TScale BW Series User manual

WEIGHING INDICATOR

TECHNICAL manual

BW / CW/VW/BWS Series Indicator Technical Manual

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Manufacturer

Taiwan Scales Mfg. Co., Ltd

Model

BW/BWS/VW/CW

Attestation No

06061503-A

EMC Directive

89/336/EEC

Applicable Standards

EN 55022: 1998 / A1:2000 / A2-2003 (Class B)

EN 55024: 1998 / A1:2001/ A2:2003

EN61000-3-2: 2000,

EN 61000-3-3: 1995 / A1: 2001

Note: The declaration is only valid if the non-automatic weighing instrument was

verified by the manufacturer or with a certificate of conformity issued by a notified

body.

Taiwan Scale Mfg. Co., Ltd.

282, Sec.3, Hoping W. Rd.

Taipei,

Taiwan

TEL:886-2-23068203

FAX:886-2-23044354

e-mail: [email protected]

W & P Scales Mfg. (Kunshan) Co., Ltd.

No. 99 Shunchang Road

Zhoushi, Kunshan

Jiangsu

China

TEL:86-512-57669080

FAX:86-512-57669100

e-mail: [email protected]

publication may be reprinted or translated in any form or by any means without

the prior permission of Taiwan scale.

Taiwan Scale reserves the right to make changes to the technology, features,

specifications and design of the equipment without notice.

All information contained within this publication was to the best of our knowledge

timely, complete and accurate when issued. However, we are not responsible for

misimpressions which may result form the reading of this material.

Visit our Website at: www.taiwanscale.com

Declaration of Conformity

BW / CW/VW/BWS Series Indicator Technical Manual

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CONTENTS

1. SPECIFICATION..…………………………………………………………………. 3

2. INTRODUCTION…………………………………………………………………... 4

3. INSTALLATION……………………………………………………………………. 5

Precautions …………………………………………………………………………5

Parts………………………………………………………………………………… 6

Installation………………………………………………………………………….. 6

Connect Adaptor and Charging…………………………………………………...7

4. KEYS DESCRIPTION……………………………………………………………... 8

Key Board…………………………………………………………………………... 8

Secondary functions of the keys…………………………………………………9

Display………………………………………………………………………………9

5. OPERATION……………………………………………………………………… 10

Basic Operation…………………………………………………………... ...10

1. Power On /Off………………..………………………………………………10

2. Zero…………………………………………………………………………...10

3. Tare…………………………………………………………………………...10

4. Select Unit……………………………………………………………………10

Check Weighing……………………………………………………………..11

S e t L i m i t s… ...……………………………………………..………….11

S e t C h e c k W e i g hi n g… … … . . … … …… … …… … … … … …… … … . 1 1

Accumulation…………………………………………………………………1 2

M e m o r y R ec a l l … …… … … . .. … … … … …… … … . … … … … … … …. 1 2

M e m o r y C l e a r …… … … … … … … …… … … … … … … …… … … … . . . 1 2

Automatically A c c u m u l at i o n … …… … … … … … … …… … … … …. . . 1 2

Parts Counting...……………………………………………………………..13

Animal Weighing……………………………………………………………..13

Key Board Lock………………………………………………………………14

Set Auto Power Off…………………………………………………………..14

Set Back Light………………………………………………………………..14

6. PARAMETERS…………………………………………………………………….16

7. CALIBRATION……………………………………………………………………..18

8. RS-232 OUTPUT…………………………………………………………………19

Specifications……………………….………………………………………19

Connecter……………………………………………………………………19

RS-232 Output………………………………………………………………19

Check weighing Output…………………………………………………….19

Continues output protocol………………………………………………….19

9. ERROR CODE…………………………………………………………………21

10.DRAWING…………………………………………………………………………22

BW/CW/VW Drawing………………..……………………………………………22

BW/CW/VW Parts List…………………………………………………………….23

BWS Drawing………………………………………………………………24

BWS Parts List……………………………………………………………..25

BW / CW/VW/BWS Series Indicator Technical Manual

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1. SPECIFICATION

VW CW

Model

BW/VW/CW

BW-E

BWS

BWS-E

Display

52mm LCD

1.2” LED

52mm LCD

1.2” LED

Housing

ABS Plastic

SST

Operating Temperature

-10°C - 40°C / 14°F - 104°F

Resolution

1/6000 (OIML Approved)

