Adam Equipment WBZ 15 Скачать руководство пользователя страница 9 | Manualshive

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© Adam Equipment Company 2008

8

Vout = (2mv/V) * Vext * Mass = 2mv/V * 5V * 20Kg = 6.7mv

capacity of load cell

30kg

If the load cell has been damaged the no load voltage will likely be greater than 3mv or the
loaded voltage will be grossly different from the expected value. Remember the loaded
voltage will be offset by the amount of zero load voltage measured.

The load cell can be tested while it is connected to the A/D, using the scale power supply
for excitation voltage.

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Содержание WBZ 15

Страница 1: ... Adam Equipment Company 2008 Adam Equipment WBZ SERIES Service Manual rev E Software rev 2 22 above ADAM EQUIPMENT CO LTD P N 9046 Rev E November 2009 ...

Страница 2: ...HE SERVICE PARAMETERS 13 8 2 1 F1 CAL 14 8 2 2 F2 100G 14 8 2 3 F3 UNIT 15 8 2 4 F4 CAPACITY 15 8 2 5 F5 UNIT PRICE TOTAL PRICE DECIMAL POINT LOCATION 16 8 2 6 F6 INITIAL ZERO RANGE 16 8 2 7 F7 RE ZERO RANGE 17 8 2 8 F8 SUCCESSIVE TARE 17 8 2 9 F9 A D COUNT 18 8 2 10 F10 ROUNDING OFF THE TOTAL PRICE 18 8 2 11 F11 ZERO 19 8 2 12 F12 LOW VOLTAGE DETECTION 19 8 2 14 F14 AUTO CLEAR 20 8 2 15 F15 CALIB...

Страница 3: ... Adam Equipment Company 2008 2 ...

Страница 4: ...anels Displays for Weight Unit Price and Total Price or Price to Pay Price per 100g and per kilogram Not applicable for South Africa and Far East Price displayed in multiple currency Auto sleep function Battery operated for portability 50 hours battery life when fully charged 2 0 SPECIFICATIONS WBZ 3 WBZ 6 WBZ 15 Capacity Max 3 kg 6 kg 15 kg Resolution d e 0 001 kg 0 002 kg 0 005 kg Tare T 3 kg 6 ...

Страница 5: ...nged dramatically Electronics faulty or Battery low Weight value incorrect Calibration error Recalibrate Unit calibrated with inaccurate weight Balance not level Obstruction between sample pan Wrong unit of weight displayed Cannot use Full Capacity Over load Stops hitting pan support or hitting bottom of load cell Electronics faulty Parameters set incorrectly Load Cell Damaged Not Linear Overload ...

Страница 6: ...eroing scale Improper calibration of the scale Damaged load cell Damaged Electronics Err 6 A D count is not correct when turning the scale on Platform is not installed Load cell is damaged Electronics is damaged 5 0 WBZ DESCRIPTION The WBZ scales have an enclosure with all components mounted within it To gain access to the components remove the 5 screws securing the cover to the base The basic uni...

Страница 7: ...hout a load on the load cell all the resistances are the same However when the load cell has a weight on it 2 of the strain gages will be in compression A and D and the resistance will decrease and 2 will be in tension B and C and their resistance will increase 3 5 0 o h m 3 5 0 o h m 3 5 0 o h m 350 ohm A B C D E S E S BALANCED BRIDGE 10 VOLT POWER SUPPLY Vout O VOLTS BETWEEN S AND s 3 5 1 o h m ...

Страница 8: ...d cell Connect the load cell E and E to a power supply typically 10 volts Never use more than 12 volts as it may damage the load cell Measure the voltage between S and S With no load the voltage should be approximate 0mv 3mv With a mass on the load cell the output voltage should increase The amount by which it increases will be dependent upon the sensitivity of the load cell capacity of the load c...

Страница 9: ...maged the no load voltage will likely be greater than 3mv or the loaded voltage will be grossly different from the expected value Remember the loaded voltage will be offset by the amount of zero load voltage measured The load cell can be tested while it is connected to the A D using the scale power supply for excitation voltage ...

Страница 10: ...OFFICE FOR FURTHER ASSISTANCE 7 2 SECURITY SEALS Method of sealing Alternative method The scale has got metallic loops on the base and the cover located at the right rear corner as shown here A metal pin or wire can be passed through the loops and sealed using a lead wire seal Ensure the seal is secured enough to prevent removing the cover without breaking the seal or damaging the enclosure An alt...

Страница 11: ...oftware revision number followed by the message of the Calibration Count AL nt then 123 The number from the counter memory Then the Parameter Counter message of PAr nt and 234 The counters cannot be reset to 0 they will increment until the display can no longer hold the values 1 to 999999 It is expected we will never have more than 1 million calibrations in the life of the machine Each display is ...

Страница 12: ...ry voltage measurements F14 ACLr Not used Auto Clear is always enabled F15 CAL Cnt Enable or disable the calibration counters Other parameters must be changed using the service parameters as described in section 8 2 After calibration or changing of any parameters the value of the counters is required to be visible on the scale marked in a permanent manner Adam Equipment supplies a label for this p...

