ESD CAN-PN Hardware Manual
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ESD CAN-PN Hardware Manual

Profinet io / can gateway
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CAN-PN
PROFINET IO / CAN Gateway
Hardware Manual
to Product C.2920.02
CAN-PN
Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1
Page 1 of 35
esd electronic system design gmbh
Vahrenwalder Str. 207 • 30165 Hannover • Germany
http://www.esd.eu • Fax: 0511/37 29 8-68
Phone: 0511/37 29 80 • International: +49-5 11-37 29 80

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  • Page 1 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 1 of 35 esd electronic system design gmbh Vahrenwalder Str. 207 • 30165 Hannover • Germany http://www.esd.eu • Fax: 0511/37 29 8-68 Phone: 0511/37 29 80 • International: +49-5 11-37 29 80...
  • Page 2 The information in this document has been carefully checked and is believed to be entirely reliable. esd makes no warranty of any kind with regard to the material in this document, and assumes no responsibility for any errors that may appear in this document. esd reserves the right to make changes without notice to this, or any of its products, to improve reliability, performance or design.
  • Page 3 Document file: I:\Texte\Doku\MANUALS\CAN\CAN-PN\Englisch\CAN-PN_Hardware_en_11.odt Date of print: 2009-09-30 Document type number: DOC0800 Firmware version: from Rev. 1.0 Document History The changes in the document listed below affect changes in the hardware as well as changes in the description of the facts, only.
  • Page 4 Do not open the housing of the device. It does not contain any serviceable parts and does not require any manual configuration of the hardware. Dismantling the housing by personnel which is not authorized by esd causes the loss of all warranty claims.

  • Page 5: Table Of Contents

    Assignment....................18 24V and CAN via InRailBus ....................19 PORT1, PORT2 - PROFINET IO..................20 5.4.1 Connector Assignment....................20 5.5 DIAG............................21 5.5.1 Default Settings of CAN-PN..................21 5.5.2 Connector Assignment....................21 Correctly Wiring Electrically Isolated CAN Networks..............22 CAN-Bus Troubleshooting Guide....................26 7.1 Termination..........................26 CAN_H/CAN_L-Voltage ......................27 7.3 Ground..........................27 CAN Transceiver Resistance Test ..................28...
  • Page 6 This page is intentionally left blank. Page 6 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...

  • Page 7: Overview

    24 V= Figure 1: Block circuit diagram The module CAN-PN can link any PROFINET IO-controller to a CAN network. The CAN-PN gateway itself operates as a PROFINET IO-device with a maximum of 256 bytes input data and 256 bytes output data on the PROFINET IO bus.

  • Page 8: Safety Instructions

    When working with CAN-PN follow the instructions and information about safety and conformity (see page 4) and read the manual carefully to protect yourself and the CAN-PN from damage. The intended use is the operation of the CAN-PN as PROFINET IO / CAN gateway.

  • Page 9: Hardware-Installation

    Hardware-Installation 2. Hardware-Installation 2.1 Connections Figure 2: Connections in operable state See also page 16 for signal assignments of the connectors. CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 9 of 35...

  • Page 10: Leds

    3x short green CAN Off (morse code "O") LED1D status flash short-long- CAN Warning (morse code "W") long CAN bus OK Table 1: Indication of the LEDs Page 10 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...
  • Page 11 Link green PROFINET IO or Ethernet connection exists. no PROFINET IO connection Activity yellow blinking configuration PROFINET IO connection active Table 2: Indication of the RJ-45-LEDs CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 11 of 35...

  • Page 12: Starting Up

    Read the safety instructions at the beginning of this document carefully before you start with the hardware installation! Mount the CAN-PN module and connect power supply voltage CAN bus and PROFINET-IO. Please remember that the CAN bus has to be terminated at both ends.

  • Page 13: Technical Data

    Table 3: General data of the module 4.2 Microcontroller Microcontroller ERTEC200, 150 MHz SDRAM: 32 MB Memory NOR-Flash: 4 Mbyte SPI-EEPROM 128Kbit Table 4: Microcontroller unit CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 13 of 35...

  • Page 14: Can Interface

    4.5 DIAG, Serial Interface via USB-Interface Type USB, Virtual COM Port USB-specification USB 2.0 Full Speed (12Mbit/s) Connector DIAG (X3), USB-socket type-B Table 7: Data of the USB interface Page 14 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...

  • Page 15: Order Information

    Type Properties Order No. PROFINET IO- CAN Gateway, CAN-PN C.2920.02 CAN 2.0A/B (11/29-Bit CAN-ID), GSD file Manuals: CAN-PN Manual in German CAN-PN-MD C.2920.20 (Hardware and software manual) CAN-PN Manual in English CAN-PN-ME C.2920.21 (Hardware and software manual) Table 8: Order information CAN-PN Hardware Manual •...

