Beckhoff CU2608 Documentation

8-port ethernet switch with ip67 protection class

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Documentation
CU2608
8-port Ethernet Switch with IP67 protection class
Version:
Date:
2.0.0
2016-01-21

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Summary of Contents for Beckhoff CU2608

  • Page 1 Documentation CU2608 8-port Ethernet Switch with IP67 protection class Version: 2.0.0 Date: 2016-01-21...
  • Page 3: Table Of Contents

    Tightening torque for connectors .................... 11 Power cable ...........................  13 Conductor losses .......................... 13 LED indicators .......................... 15 Ethernet cable.......................... 16 4 Appendix .............................. 19 General operating conditions...................... 19 EtherCAT Box - accessories...................... 20 Support and Service ........................ 21 CU2608 Version: 2.0.0...
  • Page 4: Foreword

    XTS are registered trademarks of and licensed by Beckhoff Automation GmbH & Co. KG. Other designations used in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owners.
  • Page 5: Safety Instructions

    All the components are supplied in particular hardware and software configurations appropriate for the application. Modifications to hardware or software configurations other than those described in the documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH & Co. KG. Personnel qualification This description is only intended for trained specialists in control, automation and drive engineering who are familiar with the applicable national standards.
  • Page 6: Documentation Issue Status

    Foreword Documentation issue status Version Comment 2.0.0 - Migration 1.1.0 - Pin assignment for M12 socket added to introduction 1.0.0 - First public issue (technical data updated) 0.5.0 - draft Version: 2.0.0 CU2608...
  • Page 7: Product Overview

    Fig. 1: CU2608 8-port Ethernet switch in protection class IP67 The CU2608 Ethernet switch offers eight d-coded M12 Ethernet ports. Switches relay incoming Ethernet frames to the destination ports. In full duplex mode, they prevent collisions. They can be used universally in automation and office networks. It is installed either via two central 4 mm screws or two diagonally arranged 3 mm screws.
  • Page 8: Basic Function Principles

    2 ports can be used for Jumbo Frames at the same time. Jumbo Frames are not subject to standardization. It is therefore necessary to verify that the frames used by the application are supported by the CU2208. Version: 2.0.0 CU2608...
  • Page 9: Technical Data

    Product overview Technical data Technical data CU2608-0000 Bus system Ethernet (all IEEE 802.3-based protocols) Store-and-forward switching mode, unmanaged Number of Ethernet ports Ethernet interface 10BASE-T/100BASE-TX Ethernet with M12, d-coded Cable length up to 100 m CAT5, switches cascadable as required Baud rate 10/100 Mbit/s, IEEE 802.3u auto-negotiation,...
  • Page 10: Mounting And Cabling

    Dimensions (H x W x D) approx. 126 x 30 x 26.5 mm approx. 126 x 60 x 26.5 mm Weight approx. 125 g, depending on module approx. 250 g, depending on module type type Approvals CE, cULus Version: 2.0.0 CU2608...
  • Page 11: Mounting

    The mounting rail is 500 mm long and enables the installation of 15 narrow modules, with a distance of 2 mm between them. It can be shortened as required for your particular application. Tightening torque for connectors M8 connector We recommend fastening the M8 connector with a torque of 0.4 Nm. CU2608 Version: 2.0.0...
  • Page 12: Fig. 5 M8 Connector

    We recommend fastening the M12 connector with a torque of 0.6 Nm. Fig. 6: M12 connector Torque wrench Ensure the proper torque is used Use torque wrenches available from Beckhoff to tighten the connectors (see accessories [} 20])! Note Fig. 7: Torque wrench Version: 2.0.0...
  • Page 13: Power Cable

    ZK2020-3334-0010 1.00 m ZK2020-3334-0020 2,00 m ZK2020-3334-0050 5.00 m Further available power cables and the associated data sheets can be found in the Beckhoff catalogue or on our website (http://www.beckhoff.de). Technical data Data Rated voltage according to IEC61076-2-101 30 V...
  • Page 14: Fig. 8 Voltage Drop In The Power Supply Line

    Mounting and cabling Fig. 8: Voltage drop in the power supply line Example: 8 m power cable with 0.34 mm² cross-section has a voltage drop of 3.2 V at 4 A. Version: 2.0.0 CU2608...
  • Page 15: Led Indicators

    Mounting and cabling LED indicators Ethernet Fig. 9: LEDs CU2608 An LED for each of the eight channels shows the current status. Table 1: LEDs per channel Display Link No connection Connection available (link) flashing Data transfer (act) Supply voltage Fig. 10: Supply voltage...
  • Page 16: Ethernet Cable

    Mounting and cabling The peripheral voltage Up is not required in the CU2608 and is therefore passed through. Ethernet cable For connecting Ethernet devices, only use shielded Ethernet cables with a minimum specification of category 5 (CAT5) according to EN 50173 and ISO/IEC 11801.
  • Page 17: Fig. 12 Zk1090-6191-0Xxx

    1.0 m 2.0 m 2.5 m 5.0 m 10 m ZK1090-6292-00xxx: M12 socket - RJ45 connector, pre-assembled Fig. 13: ZK1090-6292-0xxx ZK1090-6292- 0005 0020 0050 0100 Length 0.5 m 10 m ZK1090-9191-00xxx: 2 x RJ45 connector, patch cable Fig. 14: ZK1090-9191-0xxx CU2608 Version: 2.0.0...
  • Page 18 1.0 m 2.0 m 3.0 m 4.0 m 5.0 m 10 m 15 m ZK1090-9191- 0200 0250 0300 0350 0400 0450 0500 Length 20 m 25 m 30 m 35 m 40 m 45 m 50 m Version: 2.0.0 CU2608...
  • Page 19: Appendix

    30 minutes at a depth of 1 m must not have any adverse effects *) These protection classes only define protection against ingress of water. Chemical resistance The resistance refers to the fieldbus box housing and the metal components used. CU2608 Version: 2.0.0...
  • Page 20: Ethercat Box - Accessories

    Torque socket wrench with ratchet for molded-on M8 connector ZB8800-0001 Ratchet for field-configurable M8 connector ZB8800-0002 Ratchet for molded-on M12 connector Further accessories You can find further accessories in the price list for fieldbus components from Beckhoff and on our website at www.beckhoff.de. Note Version: 2.0.0 CU2608...
  • Page 21: Support And Service

    Beckhoff's branch offices and representatives Please contact your Beckhoff branch office or representative for local support and service on Beckhoff products! The addresses of Beckhoff's branch offices and representatives round the world can be found on her internet pages: http://www.beckhoff.com You will also find further documentation for Beckhoff components there.
  • Page 22 M8 connector ..........................Fig. 6 M12 connector ........................... Fig. 7 Torque wrench........................... Fig. 8 Voltage drop in the power supply line..................Fig. 9 LEDs CU2608..........................Fig. 10 Supply voltage ........................... Fig. 11 ZK1090-6161-0xxx........................Fig. 12 ZK1090-6191-0xxx ........................Fig. 13 ZK1090-6292-0xxx ........................

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