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Digi SM-300 - Service Manual

Digi SM-300
98 pages
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COPYRIGHT © 2005 TERAOKA WEIGH-SYSTEM PTE LTD
SERVICE MANUAL
DIGITAL COMPUTING PRINTING SCALE
SM-300
Edition 6

Table of Contents

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Digi SM-300 Specifications

General IconGeneral
BrandDigi
ModelSM-300
CategoryScales
LanguageEnglish

Summary

General Information

Model Specification

Details the various SM 300 models, platter size, capacity, dimensions, and display/printer specs.

Operating Specification

Covers power source, operating temperature, humidity, and waterproof ratings for the SM 300.

Type of Interface

Lists standard and optional interfaces available for the SM 300, including RS232C, RS485, and Ethernet.

Main Components

Details the primary hardware components of the SM 300, such as CPU, memory, display, and printing head.

Overview of SM 300 Scale

Dimensions

Provides detailed physical dimensions for different SM 300 models (Pole, Bench).

Key Sheet Layout

Illustrates keyboard layouts for Bench, Pole, and Elevated SM 300 types with preset keys.

Panel Layout

Details the display panel indicators and their meanings for Bench, Pole, and Hanging types.

Label Type

Lists standard label types, dimensions, and roll quantities for the SM 300.

Interface Ports Location

Identifies interface ports (LCU/AUX, Ethernet, RS232, Cash drawer) on non-hanging SM 300 models.

Interface Ports for Hanging

Shows how to access and locate the span switch on the SM 300 Hanging scale.

Setup and Configuration

Scale Assembly

Step-by-step guide for assembling the SM 300 scale, including connecting cables and mounting displays.

Level Adjustment

Instructions on how to level the SM 300 scale using its adjustable legs and a bubble level.

Hanging Type Scale Setup

Details the components and dimensions for setting up the SM 300 Hanging scale for suspension.

Software Setting

Provides an overview of software settings and initialization procedures for the SM 300.

Memory Initialization

Explains the process for initializing the SM 300's memory.

Default Country Specification 1

Guides setting default country specifications and weight/measure specifications for the SM 300.

Default Country Specification 2

Outlines setting default country specifications for the SM 300, similar to Spec 1.

Country List

Provides a list of country codes and their corresponding names used in SM 300 settings.

Span Adjustment

Step-by-step guide to calibrate the scale's weighing accuracy using span adjustment.

Specification Setting

Guides on changing customer-specific settings (SPEC) for the SM 300, including barcode and data.

Customer Specification (Re-zero 141)

Explains how to increase, decrease, or jump to specific SPEC numbers in SM 300 settings.

Weight And Measurement Specification (Re-zero 142)

Details how to change Weight & Measurement specifications (SPEC) for the SM 300.

Scale Setting

Instructions for setting scale types (Self-Service, Hanging) and related specifications for the SM 300.

Maintenance Procedures

Diagnostic Functions

Provides an overview of diagnostic functions available for the SM 300 scale.

Changing Operating Mode

Explains how to switch between different operating modes (R, X, S, Z) on the SM 300.

RAM and Communication Port Testing

Guides on performing a RAM read/write test to check memory integrity on the SM 300.

SIO Loop Back Test

Details the RS232C port loop-back test procedure for the SM 300.

RS-485 Loop Back Test

Explains how to perform a loop-back test on the SM 300's RS-485 port.

Ethernet Test

Guides on testing the Ethernet port for proper functionality on the SM 300.

ROM Checksum Test

Details the process for verifying the SM 300's ROM integrity using checksum.

Auto Generate PLU

Instructions for automatically generating Product Look-Up (PLU) data on the SM 300.

Internal Count Mode

Explains how to access and use the internal count mode on the SM 300.

Span Switch Status

Guides on checking the status of the span switch on the SM 300.

Thermal Head Usage

Details how to view and clear the thermal head usage counter on the SM 300.

Adjustment Procedures

Covers various adjustment procedures for sensors and print head on the SM 300.

Location of Label Gap Sensor and Thermal Head

Identifies the physical location of the label gap sensor and thermal head on the SM 300.

Label Gap Sensor Adjustment

Explains the function of the label gap sensor and how to adjust its sensitivity on the SM 300.

Peel Sensor Calibration

Guides on setting the peel sensor voltage and using auto-set functionality on the SM 300.

Printing Position Adjustment

Instructions on how to adjust the vertical printing position for the SM 300's thermal printer.

Voltage Checkpoints

Lists key voltage checkpoints on the SM 300 PCB and their purposes.

Memory Clearing

Covers procedures for clearing various types of data from SM 300 memory.

Clearing Data Files

Step-by-step guide to clearing data files from the SM 300's memory.

Clearing Transaction Files

Instructions for clearing transaction data (daily, monthly, term, all) on the SM 300.

Clearing All Files

Guides on how to perform a full memory clear (Static RAM and files) on the SM 300.

Data Backup and Transfer

System Configuration Settings

Lists various system configuration settings for SIO (RS232C) port, including baud rates and parity.

Data Transfer to FL-1 or PCFL-1

Explains how to transfer data (PLU, Format, Other, All files) to FL-1 or PCFL-1.

Assembly and Disassembly

Bench and Pole Type Assembly

Instructions for disassembling the top cover and circuit board for Bench and Pole SM 300 types.

Display Board for Bench

Step-by-step guide to removing the display board from the bench type SM 300 housing.

Display Board for Pole

Instructions for disassembling and removing the display board for the pole type SM 300.

Keyboard Circuit Board Removal

Details removing the keyboard circuit board from the SM 300 housing.

