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1. Then the display will show Load1 apply the reference weight of the full capacity of the scale just in the center of the platform The span adjustment will automatically be achieved Calibrate weight request the front digits if the full capacity For example the full capacity is 300kg the 30kg 40kg to 290kg integer value will be 17 BW BWS CW VW serial Bench Scales user s manual accepted then press the ZERO key Then the display will show Load2 apply the reference weight of the full capacity of the scale just in the center of the platform The rule is the same as Load1 then press the ZERO key Then the display will show Load3 apply the weight of the full capacity the full capacity will automatically be achieved then press the ZERO key If the calibration is acceptable the display will return to normal If an error message is shown try calibration again as a disturbance may have prevented a successful calibration 3 External Calibrate press TARE until display show P6 xc1 then press ZERO key to enter external calibrate The display will show unLd Remove any weight from the platform After stable indicator on press the ZERO key Then the display will show the last calibration weight used If this is correct you can continue by pressing the ZERO key If it is not correct use the M IMR TARE keys to change the calibration weight value Wh
2. pin6 pin9 analog output pin 6 com gnd pin 7 analog power input 10 32VDC input pin 8 T 0 10V 4 20mA output pin9 T 0 10V 4 20mA output checkweighing output application sample you need a additional output control PCBA BW BWS CW VW indicator Output control PCBA AC power L N 3 3 5 mercury level bubble If you want to scale can t work when not level you can add one mercury level bubble connect 2 wire to K1 when scale not level mercury level bubble short indicator will show err 1 when this message appear please adjust scale level If you don t need this function just leave K1 unused BW BWS CW VW serial Bench Scales user s manual SECTION 4 KEY DESCRIPTIONS ON OFF or Turn on or off the power Zero Set the zero point for all subsequent weighing The display shows zero A secondary functionof Enter key when setting parameters or other functions Tare Tares the Stores the current weight in memory as a tare value subtracts the tare value from the weight and shows the results A secondary function incrementing the active digit when setting a value for parameters or other functions Press Zero and Tare key together in normal weighing mode will turn on off animal function when enter escape animal mode you will hear beeper on twice MR Memory recall key show total accumulate weight in memory In setting mode t
3. setb1 press ZERO key to enter press TARE key display show seto f press ZERO key to enter auto power off setting press TARE key to change auto power off time Off on 3 5 15 30 of ON always on of off always off of xx auto power off after standby xx minutes press ZERO key to sure press G N key to escape 10 To set parameters press the ask password press BW BWS CW VW serial Bench Scales user s manual SECTION 7 PARAMETERS The scale has 8 parameters that can be set by the user plus a method of entering the calibration section PRINT key during self checking display will show pn M G N TARE to enter The display will show the first function pO chk Pressing the TARE key will cycle through the other functions Pressing ZERO will allow you to set the function It may be necessary to either use TARE or set a value using the M MR key to move the active digit and then using the TARE key to increment a digit followed by the ZERO key to enter the value Use the G N key to leave a parameter unchanged For example when the display shows p0 chk press the ZERO The display will show Set Lo press the ZERO to skip to the next parameter Set Hi for setting the high limit TARE After pressing the ZERO f
