Vision Tech Shop TVC Series Manual de usuario

TVC

Counting Scales

V1.2

TVCCountingScales Operation Manual

Contents

1.INTRODUCTION ............................................................................................................... -1 -

2.KEYDESCRIPTION.......................................................................................................... -1 -

3. DISPLAYSYMBOLS............................................................................................................ -1 -

4. GENERALINSTRUCTION.................................................................................................. -2 -

5. BASICOPERATION .............................................................................................................. -2 -

5. 1Power ON/OFF.......................................................................................................... -2 -

5. 2Zerothe scale............................................................................................................ -2 -

5. 3Tare.............................................................................................................................. -3 -

5. 4Overload Warning...................................................................................................... -3 -

5.5Changeunit................................................................................................................. -3 -

6. PARTSCOUNTING.............................................................................................................. -3 -

6.1 Setting Unit Weight........................................................................................................ -3 -

6.1.1 Weighing a sample to determine the Unit Weight............................................... -3 -

6.1.2 Entering a Known Unit Weight........................................................................... -3 -

6.2 Parts Counting................................................................................................................ -4 -

6.3 Automatic Part WeightUpdates..................................................................................... -4 -

7.WEIGHINGANDCOUNTING CHECKINGALARM......................................................... -4 -

7.1Set Hi/low Limit........................................................................................................... -4 -

7.2Checking Alarm........................................................................................................... -4 -

8.ACCUMULATED OPERATION............................................................................................ -5 -

8.1 ManuallyAccumulated Total......................................................................................... -5 -

9. OTHER FUNCTION............................................................................................................. -5 -

9.1Backlight....................................................................................................................... -5 -

10.SPECIFICATION.................................................................................................................. -6 -

11.DIMENSIONS(inch/mm).................................................................................................... -6 -

12.ERRORMESSAGE............................................................................................................. -6 -

13.SELECTINGTHEPRINTER.............................................................................................. -7 -

14.RS232OUTPUT................................................................................................................. -7 -

14.1Print Format................................................................................................................ -7 -

14.2Diagram: Serialinterface......................................................................................... -8 -

TVCCountingScales Operation Manual

-1-

1.INTRODUCTION

üTVCseries ofscales provides anaccurate,fastand versatileseries ofcounting

scales.

üWeighingunitsconversion(kg/lb).

üAllunitsinclude automaticzerotracking,audiblealarmforpre-setweights/quantity,

tareand an accumulationfacilitythatallowsthe counttobe stored and recalledas an

accumulated total.

üStandardRS-232 can be connected toreceipt andlabelprinter.

2.KEYDESCRIPTION

3. DISPLAYSYMBOLS

Keys Description

CUsedtoclear the unit weight or an erroneous entry.

Holding thiskeycan shift inweighingcheckalarmand countingcheckalarm.

0~9 Numericentrykeys,usedtomanuallyenteravalue fortareweights,unit

weight, and samplesize.

M+ Add thecurrentcounttothe accumulator.Upto99 values orfullcapacityof

the weight displaycan be added.

MR Torecall the accumulatormemory.

PST Toset the high/low limit for the weighing and countingcheckingalarm.

U.Wt/

UNIT

Usedtoenter the weight ofasamplemanually.

Press and holdthe keytoselect weighingunits

SMPL Usedtoinput the number ofitemsinasample.

ZERO Set the zeropoint for allsubsequent weighing. Displayshowszero.

TARE

Tares the scale.Storesthe currentweightinmemoryas atarevalue,

subtractsthe tarevaluefromthe weight andshowsthe Net weight. Enteringa

value using the keypad willstorethat value as the tarevalue.

Print Toprint the resultstoaPCor printer usingthe optionalRS-232interface.

Symbols

Description

BATT.

Batteryindicator.When itsilluminated, batteryshouldbe recharge

NET NetWeight

STABLE Stableindicator.Whenitsilluminated, the scaleisstable

ZERO Zeroindicator.Whenitsilluminated, the scaleisinZeropoint

TVCCountingScales Operation Manual

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4. GENERALINSTRUCTION

1Whenbatterygoeslow,the BATTsymbolindicatorwillbeshownonautomatically.This

indicatesthatthe batteryneedstobe charged withthe AC power.Ifthe scalegoeson

being used withoutpropercharging,the displaywindowwillshow “BATLO”every5

minutes,and scalewill eventuallyshutdownautomaticallyafter2hoursofwarning in

ordertoprotectthe battery.Please chargethe batteryimmediately,orscalecannotbe

used.Tocharge battery,simplyplugAC adapterormainpowercord;itisnotnecessaryto

turnon the scale.

2.Justleft ofthe quantitydisplayisanLEDthatindicatesthe status ofbatterycharging.

Whenthe scaleisplugged intothe mains power,the internalbatterywill be charged.

Whencharging the battery, the LED isred; when fullycharged, the LEDwill turntogreen.

