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Digi SM-500MK4 DP - User Manual

Digi SM-500MK4 DP
95 pages
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COPYRIGHT © 2006 TERAOKA WEIGH-SYSTEM PTE LTD
SERVICE MANUAL
DIGITAL COMPUTING PRINTING SCALE
SM-500MK4
Edition 1
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Table of Contents

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Digi SM-500MK4 DP Specifications

General IconGeneral
MaterialStainless steel
Auto Power OffYes
Overload ProtectionYes
DisplayLCD with backlight
InterfaceRS-232C
Unitsg

Summary

1. GENERAL

1.1 Model Specification

Details scale model specifications, including variation, capacity, keys, and resolution.

1.2 Operating Specification

Outlines operational parameters: power source, temperature, humidity, and waterproof rating.

1.3 Type of Interface

Lists standard and optional interface types for connectivity (RS232C, Ethernet).

1.4 Main Components

Details the primary components of the scale, including CPU, memory, and driver boards.

2. OVERVIEW

2.1 Dimension

Provides dimensional drawings for different scale configurations (Pole, Bench types).

2.2 Key sheet Layout

Illustrates the scale's keypad layout for different models (32, 56, 100 preset keys).

2.3 Panel Layout

Details the display panel layout and the meaning of its various indicators.

3. SPAN SWITCH

3.1 Span Switch Jumper Setting Changing Procedure

Step-by-step guide on changing span switch jumper settings on the main board.

3.2 Span Switch located in Main Board

Diagram showing the location of the span switch (SW2) on the main board.

4. INITIAL SETUP

4.1 Scale Assembly

Instructions for assembling the scale, including pole mounting and level adjustment.

4.2 Software Setting

Procedures for software configuration, including memory initialization methods.

4.3 Calibration

Detailed steps for calibrating the scale, including zero setting and weight calibration.

4.4 User Spec Setup Procedure

Guide on how to alter user-specific settings and configurations within the scale's menu.

4.5 Weigh & Measurement Spec Setup Procedure

Instructions for setting up weigh and measurement specifications according to user requirements.

5. HARDWARE TESTING & MAINTENANCE

5.1 Hardware Testing

Procedures for testing hardware components: RAM, SIO, RS485, and Ethernet ports.

5.2 Adjustment

Details on adjusting sensors, such as gap and peel sensors, for optimal performance.

6. DISASSEMBLY

6.1 Pole Type Disassembly

Instructions for disassembling the pole type scale, showing screw types and steps.

6.2 AD Board Disassembly

Procedure for removing the AD Board, including desoldering wires and unscrewing.

6.3 Loadcell Disassembly

Steps for disassembling the loadcell, including removing support and loadcell.

6.4 Extra Bracket Disassembly for 30 Kg

Instructions for disassembling extra brackets specific to the 30Kg model.

7. FIRMWARE UPGRADE

7.1 Boot loader Downloading

Detailed guide for downloading the boot loader using Flash Development Toolkit 3.1.

7.2 Firmware Downloading

Instructions for downloading firmware using Hyper Terminal via RS232C interface.

8. HARDWARE SETTING

8.1 Main Board Jumper Setting

Guidance on setting main board jumpers for LCD display functionality.

9. MISCELLANEOUS

9.1 Error Messages

A list of common error messages, their codes, and corresponding causes.

9.2 Corresponding Key of IBM Keyboard

Mapping of IBM keyboard keys to SM500MK4 functions for S mode operation.

9.3 ASCII Characters

Table of ASCII characters and their HEX values for data entry.

9.4 TERAOKA Code

Numerical values for TERAOKA codes used in data entry for commodity names, etc.

9.5 Wire And Connector

Information on Ethernet cable types, cash drawer, PS2 keyboard, and RS232C connectors.

10. APPENDIX

10.1 Block Diagram

Block diagrams illustrating internal connections for Bench, Pole, and Elevated types.

10.2 Specification List

Comprehensive lists of user and weigh/measure specifications with their corresponding settings.

11. REVISION RECORDS

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