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CAS ELECTRICS CO.,LTD

Table of Contents

1. Introduction ......................................................................................................................... 3

1.1. Preface ....................................................................................................................... 3

1.2. Precaution ................................................................................................................... 3

2. Classification........................................................................................................................ 4

2.1. Overall View ................................................................................................................ 4

2.2. Specifications .............................................................................................................. 4

2.3. Display & Key .............................................................................................................. 5

2.3.1. Display ............................................................................................................... 5

2.3.2. Key Function ....................................................................................................... 6

2.4. Dimension ................................................................................................................... 6

2.4.1. Scale .................................................................................................................. 6

2.4.2. Loadcell .............................................................................................................. 7

2.5. Sealing Method ............................................................................................................ 7

3. Calibration ........................................................................................................................... 8

3.1. Calibration Mode .......................................................................................................... 8

3.2. Span Calibration ........................................................................................................ 11

4. The Schematics and Diagram ............................................................................................... 13

4.1. System Block Diagram ................................................................................................ 13

4.2. Circuit Diagram .......................................................................................................... 13

4.3. Interface ................................................................................................................... 13

4.3.1. RS232C Interface (direct) ................................................................................... 13

4.3.2. USB Interface .................................................................................................... 14

5. Firmware Update Method ..................................................................................................... 14

6. Exploded Views .................................................................................................................. 14

7. Parts List ........................................................................................................................... 15

7.1. Electronic Parts .......................................................................................................... 15

7.2. Mechanical Parts ........................................................................................................ 18

7.2.1. BODY ASS'Y ...................................................................................................... 18

7.2.2. UPPER CASE ASS'Y ............................................................................................ 19

7.2.3. TRAY ASS'Y ....................................................................................................... 20

7.2.4. IMAGE ASS'Y ..................................................................................................... 20

7.2.5. PLATFORM ASS'Y ............................................................................................... 20

7.2.6. C/T ASS'Y ......................................................................................................... 21

7.3. PMechanical Parts ...................................................................................................... 21

7.3.1. Loadcell Parts .................................................................................................... 21

Revision ................................................................................................................................ 22

CAS SW-II Series Service Manual

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