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Cardinal CN20 Series User Manual

Cardinal CN20 Series
20 pages
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CN20 Series
Weight Indicating
Instruments
Technical Manual
Cardinal®
Cardinal Scale Mfg. Co.
PO BOX 151 • WEBB CITY, MO 64870
417-673-4631 Fax: 417-673-5001
8534-M514-O1 Rev B
5/98
Printed in USA
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Cardinal CN20 Series Specifications

General IconGeneral
BrandCardinal
ModelCN20 Series
CategoryAccessories
LanguageEnglish

Summary

Introduction and Safety Precautions

FCC Compliance Statement

Information regarding FCC compliance for radio frequency energy and potential interference.

Important Precautions and Warnings

Advises users to read the manual and pay attention to warning symbols before use.

CN20 Technical Specifications

Power, Temperature, and Display Specs

Details power supply, operating temperature range, and available display types.

Performance and Measurement Specs

Covers sensitivity, excitation, capacities, resolution, sample rate, and zero tracking ranges.

Physical Dimensions and Options

Includes physical dimensions, weight, sleep mode, and available optional features.

CN20 Installation Guide

Instrument Mounting Options

Guidance on mounting the instrument on a column, desktop, or wall.

Optional AC Power Supply Installation

Instructions for connecting and using the optional AC power supply to operate the instrument.

Battery Installation and Management

Details on installing and using batteries, including type compatibility and mixing restrictions.

Load Cell Connection Procedure

Details on connecting the scale's load cell to the CN20 via a 6-PIN modular connector.

CN20 Setup and Calibration

Entering Setup and Calibration Mode

Procedure to access setup and calibration mode using the calibration switch and ON key.

Scale Interval and Decimal Point Settings

Setting the scale interval (1, 2, or 5) and decimal point location for measurements.

Capacity and Weighing Unit Configuration

Configuring the maximum scale capacity and selecting desired weighing units (lb, kg, oz, g).

Load Calibration Weight and Zero Tracking Setup

Procedure for load calibration and setting zero tracking ranges.

Advanced Calibration Parameters

Configuration of power-up zero, digital filter level, motion range, and sample rate.

Operational Feature Configuration

Setting automatic shutoff timer, sleep mode, push button tare, and hold modes.

Display Mode and Serial Data Settings

Configuring non-roll-up display mode and inhibiting serial data transmission.

CN20 Error and Status Displays

Error Code Meanings (Part 1)

Lists and explains error and status messages like UnSE, UnLd, and LoAd.

Error Code Meanings (Part 2)

Explains error codes such as -OF-, -OL-, CALL, Err, Errl, Err2, Err3, Err4, Erra.

Instrument Care and Maintenance

Cleaning Procedures

Instructions for cleaning the instrument with a soft damp cloth, avoiding abrasive cleaners.

CN20 Troubleshooting Guide

Display and Weight Accuracy Issues

Checks for display issues, incorrect weight readings, and calibration status.

CN20 Keypad Functions

Standard Keypad Operation

Description of the five keys on the standard membrane keypad (ON, ZERO, lb/kg, HOLD/REL, OFF).

Optional Numeric Keypad Features

Description of additional keys available on a 20-key numeric keypad.

Keypad Function Details

Details on using TARE, NET, TEST, ENTER, and numeric keys for operation.

CN20 Annunciator Indicators

Basic Status Indicators

Explains annunciators like ZERO, GROSS, TARE, and NET status.

Advanced Status Indicators

Explains indicators for stability, battery status, weighing units, and display hold.

Setup Review Mode Operation

CN20 Battery Charging System

Printed Circuit Board Jumper Configuration

Appendix A: Replacement Parts List

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