Table of Contents
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Table of Contents
Related Manuals for Avery Weigh-Tronix 7820-70
Summarization of Contents
General Information and Warnings
About This Manual
Explains the manual's structure and conventions used.
Text Conventions
Defines how key names and displayed messages are shown.
Special Messages and Symbols
Explains the meaning of warning, caution, and note symbols used in the manual.
Installation and Electrical Safety
Pluggable Equipment Requirements
Specifies requirements for plugging in the equipment.
Wet Conditions Installation
Details installation requirements for wet environments.
Electrical Installation Safety
Covers electrical connection and safety requirements for proper installation.
Routine Maintenance and Cleaning
Routine Maintenance Procedures
Emphasizes regular checks for proper operation and calibration.
Cleaning the Machine Safely
Provides DOs and DON'Ts for cleaning the scale to avoid damage.
Training and Ergonomics Guidance
Stresses the importance of proper training and ergonomic use for user safety.
Regulatory Compliance
FCC and EMC Declarations
Outlines regulatory compliance statements for different regions.
Product Specifications
Model Descriptions and Capacities
Lists scale models with their capacity and resolution specifications.
Agency Certifications and Operating Limits
Details certifications, operating temperature, and humidity ranges.
Detailed Specifications
Physical and Electrical Specifications
Covers dimensions, power supply, construction, and display features.
Scale Leveling Procedure
Explains how to level the scale using its adjustable feet.
Operational Indicators and Communication
Operational Indicators and Limits
Explains zero window, under/over capacity indications, sealing, and dynamic response.
Communication Interface Options
Details factory default settings and available interface options for data transfer.
Initial Setup Procedures
Unpacking and Inspecting the Scale
Steps for unpacking and inspecting the scale for shipping damage.
Installing the Scale on a Surface
Instructions for mounting the scale on a stable, level surface.
Scale Installation and Connections
Scale Leveling and Final Connections
Detailed steps for leveling the scale and connecting power/cables.
Scale Operation Basics
Power-Up Test Sequence
Describes the tests performed when the scale is first powered on.
Performing a Normal Weighment
Step-by-step guide to weighing an item on the scale.
Operation Controls and Remote Display
Understanding Operation Controls
Explains the function of the ZERO and TEST keys.
Remote Display Usage
Information on using an optional remote display and switch settings.
Navigating Menu Modes
Accessing Gravity and Menu Modes
How to access Gravity setting and the four main Menu modes (DIAG, CONF, CAL, RE-CAL).
Menu Mode Functions Overview
Diagnostic (DIAG) Mode Functions
Overview of tests available in DIAG mode for scale function testing.
Configuration (CONF) Mode Functions
Overview of configuration options for scale application needs.
Calibration (CAL) Mode Functions
Overview of calibration options available.
Gravity Mode and Calibration
Gravity Mode Adjustment
How to adjust the local gravity value using ZERO/TEST keys.
Alternative Calibration Weights
Table of alternative weights that can be used for scale calibration.
Baud Rate and Diagnostic Mode Access
Baud Rate and Parity Options
Table of available baud rate and parity settings for communication.
Accessing Diagnostic (DIAG) Mode
Steps to access the diagnostic mode directly from the front panel.
Running Diagnostic Tests
Performing RAM, ROM, and I/O Tests
Detailed steps for performing RAM, ROM, and I/O diagnostic tests.
Performing Division Tests
Steps to perform Division Tests with and without AZT.
Performing Division Tests (Continued)
Division Test w/AZT (DIV-A) Details
Steps for performing the high resolution DIVISION TEST with AZT enabled.
Division Test w/o AZT (DIV-N) Details
Steps for performing the high resolution DIVISION TEST with AZT disabled.
Reviewing Scale Settings
Filtering and Protocol Settings
How to view current filter and protocol settings.
Baud, Capacity, and Units Settings
How to view current baud, capacity, and units of measure settings.
Rounding and Printout Settings
How to view current rounding type and output print format settings.
Scale Configuration
Configuring Filtering and Baud Rate
How to choose filtering settings and baud/parity options.
Configuring Communication Protocol
How to select communication protocol like NCI, 8213, etc.
Viewing Gravity Settings
Displays local and calibration gravity settings.
Configuring Output Print Format
Selecting Output Data Formats
How to select the output data format for print modes.
Print Modes
AUTO-1 Print Mode Operation
Automatic weight transmission after item removal from the scale.
AUTO-2 Print Mode Operation
Automatic weight transmission when item is placed and stabilized.
Scale Calibration
Step-by-Step CAL Mode Instructions
Guide to calibrate scale, select units (LBS/KG) and capacity.
PRINT Mode Operation
Manual weight transmission initiated by pressing the TEST button.
Gravity Mode Adjustment Procedure
Adjusting Local Gravity Values
Adjusting internal calibration factors for local gravity variations.
Re-Calibration Mode
RE-CAL Mode for Resolution/Rounding
Changing scale resolution or rounding method without calibration weights.
RE-CAL Mode Step-by-Step Guide
Steps to re-configure scale resolution or rounding method.
Reviewing and Testing Scale Settings
Reviewing Scale Settings
Using the TEST key for diagnostics and reviewing system settings.
Viewing Specific Scale Settings
Viewing Scale Settings
How to scroll through and view specific settings like filter, protocol, baud, units, etc.
Communication Interfaces and Setup
Physical Interface Connections
Diagrams and descriptions of RS232, USB VCP, and USB HID connections.
RS232 Communication Setup
Pinout and default settings for RS232 connection.
Communication Interface Usage
USB VCP and HID Communication
How to connect and use USB VCP and USB HID interfaces.
Enabling Serial Communications
Conditions for responding to serial commands from the scale.
Communication Protocols and Commands
Interface Cable Specifications
Detailed pinout for DE-9 female and male connectors.
NCI Serial Protocol Symbols
Defines symbols used in the NCI serial communication protocol.
Standard Communication Commands
Lists standard commands (W, S, Z) and their expected responses.
Optional Communication Commands
Optional Communication Commands
Lists optional commands (H, d) and handling of unrecognized commands.
Error Codes and Troubleshooting
Understanding Error Codes
Explains how system errors are displayed as E-codes.
Troubleshooting No Power Issues
Steps to diagnose and resolve issues where the display is blank.
Troubleshooting Display Segment Errors
Steps to resolve issues with missing or extra segments on the display.
Troubleshooting Common Issues
Troubleshooting Zeroing and Weight Errors
Steps to resolve scale not returning to zero or displaying incorrect weight.
Troubleshooting Unrecognized Characters
Steps to resolve issues with unrecognized characters displayed.
Troubleshooting Under Capacity Indication
Steps to resolve issues indicated by under capacity dashes.
Troubleshooting Advanced Issues
Troubleshooting Over Capacity Indication
Steps to resolve issues indicated by over capacity dashes.
Troubleshooting Data Transmission Failures
Steps to resolve issues with the scale not transmitting data.
Troubleshooting Non-functional Keys
Steps to resolve issues where ZERO or TEST keys do not function.
Spare Parts Information
Spare Parts List and Part Numbers
Lists part numbers for various components like keyboard, PCB, loadcells, etc.
Manufacturer Contact and Support
Contact Information and Support
Provides contact details and website for Avery Weigh-Tronix USA and UK.
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