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Megger torkel 820 User Manual

Megger torkel 820
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TORKEL
820/840/860
User's Manual
Battery Load Units

Table of Contents

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Megger torkel 820 Specifications

General IconGeneral
BrandMegger
Modeltorkel 820
CategoryMeasuring Instruments
LanguageEnglish

Summary

Introduction to TORKEL Load Units

General Information and Model Coverage

Explains the manual covers TORKEL units and TXL Extra Loads, and applies to all models unless specified.

TORKEL 820/840/860 Overview

Describes TORKEL units as instruments for capacity tests, detailing programmable modes and key functions.

TXL Extra Loads for Enhanced Capacity

Explains TXL units are resistive loads used with TORKEL to increase loading capability, providing voltage ratings.

TORKEL Win Software Functionality

Describes TORKEL Win software for PC, visualizing voltage curves, controlling TORKEL, and generating reports.

Safety Precautions for TORKEL Operation

Understanding Instrument Warning Symbols

Lists and explains warning symbols used on the instrument for caution, electric shock, heat, and WEEE.

Critical Safety Instructions and Warnings

Provides critical warnings about lethal voltage/current, isolation, cable handling, touching parts, and explosion risks.

Navigating the TORKEL Menu System

Menu System Navigation and Key Options

Covers the Main Menu, Results, Test Battery, Language, and Basic Settings options.

Auto-limits and Memory Settings

Details Auto-limits for automatic voltage settings and Memory for saving test configurations.

Test Method Selection

Explains how to select the desired test method such as constant current, power, resistance, or profile.

TORKEL Control Panel and Components

Operator Controls and Display Functions

Details the display and keys on the control panel for operation and parameter adjustment.

Status Indicator Lamps

Explains the meaning of the OPERATING, Vmin, lot (Ah), and Time (h) status LEDs.

External Measurement Input

Describes the input used for measuring current externally via clamp-on ammeter or shunt.

Circuit Breaker and External Control Ports

Explains the F1 circuit breaker and details ALARM, START/STOP, and TXL output ports.

Mains Power and Battery Terminals

Describes the mains connector, ON/OFF switch, and battery connection terminals including VOLTAGE SENSE.

Conducting a Battery Discharge Test

Performing a Test at Constant Current

Focuses on performing tests using constant current, including safety precautions and preparation.

Essential Safety Precautions for Testing

Lists essential safety measures for connecting/disconnecting cables, hazardous environments, and overheating.

Test Preparation and Cable Connection

Outlines initial steps: connecting to mains, switching on TORKEL, and connecting the battery cables.

Setting Test Current and Limit Parameters

Explains how to set the desired current and warning/stop limits for voltage, capacity, and time.

Controlling Test Execution (Start, Pause, End)

Details the procedures to start, pause, and properly end a discharge test using the control panel.

Testing at Constant Power or Resistance

Constant Power Discharge Testing

Explains how to conduct discharge tests at constant power, similar to constant current.

Constant Resistance Discharge Testing

Details how to perform tests using a constant resistance load setting.

Configuring TORKEL for Power/Resistance Tests

Provides steps to configure TORKEL for constant power or resistance testing.

Conducting Tests with Load Profiles

Load Profile Test Overview and Preparation

Introduces profile testing, allowing current or power profiles with up to 19 time intervals and preparation steps.

Executing Load Profile Tests

Details setting up profile intervals, duration, and load values for the test execution.

Starting Load Profile Tests

Refers to the general procedure for starting a test after profile configuration.

External Current Measurement Functionality

General Function and Applications

Explains how external current measurement works using a DC clamp-on ammeter or shunt, and its applications.

Setting Up External Current Measurement

Provides step-by-step instructions for configuring TORKEL for external current measurement via the menu.

Using the DC Clamp-on Ammeter

Gives notes and steps for setting up and using a DC clamp-on ammeter with TORKEL.

Connection and Troubleshooting

Details how to connect the clamp-on ammeter and addresses potential errors and their solutions.

Alarm Function and Reset

Alarm Description, Events, and Wiring

Explains the alarm function, buzzer, relay, connector, and lists events that trigger an alarm.

Resetting the Alarm

Describes how to reset the alarm by pressing any key.

Utilizing Auto-limits for Test Automation

Invoking the Auto-limits Function

Explains how the auto-limits function automatically calculates and sets voltage, capacity, and time limits.

Activating and Configuring Auto-limits

Details the steps to activate and configure auto-limits for voltage, capacity, and time settings.

