ESD CAN-USB/3-FD Hardware Manual
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ESD CAN-USB/3-FD Hardware Manual

Usb 2.0 module with can fd interface
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CAN-USB/3-FD
USB 2.0 Module with CAN FD Interface
Hardware Manual
to Product C.2076.62
CAN-USB/3-FD
Hardware Manual Doc. Nr.: C.2076.23 / Rev 1.0
Page 1 of 31
esd electronics gmbh
Vahrenwalder Str. 207 • 30165 Hannover • Germany
http://www.esd.eu
Phone: +49 (0) 511 3 72 98-0 • Fax: +49 (0) 511 3 72 98-68

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  • Page 1 CAN-USB/3-FD Hardware Manual Doc. Nr.: C.2076.23 / Rev 1.0 Page 1 of 31 esd electronics gmbh Vahrenwalder Str. 207 • 30165 Hannover • Germany http://www.esd.eu Phone: +49 (0) 511 3 72 98-0 • Fax: +49 (0) 511 3 72 98-68...
  • Page 2 design.
  • Page 3 The changes in the document listed below affect changes in the hardware as well as changes in the description of the facts, only. Rev. Chapter Changes versus previous version Date First English manual of CAN-USB/3-FD 2021-12-02 Technical details are subject to change without further notice. CAN-USB/3-FD Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0...
  • Page 4 This NOTICE statement contains the general mandatory sign and gives information that must be heeded and complied with for a safe use. INFORMATION INFORMATION Notes to point out something important or useful. Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 Page 4 of 31 CAN-USB/3-FD...

  • Page 5: Safety Instructions

    ● When working with the CAN-USB/3-FD follow the instructions below and read the manual carefully to protect yourself from injury and the CAN-USB/3-FD from damage. ● Do not use damaged or defective cables to connect the CAN-USB/3-FD and follow the CAN wiring hints in chapter: "Correct Wiring of Electrically Isolated CAN Networks".
  • Page 6 The intended use of the CAN-USB/3-FD is the operation as an USB 2.0-CAN-Interface. The guarantee given by esd does not cover damages which result from improper use, usage not in accordance with regulations or disregard of safety instructions and warnings.

  • Page 7: Table Of Contents

    Table of Contents Safety Instructions .......................... 5 1 Overview ............................ 9 1.1 Description of CAN-USB/3-FD ................... 9 1.2 Glossary ........................... 10 2 Case View with Connectors and LEDs ..................11 2.1 LED-Displays ........................12 3 Hardware Installation ........................ 13 4 Technical Data ......................... 14 4.1.1 General Technical Data ...................
  • Page 8 Table 4: Connectors, accessible from outside ................15 Table 5: Data of the CAN interface ....................15 Table 6: Recommended cable lengths at typical bit rates (with esd-CAN interfaces) ....25 Table 7: Order information hardware .................... 31 Table 8: Order information software for CAN-USB/3-FD-FD ............31 Table 9: Available Manuals ......................

  • Page 9: Overview

    LEDs Figure 1: Block circuit diagram The CAN-USB/3-FD module is a USB to CAN FD-interface that uses an ARM® Cortex®-M7 based microcontroller. The module supports the USB 2.0 high-speed interface with data rates of 480 Mbit/s. The supply voltage is fed via the USB bus.

  • Page 10: Glossary

    Controller Area Network Flexible Data-Rate Central Processing Unit CAN in Automation DSUB9 D-subminiature electrical connector with 9 positions Hardware Input/Output n.a. not applicable Operating System Software Development Kit Universal Serial Bus Page 10 of 31 Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD...

  • Page 11: Case View With Connectors And Leds

    See also from page 18 for signal assignments of the CAN connector and the USB connector. NOTICE Read chapter “Hardware Installation” on page 13, before you start with the installation of the hardware! Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD Page 11 of 31...

  • Page 12: Led-Displays

    CAN interface is initialized and in mode “Automatic Baud rate slow flashing Detection” (from firmware version 1.0.0.4 and CAN driver version (approx. 1 Hz) 2.5.2 on) Table 1: Description of LEDs Page 12 of 31 Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD...

  • Page 13: Hardware Installation

    Carefully read the safety instructions at the beginning of this document before you start with the hardware installation! Connect the CAN bus via the DSUB9 connector of the CAN-USB/3-FD as described in chapter “Correctly Wiring Electrically Isolated CAN Networks”. Please note that the CAN bus has to be terminated at both ends! esd offers special T-connectors and termination connectors for external termination.

  • Page 14: Technical Data

    USB interface USB Specification Rev. 2.0, bit rate 480 Mbit/s, USB controller integrated in CPU ARM Cortex-M7 (ATSAME70N20), 32-bit 300 MHz Table 3: USB interface and microcontroller Page 14 of 31 Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD...

