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ESD electronic CAN-USB/2 Hardware Installation And Technical Data

Usb 2.0-can-interface
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CAN-USB/2
USB 2.0-CAN-Interface

Hardware Installation

and

technical Data

to Product C.2066.xx
Installation and technical Data CAN-USB/2 Rev. 1.0
esd electronic system design gmbh
Vahrenwalder Str. 207 • 30165 Hannover • Germany
www.esd-electronics.com • Fax: 0511/37 29 8-68
Phone: 0511/37 29 80 • International: +49-5 11-37 29 80

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Summary of Contents for ESD electronic CAN-USB/2

  • Page 1: Hardware Installation

    USB 2.0-CAN-Interface Hardware Installation technical Data to Product C.2066.xx Installation and technical Data CAN-USB/2 Rev. 1.0 esd electronic system design gmbh Vahrenwalder Str. 207 • 30165 Hannover • Germany www.esd-electronics.com • Fax: 0511/37 29 8-68 Phone: 0511/37 29 80 • International: +49-5 11-37 29 80...
  • Page 2 Germany Phone: +49-511-372 98-0 Fax: +49-511-372 98-68 E-mail: info@esd-electronics.com Internet: www.esd-electronics.com USA / Canada: esd electronics Inc. 525 Bernardston Road Suite 1 Greenfield, MA 01301 Phone: +1-800-732-8006 Fax: +1-800-732-8093 E-mail: us-sales@esd-electronics.com Internet: www.esd-electronics.us Installation and technical Data CAN-USB/2 Rev. 1.0...
  • Page 3 The changes in the document listed below affect changes in the hardware as well as changes in the description of facts only. Chapter Changes versus previous version First issue Technical details are subject to change without further notice. Installation and technical Data CAN-USB/2 Rev. 1.0...
  • Page 4 This page is intentionally left blank. Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 5: Table Of Contents

    6.4 CAN Transceiver Resistance Test ......... . . 18 Installation and technical Data CAN-USB/2 Rev. 1.0...
  • Page 6 This page is intentionally left blank. Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 7: Overview

    LEDs Figure 1.1: Block-circuit diagram of CAN-USB/2 module The CAN-USB/2 module is an intelligent CAN interface with an ARM LPC2292 micro controller for local CAN data management. The module supports the USB 2.0 Hi-Speed interface with data transfer rates of 480 Mbit/s.

  • Page 8: Case View With Led And Connector Description

    Overview 1.2 Case View with LED and Connector Description Figure 1.2.1: CAN Interface and LEDs Figure 1.2.2: USB Interface Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 9: Led-Displays

    5 V power supply is applied to the module LED300B flashes data is received or send on the CAN bus LED300A CAN interface is initialized, bit rates are set CAN Error occurred Table 1.3: Description of LED display Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 10: Hardware Installation

    CAN devices to whose network the CAN module is to be connected in this procedure. Connect the CAN-USB/2-module with the USB bus of the PC. Connect the CAN bus to the 9-pin male DSUB connector. Please remember that the CAN bus has to be terminated at both ends. esd offers T-connectors and terminators.

  • Page 11: Summary Of Technical Data

    PLX NET2272 USB-interface USB 2.0, bitrate up to 480 Mbit/s Microcontroller ARM LPC 2292 3 k x 16 bit SRAM, Memory 64 k x 16 bit flash EPROM Table 3.2: USB interface and microcontroller Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 12: Can Interface

    Electrical isolation of CAN- via digital isolators and DC/DC converters interfaces from other units Table 3.3: Data of CAN interface 3.4 Software Support For CAN-USB/2 drivers for Windows and Linux are available. Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 13: Order Information

    1*) If ordered together with the module, the manual is included in the shipment. 2*) This manual is liable for costs, please contact our support. Table 3.5: Order information Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 14: Connector Assignment

    CAN_GND ... reference potential of local CAN physical layer (CAN_GND) ... optional reference potential of local CAN physical layer Shield... Shielding (connected with case of 9-pin DSUB connector) reserved ... reserved for future applications Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 15: Usb-Socket

    Attention: The module may only be operated at USB nets with USB interface version numbers  1.1-interface! However, note that using versions earlier than 2.0 reduces the data transfer rate. Pin position: Pin Assignment: Signal Shell Shield USB socket (series B) Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 16: Correctly Wiring Electrically Isolated Can Networks

    CAN_L CAN_L n.c. n.c. n.c. n.c. n.c. n.c. CAN_GND CAN_H n.c. n.c. n.c. n.c. n.c. n.c. connector case connector case earth (PE) n.c. = not connected Figure: Structure and connection of wire Installation and technical Data CAN-USB/2 Rev. 1.0...
  • Page 17 CAN_GND has to be connected to the earth potential (PE) at exactly one point in the net!  each CAN user without electrically isolated interface works as an earthing, therefore: do not connect more than one user without potential separation!  Earthing CAN e.g. be made at a connector Installation and technical Data CAN-USB/2 Rev. 1.0...
  • Page 18 [Kbit/s] lengths l interface l 1000 666.6 333.3 66.6 1000 1400 1000 33.3 2000 3600 2500 12.5 5400 7300 5000 Table: Reachable wire lengths depending on the bit rate when using esd-CAN interfaces Installation and technical Data CAN-USB/2 Rev. 1.0...
  • Page 19 CB 620 (1 x 2 x 0.25 mm²) Order No.: 56202251 Germany CB 627 (1 x 2 x 0.25 mm²) Order No.: 06272251 (UL appr.) www.sab-brockskes.de Note: Completely configured CAN wires can be ordered from esd. Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 20: Can-Bus Troubleshooting Guide

    , please make sure that: - there are no open circuits in CAN_H or CAN_L wiring  - your bus system has two terminating resistors (one at each end) and that they are 120 each. Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 21: Can_H/Can_L Voltage

    2. Measure the DC resistance between Shield and ground. 3. Connect Shield wire to ground.  The resistance should be higher than 1 M . If it is lower, please search for additional grounding of the shield wires. Installation and technical Data CAN-USB/2 Rev. 1.0...

  • Page 22: Can Transceiver Resistance Test

    If it is lower than this range, the CAN transceiver is probably faulty. CAN-node CAN_H CAN_L CAN- Transceiver CAN_GND Disconnect Power CAN ! Disconnect Power ! Figure: Simplified diagram of a CAN node Installation and technical Data CAN-USB/2 Rev. 1.0...

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