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SEW-Eurodrive DRN Series User Manual

SEW-Eurodrive DRN Series
64 pages
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*25879146_1119*
Drive Technology \ Drive Automation \ System Integration \ Services
Addendum to the Operating
Instructions
Safety Encoders and Safety Brakes
DR.., DRN.., DR2.., EDR.., EDRN.. AC Motors
Functional Safety
Edition 11/2019 25879146/EN
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SEW-Eurodrive DRN Series Specifications

General IconGeneral
BrandSEW-Eurodrive
ModelDRN Series
CategoryEngine
LanguageEnglish

Summary

General Information

How to Use This Documentation

Explains how to effectively use the addendum and its operating instructions.

Safety Notes

Preliminary Information

General safety notes to prevent injury and property damage during product use.

Designated Use of Safety Components

Defines the intended industrial application and conditions for safety motors.

Safety Encoder Designated Use

Specifies the designated use for safety encoders with specific motor types.

Safety Brake Designated Use

Details the designated use and limitations for safety brakes.

Inspection and Maintenance

Outlines operator responsibilities and procedures for inspection and maintenance.

Functional Safety (FS)

Functionally Safe Motor Options

Introduces optional safety features for motors in safety-relevant applications.

Safety Encoders

Describes the characteristics and function of SEW-EURODRIVE safety encoders.

Safety Brake

Explains the characteristics and function of SEW-EURODRIVE safety brakes.

FS Mark

Details the FS logo and 2-digit number used to identify safety-related components.

Safety Functions Overview

Describes the safety functions that can be implemented with safety encoders and brakes.

Safety Functions for Safety Encoder

Lists safety functions implementable with safety encoders via sine/cosine interface.

Safety Functions for Safety Brake

Details safety functions like SBA and SBH implementable with safety brakes.

Requirements for Follow-up Electronics

Specifies the technical requirements for electronics interacting with safety encoders.

Brake Diagnostics

Explains the importance and function of brake diagnostics for safety.

Motor and Brake Combinations

Lists compatible combinations of motors, encoders, and brakes.

Safety Brake Combinations

Shows combinations of motors with BE.. safety brakes and braking torque steps.

Acceptance

Describes the system manufacturer's responsibility for overall safety evaluation and validation.

Motor Structure

Component Nameplate Information

Provides examples of nameplates for motors and safety components.

Motor Nameplate Details

Shows an example motor nameplate with the FS logo and its details.

Safety Encoder Nameplate

Displays an example encoder nameplate and its identification elements.

Safety Brake Label

Illustrates an example safety brake label with the FS logo and its components.

Mechanical Installation

General Installation Information

Notes on handling greases and oils for safety components during installation.

Manual Brake Release

Information on the manual brake release option and its limitations.

Electrical Installation

General Electrical Information

Recommendation for using prefabricated cables to connect safety encoders.

Connecting the EI7C FS Encoder

Details the 8-pin M12 plug connector and cable requirements for the EI7C FS encoder.

EI7C FS Visual Feedback

Explains the LED display on the EI7C FS safety encoder for status indication.

Indicating Normal State

Describes the LED indicators for normal operation status.

Indicating Internal Diagnostics Error

Explains how internal diagnostic errors are indicated by LEDs.

Temperature Sensor /TF

Information on the use and evaluation of the temperature sensor with safety brakes.

Brake Control

Explains the electrical release and mechanical application of the brake.

Inspection/Maintenance

Inspection and Maintenance Intervals

General intervals and recommendations for inspecting safety components.

Safety Encoder Inspection/Maintenance

Details inspection and maintenance for safety encoders, including service life.

Safety Brake Inspection/Maintenance

Provides guidance on inspecting and servicing safety brakes based on load conditions.

Encoder Removal and Installation

Procedures and warnings for removing and installing safety encoders.

Required Tools for Encoder Installation

Lists the necessary tools for encoder assembly and disassembly.

Encoder Reassembly

Details the reassembly steps and tightening torques for encoders.

Measuring Encoder Wobbling

Explains the procedure for measuring encoder wobble to ensure proper seating.

Preliminary Maintenance Work

General information and steps before performing maintenance.

Brakemotor Inspection Steps

Specific inspection steps for DR..71-225, DRN63-225, DR2..63-80 brakemotors.

Setting Brake Working Air Gap

Procedure for setting the working air gap on specific brake models.

Measuring BE03 Brake Wear

Explains how to measure wear by checking the brake's working air gap.

Brake Exchange

Guidelines and torques for exchanging safety brakes.

Diagnostic Unit /DUE Monitoring

Information on the diagnostic unit for monitoring brake wear.

DIP Switch Settings for /DUE Option

Tables showing DIP switch settings for wear limit configuration.

Technical Data

Safety Encoder Technical Data

Technical data related to safety encoders.

Characteristic Safety Values for Safety Encoders

Presents safety values (SIL, PL, PFH, MTTF) for safety encoders.

Detailed Encoder Specifications

Detailed technical specifications for various encoder models.

Safety Brake Technical Data

Technical data concerning safety brakes.

Braking Work Until Maintenance

Specifies the braking work capacity until maintenance is required.

Working Air Gap for Safety Brakes

Provides values for the working air gap of safety brakes.

Safety Characteristics for Safety Brakes

Lists safety characteristics (Category, Safety functions) for safety brakes.

Checklists

Encoder Assembly Checklist

A checklist to document performed tasks during encoder assembly.

BE03 Brake Assembly Checklist

A checklist for documenting tasks related to BE03 brake assembly.

BE05-32 Brake Assembly Checklist

A checklist for documenting tasks related to BE05-32 brake assembly.

Glossary

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