  • Page 15: Connectors Accessible From Outside

    CAN to Host/System Ground;): 1kV DC @ 1s (I < 1 mA) Bus termination Terminating resistor has to be set externally, if required Table 5: Data of the CAN interface Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD Page 15 of 31...

  • Page 16: Software Support

    - 30 MB free HD drive space - esd CAN driver installed As part of the esd software development kit (CAN SDK) of the NTCAN-API the CAN Tools are included in delivery of the CAN-CD. The CAN SDK can also be downloaded free-of-charge from the esd website.

  • Page 17: License

    4.6 License The CAN-USB/3-FD uses the opensource FreeRTOS operating system. For the full license text please see esd's "3rd Party Licensor Notice"-document, that is part of the product's documentation on the enclosed CD. Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0...

  • Page 18: Connector Assignments

    CAN_GND reference potential of the local CAN physical layer Shield shielding (connected with the case of the 9-pin DSUB connector and with the case of CAN-USB/3-FD) Reserved reserved for future applications, do not connect! Page 18 of 31 Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0...

  • Page 19: Usb Socket

    D+, D-... USB signal lines Data+, Data- GND... Reference potential Shield Shielding (connected with the case of the USB connector and with the case of the CAN-USB/3-FD) Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD Page 19 of 31...

  • Page 20: Correct Wiring Of Electrically Isolated Can Networks

    Therefore, the practical maximum number of nodes, bus length and stub length are typically much lower. esd has concentrated her recommendations concerning CAN wiring on the specifications of the ISO 11898-2. Thus, this wiring hints forgoes to describe the special features of the derived standards CANopen, ARINC825, DeviceNet and NMEA2000.

  • Page 21: Light Industrial Environment (Single Twisted Pair Cable)

    6.2.1 General Rules NOTICE esd grants the EU Conformity of the product, if the CAN wiring is carried out with at least single shielded single twisted pair cables that match the requirements of ISO 11898-2. Single shielded double twisted pair cable wiring as described in chapter 6.3 ensures the EU Conformity as well.

  • Page 22: Cabling

    ● 9-pin DSUB-termination connectors with integrated termination resistor and contact pins and socket contacts are available from esd (order no. C.1303.01). ● DSUB termination connectors with pin contacts (order no. C.1302.01) or socket contacts (order no. C.1301.01) and additional functional earth contact are available, if CAN termination and grounding of CAN_GND is required.

  • Page 23: Heavy Industrial Environment (Double Twisted Pair Cable)

    Select a working combination of bit rate and cable length. Keep away CAN cables from disturbing sources. If this can not be avoided, double shielded cables are recommended. Figure 6: CAN wiring for heavy industrial environment Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD Page 23 of 31...

  • Page 24: Device Cabling

    CAN bus line via short cable stubs. This is normally realised by so called T- connectors. When using esd's CAN-T-Connector (order no.: C.1311.03) it should be noted that the shield potential of the conductive DSUB housing is not looped through this T- Connector type.

  • Page 25: Electrical Grounding

    5000 Table 6: Recommended cable lengths at typical bit rates (with esd-CAN interfaces) Optical couplers are delaying the CAN signals. esd modules typically reach a wire length of ● 37 m at 1 Mbit/s within a proper terminated CAN network without impedance disturbances like e.g.

  • Page 26: Examples For Can Cables

    Correct Wiring of Electrically Isolated CAN Networks 6.6 Examples for CAN Cables esd recommends the following two-wire and four-wire cable types for CAN network design. These cable types are used by esd for ready-made CAN cables, too. 6.6.1 Cable for Light Industrial Environment Applications (Two-Wire)

  • Page 27: Can Troubleshooting Guide

    CAN_H or CAN_L wiring your bus system has two terminating resistors (one at each end) and that they are 120 Ω each. Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD Page 27 of 31...

  • Page 28: Electrical Grounding

    (see figure at previous page). Measure the DC voltage between CAN_L and CAN_GND (see figure at previous page). Normally the voltage should be between 2.0 V and 3.0 V. Page 28 of 31 Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD...

  • Page 29: Can Transceiver Resistance Test

    If you have executed the fault diagnostic steps of this troubleshooting guide and you even can not find a solution for your problem our support department will be able to assist. Please contact our support via email at support@esd.eu or by phone +49-511-37298-130. Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0...

  • Page 30: Declaration Of Conformity

    Declaration of Conformity 8 Declaration of Conformity Page 30 of 31 Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0 CAN-USB/3-FD...

  • Page 31: Order Information

    Table 9: Available Manuals Printed Manuals If you need a printout of the manual additionally, please contact our sales team (sales@esd.eu) for a quotation. Printed manuals may be ordered for a fee. Hardware Manual Doc. Nr.: C.2076.23 / Rev. 1.0...

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