Key Pad

7 Keys

Power

AC Adaptor (12V/500mA)/ Battery (6V/4Ah)

Calibration

Automatic External

Interface

RS-232 Output Optional

Load cell drive Voltage

Max: 5V/150mA

Load Cells

Up to 4 load cell

ADC

Sigma Delta

ADC Update

≤1/10 second

Stabilization Time

One seconds typical

BW / CW/VW/BWS Series Indicator Technical Manual

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2. INTRODUCTION

The BW/CW/VW/BWS series weighing indicator that amplifies signals

from a load cell, converts it to digital data and displays it as a mass value.

It is suitable for general weighing or more specialized applications such as

check weighing, animal weighing and accumulation applications.

It can connect the indicator to a printer or a PC.

Large LCD with white LED back light or LED displays

BW / CW/VW/BWS Series Indicator Technical Manual

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3. INSTALLATION

Precautions

The weighing indicator is a precision electronic instrument,

handle it carefully.

Do not install the scale in direct sunlight.

Verify the local voltage and receptacle type are correct for

the scale.

Only use original adaptor, other could cause damage to the

scale.

Pluggable equipment must be installed near an easily

accessible socket outlet.

Avoid unstable power sources. Do not use near large users

of electricity such as welding equipment or large motors.

Avoid sudden temperature changes, vibration, wind and

water.

Avoid heavy RF noise.

Keep the indicator clean.

Parts Description

BW / CW/VW/BWS Series Indicator Technical Manual

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Installation

Place the Indicator on a table or connect with proper stand.

Connect the plat form load cell cable in to the indicator load cell connecter.

Load cell connecter is locating back side of the indicator.

Connect the adaptor pin in to the indicator adaptor jack.

Adaptor jack is locating, back side of the indicator.

Adaptor connects into your AC power socket.

Pluggable equipment must be installed near an easily accessible socket

outlet with a protective ground/ earth contact.

Turn on the On/Off key. If you want to turn off, press the key again.

Display will be show the scale capacity and will be starting self checking.

After self checking, display will be come to normal weighing mode.

Warm-up time of 15 minutes stabilizes the measured values after

switching on.

Calibrate with exact calibration weights, minimum 1/3 of the scale capacity

want to use for calibration. For calibration see details in parameter.

Then you can start your operation

Load cell connections

Connect the load cell cables to the terminal as shown below.

It can connect four 350 ohm load cells.

The load cell drive voltage is 5V DC ±5% between

Excitation + and Excitation -.

Description Pin

Signal + 1

Excitation + 5

Signal –2

Excitation –4

Shield 3

BW / CW/VW/BWS Series Indicator Technical Manual

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Connect Adaptor and Charging

To charge the battery insert the adaptor pin to jack. Adaptor simply plug into

the mains power. The scale no needs to be turned on.

The battery should be charged for 12 hours for full capacity.

Left down side of the keyboard there is an LED to indicate the status of

battery charging. When the scale is plugged into the mains power the

internal battery will be recharged. If the LED is green, the battery has a full

charge. If it is red, the battery is nearly discharged and if yellow, the

battery is being charged.

Do not use any other type of power adaptor than the one supplied with the

scale.

Verify that the AC power socket outlet is properly protected.

Note: Please charge the battery before using the scale for the first time.

BW / CW/VW/BWS Series Indicator Technical Manual

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4. KEYS DESCRIPTION

Key Board

Keys

Description

Power turn ON/OFF

Set the Zero Display

To perform a tare function, Subtracts weights.

Memory recall key, show the stored values from the

memory

Accumulator key, current values will store to the memory

To send the data to printer or PC

Shift to Gross / Net Weight. To change Unit hold three

seconds.

BW / CW/VW/BWS Series Indicator Technical Manual

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Secondary functions of the keys

Function

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.

Display

Battery low

Check

Weighing

Weighing unit

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