CAS EB Series, EB-60, EB-150 Service Manual

EB Service Manual

1 2007/06/13

EB SERVICE MANUAL

EB Service Manual

2 2007/06/13

< Table of Contents >

1. Introduction ............................................................................................................................... 4

1.1. Preface .................................................................................................................................... 4

1.2. Precaution.............................................................................................................................4

1.3. Specifications......................................................................................................................5

1.4. Dimension.............................................................................................................................. 6

1.5. Key & SYMBOLS ON DISPLAY.................................................................................... 7

1.6. Sealing Method................................................................................................................... 9

2. Calibration.................................................................................................................................11

2.1. General Calibration........................................................................................................ 11

2.1.1. C4 Setting ........................................................................................................... 12

2.1.1.1. C4-1 Setting................................................................. 12

2.1.1.2. C4-2 Setting................................................................. 12

2.1.1.3. C4-3 Setting................................................................. 12

2.1.1.4. C4-4 Setting................................................................. 13

2.1.1.5. C4-5 Setting................................................................. 13

2.1.2. SPAN Calibration Setting (C-3).............................................................. 14

2.1.3. Gravity Constant Value Setting (C-9) ................................................ 14

2.1.4. Calibration factor Setting (C-10).......................................................... 15

2.1.5. Displaying Real A/D Value (C-5).......................................................... 15

2.1.6. Input Function Key Code (C-6).............................................................. 16

2.1.7. Percent Calibration (C-7).......................................................................... 17

2.1.8. Battery Calibration (C-8)........................................................................... 17

3. The Schematics and Diagram......................................................................................... 18

3.1. System Block Diagram................................................................................................. 18

3.2. Circuit Diagram ................................................................................................................ 19

3.2.1. Main and Power............................................................................................... 19

3.2.2. Display part ....................................................................................................... 20

3.2.3. Key Part ............................................................................................................... 21

4. Exploded View......................................................................................................................... 22

5. Load Cell drawing.................................................................................................................. 23

6. Part Location............................................................................................................................ 24

6.1. Main PCB (Top) ................................................................................................................ 24

6.2. Main PCB (Bottom) ........................................................................................................ 25

6.3. Rear Display PCB (Top)............................................................................................... 26

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6.4. Rear Display PCB (Bottom) ....................................................................................... 26

6.5. Terminal PCB (Top) ....................................................................................................... 27

6.6. Terminal PCB (Bottom)............................................................................................... 27

6.7. Cal PCB (Top).................................................................................................................... 28

7. Error Messages & Solution............................................................................................... 29

8. Part List....................................................................................................................................... 30

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1. Introduction

1.1. Preface

Thank you for purchasing of our CAS scale.
This scale has been designed with CAS reliability, under rigid quality control
and with outstanding performance.
WE hope that your departments enjoy with high quality of CAS product.
This manual will help you with proper operations and care of the EB series.

Please keep it handy for the future references.

1.2. Precaution

• Make sure that you plug your scale into the proper power outlet.

• Place the scale on a flat and stable surface.

• Plug into a power outlet 30 minutes before operations.

• Keep the scale away from strong EMI noises may cause incorrect weight readings.

• This scale must be installed in a dry and liquid free environment.

• Do not subject the scale to sudden temperature changes.

• Do not subject the platter to sudden shocks.

• If the scale is not properly level, please adjust the 4 legs at the bottom of the

scale (turn legs clockwise or counterclockwise) so as to center the bubble of the
leveling gauge inside the indicated circle.

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1.3. Specifications

EB -60 EB-150

Capacity / e

60 kg / 0.02 kg 150 kg / 0.5 kg

Internal

1 / 60,000 1 / 60,000

External

1/3,000 (Dual) 1/3,000 (Dual)

Tare

29.99 Kg 59.98 Kg

Display Weight(6), unit price(6), total price(6)

Indicators STABLE, ZERO, NET, Battery

Keys

Number(0~9, 00), Clear, ZERO, TARE, PLU Save, PLU Call,

Battery, BL, X, -(cancel), +(add), SUM(TTP), Mode, Power ON/OFF

Functions

• Direct PLU(24) / Indirect PLU(200)

• Price computing scale

• Low Battery Indication function

• Auto Power Off, Auto BL off

• Beep Sound Off Function

Weight 15kg

Power 6V 5 Ah Pb Battery or 9 V Adaptor

Op.Temperature - 10 °C ~ +40 °C

Options Rear Display, Stainless-tray, Adaptor, RS232

Minimum Voltage
Level The Battery

About 5.7V

Operation time About 200HR

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1.4. Dimension

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1.5. Key & SYMBOLS ON DISPLAY

SYMBOLS DESCRIPTION

To adjust zero

Stable status

Tare on

Charge status

Display battery status

Back Light On status

KEYS FUNCTIONS

~ ,

To input all of numerical data

~

Direct PLU keys (24EA)

To save PLU

To call up PLU

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To clear data

To set zero

To set or clear tare value

To turn on & off the scale

To turn on & off the backlight

Display battery voltage(%)

To make several sales transaction by adding up

To make discount transaction

To multiply the same item when making sales transaction

To check total sales amount or finalize sales transaction

To soft key

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1.6. Sealing Method

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