Interface Main Board Removal

Steps to remove the interface main board from the SM 300 assembly.

Printer Kit Components

Guides on disassembling the printer kit, including the drawer block.

Thermal Head Removal

Guides on opening the printer, disconnecting cables, and removing the thermal head.

Self-Service Type Assembly

Instructions for disassembling the self-service display and keyboard pole assembly.

Self-Service Key Board

Instructions for disassembling the self-service display and keyboard pole assembly.

Pole Display Disassembly

Steps for removing the upper/lower keyboard, covers, and display unit for the SM 300 pole display.

Hanging Type Assembly

Provides detailed steps for disassembling various parts of the SM 300 Hanging type scale.

Side Cover Removal

Detailed steps for removing and accessing the side covers of the SM 300 Hanging scale.

Circuit Board Access

Guides on accessing and removing the main board and power block from the SM 300.

Main Board Removal

Instructions for locating and removing the main board from the SM 300 Hanging scale.

Power Block Removal

Guides on loosening screws, sliding out, and removing the power block from the SM 300.

Front and Back Panel Removal

Steps to disconnect display connectors and remove front/back panels of the SM 300.

Printer Block Replacement

Instructions for loosening screws and replacing the printer block in the SM 300.

Loadcell Removal

Guides on loosening screws to remove the ball joint, cover, and loadcell assembly on the SM 300.

Network Configuration

RS-232 C and RS-485 Communication

Covers system configuration settings for RS-232C and RS-485 communication interfaces.

RS-232 C System Configuration

Details RS-232C communication settings, including baud rates, data length, and parity for SM 300.

RS-485 Communication Setup

Explains RS-485 communication setup for connecting multiple SM 300 scales.

TCP;IP Configuration

Guides on setting up TCP/IP and Ethernet communication for PC connectivity with SM 300.

PC Ethernet Adapter Setup

Guides on installing Ethernet card and TCP/IP protocol for PC communication with SM 300.

Ethernet Communication on PC

Steps for configuring Ethernet communication on a PC using Windows 95 for SM 300.

Windows 95 Ethernet Configuration

Details setting IP address and Submask for SM 300 Ethernet communication on Windows 95.

Window Client Driver Setup

Explains creating HOSTS file for window client driver communication with SM 300.

SIS 98 Client;Server Connection

Describes communication using SIS 98 software with SM 300, requiring only scale IP address.

Scale Network Address Details

Covers Scale Ethernet Address, Scale IP Address, Server IP Address, and Subnet Mask.

Scale Ethernet Address

Guides on viewing the scale's Ethernet address, a hardware setting for communication.

Scale IP Address Configuration

Instructions for changing the default IP address for PC communication via Ethernet on SM 300.

Server IP Address

Details how to view and change the Server IP Address used for SM 300 communication.

Subnet Mask Configuration

Guides on viewing and changing the Subnet Mask for SM 300 network configuration.

System Configuration Modes

Explains setting up SM 300 scales in Server/Client, Server/Client with PC, and All Server modes.

Server; Client Configuration

Explains setting up SM 300 scales in a Server/Client configuration.

Server; Client with PC Setup

Details the SM 300 Server/Client setup when using a PC as the server.

All Server Configuration

Describes the SM 300 'All Server' configuration, connecting multiple scales to one PC.

Wireless Configuration

Provides step-by-step instructions for configuring wireless communication on the SM 300.

Firmware Management

WinDload v2.10 Software

Introduces WinDload v2.10 software used for downloading firmware to the SM 300.

Firmware Version Upgrade

Outlines the two methods for upgrading SM 300 firmware via RS232C or Ethernet.

Bin File Updating Process

Step-by-step guide on updating SM 300 firmware using Bin files via WinDload software.

Non-Based; Based Downloading

Details the process of non-based and based firmware downloading for the SM 300.

Server;Client Firmware Upgrade

Explains how to upgrade SM 300 firmware using a Server/Client network configuration.

Hardware Settings

Memory Expansion

Details how to expand the SM 300's memory by adding SRAM chips.

Interface Add-On Installation

Instructions for installing an interface board (Ethernet/RS485) on SM 300 Pole or Bench types.

RF Kit Interface Add-On

Guides on installing the RF Kit interface on SM 300 models, excluding Hanging type.

RF Kit Installation (Hanging Type)

Instructions for installing the RF Kit interface on the SM 300 Hanging type.

Cable Change Procedure

Details replacing connectors and wiring for SM 300 Self-Service models.

Miscellaneous Information

SM 300 Error Messages

Lists common error messages for the SM 300 and their corresponding causes and solutions.

ASCII Character Codes

Provides ASCII character codes in HEX value for entering data on the SM 300.

TERAOKA Character Codes

Lists TERAOKA character codes in numerical value for data entry on the SM 300.

Wire and Connector Types

Explains Ethernet cable types (straight, crossover) and specifications for SM 300 connections.

RS232 C and RS485 Wiring

Details connector types and pin configurations for RS232C and RS485 wiring on the SM 300.

Exploded Views

Pole Type Exploded View

Exploded view illustrating the components of the SM 300 Pole Type scale.

Bench Type Exploded View

Exploded view illustrating the components of the SM 300 Bench Type scale.

Elevated Type Exploded View

Exploded view illustrating the components of the SM 300 Elevated Type scale.

Self-Service Type Exploded View

Exploded view illustrating the components of the SM 300 Self-Service Type scale.

Hanging Type Exploded View

Exploded view illustrating the components of the SM 300 Hanging Type scale.

Revision Records

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