BBA-Series
Contents
1. Cc D E Fu ls NE 14 vo Mp ab iB 2 A dz ca s r if nud 1 y aer ont Y R12 R os SVAO 5V 6v0 IN out 3 sva cn cs Sas 2 2 a zaourtev 10U 25V_ 104 7 Y Y Y 2 1 rA Document Number ev SR005 BBA02 A si ta 2000 B Z T a T n A I O I I D I aoe c9 f 0 01 100V_ T n A us s amp 3 ANT AIND ANE Y see c1 Ana He VREF vrer Hi E co ee O l w DGND H S72 e Ao vo His oomoo o inov cu e sap 104 2 soo ESE Y Pa osos scu Ft Y sosa T spat U17 LM2951 5V 5VA cs 1 2 ev 5 OFFOUT i a ow ot on 6 10U 25V_ 10U 25V 6y o l 7 4 d Y SONS S sa 4 TERDER 6 p Y 10 2 ses Y 1 1 vo 5 H o 3 H I ls f CONS 13 vo 027 2 or Bis BsesertNurber A SRO05 BBA02 e Wedne 14 2002 T of a I 10 Troubleshooting Trouble Possible Causes Corrective Active No display on the display unit Faulty AC adapter Faulty main board assembly gt Replace the AC adapter gt Replace the main board assembly There are missing figures marks on the display unit Faulty main board assem2. 3 and press the F key and press the key 3 times the setup to be done Baud rate Ex bre400 br 9600 While turn on press the U key The window display AL u keyana F F F F EJ br 3500 You can press the key what you want and press the key and press the key 3 times the setup to be done Pa r co Press the Calibration 1 While turn on press the key The window display 2 Thenpress the key The sum of 10000 40000 will display If the number 25555 displayed is not within this rang initial zero setting adjustment is needed Remove the rubber stopper to access the switch and adjust When the display is stable 25555 press the key to obtain the zero balance Place the calibration weight on the pan When the display is stable press the key to cycled through a List of permissible weight When the weight on pan is displayed press the key again Remove the calibration weight from the pan and press key Now the balance can be weigh 600 Outline descriptions AC Adaptor Port On Off Switch Zero Trimmer remove stopper Weighing Pan Function Numeric Display Function keys ant On Off Switch e 9 8 Turns balance On or Off Captures a new center of zero Reduce gross weight on pan as tare weight For selecting various units of weight For parts counting and percentage weighing Display total weight quantity or percentage Pri
3. Schematic us 5yD m av 9 vwvH eT 2 c lcis e Coso a m 5 HEADER 5 Pl o 33 ur Y Y o1 H 2 2 4 LOBAT go 4 Sos 1N4148 89 HEADER 11 2 RPI RESISTOR SIP 5 2 al LAS ERES gue poo 38 ES DH Tus z POA KS2 xa po2 Pa RS KS3 E p a maj F 18x2 pos 4 Sct M Pos Hiii F poz 32 z SCK RESET ER P20 SDATA P21 SDATA ASLEEP FOER INTO P22 pens ORDY a LOBAT itt pza HA SCLK us BL To P24 RFS eke T res Es Hes v E ki pas Z 248K NC lt 3 KI Rr P P27 Di Nc Ee bi K2 SR pt ek 4100 vi ct 13 4 pz RD ka LA pa wr Hin Pa 346 pia Pia sen PR E ES 1 pis aep HA op Busy PIS mxo Hi o RD HEADERS CD PAT RXD E O Document Number SR904D BBA PS RIE Be T a z I z I z T z Ta T ngaddddddtd 27 HEADER 25 Service Manual Size J Document Number SR904D BBA iz q Saturday July 01 zas Ernest of 2 O BOS O DO E O O 0O O O CO O OY O O O O Ue HO 1 O 20 0 20 FO O 75h 10 O 10 0 10 Schematic
4. bly gt Replace the main board assembly gt Check LCD soldering well Zero drift or span driftis excessive Itis exposed to direct sunlight or located close to air conditioner or heater gt Change the installation site Poor repeatability of measured values Large fluctuation of the displayed values Key inputis not possible Effect of wind and vibration L C is touching something Dirt or dust is adhered L C Faulty main board assembly Poor connection of key lug Main board assembly is damage gt Change the installation site gt Adjust the wire lead assembly gt Remove the attached dirt or dust gt Replace the main board assembly gt Make key lug connection well gt Replace the main board assembly Is displayed Weighing range exceed gt Unload scale or reduce preload Is displayed Weighing pan not in place Weighing range zero below Contact between weighing gt Ensure the weighing pan is correctly installed and surrounding parts are not touching gt Set scale to zero gt Apply pre load Is displayed Zeroing outside the zero setting range gt Ensure that zeroing is performed in the admissible range 20 of Cap You have purchased a quality precision weighing instrument that requires handling with care Read entire contents of this Operation Manual prior to operating your new instrument Disclaimer Notice Calibrate y
