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BWS
Series
Indicator
Technical Manual
800-000316
V1.09p

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Table of Contents
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Summary of Contents for BTEK WorldWEIGH BWS Series

  • Page 1 Series Indicator Technical Manual 800-000316 V1.09p...
  • Page 3: Table Of Contents

    CONTENTS 1. SPECIFICATION.. 2. INTRODUCTION ... 3 Charging ...3 3. INSTALLATION Installation .. 4 Wiring ..4 4. KEYS DESCRIPTION ... 6 Key Board ... 6 Secondary functions of the keys 5. OPERATION 5.1. Basic Operation ..8 1. Power On /Off 2.
  • Page 4 BWS Series Indicator Technical Manual PRECAUTIONS WARNING DISCONNECT ALL POWER TO THIS UNIT BEFORE INSTALLING, CLEANING, OR SERVICING. FAILURE TO DO SO COULD RESULT IN BODILY HARM OR DAMAGE TO THE UNIT. CAUTION • Only qualified Service personal to service this instrument •...
  • Page 5: Specification

    BWS Series Indicator Technical Manual 1. SPECIFICATION Model Display 52mm LCD/ 2” LCD Housing Stainless Steel Operating Temperature 0°C - 40°C / 14°F - 104°F Resolution 1/30,000 (Non Approved) 1/6000 (NTEP Approved) Key Pad 7 Keys Power Battery (6V/4Ah) estimated run time on fully charged battery 50 hours Calibration Automatic External...
  • Page 6: Introduction

    BWS Series Indicator Technical Manual 2. INTRODUCTION The BWS series weighing indicator amplifies signals from a load cell, then converts it to digital data and displays it as a mass value number It is suitable for general weighing or more specialized applications such as check weighing, animal weighing and accumulation applications Can be connected to a printer, PC, or scoreboard Large LCD with white LED back light displays...
  • Page 7: Installation

    BWS Series Indicator Technical Manual 3. INSTALLATION Installation • Place the Indicator on a table or connect to the supplied mounting bracket. • Connect the load cell cable to the indicator Bd9 load cell connecter. • Plug equipment into an easily accessible outlet with a protective ground/ earth contact.
  • Page 8 BWS Series Indicator Technical Manual Wiring Cut Pigtail Pins to DB9 Green SIG- White SIG+ Brown Shield Black Grey SEN- Sheild Sen+ Blue Yellow I/O gnd (Must connect to red) I/O (must be connected to Yellow) Wiring Terminal Strip - 5 -...
  • Page 9: Keys Description

    BWS Series Indicator Technical Manual 4. KEYS DESCRIPTION Keyboard Keys Description Power turn ON/OFF Zero Display To perform a tare function, subtracts weight Accumulator key, current values will store to the memory, to send the data to printer or PC Shift between Gross / Net Weight Counting To change the unit of measure...
  • Page 10: Secondary Functions Of The Keys

    BWS Series Indicator Technical Manual Secondary functions of the keys (Setup) (See Parameter section 6) Secondary Functions Keys To confirm the selected menu To change the menu and active digit To move the active digit to right To move the active digit to left To enter in to the menu Escape from the menu to normal operation - 7 -...
  • Page 11: Operation

    BWS Series Indicator Technical Manual 5. OPERATION Initial Start-up Warm-up time of 15 minutes helps stabilizes the measured values after switching 5.1. Basic Operation 1. Power On/Off: Switch on the BWS by pressing the key. The display is now switched on and the start-up test has started, if wanting to switch off, press the key again.
  • Page 12: Check Weighing

    BWS Series Indicator Technical Manual 5.2. Check Weighing The BWS can set an upper or lower limit when weighing with a limited range. During the limit controls the BWS will indicate whether the upper or lower limits value has been met and an alarm will sound. 5.2.1.
  • Page 13: Accumulation

    BWS Series Indicator Technical Manual • Check mode ng : When the weight is out of the limits, the beeper will be sounded and OK will show. Note: Check weighing available only when weight more than 20d 5.3. Accumulation The scale can be set to accumulate manually by pressing key.
  • Page 14: Automatic Accumulation

