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Operation Manual
AW20
Weighing Scale
A1

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Summary of Contents for T Scale AW20

  • Page 1 Operation Manual AW20 Weighing Scale...
  • Page 3: Table Of Contents

    AW20 Series Weighing Scale Operation Manual CONTENTS 1. PRECAUTIONS......................- 1 - 2. PRODUCT DESCRIPTION....................- 3 - 2.1 General......................- 3 - 2.2 Over View......................- 4 - 2.3 Interfaces......................- 5 - 3. INSTALLATION......................- 6 - 3.1 Unpacking......................- 6 - 3.2 Installation......................- 6 -...
  • Page 4 AW20 Series Weighing Scale Operation Manual 5.12 Tolerance checking..................- 33 - 5.12.1 Beep Mode..................- 33 - 5.12.2 Limits setting for target weight............- 34 - 5.12.3 Limits setting for target quantity............- 35 - 5.12.4 Limits setting for target percentage..........- 36 - 5.12.5 Tolerance Checking Mode..............- 37 -...
  • Page 6: Precautions

    AW20 Series Weighing Scale Operation Manual 1. PRECAUTIONS WARNING DISCONNECT ALL POWER TO THIS UNIT BEFORE INSTALLING, CLEANING, OR SERVICING. FAILURE TO DO SO COULD RESULT IN BODILY HARM OR DAMAGE THE UNIT. CAUTION  Permit only qualified persons to service the instrument ...
  • Page 7 AW20 Series Weighing Scale Operation Manual SAFTEY INSTRUCTION The weighing scale is a precision electronic instrument, handle it carefully. The device must only be operated by personnel trained in the operation of this equipment. The operating personnel must read and understand the safety instructions in these operating instructions.
  • Page 8: Product Description

    AW20 Series Weighing Scale Operation Manual 2. PRODUCT DESCRIPTION 2.1 General The AW20 Series weighing scale include full-fledged features, interfaces,it can be developed to meet the Industrial applications. Major Features  4.3” color display with graphic interface  Multi-user permission management ...
  • Page 9: Over View

    AW20 Series Weighing Scale Operation Manual 2.2 Over View - 4 -...
  • Page 10: Interfaces

    2. 4.3” LCD display 3. Keyboard 4. Level bubble 5. Adjustable leveling feet 6. AC adapter jack 2.3 Interfaces AW20 Series is equipped with 1xRJ45, 1xUSB2.0,and 1 x RS232 interface Interface Description RJ45 Support 10M/100M Ethernet USB2.0 For USB disk/ scanner /data transfer,don’t use for charging other device...
  • Page 11: Installation

    AW20 Series Weighing Scale Operation Manual 3. INSTALLATION 3.1 Unpacking When you receive the scale, inspect it to make sure that it is not damaged and that all are parts are included:  Remove the scale from the carton.  Remove the protective covering. Store the packaging and to use if you need to transport the scale later.
  • Page 12: Power Connection

    AW20 Series Weighing Scale Operation Manual 3.4 Power Connection  Connect the adaptor pin in to the indicator adaptor jack.  Adaptor jack is locating bottom of the scale. AC Adapter Jack  Adaptor connects into your AC power socket. Plugable equipment must be installed near an easily accessible socket outlet with a protective ground/ earth contact.
  • Page 13 AW20 Series Weighing Scale Operation Manual 4 Disconnect the lithium battery connector (4). 5 Replace the new lithium battery and connect the battery connector. 6 Put the foam next to the battery and close the battery cover - 8 -...
  • Page 14: Display&Keys Funtion

    AW20 Series Weighing Scale Operation Manual 4. DISPLAY&KEYS FUNTION 4.1 Key Board Icon Name Description  Press the key to turn the scale on On/OFF key  Long press to turn the scale off  Used to print weighing data in normal weighing mode Print key ...
  • Page 15 AW20 Series Weighing Scale Operation Manual Numeric and  Input number in weighing mode alphabetic keys  Input numeric and alphabet in parameters and PLU setting Decimal point key  Used to input decimal point  Used to clear selected products and numeric keys Clear key ...
  • Page 16: Indication Description

