery:

Turn off the machine and disconnect the power.

Accurate Technology DigiStop Page 3 of 16

Table of Contents

SECTION 1 GENERAL INFORMATION .......................................................... 4

Introduction.................................................................................................. 4

What This Manual Includes.......................................................................... 4

Digi-Stop Specifications............................................................................... 4

Digi-Stop Parts ............................................................................................ 5

SECTION 2INSTALLATION....................................................................... 6

Assembly & Mounting .................................................................................. 6

Calibration ................................................................................................... 7

Maintenance................................................................................................ 7

Changing the Batteries ................................................................................ 8

The LCD Display.......................................................................................... 8

SECTION 3 OPERATION .......................................................................... 9

Readout Keys ............................................................................................. 9

Key Timing ............................................................................................... 9

On/Off ...................................................................................................... 9

Units......................................................................................................... 9

+, DATUM, and - .....................................................................................10

Readout Resolution ....................................................................................10

Readout Lock Mode....................................................................................11

Making Incremental Measurements ............................................................11

Reverse Readings ......................................................................................10

Circuit board Jumpers.................................................................................12

Readout Programming................................................................................13

Programming Parameters........................................................................14

Pr 1 – Datum Key .................................................................................14

Pr 2 – Reverse Readings......................................................................14

Pr 3 – Key Lockout ...............................................................................14

Pr 4 – Readout Resolution....................................................................14

Frequently Asked Questions .......................................................................15

Manual Part # 800-1070-001, Rev G, 10-2008 Page 4 of 16

SECTION 1 GENERAL INFORMATION

Introduction

Digi-Stop is a complete digital stop and fence system for chop saws, radial arm

saws, and miter saws. It is the consumer model of Accurate Technology’s

ProStop™ Stop & Fence System. The readout has easy-to-use front panel

keys for calibration, incremental measurements, and changing of

measurement units. User selectable resolution will display fractions in 16ths,

32nds, or 64ths; inches as .01 or .001, and millimeters as .1 or .01. The system

is powered by two AA alkaline batteries. It is immune to dirt, sawdust or other

non-conductive contaminants making it the ideal choice for woodshops and

other dusty environments.

What This Manual Includes

This manual includes information for:

Digi Stop-4 Part Number: 903-6004-020

Digi Stop-8 Part Number: 903-6008-020

Digi Stop-10 Part Number: 903-6010-020

Digi-Stop Specifications

Measuring Range 52, 96 inches or 116 inches

Accuracy: + .015inch

Resolution .1inch .1mm or

.01inch .01mm or

.001inch .01mm or

1/16, 1/32 or 1/64 inch

Repeatability: .001inch or .01mm

Readout Range: + 999.999 in; + 399 63/64 in; + 9999.99 mm

Operating Temp: 32 to 120°F

Max. Slew Rate: 60 inches/sec. (1500 mm/sec.)

Encoder: 12 inch six-conductor cable terminated by RJ12

connector.

Dimensions: Available at on request.

Warranty: One year from date of purchase.

Accurate Technology DigiStop Page 5 of 16

Digi-Stop Parts

Each Digi-Stop is shipped in two packages. The first contains the Fence

extrusion with the Scale attached.

The second package contains the Digital Stop and some installation hardware.

Pictured below are parts that will be referred to throughout this manual.

Scale

Encoder

Guide Clip

Digi- Stop End View (shading shown is for clarity only)

Stop

Lock Knob

Readout

Guide Clip

Encoder

Fence

Adjustable Wing

Digital Readout

Stop

Manual Part # 800-1070-001, Rev G, 10-2008 Page 6 of 16

SECTION 2INSTALLATION

Assembly & Mounting

Digi-Stop is easy to install. By following the basics of good installation reliable,

error-free operation can be expected.

1. Carefully slide the encoder onto the Scale.

2. Loosen the locking knob and slide the Stop assembly into the fence

extrusion.

3. Position the encoder and Stop together and slide the encoder under the

Guide Clip so the post on the encoder is captured in the slot of the Guide

Clip, as shown below

4. Attach the readout to the aluminum block on the stop using the enclosed

strips of Velcro. Plug the encoder into the readout .

5. Position the fence system so it is 90 degrees with respect to the blade and

bolt it to your table by inserting the included nuts into the T slot on the

bottom of the fence extrusion and using the bolts to mount the fence to

your table from the bottom.

6. Move the stop assembly left to right and note if the readings increase or

decrease. Depending upon the installation (left or right infeed), it may be

necessary to reverse the reading direction.

See Section 3: Reverse Readings

Accurate Technology DigiStop Page 7 of 16

Calibration

Once installed, Digi-Stop can be calibrated easily and quickly. The following is

an example of calibrating Digi-Stop on a cutoff saw application. Other

installations follow the same general procedure.

1. Cut a small part (approximately 8 inches) using the stop. DO NOT

MOVE THE STOP UNTIL THIS PROCEDURE IS COMPLETED.

2. Measure the length of the part with the most precise measuring tool

you have available (preferably digital calipers).

3. Press the DATUM key to ‘zero’ the readout, then press and hold the +

(PLUS) key to change the displayed reading until the length you just

measured is shown (The longer the +key is held down, the faster the

readout will scroll). This adjustment should be made in a decimal

(inches or mm) mode for the best accuracy.

4. When the correct reading is reached, lock the readout if desired. This

prevents accidentally re-zeroing during normal use.

