EDjunior Dynamometer User`s Manual
Contents
1. Insure all hardware fittings and line used to sustain the load are properly sized and rated for the installation Have the system evaluated by a qualified engineer if any question or uncertainty exists Certified Gear EDjunior Dynamometer User s Manual 15 Good Force Measurement Practice Be sure fixturing does not bind between the body of the EDjr and the shackle Center the load on the shackle pin Use spacers to insure centering where applicable Use only with a pin of the same diameter and hardness as the original factory equipment Use hardware that allows single point attachment and freedom of alignment Do not use hardware that is undersize or restricts self alignment This results in poor measurement performance and possible dangerous safety conditions Do not torque bend or sideload 16 EDjunior Dynamometer User s Manual EDjunior Dynamometer User s Manual 17 18 EDjunior Dynamometer User s Manual Dillon A division of Weigh Tronix Inc 1000 Armstrong Dr Fairmont MN 56031 USA Telephone 507 238 4461 Facsimile 507 238 8258 e mail dillon weigh tronix com www dillon force com DILLONI Force Measurement Products amp Systems2. Force Peak force can only be reset to zero if live force is zero Peak force will reset to match live force The EDjr has two display modes accessible by pressing the Mode soft key See Figure 4 The first display mode when you power up is the live force measurement mode Press the Mode soft key and the display changes to peak measurement mode This mode shows the peak force applied to the EDjr since the last peak clearing action Delete the peak reading by pressing the Clear soft key Press the Mode soft key again and the display returns to the force measure ment mode Follow these steps to perform a gross force measurement 1 Turn on the unit with the On Off key 2 Remove any weight from the EDjr 3 Zero the EDjr by pressing the ZERO key 4 Apply the force to the EDjr and read the gross force on the display You can change the units of measure of the display by pressing the Units Soft key Zero reference is maintained after instrument power off and will be recalled with the next power on Zero reference may be lost if battery power is removed Rezeroing allows the weight or load of fixturing to be invisible to the mea surement The zeroed load must always be considered as part of the maximum capacity 1 Turn on the unit with the On Off key 2 Remove any weight from the EDjr 3 Zero the EDjr by pressing the ZERO key 4 Apply the tare force to the EDjr and press the ZERO key 5 Apply the force to the EDjr and
3. Load Zero Lists the number of overloads that have occurred since the unit was manufactured 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 Disp Keys Press this key to perform a battery test This shows the battery level in A D counts and approximate voltage Voltage is not calibrated 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 Press this key to perform a display test Stop the test by press ing the ESC key Press this key to perform key tests Any key pressed will be reflected in the display Press ESC to end the test EDjunior Dynamometer User s Manual EDjr Operation Display Modes Force Measurement Force Measurement Rezero Displaying Peak
4. read the net force on the display Steps 2 and 3 are not required if the weight of the fixturing is not needed This should be maintained however to know cumulative loads The EDjr will store the peak force applied until that reading is cleared To display the peak force applied to an EDjr from the force measurement mode press the Mode soft key The display changes to display mode 2 shown in Figure 4 which is the peak display mode The peak force is dis played You can clear this by pressing the Clear soft key Peak reading is maintained after instrument power off and will be recalled with the next power on Peak reading may be lost if battery power is re moved EDjunior Dynamometer User s Manual 11 Display Mode 1 cm ESC key NN Force lbf press FOrce Ibf Live force reading Arrow key press Setup Config Mode key press Display Mode 2 Peak Ibf ESC key Peak Ibf am press 44 Peak force reading Arrow key press Setup Config Figure 4 Display mode menu Press the Mode soft key until the desired display mode is reached 12 EDjunior Dynamometer User s Manual Troubleshooting Problem Possible Cause Solution EDjr powers on momen Low battery Replace with high quality alkaline batteries tarily and turns off EDjr does not power on Low battery Replace with high quality alkaline batteries Batteries installed back Insure that positive te
5. DILLON a EDjunior Dynamometer CC 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 Table of Contents Table of Contents ee cp ia ee a Rec odiada 3 Introduction ii a i L i i tab 5 SAE eo e mE 5 EDjr Front Panel en en 5 Power On and Annunciators sss eene aa aaa aa aaa enr snnt nnn sinn nennen sen nnns 7 zr cL eee eet 7 sepe 11 Display tojo E 11 Force Measurement aan sense i i i nb 11 Force Measurement Rezero sencera nir R 11 Displaying PealeForee it eet ted d a a Locri ade sedat P Aa bi 11 Troubles hogin ses ee asies E E 13 Sale OPS atl OM saccades EE 14 Weigh and Force Measurement Practice ssssssssseseeenee eene 15 load C entering en seen nce rere ee eue sere evene tad seg de el ea ia 15 Miei CEP 15 Propor Pin Fit IL i ia a a ii a i i 15 Torque and Bending excess asis id i e ae a pa NN 15 corned Gea prc E 15 Good Force Measurement Practice occcccnnnccnnncccnnnoccccononnnnnnan nc conan nc cnn nn enne 16 IMPORTANT SEGARRA CARACAS This equipment must be routinely checked for proper operation and calibration Application and usage will determine the frequency of calibration required for safe operation ppp 777 777777 EDjunior Dynamometer User s Manual 3 EDjunior Dynamometer User s Manual Introduction Warning If you overload this dyna