    BWS Series Indicator Technical Manual 5.3.3. Automatically accumulation: The scale can be set to accumulate automatically. For settings, see the parameter p 1 Com » mode » auto Automatic Accumulation Operation • Place the load on the platform. • When display shows a STABLE indication, display will be show acc 1 then will show the total saved value.
  • Page 15: Animal Weighing

    BWS Series Indicator Technical Manual 5.5. Animal Weighing BWS can be used for unstable loads. This function is called animal weighing. For settings, see parameter p 3 oth » anm When load is applied on the platform, after a few seconds of a stable weight, the reading will be locked.
  • Page 16: Set Auto Power Off

    BWS Series Indicator Technical Manual 5.7. Set auto power off To set auto power off of the BWS • Hold key three seconds display will show setbl • Press key to change Set of and press key to confirm. • Press key to change the options.
  • Page 17: Parameters

    BWS Series Indicator Technical Manual 6. PARAMETERS For Key function in Setup menu see page 7 To setup parameters, turn on the scale. • Press and Release key during the self checking countdown pn pn • Display will be show •...
  • Page 18 BWS Series Indicator Technical Manual Baud To set the baud rate (Baud Rate) Options: 600 / 1200 / 2400 / 4800 / 9600 To set the parity (Parity) Options: 7 e1 / 7 o1 / 8 n1 Ptype To set printer model (Printer Type) Options: Tm295 : Epson tm295...
  • Page 19 BWS Series Indicator Technical Manual To select single range operation Count To check internal counts P 2 mod P 2 mod P 2 mod P 2 mod Deci To set decimal points Si g r MODE 0 / 0.0 / 0.00 / 0.000 To set increment (K3 to enter) 1 / 2 / 5 / 10 / 20 / 50...
  • Page 20 BWS Series Indicator Technical Manual Multi tare operation turn on P4 S t P4 S t P4 S t P4 S t Multi tare operation turn off TARE CLr CAL Clear all calibration data P P P P 5 5 5 5 CLR CLr oPt Clear ALL parameters RESET...
  • Page 21: Calibration

    BWS Series Indicator Technical Manual 7. CALIBRATION Jumper K2 comes shorted Allowing Front Panel access to Calibration if k2 is not shorted press K3 button inside the unit to enter calibration To calibrate, turn on the scale. • Press and release during the self checking countdown Pn Pn •...
  • Page 22: Rs-232 Output

    BWS Series Indicator Technical Manual 8. RS-232 OUTPUT 8.1. Specifications: (1 Com port) RS-232 output of weighing data Code : ASCII Data bits : 8 data bits Parity : Parity selectable Baud rate : 600bps to 9600bps selectable 8.2. RS-232 (Db9 type connector) White Pin 2...
  • Page 23: Drawing

    BWS Series Indicator Technical Manual 9. DRAWING 9.1. BWS Drawing - 20 -...
  • Page 24: Bws Parts List

    BWS Series Indicator Technical Manual 9.2. BWS Parts List Parts Spec Key Panel 899-300086 Front Cover Display Protection Plate M3*6 Main Board 899-300085 Washer 8x3.1x1.5 Star (+) Self Thread screw M3x8 Water Proof Rubber Bar Star (+) Screw M4x10 Washer Battery Clamp Washer Star (+) Big head Screw...
  • Page 25: Error Codes

    BWS Series Indicator Technical Manual 10. ERROR CODES Error Message Description Solution Maximum load exceeded Unload or reduce weight. ----- ----- ----- ----- Low reading Re-check wiring Err L Err L Err L Err L Zero setting error Zero setting range exceeded Err 4 Err 4 Err 4...
  • Page 26 BWS Series Indicator Technical Manual B-TEK Scales 1510 Metric Avenue SW Canton, OH 44706 Tel: (330) 471-8900 Fax: (330) 471-8909 www.B-TEK.com - 23 -...

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