4. weighing Check weighing is a procedure to cause an alarm to sound when the weight on the meets or exceeds values stored in memory The memory holds values for a high limit and a low limit 8 BW BWS CW VW serial Bench Scales user s manual Check mode OK When check range the display will show OK and the beeper will sound when the weight is between the limits Check mode NG When check range the display will show OK and the beeper will sound when the weight is out of the limits 6 4 2 Set limits Press G N and PRINT key together it will display set h use TARE key to select SET H or SET L press ZERO key to enter use M and MR key to move active digit use TARE key to change value use Print key to clear value After you enter the value press ZERO key to sure press G N key to escape 6 4 3 Set check weighing mode Press G N and print key together it will display set h use TARE key to select beep press ZERO key to enter press TARE key to select ok check mode Ok ng check mode NG no no beep press ZERO key to sure press G N key to escape 6 4 4 NOTE Checkweighing function only available when weight more than 20d min To disable the Check Weighing function enter zero into both limits by pressing the PRINT key when the current limits are shown then pressing ZERO ENTER to store t
5. ATION Turn the power off Turn the power back on during the counting from 9 to O press the PRINT key The display will show pn ask password press M G N TARE to enter The display will show the first function pOchk press TARE until display show P3 cal press zero to enter press Tare to select CAL press ZERO key to enter calibrate The display willshow Nonlin 1 Normal calibrate press ZERO key to enter calibrate The display will show unLd Remove any weight from the platform After stable indicator on press the ZERO key Then the display will show the last calibration weight used If this is correct you can continue by pressing the ZERO key If it is not correct use the M MR TARE keys to change the calibration weight value When it is correct press the ZERO key Then display will show LoAd Place the calibration weight on the scale After stable press the ZERO key 2 Linearity Calibrate Press ZERO key to enter calibrate Press TARE key Then the display will show Liner Press ZERO key to enter calibrate Then the display will show PIN ask password press G N M MR to enter The display will show Load0 Remove any weight from the platform After stable indicator on press the ZERO key
6. BATTERY OPERATION sans enter 15 SECTION ERSZ32 OUTPUT Ar aati ee re ea o 16 9 1 basie Nformallones rue 16 9 2 normal output a della us 16 9 3 continuously output protocol esse Ba 16 SECTION 10 CALIBRATION Sm ale eat 16 SECTION IT ERROR CODE au Reese eissauhiieg 19 BW BWS CW VW serial Bench Scales user s manual SECTION 1 INTRODUCTION The BW BWS CW VW series of bench scale provides an accurate fast and versatile series of general purpose weighing scale with counting and check weighing functions There are 3 series s within the range the platform size from 350mm x 450mm to 600mm x 800mm the capacity range from 30kg to 1000kg All the displays are large easy to read liquid crystal type displays LCD The LCD s are supplied with a LED backlight All units include automatic zero tracking audible alarm for pre set weights and an accumulation facility that allows the individual weights to be stored and recalled as an accumulated total BW BWS CW VW serial Bench Scales user s manual SECTION 2 SPECIFICATIONS Model SBW BWS CW V W MBW BWS CW VW LBW BWS CW VW Platform size 350mm x 450mm 420mm x 520mm 600mm x 800mm Capacity 30kg 60kg 150kg 60kg 150kg 300kg 300kg 600kg 1000kg Resolution 1 15 000 iienaa RS 232 Output Optional Analog output optional Stabilisation Time 1 Seconds typical Operating Temperature 0 C 40 C 32 F 104 F Power supply External AC adap
7. BW BWS CW VW series Bench Scales User s guide UGBW BWS C W VW E1 17 BW BWS CW VW serial Bench Scales user s manual Table of Contents SECTION A INTRODUCTION eat a 1 SECTION 2 SPECIFICATIONS as ler 2 SECTION SS INS TALEATION re eier elle 3 Se General sta lOs E ana 3 3 2 Installation of BW BWS CW VW series 3 3 3 PP inicade E a AO ENE Ra 4 21 port o E E E a e ar Ena 4 32 OGG CO PON cie 4 A ee ies ee e la ata COLL ad 4 3 3 4 analog output and checkweighing output 4 3 3 5 mercury leVel DUDDIC exe 2a drs cise tanto swells ne ont date deu 5 SECTION 4 KEY DESCRIPTIONS aus sea ae A ee 6 SECTION 5 DISPLAYS AH ner leeren ri es 7 SECTION 6 OPERATION ernennen alcala 8 6 1 Zer ing the display see ee le 8 8 2 TAMING O REO e ee 8 8 3 VVelghing Sample eee a tes al ad leo e 8 OA GHECK WEIghiNgr nina 8 6 4 1 about checkweighing n ss ii o l 8 6 4 2 Set A O EN eng 9 6 4 3 set check weighing mode 9 PP O AN 9 6 9 Accumulated total icons ci lr dl baaa 9 6 5 1 Mole iS ia 9 6 5 2 accumulate operates Nass 9 6 5 3 memory TE Allee A 10 8 94 IMGMONY ClO al ey se nr S EEE nn ne eee ne ns E a 10 6 5 5 automatically accumulate a ee A eee 10 9 6 animal aaa ist el Oe nro ee Se MPU a O 6 7 keyboard A Sime geseug lt faemagesammesie 10 SECTION PARAMETERS iii erkennen 11 SECTION 8
