DWP-PC SERIES PRICE COMPUTING SCALE User’s Guide PLEASE READ THIS MANUAL VERY CAREFULLY BEFORE ATTEMPT TO OPERATE THE INSTRUMENT Specifications subject to change without prior notice
CONTENTS 1. INSTALLATION 2. SPECIFICATIONS 3. KEYS, DISPLAY AND CONNECTIONS 4. GETTING STARTED 5. INITIAL SETUP 6. INSTRUCTION FOR USE 7. RS232 DATA OUTPUT 8. BATTERY POWER AND RECHARGING 9. ERROR CODES 10.
1. INSTALLATION Because of metrological legislation, installation/some metrological parameter settings are limited to be done by authorized personnel only. Do not attempt to change any of the built-in metrological parameters. Contact your dealer for more information and technical assistance. To ensure performance accuracy, do not use the instrument in where or when the environment condition falls beyond as those listed on SPECIFICATIONS.
2. SPECIFICATIONS 2.1 GENERAL SPECIFICATIONS DWP-PC Series(resolution 1:6000; unit : lb, kg,g) Model# DWP-30PC DWP-60PC Max 30lb 60lb Capacity Readability 0.005lb 0.01lb Common Specification Stabilisation time Operating temperature Power supply Display Zero range Housing ADC External Resolution Interface 2 second typical 5°C - 35°C AC 110V 60Hz built-in rechargeable battery 6V4AH. 3 windows 6 digits 0.8’LCD display.
3. KEYS, DISPLAY AND CONNECTIONS 1. CH KEY Press this key to change status . Payment is entered by numeric keys. 2. WEIGHT UNIT KEY Press this key to shift among various weight units. 3. STORE KEY Press this key to store the unit price (200 unit price can be stored by press 0-9 numeric keys.) 4. TARE KEY Press this key to tare off the weight of a container. Press this key to enter parameter when scale self-checking after power on 5.
8. ZERO KEY Press this key to set weight displayed to zero when an empty scale has drifted away from a true zero reading. 9. CE KEY Press this key to clear value entered. 10. NUMERIC KEYS Numeric keys 0 ~ 9 and decimal key. There are three windows on front panel and rear panel Weight Panel ; Unit Price Panel ;Total Price Panel They are LCD display of three windows with 0.8’LCD display.
11. BATTERY POWER / LEVEL INDICATOR This indicator appears to show: The instrument is running on the built-in rechargeable battery, It shows the remaining battery level. 12. SPARE No assignment. 13. ZERO INDICATOR Visible when instrument at true zero weight status. 14. NET INDICATOR Visible when tare function is in effect. The weight being shown on Weight Panel is net weight. 15. STABLE INDICATOR Visible when weight reading is stable. 16. WEIGHT UNIT INDICATOR kg = kilogram, g = gram, lb = pound 17.
C. TOTAL PRICE PANEL Quantity value is shown here. D. BUBBLE LEVEL Refer to this bubble to obtain a horizontal position for the instrument. E. CHARGE STATUS INDICATOR Red = Recharging battery; Green = Charging completed. F. ON/OFF KEY Press this key to turn the instrument on or off. G. DC JACK INPUT External power adaptor is plugged in here. H. RS232 COMPORT 9 pin (DB9) RS232 interface output for connection with computer and other peripherals.
4. GETTING STARTED In order to obtain accurate weighing and total price result, the instrument must be placed on a strong and level surface horizontally. Avoid using the instrument in environment where excessive wind flow, vibration and extreme temperature change exist. The instrument should be installed from any sources of excessive electrical noise. General warning: The instrument is not an explosion proof device. The instrument is not a water proof device.
5. INITIAL SETUP 5.1 INTERNAL SETTINGS Preferred application parameters can be checked or set through internal functions. Refer to 5.4 for internal function description and setting procedures. 5.2 HOW TO ENTER AND SELECT INTERNAL FUNCTION Follow the below steps to enter and select desired parameter of an internal function. a. Turn the instrument off and on again, b. Press [TARE] during self-checking, c. The instrument displays F1, d. The instrument is now in internal function, 5.
6. INSTRUCTION FOR USE 6.1 POWER ON Powered on the instrument, instrument displays: a. software and revision number and capacity of instrument, b. calibration count value, c. parameter set count value, d. all LCD segments, Then countdown process starts. After that, the instrument is ready for operation. 6.2 START WEIGHING a. If zero weight cannot be obtained when unloaded, press [ZERO]. After [ZERO] is pressed, Zero Indicator appears. Refer to SPECIFICATIONS for maximum zero range, b.