Страница 13: ...rs press the 0 key The display will show the parameter number then the word describing the function Press the Tare key to enter a parameter Press the Zero key to exit a parameter Pressing Zero again will display JP on if a jumper was used to gain access Remove the jumper The scale will return to normal weighing 8 1 USING 0000 TO ENTER THE CALIBRATION PARAMETER After the jumper has been placed at J...

Страница 14: ...on the Unit Price window Enter the number 2006 when Pn is displayed and then press Tare The displays will show the first parameters called F1 CAL To select another parameter press the 0 key to advance through the parameters Press the Tare key to enter a parameter To exit a parameter press the Z key The Weight Display window will show the parameter number and the Unit Price window will show the wor...

Страница 15: ...ess the Tare key when F1 CAL is displayed The display will instruct you to remove any weight from the scale UnLoAd Press Tare The display will tell you to add weight to the scale LoAd 6 kiloS Add the weight shown wait for stability then press the Tare key The display will show SPAn PASS if the calibration is OK Or it will show SPAn FAIL if calibration could not be completed correctly The display w...

Страница 16: ...vance to the next parameter 8 2 3 F3 UNIT Select either kilograms or pounds weighing units To enter this parameter press the Tare key when F3 is shown The display will show the current unit either kilograms or pounds Press the 0 key to change the value Press Tare to accept the displayed value and return to the parameter Press the 0 key to advance to the next parameter 8 2 4 F4 CAPACITY To enter th...

Страница 17: ...nd the Total Price windows Press the 0 key to change the value Press Tare to accept the displayed value and return to the parameter Press the 0 key to advance to the next parameter NOTE The units must match the currency used in the country Normally 0 00 is shown 8 2 6 F6 INITIAL ZERO RANGE To enter this parameter press the Tare key when F6 is shown The display will show the current initial zero ra...

Страница 18: ...ameter Press the 0 key to advance to the next parameter NOTE Only 2 is allowed for the WBZ scales 8 2 8 F8 SUCCESSIVE TARE To enter this parameter press the Tare key when F8 is shown The display will show if the successive tare is on or off Press the 0 key to change the value Press Tare to accept the displayed value and return to the parameter Press the 0 key to advance to the next parameter NOTE ...

Страница 19: ...to set the value to 1 or 5 for rounding off the least significant digit of the Total Price For example if the value is set to 1 the Total Price will remain as 12 47 for the original value of 12 47 and if it is set to 5 the Total Price will be rounded off to 12 45 instead of 12 47 To enter this parameter press the Tare key when F10 is shown The display will show the current settings Press the 0 key...

Страница 20: ...e displayed value and return to the parameter Press the 0 key to advance to the next parameter 8 2 12 F12 LOW VOLTAGE DETECTION This parameter allows detection of low voltage when the battery wears down To enter this parameter press the Tare key when F12 is shown The display will show if the LVD Mode is set to on or off Press the 0 key to change the value Press Tare to accept the displayed value a...

Страница 21: ...r allows the scale to show the stored values for the number of times the scale has been calibrated or parameters set The Counting function is either set to On or Off If on the user has access to calibration and parameter setting without the need to open the scale See section 7 3 If set to Off the scale will not show the counter values and the only way the user can access them is to use the jumper ...

Страница 22: ... Adam Equipment Company 2008 21 TO SECURE THE SCALE IT IS NECESSARY TO REMOVE THE JUMPER AND RE SEAL THE SCALE OR UPDATE THE LABEL SHOWING THE CALIBRATION PARAMETER COUNT ...

Страница 23: ...JTAG 9 10 Hold the Tare key down and turn on the scale The display will show DEFAL If you want to set the defaults press the Tare key If not turn the scale off 8 4 TESTING WITH X10 FUNCTION During normal operation press and hold the Tare key and the scale will change to show the weight only with increased resolution All other normal functions of the scale except tare and zero will be disabled Pres...

Страница 24: ... Adam Equipment Company 2008 23 9 0 WIRING DIAGRAM ...

Страница 25: ... Adam Equipment Company 2008 24 10 0 MECHANICAL ASSEMBLY ...

Страница 26: ... Adam Equipment Company 2008 25 ...

Страница 27: ... equipment is not returned in the original packaging and with correct documentation for a claim to be processed All claims are at the sole discretion of Adam Equipment This warranty does not cover equipment where defects or poor performance is due to misuse accidental damage exposure to radioactive or corrosive materials negligence faulty installation unauthorised modifications or attempted repair...

Страница 28: ... Adam Equipment Company 2008 27 ...

Страница 29: ...peration of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded interconnect cables must be employed with this equipment to insure compliance with the pertinent RF emission limits governing this device Changes or modifications not expressly approved by Adam Equipment could void ...

Страница 30: ...Medical Scales Retail Scales for Price computing For a complete listing of all Adam products visit our website at www adamequipment com Copyright by Adam Equipment Co Ltd All rights reserved No part of this publication may be reprinted or translated in any form or by any means without the prior permission of Adam Equipment Adam Equipment reserves the right to make changes to the technology feature...

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