8. GS 0 222kg NT 0 222kg 1 GS 0 888kg TW 0 222Kg TOTAL 0 444kg TW 0 666kg GW 0 888kg GW 0 888kg TOTAL 0 444kg TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 NT 0 666kg GS 0 222kg NT 0 222kg 2 GS 0 888kg TW 0 222kg TOTAL 0 666kg TW 0 666kg GW 0 888kg GW 0 888kg TOTAL 0 666kg DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 3 GS 0 888kg NT 0 666kg GS 0 222kg NT O 222kg TW 0 222kg TOTAL 0 888kg TW 0 666kg GW 0 888kg GW 0 888kg TOTAL 0 888kg NO 4 NO 4 No 4 NO 4 NT 0 666kg GS 0 222kg NT 0 222kg 4 GS 0 888kg TW 0 222kg TOTAL 1 000kg TW 0 666kg GW 0 888kg GW 0 888kg TOTAL 1 000kg DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 NO 5 NO 5 NO 5 No 5 5 GS 0 888kg NT 0 666kg GS 0 222kg NT 0 222kg TW 0 222kg TOTAL 1 222kg TW 0 666kg GW 0 888kg GW 0 888kg TOTAL 1 222kg TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 NO 6 NO 6 NO 6 No 6 6 GS 0 888kg NT 0 666kg GS 0 222kg NT 0 222kg TW 0 222kg TOTAL 1 444kg TW 0 666kg GW 0 888kg GW 0 888kg TOTAL 1 444kg DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 TIME 11 11 11 7 NO 7 NO 7 NO 7 No 7 GS 0 888kg NT 0 666kg GS 0 222kg NT 0 222kg TW 0 222kg TOTAL 1 666kg TW 0 666kg GW 0 888kg GW 0 888kg TOTAL 1 666kg
9. battery will be charged If the LED is green the battery has a full charge If it is Red the battery is nearly discharged and yellow indicates the battery is being charged As the battery is used it may fail to hold a full charge If the battery life becomes unacceptable then contact your distributor 15 BW BWS CW VW serial Bench Scales user s manual SECTION 9 RS 232 OUTPUT The BW BWS CW VW Series of s can be ordered with an optional RS 232 output 9 1 basic information Specifications RS 232 output of weighing data ASCII code 7 8 data bits Parity setable Baud rate from 600bps to 9600bps Connector 9 pin d subminiature socket Pin 2 Input Pin 3 Output Pin5 Signal Ground 9 2 normal print out Data Format for normal weighing operations parts counting or recalling of totals from memory will all be different Examples follow Normal Output The number increments every time a new value is stored in memory GW for gross weight NT for net weight and a unit of weight Includes 2 line feeds A line of stars is shown Includes 1 line feed Times of the accumulation memory 0 447KG Weight of the accumulation memory kkkkkkkkkkkkkkk 9 3 continuously output protocol con1 weighing mode A a EEE HEADERI HEADER WEIGHT DATA weicHt unir TERMINATOR HEADER1 ST STABLE US UNSTABLE HEADER2 NT NET GS GROSS 16 BW BWS CW VW serial Bench Scales user s manual SECTION 10 CALIBR
10. e can be stored within the tube The BW BWS CW VW Series comes with a stainless steel platform packed separately Place the platform in the base Level the scale by adjusting the four feet The scale should be adjusted such that the bubble in the spirit level is in the center of the level and the scale is supported by all four feet If the scale rocks readjust the feet Attach the indicator module to the pillar by sliding it over the bracket with the flanges engaged in the groves on the base Attach the cable from the base to the connector on the rear of the indicator Attach the AC power adapter to the connector on the back of the indicator BW BWS CW VW serial Bench Scales user s manual 3 3 PORT CONNECT 3 3 1 port locatoin BW BWS CW VW rear side A Load cell ui A amp Analog output AC adapter AC power socket For pole neck 3 3 2 load cell port Load cell connect as below 5pin air connecter EXC SIG SHIELD 3 3 3 RS 232 RS 232 9pin D type connector 1 2 3 4 5 000090 00090 6 7 8 9 2 RXD Input Receiving data 3 TXD Output Transmission data GND Signal ground A ANUAL BW BWS CW VW serial Bench Scales user s manual 3 3 4 Analog output and checkweighing output 9 pin air connector pint pin6 checkweighing output pin 1 hi output pin 2 ok output pin 3 low output pin 4 beep output pin 5 vec 5V output pin 6 com gna