See Section 3: Readout Lock Mode

Maintenance

The fence extrusion should be cleaned of debris periodically. Do not use any

liquid lubricants on the scale, as this may impede the encoder's ability to

operate properly and attract other contaminants to the scale.

If the stop becomes difficult to move, and the fence and scale have both been

cleaned, the plastic wing may need adjustment:

a. Position the wing to hold the locking mechanism of the stop in the

center of the extrusion slot.

b. The position of the wing can be adjusted after removing the plastic

guide clip and loosening the socket

screws (using a 3/16" hex wrench)

which sandwich the wing between

the stop and the aluminum block.

The wing is adjusted properly when the weight of the stop is supported

by the wing and the locking mechanism does not rub on the extrusion.

The readout should be cleaned periodically with compressed air to remove

any dust on the lens and keys. All fasteners should occasionally be checked

for tightness.

Manual Part # 800-1070-001, Rev G, 10-2008 Page 8 of 16

Changing the Batteries

A low battery indicator will appear in the lower left corner of the LCD. When

battery voltage drops below approximately 2.6V the readout will turn itself off

until the batteries are replaced.

To replace the battery remove the screws in the upper right and lower left

corners. Pull the cover off. Remove the old batteries. Reinstall 2 new AA

Alkaline batteries, noting the proper orientation. Replace the cover and tighten

the screws.

CAUTION: DO NOT BEND THE BATTERY CLIPS!

THESE CLIPS ARE DESIGNED TO BE LOOSE WHEN THE CASE

IS OPEN AND WILL COMPRESS AND SECURE THE BATTERIES

IN PLACE WHEN THE CASE HALVES ARE SCREWED TOGETHER.

The LCD Display

The above figure illustrates all the segments available on the LCD.

(Not all segments are used on Digi-Stop Systems)

Pressing and holding the ON/OFF and UNITS key for 10 seconds with power off

will perform a full segment LCD test, display the current firmware version, and

RESET ALL PROGRAMMING PARAMETERS TO FACTORY DEFAULTS.

Accurate Technology DigiStop Page 9 of 16

SECTION 3 OPERATION

Readout Keys

Key Timing

The keys pictured above, are found on all Digi-Stop readouts, and some of

them have multiple functions.

Timing, which is how long a key is depressed, and the combination of the keys

pressed is important. This manual uses the term ‘”momentarily” to describe a

key press of shorter than 1 second. Whereas the term “press and hold” is used

to describe a key press of longer than 1.5 seconds. As an example; when using

a PC keyboard to type a capital letter you would “press and hold” the SHIFT

key and “momentarily depress the LETTER key. In addition most of the key

“functions” are executed on RELEASE, not press. This is important since

some of the same keys execute different functions based on how long they are

pressed and when they are released. These key operations, once tried will

quickly become intuitive.

On/Off

Momentarily pressing the ON/OFF key will cause the readout to turn on or off.

The Firmware Version of the readout is displayed on power-up when ON/OFF

key is used. While the readout is on, if the stop is not moved for 15 minutes,

the readout will automatically turn itself off to conserve battery life. While it is

off if the stop is moved as little as .002in (.05mm), or the ON/OFF button is

pressed, the readout will automatically turn itself back on with no loss of

position.

Units

The readout can display position information in decimal inches, fractions, or

millimeters. To change the current display mode, momentarily press the UNITS

key. With each key press the readout will cycle through decimal inches,

fractional inches and millimeters.

When the readout is in 1/16 or 1/32 inch fraction mode, a series of “bars” in the

upper right corner of the display, each representing 1/64th of an inch, may

appear. (ie. When in 1/16 inch mode and three bars are showing, the

measurement displayed is rounded down to the closest 1/16 inch and each

Manual Part # 800-1070-001, Rev G, 10-2008 Page 10 of 16

illuminated bar indicates an additional 1/64 of an inch of measurement.) For

better resolution, switch to 1/32 or 1/64 mode. For the best resolution and

accuracy switch to a decimal mode – inches or millimeters..

When the measurement is greater than 99 63/64 inches, a +100

+100+100

+100 and/or +200

+200+200

+200

will illuminate in the upper right portion of the display to indicate this amount

must be added to the displayed reading. ie: If the measurement is 154 5/8

inches, 54 5/8 and +100

+100+100

+100 will be illuminated on the display. If the measurement

is -307 23/64 inches, - 7 23/64, +100

+100+100

+100 and +200

+200+200

+200 will be illuminated on the

display.

+, DATUM, and -

The + (plus), DATUM and –(minus) keys are used to change the currently

displayed position to a different value. The DATUM key forces the readout to

display a user programmed value. Programming Parameter Pr1

Momentarily depressing the + key increments the current position by one unit

of measurement. Momentarily depressing the –key decrements the current

position by one unit. Pressing and holding the + or –keys will cause the

displayed position to change continuously. Holding down the key will cause the

amount of change to speed up. This allows for quick adjustments over a range

of large values.

NOTE: While the DATUM key can be used to simply “zero” the currently

displayed value, it can also be programmed to force the readout to a preset

value. This can be zero, or any other displayable value.

See Section 3: Readout Programming, Programming Parameter Pr1.

Reverse Readings

Reverse readings means changing the direction of readings produced by

moving the stop. If the DigiStop decrements (reduces or goes negative) when

it should be incrementing (increasing or going positive), the readout will need

to be re-programmed for your installation (right vs left infeeds).

See Section 3: Readout Programming, Programming Parameter Pr2.

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