Tare function is used to temporarily set the instrument to zero (such as cancelling the weight of a box or a container) in order to get the net weight result How to use function of the printer Place the weight on the scale, and then key in the price per lb(example $99), then hit the PRINT button once the DATE, TIME, NO.
6.4.2 Manual Tare 2 When a container is used, follow the below steps to tare the weight of the container off to get a net weight result. a. Remove all loads from platter, b. Make sure that the Zero Indicator is on. If not, press [ZERO] to set weight reading to zero, c. Place container on platter, d. Press [TARE], e. Net Indicator appears to indicate tare is in effect and weight reading is net weight. Refer to SPECIFICATIONS for maximum tare range, f.
a. Refer to 6.2 and 6.4 for zero, selecting preferred weight unit and tare operation, b. Enter the unit price per quantity ,Press [QTY], now the unit price is display on the Weight Panel c. Enter the quantity of the sample through the numeric keypad .It will display on the Unit Price Panel d. And now the Total amount is displayed on the Amount Panel. e. Press [QTY] ,back to price computing by weight status 6.6 Change paid back a. Press [CH], Total amount will be display on Weight Panel b.
b. The instrument: displays “ACC” on Weight Panel. ACC denotes data has been accumulated to memory, displays “n” on Unit Price Panel. n donates the number of transactions which have been accumulated to memory. Displays total accumulated value on Amount Panel 6 output transaction printout(s) through the RS232 comport. The instrument returns to normal operation status after 2 seconds, 7 c. Repeat a for subsequent transactions , 6.7.2 Memory Clearance a. Remove all loads from platter, b. Follow 6.
transmission. Baud rate has to be set before proceeding to other settings. 7.1 PC (COMPUTER) MODE Weight status and data are sent under the PC (Computer) Mode). Data is transmitted in ASCII code. Data format is listed on below table. DATA BIT 1~2 DESCRIPTION MOTION STATUS US = UNSTABLE ST = STABLE 3 COMMA SEPARATION 4~5 NET/GROSS NT = NET WEIGHT GS = GROSS WEIGHT 6 7~13 SIGN (Sign of weight reading) Positive = space.
7.2 PRT (PRINTER) MODE 7.2.1 Printing Current Transaction A standard printout as will be sent through the RS232 Comport when 9 [PRINT] is pressed. Refer to Standard Printout Sample on next page for description. Number of copies sent = the number of copy set in internal function F8. Refer to 5 INITIAL SETUP for more information. If extra copies are needed, press [PRINT] again. 7.2.2 Printing the Totalized Accumulated Result Refer to Totalized Accumulated Printout Sample on next page for description.
Standard Printout Sample DATE TIME 07.08.2010 12:08:57 No. TARE GROSS NET PRICE. /100g TOTAL 1 0.1kg 0.242kg 0.142kg 30.00 No. Q’ty Pcs PRICE /PCS TOTAL 2 20 PAYMENT CHANGE 10 Description 42.60 22.22 444.40 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Date of printing, Time of printing, 10 M+ sequent number Tare Weight, Gross Weight, Net weight, Unit price Weight unit(price accordingly) Amount for this item, Total quantity (price accordingly) 11. Payment (total amount customer pay) 12.
8. BATTERY POWER AND RECHARGING Remaining battery power of the built-in rechargeable battery is displayed on the Battery Power / Level Indicator. 8.1 SYMBOLS AND REMAINING POWER: Full Battery: ≥ 6.3V 2 Blocks: ≥6.0V 1Block: ≥5.7V Frame only: ＜5.7V 8.2 BATTERY OPERATION TIME Depends on the battery condition, a fully charge new rechargeable battery will usually give: Around 200 hours of continuous operation without backlight, or Around 70 hours of continuous operation with backlight on 8.
9. ERROR CODES Error Code No.
10. DAILY CARE AND MAINTENANCE Clean the instrument with a soft, damp cloth. If necessary, use a mild detergent in water, Do not use any harsh, abrasive material, acetone, volatile solvent, thinner or alcohol for cleaning, Verify the accuracy of this unit periodically. Re-calibrate this unit if necessary. In some countries, calibration requires authorized / qualified agent.
Calibration Turn on the scale and press/hold the tare key for 4 sec then Let go and it will display F1, with the “Print” button go to F10 Cal Press “Tare “ to enter ,show “P----”; the initial pass ward is 1234 . (“Alarm” for next parameter; ”Print” for last parameter ) Press “Tare “ to enter to “P1 Cap” (capacity : 3kg,5kg,6kg,10kg,15kg,20kg,30kg) “”P2 Inc” (1,2) “P3 Zero track ” (off, 0.25, 0.5, 1, 1.5 , 2.