11. e date time print format lang eng set the print langrage as English chn set the print langrage as Chinese P3 CAL DECI This option is used to select the decimal Options O 0 0 0 00 0 000 Dual ON OFF INC This option is used to select the division Options 1 2 5 10 20 50 100 200 CAP This display will show xxxxxx for setting the capacity CAL Nonlin Non linearity Calibrate Liner Linearity Calibrate COUNT This display will show xxxxxx for indicating the internal counts gra Set gravity 9 000 10 000 P4 OTH LOCK Enable disable key lock 242 BW BWS CW VW serial Bench Scales user s manual ANM ON animal OFF normal mode P5 unt Lb 1b ounce Set unit when the unit is set as on then this unit could be t3 h3 active Note Tj and Hj could not be used at the same time P6 xcl External calibration P7 rst Reset the parameter back to the factory mode P8 uwb Set the Blue tooth function on or off Options on off When the blue tooth function is set as on the RS232 could not be used Form one AB 0 1 2 3 tpup tpup tpup tpup NT 0 666kg GS O 222kg NT 0 222kg GS 0 888kg TW 0 222kg TOTAL 0 222kg TW 0 666kg 0 GW 0 888kg GW 0 888kg TOTAL 0 222kg DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 DATE 04 06 06 NT 0 666kg
12. en it is correct press the ZERO key Then display will show LoAd Place the calibration weight on the scale After stable press the ZERO key Note only after the linearity calibrate has been completed the external calibrate could be set then If the problem persist then contact your dealer After calibration it should be checked to verify the calibration and linearity is correct If necessary repeat calibration especially be certain the scale is stable before accepting any weight 18 BW BWS CW VW serial Bench Scales user s manual SECTION 11 ERROR CODES ERROR CODES DESCRIPTION RESOLUTION Over range Remove weight from the If the problem persist contact your dealer for assistance Err 4 Zero Setting Error The scale was outside the normal zero setting range either when it was turned on or when the ZERO key was pressed Remove weight from the scale and try again Use the TARE key to set the display to zero value If the problem persist contact your dealer for assistance Err 6 A D out of range The values from the A D converter are outside the normal range Remove weight from the scale if overloaded make sure the pan is attached Indicates the load cell or the electronics may be faulty If the problem persist contact your dealer 19 a0 BW BWS CW VW serial Bench Scales user s manual
13. fa BW BWS CW VW serial Bench Scales user s manual Form two Su 0 1 2 3 LP 50 LP 50 LP 50 LP 50 2000 00 00 00 00 As left As left As left 0 S N 1 GW 0 888kg DATE 2000 00 00 As left As left As left 4 TIME 00 00 GW 0 888kg DATE As left As left As left 2 TIME 00 00 S NO 2 GROSS WT 0 888kg 2000 00 00 00 00 As left As left As left 3 S N 0003 GW 0 888kg 2000 00 00 00 00 As left As left As left 4 S N 4 GW 0 888kg DATE 2000 00 00 As left As left As left 5 TIME 00 00 GW 0 888kg DATE As left As left As left 6 TIME 00 00 S NO 6 GROSS WT 0 888kg 2000 00 00 00 00 As left As left As left 7 S N 7 GW 0 888kg 14 BW BWS CW VW serial Bench Scales user s manual SECTION 8 BATTERY OPERATION The Bench Scales can be operated from the battery if desired The battery life is approximately 70 hours When the battery needs charging a symbol on the weight display will turn on The battery should be charged when the symbol is on The scale will still operate for about 10 hours after which it will automatically switch off to protect the battery To charge the battery simply plug into the mains power The scale does not need to be turned on The battery should be charged for 12 hours for full capacity Just under the quantity display is an LED to indicate the status of battery charging When the scale is plugged into the mains power the internal