    AW20 Series Weighing Scale Operation Manual 4.2 Indication Description 1 Measurement information 2 Weight display 3 Product Information display 4 Range Circle Display Bar Icon Name Description Stable indicator Indicates the scale weight is stable. Zero indicator Indicates the scale is at zero.
  • Page 17 AW20 Series Weighing Scale Operation Manual Total Displays accumulated total weight Range Display Bar Displays the range of capacity - 12 -...
  • Page 18: Operation

    AW20 Series Weighing Scale Operation Manual 5. OPERATION 5.1 Power On/Off Press key to switch power-up, it will be heard “beep” sound ,the scale show company logo, and come to normal weighing mode. Hold key 1.5 seconds to switch off the scale.
  • Page 19: Zero Setting

    AW20 Series Weighing Scale Operation Manual 5.3 Zero Setting Zero setting allows to do by pressing key, only it’s possible when the load receptor is not in motion. 5.4 Tare 5.4.1 Semi-automatic tare The indicator is provided with a semi-automatic subtractive tare.
  • Page 20: Pre-Set Tare

    AW20 Series Weighing Scale Operation Manual 5.4.3 Pre-set tare 5.4.3.1 Store Pre-set Tare Direct pre-set tare: Hold T key ( )2 seconds in normal Weighing mode,the digits in Tare window will be active. Using numeric keys to input the tare value.
  • Page 21 AW20 Series Weighing Scale Operation Manual 5.4.3.2 Recall Pre-set Tare Recall indirect pre-tare 1 Select a Weight PLU configured with pre-tare value from Indirect PLU list . 2 Display will be show selected product name & number &pre-tare value .
  • Page 22: Weighing Operation

    AW20 Series Weighing Scale Operation Manual 3 Place the item on the pan and wait to get weight stable,display show net weight. 4 Remove item from the pan ,the net window show negative value. 5 Press key to clear tare value.
  • Page 23: Weighing Units Conversion

    AW20 Series Weighing Scale Operation Manual 5.6 Weighing Units Conversion By pressing key in turn in normal weighing mode,it can convert the weighing units (kg/g/lb/oz/tj/hj),the relative units symbol will turn on in the display. To enable the weighing units, please see parameter 2.ADVANCED SETTINGS >1.DISPLAY UNIT Press key to enter setup menu.
  • Page 24: Plu Information Store And Recall

    AW20 Series Weighing Scale Operation Manual 5.7 PLU Information Store and Recall It allows for searching Product names by pressing Direct PLU M1~M8 or by using key. 5.7.1 Store Indirect PLU information please refer to setup menu > 2.PRODUCT INFO > 2.ADD/EDIT PRODUCT...
  • Page 25: Recall Indirect Plu

    AW20 Series Weighing Scale Operation Manual 5.7.2 Recall indirect PLU Press key to recall the indirect PLU information in normal weighing mode. It will be asked to input PLU number Using numeric number keys on the keypad to input PLU number to select products.
  • Page 26: Recall Direct Plu

    AW20 Series Weighing Scale Operation Manual 5.7.4 Recall direct PLU In normal weighing mode,press M key (selected from )to recall direct PLU. - 21 -...
  • Page 27: Parts Counting

    AW20 Series Weighing Scale Operation Manual 5.8 Parts Counting Weigh a sample to calculate the unit weight to determine the average weight of items to count, put a known number of pieces on the scale . The balance of the total weight divided by the number of samples and displays the unit weight.
  • Page 28 AW20 Series Weighing Scale Operation Manual  The average piece weight of item will be calculated and then the number of items displayed in count window.  Add the rest of items on the platter, weight and number of items will be increased.
  • Page 29 AW20 Series Weighing Scale Operation Manual  Press and hold key to confirm when scale stable.  The digits in the sample window will be active.  Using numeric keys to input the count number,eg:10  Press key to confirm, display show dotted line.
  • Page 30: To Input The Known Average Piece Weight Of Item