5. is intended for indoor use Select a suitable work area Work area should be relatively free from drafts and vibrations Work surface should be level and rigid Do not locate near magnetic materials or equipment instruments which use magnets in their design Avoid areas which have variations in room temperatures or have excessive room temperatures Room temperatures above 40 or 15 lt could affect instrument operation and accuracy Installation Remove balance and accessories from the carton Save packing material for transportation purposes If using the AC adapter insert power cord into the receptacle located on the side panel of the balance behind On Off switch Firmly push in the plug Allow the balance to warm up for 30 minutes prior to use Your balance features a numeric display that continuously shows your weighing results RS232C Specifications amp connections A Specification Baud rate 2400 9600 Parity none Data bit 8 Stop bit 1 Data Stream LSB MSB A A Start bit Stop bit RS232C Format no 123 45 6 7 8 9 10 SP X X X X X X X CR LF Connections DB 09 Male pinno 2 5 others TXD GND NC Programme 5 Print out Mode Ex OFF Pe i Manual print Auto print Continuously While turn on press the key The window display Press the U key and CF F F F Pr You can press the key what you want 0
6. nt out Operation Your new balance weighs in different units and can perform parts counting and percent of weight functions A Taring Zeroing All models have taring zeroing capabilities up to their total weight capacity To weigh a sample in it s container with the display showing the weight of the sample use the following Zero tare procedure 1 Place sample container on pan and then press the ESE 2 Now place sample in it s container 3 When the balance is stable the display shows the weight of the sample B Counting Function 1 Count the desired amount sample pieces 10 20 50 100 or 200 total pieces and place on the pan 2 Press the to display total count numbers of 10 20 50 100 or 200 This number will cycle press the again to select sample size once it is displayed The arrow at the bottom of the display will point to amp 3 You are now ready to perform parts counting of those specific pieces Press the F for the total weight Repeat step 1 through 3 for each type of piece to be counted C Percentage Function 1 Count the desired sample pieces and place on the pan press the 2 When the display shows 100 0 with the arrow icon selecting the 3 Press the a i you want to know total weight press the F Programme Press and hold key while powering ON The window display R Press U key repeatedly to cycle through different weigh modes available Press F key fo
7. our instrument using reference weights of the appropriate tolerance class An instrument can be no more accurate than the standard to which it has been compared For assistance in the selection of reference weights please contact the factory Caution Changes or modifications not expressly approved by the manufacturer could void the user s authority to operate this equipment Introduction Thank you for choosing one of our instruments Your instrument is designed and manufactured to the most rigorous standards in order to give you years of service First check the contents of the shipping carton You should find the following Manual Instrument AC Adapter Next follow the instructions for installing your instrument Now you are ready to begin using your instrument To take advantage of its many features carefully read your operating manual It contains step by step procedures examples and other vital information Warning Use of this product in a manner not specified by the manufacturer may impair any safety protection provided by the equipment Specifications Model BBA 600 BBA 1200 Range 600g 1200g Readability 0 01g 0 02g Linearity 0 01g 0 02g Pan size 4120 6120 Permissible 200g 500g Calibration 400g 1000g Weights 600g 1200g Common Specifications Net Weight Electrical Requirements Unit dimensions L x W x H 213 x 193 x 66mm 1 9 kg 9V 500mA AC adapter included Preparation This product
8. r parameter selecting when desired mode appears Press key for setting and goes to next step The programme sequence as follows 1 Re set weighing unit Ej Grams EJ Pennyweight al Taiwan Tael A Ounces A Carats m Hong Kohg Tael pa Troy Ounces Ea Grains E Singapore Tael U S Europe Only There are various units for your selectable If you want to change other unit press u key when desired units appears press the F key and press the key 3 times the setup to be done 1d 2 4 2 Auto Zero ce A0 oo While turn on press the uU key The window display AL Press the u key and F R D You can press the u key what you want 0d 1d 2d and press the F key and press the key 3 times the setup to be done 3 Sleep Mode Ex OFF RaFF iN 5 Minutes after 10 Minutes after 20 Minutes after 30 Minutes after While turn on press the key The window display Press the u key and LF s You can press the u key what you want 0 4 and press the F key and press the key 3 times the setup to be done You are now ready to weigh in the selected mode 4 Backlighting Mode Ex OFF bL 1 Active bt l Auto lighting while loading While turn on press the U key The window display Press the u key and F CF CF bL o You can press the U wnat you want 0 2 and press the F key and press the key 3 times the setup to be done
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