Dillon EDjunior Manual de usuario

EDjunior Dynamometer

User’s Manual

2EDjunior Dynamometer User’s Manual

Weigh Bar®is a registered trademark of Weigh-Tronix Inc.

05/16/06 EDJR_U.P65 PN 29810-0017D e1 Printed in USA

EDjunior Dynamometer User’s Manual

Table of Contents

Table of Contents........................................................................................................................ 3

Introduction ................................................................................................................................. 5

EDjr Description .......................................................................................................................... 5

EDjr Front Panel ................................................................................................................... 5

Power On and Annunciators........................................................................................................ 7

EDjr Setup ................................................................................................................................. 7

EDjr Operation........................................................................................................................... 11

Display Modes .................................................................................................................... 11

Force Measurement............................................................................................................ 11

Force Measurement Rezero ............................................................................................... 11

Displaying Peak Force ........................................................................................................ 11

Troubleshooting......................................................................................................................... 13

Safe Operation .......................................................................................................................... 14

Weigh and Force Measurement Practice .................................................................................. 15

Load Centering ................................................................................................................... 15

Alignment ............................................................................................................................ 15

Proper Pin Fit ...................................................................................................................... 15

Torque and Bending ........................................................................................................... 15

Certified Gear...................................................................................................................... 15

Good Force Measurement Practice .................................................................................... 16

4EDjunior Dynamometer User’s Manual

EDjunior Dynamometer User’s Manual

Introduction

The EDjuniorTM (EDjr) electronic dynamometer from Dillon is a force mea-

surement load sensor and digital readout in one instrument. The EDjr can be

used to measure tension or weight.

This manual covers the setup and operation of the EDjr. General information

is covered in the right column of each page with major sections separated

by the black bar shown above. Subheads appear in the left column along

with any special notes, cautions or warnings.

This manual covers the following:

• EDjr Description

• EDjr Setup

• EDjr Operation

• Troubleshooting

Be sure to read the safety precautions found in the Safe Operation section.

The EDjr comes in several weight capacities. All have the same front panel,

shown in Figure 1.

Figure 1

EDjunior front panel

There are four “hard” keys and four “soft” keys. The hard keys are perma-

nently labeled and the soft keys are just below the display. The soft key

functions change and the key label appears above each key on the display.

Sometimes the individual soft keys are referred to as the F1, F2, F3 and

F4 keys as numbered from left to right.

EDjr Description

EDjr Front Panel

EDjr Keys

If you overload this dynamom-

eter you could suffer severe

injuries or death. The total load

on the dynamometer should

NEVER exceed the rated

capacity.

6EDjunior Dynamometer User’s Manual

On/Off key Use this key to turn the unit on and off.

ZERO key Use this key to zero the force indicated

on the display.

ESC key Use this key to escape from portions of

the menu structure and return to previ-

ous choices or displays.

Arrow key Use this key to access any available soft

keys not currently viewed.

If lift hardware (shackles,

chains, beams, hoppers, etc.)

is used to support the load and

zeroed prior to lifting the

current load being displayed,

you can press the ZERO key

for five seconds, the display

will show the total load being

lifted based on the zero point

used in calibrating the EDjr.

EDjunior Dynamometer User’s Manual

Power On and Annunciators

When you power up the EDjr you will see a display similar to the example

shown on the left in Figure 2.

Figure 2

Initial displays

The display sample above shows several symbols you may see on your

display but usually not all at the same time.

Force This tells you that the display is showing live force measurement

at the moment. Will show Peak when viewing Peak Mode.

lbf Current unit of measure is lbf in this example. May also be kgf

or N.

~Motion symbol. This appears when the force is in motion. This

symbol disappears when motion ceases.

Battery annunciator. This shows approximate remaining battery

life.

Capture of a new peak value. This annunciator will remain lit for

a few seconds.

Depending on permission

settings and/or revision of

firmware, various soft keys

may be in a different location or

not visible.

lbf and kgf are units of force,

not weight. They will be close

to their mass counterparts, lb

and kg, for most applications

and at most locations.

8EDjunior Dynamometer User’s Manual

Figure 3

Operator setup menu for the EDjunior

EDjr Setup

One of the first things you should do to begin using the EDjr is to set it up to

suit your specific needs and equipment. You can access the Setup menu,

shown in Figure 3, using the soft keys. Press the appropriate soft key to

accomplish the functions listed on the following pages.

EDjunior Dynamometer User’s Manual

Setup

Misc Press the Misc key to access the following soft key set (refer to Figure 3):

Flash Press this soft key to enable or disable the “display flash”

feedback. If enabled, the press of a key causes the display to

momentarily flash to give you a visual feedback that the key was

activated.

Zero Press this soft key to enable or disable the Zero key’s ability to

also clear the Peak force value. If you enable this function,

press the Zero key to clear the Peak force and zero the load. If

you disable the function, the Zero key will only zero the load.

Peak force remains in effect and will only be cleared with the

Clear function during operation.

Contr Press this key to adjust the contrast of the LCD display. Press

the Down soft key to lighten the contrast. Press the Up soft key

to darken the contrast.

There is a keypad shortcut for increasing and decreasing

contrast. While in normal display mode press Arrow key and F2

simultaneously to increase contrast. Press Arrow key and F1

simultaneously to decrease contrast.

The next soft key is the About. The About menu shows an assortment of

information about your Dillon instrument. This can be handy for maintaining

calibration, troubleshooting or determining if the firmware can be upgraded.

Press this and access the following soft key set (refer to Figure 3):

Device Press this to see software revision and dynamometer informa-

tion.

Calib This soft key access the following soft key set:

Points Press this key to display the calibration loading points.

Setup

About

Dillon suggests that calibration

data be recorded and saved.

Sometimes the individual

soft keys are referred to as

the F1, F2, F3 and F4 keys as

numbered from left to right.

10 EDjunior Dynamometer User’s Manual

Setup

Test

O.Load Lists the number of overloads that have occurred since the unit

was manufactured.

Zero Lists the current zero point compared to the calibration zero

point. If the zero point has moved significantly, this may indicate

a serious overload has occurred and the instrument should be

returned for service.

The Test functions can help service technicians remotely diagnose your

Dillon instrument by showing information on key internal functions. Typically

these menus will have significance only to trained technicians . You may

look at these menus without technical guidance, but the information may

have little meaning, or an error may be reported that may not exist.

Press this key to access several items described below (refer to Figure 3):

Batt Press this key to perform a battery test. This shows the battery

level in A-D counts and approximate voltage. Voltage is not

calibrated.

A-D Press this key to test the A-D section of the EDjr. You need to

apply force to change the counts and test the unit. The A-D is

the electronics portion that converts analog load cell signal to

digital numbers.

Disp. Press this key to perform a display test. Stop the test by press-

ing the ESC key.

Keys Press this key to perform key tests. Any key pressed will be

reflected in the display. Press ESC to end the test.

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