    AW20 Series Weighing Scale Operation Manual  Remove the items,the average piece weight will remain stored in memory for the next counting of similar pieces.  To execute a new reference operation repeat the operations as described .  Press and hold key to back to normal weighing mode.
  • Page 31: Automatic Part Weight Updates

    AW20 Series Weighing Scale Operation Manual  Add new items on the platter, weight and number of items will be displayed.  To execute a new reference operation repeat the operations as described .  Press and hold key to back to normal weighing mode.
  • Page 32 AW20 Series Weighing Scale Operation Manual  Remove the weight, and ensure display is zero.  Place 1.17kg weight on the platform, display will be show 248.9 % as per the percentage of 0.47kg (100%).  Place 0.210kg weight on the platform, display will be show 44.7 % as per the percentage of 0.470kg (100%).
  • Page 33: Accumulation

    AW20 Series Weighing Scale Operation Manual 5.10 Accumulation The scale can be set to accumulate manually by pressing key. Only the total counts will be saved in memory. Before operation scale should be stable and return to zero, accumulation available only when weight more than 20d 5.10.1 Manual Accumulation...
  • Page 34 AW20 Series Weighing Scale Operation Manual 5.10.2 Auto Load Accumulation To enable the auto-load accumulation ,please refer to parameters 2. ADVANCED SETTINGS >7.ACCUMULATION MODE > AUTO-LOAD 1 Place the load on the platform,the weight display will be show the net weight.
  • Page 35 AW20 Series Weighing Scale Operation Manual 5.10.4 Accumulation Recall 1 In the normal weighing mode,when the load weight is less than 20d. 2 Press key ,the accumulation records will be show. 3 Press key or key to scroll up or scroll down to view the records.
  • Page 36 AW20 Series Weighing Scale Operation Manual 5.10.6 Accumulation and Printing If connected with printer, the data will be print out in accumulation mode, see parameters 2. ADVANCED SETTINGS >7.ACCUMULATION >3. PRINT EVERY RECORD >YES MANUAL Load the weight ,after stable indicator on,press...
  • Page 37: Printing

    AW20 Series Weighing Scale Operation Manual 3 When switching between products, the total is automatically cleared. 4 Press key to view the records,only show the same product accumulation records in different operation mode. 5.10.9 Accumulation for Different Product see parameters 2. ADVANCED SETTINGS >7.ACCUMULATION >2.ALLOW ALL PRODUCTS > YES 1 Select a PLU from the direct PLU list or Indirect PLU list.
  • Page 38: Receipt Printing

    AW20 Series Weighing Scale Operation Manual  Press key to print out the data. 5.11.2 Receipt Printing It allows for printing the weighing records to receipt printer.To enable the function, please refer to setup menu 2.ADVANCED SETTINGS > 7.ACCUMULATION >1. ACCUMULATION MODE >MANUAL 5.INTERFACE >1.SERIAL >1.TYPE >RS232...
  • Page 39: Limits Setting For Target Weight

    AW20 Series Weighing Scale Operation Manual Target quantity/target weight/target percentage below minimum tolerance limit Target quantity/target weight/target percentage within tolerance range Target quantity/target weight/target percentage exceeds maximum tolerance limit 5.12.2 Limits setting for target weight Press and hold key to enter limits setting in Normal weighing mode.
  • Page 40: Limits Setting For Target Quantity

    AW20 Series Weighing Scale Operation Manual Press key to confirm when entered the upper limits with numeric keys. Limits setting completed,Load the weight on platter,the check weighing control will start . To disable the check weighing function,enter zero in both limits.
  • Page 41: Limits Setting For Target Percentage

    AW20 Series Weighing Scale Operation Manual Limits setting completed,Load the weight on platter,the check counting control will start . To disable the check counting function,enter zero in both limits. 5.12.4 Limits setting for target percentage Press key to enter percentage weighing in normal weighing mode.
  • Page 42: Tolerance Checking Mode

    AW20 Series Weighing Scale Operation Manual Limits setting completed,Load the weight on platter,the check percentage weighing control will start . To disable the check percentage weighing function,enter zero in both limits. Notes  Check weighing available only when weight more than 20d ...
  • Page 43: Backlight Setting

