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Avery Weigh-Tronix 7880-75 User Manual

Avery Weigh-Tronix 7880-75
40 pages
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Model 7800 Family
Weight Classifiers
User Instructions
AWT35-501540
Issue AA
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Avery Weigh-Tronix 7880-75 Specifications

General IconGeneral
Capacity75 lb
Platform Size12 x 14 in
Display TypeLCD
Power SupplyAC adapter or battery
MaterialStainless Steel
DisplayLCD

Summary

Initial Setup Procedures

Scale Installation Guide

Guidance on mounting the scale on a stable surface and using dimensions for flush installation.

Finalizing Scale Installation

Leveling and Power Connection

Instructions for leveling the scale using feet and plugging into a grounded outlet.

Basic Operation

Power-Up Test Sequence

Describes the sequence performed when the scale is first powered on.

Performing a Normal Weighment

Step-by-step instructions for weighing an item, including zeroing the scale.

Operation Controls and Displays

Zero and Test Key Functions

Details the functions of the ZERO and TEST keys in weighing and menu modes.

Accessing Menu Modes

Accessing Gravity Mode

Instructions on how to access the Gravity setting mode using Switch 2.

Menu Mode Options

Lists the four available modes: DIAG, CONF, CAL, and RE-CAL, with their purposes.

Menu Structure and Navigation

Baud Rate and Diagnostic Mode

Diagnostic (DIAG) Mode Access

Instructions on how to access the Diagnostic mode directly from the front panel.

Diagnostic Mode Tests - Part 1

Diagnostic Mode Tests - Part 2

Configuration Mode Settings

Configuration Mode - Protocol and Printout

Output Print Formats and Modes

Print Modes: AUTO-1 and AUTO-2

Description of automatic weight transmission modes (AUTO-1, AUTO-2) based on item removal or stabilization.

Calibration Mode Procedures

Calibration Mode Options

Explains selection of units (LBS/1000G) and rounding type (SCALE/CLASS) for calibration.

Calibration Capacity Selection

Steps to select the scale capacity for calibration.

Calibration Process and Gravity Mode

Unit and Rounding Selection

Steps to select units (LBS/1000G) and rounding type (SCALE/CLASS).

Calibration Weight Loading

Instructions for loading calibration weights and completing the calibration process.

Gravity Adjustment and Re-Calibration

Re-Calibration Mode Overview

Introduces RE-CAL mode for changing scale resolution or rounding without weights.

Re-Calibration and Settings Review

Re-Calibration Mode Steps

Step-by-step guide for re-calibrating scale resolution or rounding method.

System Diagnostics and Settings Review

Communication Interfaces

Available Communication Ports

Details the available interface devices: 1 serial RS232, 1 USB VCP, or 1 USB HID.

Communication Setup

Interface Specifications and Commands

NCI Serial Communications Protocol

Defines symbols and structure for the NCI serial communications protocol.

Standard Commands (W, S, Z)

Lists standard commands like W (Weight), S (Status), and Z (Zero) and their responses.

Error Codes and Troubleshooting

Error Code Structure

Explains error codes displayed as 'E' followed by a two-digit hexadecimal number.

Troubleshooting: No Power

Steps to diagnose and resolve issues when the display is blank (no power).

Troubleshooting: Display Segments

Steps to diagnose and resolve issues with missing or extra segments on the display.

Troubleshooting Scale Issues

Zeroing and Incorrect Weight Display

Steps to resolve issues with the scale not returning to zero or displaying incorrect weight.

Unrecognized Characters and Under Capacity

Steps to fix issues with unrecognized characters or under capacity display (dashes).

Troubleshooting Communication and Controls

Over Capacity and Data Transmission Issues

Steps to resolve over capacity display and scale not transmitting data to host device.

Non-Functioning Keys and PCB Issues

Steps to fix issues where ZERO and TEST keys do not function, and potential PCB problems.

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