14. he zero values 6 5 Accumulated Total 6 5 1 Note The scale can be set to accumulate manually by pressing the M key See the PARAMETERS Section for details of selecting the method using function P2 com Please note before every accumulate operate scale need return to zero and only press M key when stable when weight less than 20d accumulate operate will be invalid 6 5 2 Accumulate operate The weight displayed will be stored in memory when the M key is pressed and the weight is stable The display will show Acc 1 and then the total in memory for 2 seconds before returning to normal after do accumulate operate M indicator will turn on If the optional RS 232 interface is installed the weight will be output to a printer or PC Remove the weight allowing the scale to return to zero and put a second weight on Press the M key the display will show Acc 2 and then the new total 9 BW BWS CW VW serial Bench Scales user s manual Continue until all weights have been added 6 5 3 memory recall To view the totals in memory press MR key 6 5 4 memory clear To clear the memory just press M and MR together 6 5 5 automatically accumulate Press Print key during selfchecking enter setting mode press Tare key until display show P32COM press ZERO key to enter press TARE key to select mode press ZERO key to s
15. his key used to move active digits right M Accumulate key store current weight in memory In setting mode this key used to move active digits left Press M and MR key for MC memory clear Print To print the results to a PC or printer using the optional RS 232 interface Press Print during selfchecking will enter setting mode G N Gross weight net weight shift key Hold this key for 3 seconds to shift the unit Secondary function ESC is to return to normal operation when the is in a parameter setting mode Press G N and Print key together for setting check Weighing limit BW BWS CW VW serial Bench Scales user s manual SECTION 5 DISPLAYS The LCD display will show a value and a unit to the right of the digits In addition there are labels for TARE GROSS weight Zero and for Low battery Battery low Ba KD AD gt me I II TL tT SIT NY O SK EN XX EN x kb OT Weighing unit Check Weighing BW BWS CW VW serial Bench Scales user s manual SECTION 6 OPERATION 6 1 Zeroing The Display You can press the ZERO key at any time to set the zero point from which all other weighing and counting is measured within 4 of power up zero This will usually only be necessary when the platform is empty When the zero point is obtained the display will show the indicator for
16. lashing digit then use the key to begin key to set the low limit or press the the next digit and set it as needed When all digits have been set press the key to set a limit use the M MR keys to change the TARE key to increment the flashing digit Continue to ZERO key to store the value The display will go back to the parameter just set i e Set Lo Advance to another parameter if needed or press the G N Parameter setting table key to return to weighing functio n Sub function describe PO CHK SET H Set high limit press M MR TARE to change value press press ZERO key to sure key to move active digit press PRINT key to clear data SET LO Set high limit press M MR TARE to change value press press ZERO key to sure key to move active digit press PRINT key to clear data BEEP Set beep mode no no beep for check Weighing OK beep when weight between hi and low Ok ng beep when weight out of hi low range NG P1 REF AZN 0 This option is used to select the auto zero tracking range Options 0 5d 1d 2d 4d OAUTO This option is used to select the auto zero range when turn the indicator Options 2 0 2 5 10 20 50 100 ORAGE This option is used to select the manual zero range whe
17. n press the ZERO key Options 0 2 4 10 20 50 100 Te BW BWS CW VW serial Bench Scales user s manual O TARE This option is used to set whether Bench Scales will do auto zero tracking in net mode after do tare operate net weight is zero Options ON OFF SPEED Set the ADC speed 7 5 15 30 60 times second ZERO Set new zero point after set this value when in zero point the reading will be xxx xxx P2 COM MODE This option is used to set RS 232 communication mode Options CONT continuously send ST1 send one frame data after stable STC send data continuously when stable PR1 when press print key send one frame data printer mode PR2 when press M key do print data and M at the same time AUTO auto accumulate auto print mode when weight stable and then return to zero indicator will do accumulate and print operate automatically ASK ask mode bi direction Command R read data Command T tare Command Z zero Wireless wireless mode Note if you have selected the wireless model the communication mode has to be set to wireless BAUD This option is used to set baud rate Options 600 1200 2400 4800 9600 pr This option is used to set parity verify Optional 7E1 701 8N1 ptype tpup set the printer as tpup model 1p 50 set the printer as LP 50 model lab Lab x set gross acc print format prt prt set th