    AW20 Series Weighing Scale Operation Manual 5.13 Backlight Setting It allows for setting backlight for the scale, To enable the function, please refer to setup menu. Operation: Press key to enter setup menu. Press key to enter to system settings.
  • Page 44: Auto Power Off

    AW20 Series Weighing Scale Operation Manual 5.14 Auto Power Off When the auto power-off time is enabled, the scale will automatically turn off when there has been no load on the platform and the scale is stable at zero position for a specified period of time in minutes.
  • Page 45: Animal Weighing

    AW20 Series Weighing Scale Operation Manual 5.15 Animal Weighing Use this mode to weigh moving items. Operation: Press key to enter setup menu. 2 Press key to select ADVANCED SETTINGS. 3 Press key to enter settings. 4 Press key until select 4. WEIGHING MODE sub menu.
  • Page 46: Peak Hold

    AW20 Series Weighing Scale Operation Manual 10 The Animal indicator will appear in the upper side of the weight display. 11 Place item to be weighed on the scale platform. Once the stable indicator appears with a beep sound, the final weight will be shown on the display.
  • Page 47 AW20 Series Weighing Scale Operation Manual 4 Press key until select 4. WEIGHING MODE sub menu. 5 Press key to enter settings. 6 Press key to change the settings until display show PEAK HOLD. 7 Press key to confirm. 8 Press key two times to exit the setup menu and back to peak hold weighing mode.
  • Page 48: Calibration

    AW20 Series Weighing Scale Operation Manual 6. CALIBRATION 6.1 Normal Calibration ▪ Press key to enter setup menu. ▪ Using numeric keys 、 、 、 to enter calibration. 6. Service> 3.calibration parameters > 4.SCALE1 > 2.Calibration> 1.Normal Calibration ▪ Before access to the parameter,it need to press calibration switch,locating back side of indicator in approval version.
  • Page 49 AW20 Series Weighing Scale Operation Manual 4 Press key to confirm. 5 Place the test weight on the platter. Better to use minimum 1/3 of the scale capacity) 6 Press key to confirm. The display will be show “Please empty the scale”.
  • Page 50: Technical Data

    AW20 Series Weighing Scale Operation Manual 7. TECHNICAL DATA 7.1 General Specification MODEL AW20-6 AW20-15 AW20-30 Maximum Capacity 6 kg 15 kg 30 kg Minimum Capacity 10 g 20 g Readability 0.2 g 0.5 g Max. Divisions 30000d Tare range...
  • Page 51: Overall Dimension

    AW20 Series Weighing Scale Operation Manual Display 4.3” LCD color display Platter size (mm) 230 x 305 Housing ABS Plastic housing and Stainless Steel pan Interface RS232 ;RJ45; USB2.0 Optional RS485; WIFI; Bluetooth ; analog output; second platform Operation -10°C - + 40°C / 14°F - 104°F...
  • Page 52: Error Codes

    AW20 Series Weighing Scale Operation Manual 8. ERROR CODES Error Message Description Solution ERROR 4 Zero setting error Zero setting range exceeded due to switching on.(4%max) Make sure platform empty. ERROR 5 Key board error Check the keys and connector.
  • Page 53: Maintenance

    AW20 Series Weighing Scale Operation Manual 9.MAINTENANCE 9.1Preventive Maintenance 1 Switch off and unplug the device from the mains before cleaning. 2 Do not open the device during cleaning. 3 Make sure that no fluids get inside the device. 4 Do not use organic acid, alkaline solutions, scouring powders or plastic dissolving cleaning agents for cleaning.
  • Page 54: Trobule Shotting

    AW20 Series Weighing Scale Operation Manual 10.TROBULE SHOTTING Problem Possible cause Common solutions Mains power is turned off Check power switch is turned on, and Power supply is not plugged in power LED is working. Cannot turn on Power supply faulty...
  • Page 56 TScale Electronics Mfg. (Kunshan) Co., Ltd. 99, Jingwei Road, Kunshan, Jiangsu, China Tel : +86 512 57669080 www.t-scale.com...

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