6. d above the rated capacity Doing so can significantly impact fatigue life of the instrument and cause premature and abrupt failure If a higher capacity reading is needed Dillon insists that a larger instrument be used Safety is always a concern in overhead lifting and tensioning applications To limit your liability always insist upon factory supplied shackles and pins and factory tested and certified safe optional equipment All DILLON prod ucts are designed to meet the published Safe Working Load SWL and Ultimate Safety Factor USF standards of the United States Military Do not grind stamp or deform the metal on the dynamometer body in any way Any significant damage or deformation to the loading element is cause for evaluation by Dillon particularly in the element side members to the right and left of the display Relieve all torsional and off axis loads Apply load in the center of the shackle bow with this instrument Off center loading results in substandard performance Instrument requires time to stabilize when changing temperatures Use only the hardware supplied with this instrument If no hardware was supplied insure that the mating pin and shackle bow is equivalent to the hardware used at calibration Otherwise substandard performance can result Dillon recommends only using qualified rigging hardware and cannot be responsible for unapproved hardware This instrument is not designed for the following Applica
7. ey 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 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 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 EDjunior Dynamometer User s Manual 9 Setup Test 10 O
8. ifting 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 On Off key V ZERO ZERO key ESC key Arrow key EDjunior Dynamometer User s Manual Use this key to turn the unit on and off Use this key to zero the force indicated on the display Use this key to escape from portions of the menu structure and return to previ ous choices or displays Use this key to access any available soft keys not currently viewed 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 ESC key Depending on permission Ibf press Ibf settings and or revision of firmware various soft keys may be in a different location or Arrowikey aoe press not visible Setup Config 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 Ibf and kgf are units of force at the moment Will show Peak when viewing Peak Mode nol weight TEY WIDE CIAR Ibf Current unit of measure is Ibf in this example May also be kgf to their mass counterparts Ib ga or N and kg for most applications and at most locations Motion symbol This appears when the force is in motion This s
9. mom eter you could suffer severe injuries or death The total load on the dynamometer should NEVER exceed the rated capacity EDjr Description EDjr Front Panel EDjr Keys The EDjunior 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 DILLON vr Ibf 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 EDjunior Dynamometer User s Manual 5 If lift hardware shackles chains beams hoppers etc is used to support the load and zeroed prior to l
10. rminals of both batteries nub wards or no spring contact face inward towards the black cap Check that spring is attached to the battery cap Software reset Remove battery cap amp reinstall after one minute Attempt to turn power on again Display contrast too light Hold the Arrow key down while pressing the F2 key several times to increase the display contrast If nothing occurs release both keys Press the power button and try again Display is completely Display contrast too dark Hold the Right Arrow key down while pressing the dark F1 key several times to decrease the display con trast EDjunior Dynamometer User s Manual 13 Safe Operation Warning 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 14 Keep all the following in mind as you use the EDjr dynamometer IMPORTANT SIISILILILGIL LS Sy This equipment must be routinely checked for proper operation and calibration Application and usage will determine the frequency of calibration required for safe operation 2202922922229 TI The system capacity is equal to the rating of the dynamometers The shackle rating should not be used to determine lift capacity of the system Any zeroed deadload must be considered as part of the ultimate load Although this instrument has a substantial overload protection rating the instrument should not be use
11. tions that see rapid dramatic temperature swings or thermal shock Wide variation in readings can occur Environments with high electromagnetic fields such as cranes employ ing electromagnets to lift metal These induce trace voltages that are picked up within the load cell lead wiring and appear as inaccurate loads Intrinsically safe environments This unit has not been Factory Mutual tested EDjunior Dynamometer User s Manual Weighing and Force Measurement Practice The basis for all electronic force measurement or weighing is measurement of stress in a loadcell body To obtain optimal results it is necessary to establish a few basic rules otherwise the effect may be a nonlinear or non repeatable response Read and follow these tips and see the illustrations on the next page For accurate performance the force acting on the unit must be in line with Load Centering a Insure shackles are oriented parallel with the instrument Apply load in the Alignment center of the shackle bow A proper fitting pin is important in order to generate an even stress distribu tion and avoid yield stresses To achieve published accuracy you must use the shackle pins provided by Dillon Proper Pin Fit Torque and bending should be avoided Use swivels on the lifting wire for Torque and Bending anti torque and avoid side forces Certified shackles and lifting gear should always be used in accordance to local laws and federal legislation
12. ymbol disappears when motion ceases Battery annunciator This shows approximate remaining battery am life Capture of a new peak value This annunciator will remain lit for a few seconds EDjunior Dynamometer User s Manual 7 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 Setup r 1 Misc About 4 Test Batt AD Disp r4 Keys Test Test Test Test battery A D display keys Device 4 Calib O Load Zero Software rev Lists List current link info of overloads zero Points compared against Display cal zero calibration points Flash 4 Zero Contr Enable Clear Adjust keypad peaks LCD display on Zero contrast flash press Figure 3 Operator setup menu for the EDjunior EDjunior Dynamometer User s Manual Setup Misc Sometimes the individual soft keys are referred to as the F1 F2 F3 and F4 keys as numbered from left to right Setup About Dillon suggests that calibration data be recorded and saved Press the Misc key to access the following soft key set refer to Figure 3 Flash Zero Contr Press this soft k
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