18. ter 9V 800mA AC powered 115V 230V Calibration Automatic External Display 5 digits LCD display with 52mm high digits attached LED backlight Balance Housing Indicator ABS Plastic Load cell drive voltage Max 5V 150mA Load cells Up to four 350 ohms cells BW BWS CW VW serial Bench Scales user s manual SECTION 3 INSTALLATION 3 1 GENERAL INSTALLATION The s should be sited in a location that will not degrade the accuracy Avoid extremes of temperature Do not place in direct sunlight or near air conditioning vents Avoid unsuitable tables The tables or floor must be rigid and not vibrate Do not place near vibrating machinery Avoid unstable power sources Do not use near large users of electricity such as welding equipment or large motors Avoid high humidity that might cause condensation Avoid direct contact with water Do not spray or immerse the s in water Avoid air movement such as from fans or opening doors Do not place near open windows Keep the s clean Do not stack material on the s when they are not in use 3 2 INSTALLATION OF BW BWS CW VW SERIES The pillar is attached to the base using a bracket that must first be attached to the base frame using the 4 bolts supplied The Pillar is secured to the bracket using 2 set screws The cable from the base to the indicator module is run through the tube out through the plastic support at the top Excess cabl
19. ure display will show current RS 232 mode press TARE key to select Auto After you set AUTO indicator on Press weight on platform after stable you will hear beep on twice you can add or remote weight now scale will beep on again after stable at last remove all weight on platform the last weight value will store in memory 6 6 Animal weighing Let the animal on the platform after some second if reading data change not a lot you can hear beep sound and reading data will be locked In reading data lock mode if you add remove big weight display will still update and lock new reading data You can press ZERO TARE together to enter escape animal weighing mode 6 7 Keyboard lock You can use keyboard lock when this function enable see detail setting process in section 7 after keyboard haven t use for 10 minutes keyboard will be lock after enter lock status if you press any key display will show K LCk If you want to escape lock mode and return work mode hold PRINT MR ZERO key 2 seconds display will show ULCK return normal mode 6 8 set backlight Hold ZERO key 3 second display will show setb1 press ZERO key to enter backlight setting press TARE key to change backlight mode BL ON always on BL AU auto backlight backlight will on when press any 6 9 set auto power off Hold ZERO key 3 second display will show
20. zero The scale has an automatic rezeroing function to account for minor drifting or accumulation of material on the platform However you may need to press the ZERO key to rezero the scale if small amounts of weight are shown when the platform is empty 6 2 Taring Zero the scale by pressing the ZERO key if necessary The zero indicator will be on Place a container on the platform a value for its weight will be displayed Press the TARE key to tare the scale The weight that was displayed is stored as the tare value and that value is subtracted from the display leaving zero on the display The NET indicator will be on As product is added only the weight of the product will be shown The scale could be tared a second time if another type of product was to be added to the first one Again only the weight that is added after taring will be displayed When the container is removed a negative value will be shown If the scale was tared just before removing the container this value is the gross weight of the container plus all product that was removed The zero indicator will also be on because the platform is back to the same condition it was when the ZERO key was last pressed 6 3 Weighing a sample To determine the weight of a sample first tare the empty container then place the sample in the container the display will show the weight and the units of weight currently in use 6 4 Check Weighing 6 4 1 About check

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