3Beforestartingusingscale,please checkifthebubbleisinthe middleofthelevel;if not,

please make appropriateheight adjustment.

5. BASICOPERATION

5. 1Power ON/OFF

Powerswitch islocated belowthe rightside ofthe scale.Turn on the scaleby

pressing on/off.The displayisswitched onand theself-testisstarted.Ifyou wantto

switch off,press the keyagain.

5. 2Zerothe scale

Whenthereisno itemon the scalebut reading isnot zero, press

the ZERO keytoturnon ZERO indicator.When the weightgoes over2%ofthe full

capacity, “read zero”function isobsolete.

kg/lb Current weighing unit

indicatorswill showwhen the scalehas determined thatthereisan

insufficient number ofsamples toaccuratelydetermine the count:

Preset Ifapreset count has beenstored, thisindicator willhavean arrow aboveit.

Whenthe unit weight isnot large enoughtodetermine an accuratecount.

Memory Indicatorswillshowwhen avalue has been enteredintomemorywhen the

arrow abovethe "memory"legend ison.

Charge Status ofthe batterycharging

TVCCountingScales Operation Manual

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5. 3Tare

Putcontaineron theplatter,once the weightreading isstable,pressthe TARE key,

the TARE indicatorwillbe on and thecontainer sweightwillbe deducted. When itistime

toclear the TARE, take off the container, and press TAREkeyagain.

5. 4Overload Warning

Please donot additemthat isover the maximumcapacity.

Whenthe scaledisplays“OL “andbeeping sounds,removethe itemon the

platter toavoiddamage tothe load cell.

5.5Changeunit

You can use the U.Wt/UNIT keytochangeunit(kg/lb). Pressing U.Wt/UNIT keywill

change the weighing unitcircularly, and the pertinent indicator willbe on.

6. PARTS COUNTING

6.1SettingUnit Weight

Inordertoperformpartscounting,itisnecessarytoknowtheaverageweightofthe

itemstobe counted.Thiscan be donebyweighingaknownnumberoftheitemsand

letting the scaledeterminethe average unitweightorbymanuallyinputtingaknown

weight usingthe keypad.

6.1.1WeighingasampletodeterminetheUnit Weight

Todetermine the averageweightofthe itemstobe counted,place aknownquantity

ofitemson the scaleand then enter the quantitybeing weighed.

The scalewill thendivide the totalweightbythe numberofsamplesand displaythe

average unit weight.

Zerothe scalebypressingthe ZERO keyif necessary.Ifacontaineristobeused,

placethe container on thescaleand tareas discussed earlier.

Place aknownquantityofitemsonthe scale.Afterthe weightdisplayisstableenter

the quantityofitemsusingthe numerickeysfollowed by SMPL key.The numberofunits

will bedisplayed on the "Quantity"displayand the computed averageweightwill be

shownon the "UnitWeight"display.

Asmoreitemsareadded tothe scale, the weight andthe quantitywill increase.

Ifthe scaleisnotstable,the calculation will notbe completed.Ifthe weightisbelow

zero, the quantitydisplaywill show negativecount.

6.1.2Entering aKnownUnit Weight

Ifthe unitweightisalreadyknown,then itispossibletoenterthatvalue using the

keypad.

Enterthe valueofthe unit weightusing the numerickeysfollowed bypressing and

holdingthe U.Wt/UNIT keyforthree seconds.The"UnitWeight"displaywill showthe

TVCCountingScales Operation Manual

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value as it was entered.

The sampleisthen added tothe scaleand theweight will bedisplayed as wellas the

quantitybased uponthe unit weight.

6.2PartsCounting

Afterthe unitweighthasbeen determined orentereditispossibletouse the scalefor

partscounting.The scalecan be taredtoaccountforpackage weightas discussed inan

earlier section.

After the scaleistared, place the itemstobe counted on the scaleandthe "Quantity"

displaywillshow the number ofitemscomputed using the weight and the unitweight.

It ispossibletoincreasethe accuracyoftheunitweightatanytimeduring the

counting processbyentering the countdisplayed then pressingthe SMPL key.You must

be certainthe quantitydisplayed matches the quantityon the scalebeforepressing the

key.The unitweightwillbeadjusted baseduponalargersamplequantity.Thiswill give

greater accuracywhen countinglarger samplesizes.

6.3AutomaticPart Weight Updates

The scales will automaticallyupdatethe unitweightwhen asampleequaltoless than

the samplealreadyon the platformisadded.Abeep will beheardwhen the value is

updated. Itiswise tocheckthe quantityiscorrectwhen the unit weight has been updated

automatically.

Thisfeatureisturned offas soon as the numberofitemsadded exceeds thecount

used asasample.