Connecting TORKEL to a PC with TORKEL Win

PC Connectivity and TORKEL Win Overview

States TORKEL can connect to PC via TORKEL Win or TMC95 programs, detailing Win's capabilities.

TORKEL Win Software Features

Lists key features like voltage curve display, tabular data, and commands that can be issued to TORKEL.

TORKEL Win Installation Procedure

Covers software package contents and PC requirements for installing TORKEL Win.

Setting Up PC Communication and Loading Key

Guides on connecting TORKEL to PC, establishing communication, and loading the software key.

Language Change, Testing, and Results

Details changing TORKEL language, performing tests using TORKEL Win, and viewing results.

External Device Control of TORKEL

Start/Stop Connector for External Control

Introduces the START/STOP connector for external control and explains its isolation and usage.

External Control of Starting and Stopping

Details how to start and stop TORKEL discharge using a dry contact on the START/STOP connector.

Achieving Desired Current Levels

Current Capacity and Calculation Basics

Emphasizes making calculations to ensure TORKEL can provide and sustain the desired load current.

TORKEL Load Capacity and Specifications

Presents tables detailing TORKEL's current limitation (Imax) and internal resistance for different voltage ranges.

Imax, Max Power, and Final Voltage Calculations

Explains Imax, power limits, and how final voltage affects current due to internal resistance, with calculation methods.

Examples of Load Capacities

Provides examples of load capacities for TORKEL models with different battery configurations.

Expanding Systems with TORKEL and TXL Units

Scenarios Requiring Multiple Units

Covers situations where a single TORKEL is insufficient and suggests using TXL Extra Loads or multiple TORKELs.

Integrating TXL Extra Loads with TORKEL

Explains TXLs are resistive loads regulated by TORKEL and lists checks required when connecting them.

Calculating Required TORKEL and TXL Units

Provides a guide for calculating the number of TORKEL and TXL units required for a system configuration.

TXL Specifications and System Examples

Lists specifications for TXL models and presents example system configurations of TORKEL and TXL units.

System Testing with TORKEL and TXL Units

System Operation and Current Measurement

Explains how current measurement works in a multi-unit system and which unit controls others.

System Hookup, Settings, and Discharge Start

Covers system setup, applying ammeters, and the critical sequence for starting multiple TORKEL units.

Using TXL Extra Loads

TXL Extra Load Components Identification

Identifies and describes TXL components: selector switch, circuit breaker, terminals, control ports, and mains.

TXL Setup and Testing Procedure

Guides on setting the range selector switch, connecting TXL units, and performing tests.

Optional Accessories for TORKEL

Cables and Clamp-on DC Ammeters

Lists various cable sets for TORKEL/TXL connection and available clamp-on DC ammeters.

Software and Other Accessories

Mentions TORKEL Win software and lists other accessories like transport case and data loggers.

Troubleshooting Common TORKEL Issues

Display and Circuit Breaker Problems

Addresses issues like a dark display or inability to switch on the circuit breaker F1.

Voltage Reading and TXL Connection Issues

Covers incorrect voltage readings and problems when TXLs are connected to TORKEL.

On-Screen Messages and Solutions

Addresses specific error messages on the display and provides solutions.

Specific Error Messages and Handling

Details specific error messages like 'Error: Connection', 'Unable to regulate', and 'Error: External I' with solutions.

TORKEL Calibration Procedures

Calibration Overview and Safety Guidelines

Outlines the four main calibration steps and provides general safety warnings for the procedure.

Calibrating Zero Levels

Details the specific procedure for calibrating the zero levels of TORKEL inputs.

Calibrating Internal Current Measurement

Explains the steps required to calibrate the internal current measurement circuit.

Calibrating Voltage Measurements

Describes the process for calibrating both internal and external voltage measurements at two points.

Calibrating External Current Measurement

Details the procedure for calibrating the external current measurement circuit at two points.

Resetting TORKEL to Default Settings

Purpose and Procedure for Resetting TORKEL

Explains the purposes of resetting TORKEL (default calibration, error recovery) and the procedure to perform it.

TORKEL Model Specifications

TORKEL 820 Detailed Specifications

Lists detailed specifications for the TORKEL 820 model, including environment, dimensions, and technical parameters.

TORKEL 840/860 Detailed Specifications

Lists detailed specifications for TORKEL 840/860 models, covering environment, dimensions, and technical parameters.

TXL 830/850/870 Detailed Specifications

Provides specifications for TXL 830, 850, and 870 models, including voltage, current, power, and resistance.

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