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Beckhoff BK1120

Beckhoff BK1120
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Documentation
BK11x0, BK1250
EtherCAT Bus Coupler
4.1
25.04.2017
Version:
Date:

Table of Contents

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Beckhoff BK1120 Specifications

General IconGeneral
BrandBeckhoff
ModelBK1120
CategoryAdapter
LanguageEnglish

Summary

Product Overview - EtherCAT Bus Coupler

Foreword

Safety Instructions

Critical safety regulations, liability exclusions, personnel qualification, and symbol descriptions.

Product Overview

Technical Data for Bus Couplers

Detailed technical specifications for BK1120, BK1150, and BK1250 Bus Couplers.

Basic Principles

Distributed Clocks for Synchronization

Explains the importance and function of Distributed Clocks for precise synchronization.

The Beckhoff Bus Terminal System

Details the Bus Terminal system, controllers, and Bus Couplers for various fieldbus systems.

CoE Interface

Explains the CANopen over EtherCAT interface for device parameter management.

EtherCAT State Machine

Describes the EtherCAT slave states (Init, Pre-Operational, Operational) and transitions.

LEDs and Connection

Mounting and Wiring

Power Supply and Potential Groups

Explains power supply requirements for Bus Couplers, E-bus, and power contacts.

EtherCAT Wiring Specifications

Specifies cable requirements, pin assignments, and suitable Beckhoff EtherCAT cables.

Parameterization and Commissioning

Distributed Clocks Support in EKxxxx

Explains how to indicate and configure Distributed Clocks support in TwinCAT.

KL Terminal Parameterization via Register Communication

Explains parameter changes via KL register communication using different access routes.

KL Terminal Configuration via EtherCAT Startup

Details configuration of KL terminals during EtherCAT startup using CoE startup list.

Online KL Terminal Parameterization via CoE

Explains how to access and parameterize KL terminals online via the CoE directory.

Online KL Terminal Parameterization via AoE

Details activating AoE NetID for online parameterization of KL terminals via AoE.

KS2000 Configuration Software Usage

Demonstrates using KS2000 for planning, parameterization, and commissioning.

Error Handling and Diagnosis

EtherCAT Master Error Messages

Explains error messages displayed in the logger window by the EtherCAT master.

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