7.WEIGHINGAND COUNTING CHECKINGALARM

7.1Set Hi/lowLimit

Press PST key,the display will show PCSHI,keyinhigh limitforcounting alarm, press

TARE toconfirm,then the displaywill show PCSLO,keyinlowlimitforcounting alarm,

press TARE toconfirm,then the displaywill show nethi,keyinhigh limitforweighing,

press TARE toconfirm,then the displaywill show netlo ,keyinlowlimitforweighing,

press TARE toconfirm.The displaywill be backtonormalweighingmode.

7.2Checking Alarm

Atfirst, you need setcheckingmode,press and hold C key,you will show checknet

(weighing checking alarm), checkpcs (counting checking alarm)or checkoff (don tuse

alarmfunction).

The beep sound willbe worked as per described inthe beep settings.Checkparameter

f9beep

Check mode no : Nobeepsoundinthe limits. Function turned off.

Check mode ok : When the weight/quantityisbetween the limits. beeper willbe

sounded.

TVCCountingScales Operation Manual

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Check mode ng : Whenthe weight/quantityisout ofthe limits, the beeper will be

sounded.

Note:Check weighingavailableonlywhenweight morethan20d

Forchecklimits, just onelimit valuecanbeset foroperations

Thecheck modewill bedeactivating, if bothvalues areset tozero.

8.ACCUMULATEDOPERATION

8.1ManuallyAccumulatedTotal

The values (weightand count) shownonthe displaycan be added tothe values in

the accumulatorbypressing the M+ key.Thememoryindicatorwillbe on.The "Weight"

displaywill showthe totalweight, the "Count"displaywill showthe totalaccumulated

count and the "UnitWeight"displayshowsthenumber oftimes itemshavebeen added to

the accumulation memory.The values willbe displayed for2seconds beforereturningto

normal.

The scalemustreturntozerooranegativenumberbeforeanothersamplecan be

addedtothe memory.

Moreproductcan then beadded andthe M+ keypressed again.Thiscan continue

for up to99 entries, or untilthe capacityweight displayisexceeded.

Toobservethe totalstored pressthe MR key.The totalswill be displayedfor2

seconds.

Toclearthememorypress MR torecall thetotalsfrom memoryandthenpress the C

keytoclear allvalues frommemory.

9. OTHER FUNCTION

9.1Backlight

Innormalweighing mode,Press andhold

key until the following displayisshown

Press the M+ keytochange the settings

backlight displaymode toAuto/ On/Off.

(The third screen saying “Auto” will not always be the same, since it depends on the option)

Display Description

bLSEtModEAUto Backlightwillbe turnedon,when start to

use or when weight isnot inzero.

bLSEtModE on Backlight will be turned alwayson

bLSEtModE oFF Backlight function will beturned off

BLSEt ModE AUto

TVCCountingScales Operation Manual

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10.SPECIFICATION

MODEL TVC-6 TVC-12 TVC-30 TVC-60

Capacity 6lb/3kg 12lb/6kg 30lb/15kg 60lb/30kg

Readability 0.0002lb/0.1g 0.0005lb/0.2g 0.001lb/0.5g0.002lb/1g

Resolution 30000

WeighingUnits kg / lb

Display 0.59inch /15mmdigitsLCD Displaywithwhite LED back Light

Plattersize 8 x10.5inch/ 204 x265mm

Housing ABSPlasticand Stainless Steelpan

Interface RS232 Output optional

OperationTemperature 14°F-104°F/ -10°C -+40°C

PowerACAdaptor12V/500mA, Rechargeable Battery6V/3.2Ah

Batterylife Approx.60 Hours LCD (no backlight)

Keypad 20 membrane keys

Dimensions (inch/mm) 10.5 (W)x12 (D)x4 (H)/ 265 (W)x313 (D)x108.8 (H)

Gross weight 9lb (4.1kg)

11.DIMENSIONS(inch/mm)

12.ERRORMESSAGE

ErrorMessage

Description Solution

Err 4 Zerosetting error Zerosettingrange exceededdue to

switching on.

Makesureplatformempty.

TVCCountingScales Operation Manual

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13.SELECTING THE PRINTER

Forprintersetting,itneeds toenterthe parameterssettings toselectF8RS232>

mode > EP50/LP50, use M+ keytoselect options

14.RS232OUTPUT

The TVCSeries ofscalescan be orderedwithastandardRS-232 output. It can be

connected toDEPreceipt printer &DLPlabelprinter

14.1Print Format

Err 6 A/Dvalueout ofrange Makesureplatformemptyand checkthe

pan isinstalledproper.Checkthe load cell

connectors.

Err15 Enter gravityerror Gravityrange (0.9~1.0)

Err19 Initializezeroerror Calibrationthe scale.

--ol-- Over range Removethe load.

Re-calibrate

fail CalibrationError Re-calibrate

Ba lo Batterylow Rechargebattery, checkthe voltages.

Options Description

EP50 Press M+ keytosend datatoDEPreceipt printer

LP50 Press M+ keytosend datatoDLPlabelprinter

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