  • Page 16: Interfaces And Connector Assignments

    Phoenix Contact FKCT 2,5/4-ST, 5.0 mm pitch, spring-cage connection, Phoenix Contact order No.: 19 21 90 0 (included in the scope of delivery) Pin Position: Pin Assignment: Labelling of • • CAN-PN Do not Do not Signal connect! connect! (GND) (+ 24 V) Please, refer also to the connecting diagram on page 9.

  • Page 17: Can

    The CAN interface can be connected via CAN connector (X2) or optional via InRailBus. Use the mounting-rail bus connector of the CBX-InRailBus for the connection via the InRailBus, see order information in the appendix (page 29). CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 17 of 35...

  • Page 18: Connector Assignment

    The assignment of the 9- pin DSUB-connector is designed according to CiA DS-102. The assignment of the 5-pin Mini- COMBICON is designed according to CiA DR-303 Part 1 Page 18 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...

  • Page 19: And Can Via Inrailbus

    Use the mounting-rail bus connector of the CBX-InRailBus for the connection via the InRailBus, see order information in the appendix (page 29). Take notice of the instructions for connecting power supply and CAN signals via InRailBus in the appendix! CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 19 of 35...

  • Page 20: Port1, Port2 - Profinet Io

    Interfaces and Connector Assignments 5.4 PORT1, PORT2 - PROFINET IO An Ethernet-Switch and the Ethernet PHYs are integrated in the ERTEC200. The PROFINET IO ports PORT1 and PORT2 have got equal rights and no preferred direction. IO-Controller CAN-PN PROFINET IO-Device PROFINET PORT2 Ethernet...

  • Page 21: Diag

    Interfaces and Connector Assignments 5.5 DIAG The diagnosis interface (X3) is realised as Virtual COM Port via USB interface. 5.5.1 Default Settings of CAN-PN The default setting of the Virtual COM-Port is: Bit rate: 115 200 Baud Data bits: Parity:...

  • Page 22: Correctly Wiring Electrically Isolated Can Networks

    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 Page 22 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...
  • Page 23 Earthing  CAN_GND has to be conducted in the CAN wire, because the individual esd modules are electrically isolated from each other!  CAN_GND has to be connected to the earth potential (PE) at exactly one point in the net! ...
  • Page 24  Optical couplers are delaying the CAN signals. By using fast digital isolators and testing each board at 1 Mbit/s, esd modules typically reach a wire length of 37 m at 1 Mbit/s within a closed net without impedance disturbances like e.g. longer stub.
  • Page 25 74535 Mainhardt BUS-Schleppflex-PUR-C (1 x 2 x 0,25 mm²) Order No.: 94 025 016 (UL appr.) www.concab.de Note: Completely configured CAN wires can be ordered from esd. CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 25 of 35...

  • Page 26: Can-Bus Troubleshooting Guide

    - 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 Ω each. Page 26 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...

  • Page 27: Can_H/Can_L-Voltage

    Fig.: Simplified schematic diagram of ground test measurement The resistance should be higher than 1 M Ω. If it is lower, please search for additional grounding of the shield wires. CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 27 of 35...

  • Page 28: Can Transceiver Resistance Test

    CAN transceiver is probably faulty. Ω Ω CAN-node CAN_H CAN_L CAN- Transceiver CAN_GND Disconnect Power CAN ! Disconnect Power ! Figure.: Simplified diagram of a CAN node Page 28 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...

  • Page 29: Appendix Inrailbus (Option)

    Terninal plug of the CBX-InRailBus for the CAN-CBX-TBUS- connection of the +24V power supply voltage C.3000.03 Connection adapter and the CAN-Interface Male type Table 9: Order information CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 29 of 35...

  • Page 30: Connector Assignment

    CAN_GND ... reference potential of the local CAN-Physical layers P24... power supply voltage +24 V M24... reference potential FE... functional earth contact (EMC) (connected to mounting rail potential) Page 30 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...

  • Page 31: Using Inrailbus (Option)

    Note: This chapter describes the installation of the module using InRailBus for CAN-CBX- modules. For the CAN-PN module the following points apply accordingly . 8.4 Installation of the Module Using InRailBus-Connector If the CAN bus signals and the power supply voltage shall be fed via the InRailBus, please proceed as follows: Figure.
  • Page 32 Now the module is mounted on the mounting rail and connected to the InRailBus via the bus connector. Connect the bus connectors and the InRailBus, if not already done. Figure. 8: Mounted CAN-CBX module Page 32 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...

  • Page 33: Connecting Power Supply And Can Signals To Cbx-Inrailbus

    CBX station via 24V connector! A feed through of the +24 V power supply voltage can cause damage on the CBX modules. Figure. 10: Connecting the power supply voltage to the CAN-CBX station CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 33 of 35...

  • Page 34: Connection Of Can

    Note: It is possible to remove individual devices from the whole without interrupting the InRailBus connection, because the contact chain will not be interrupted. Page 34 of 35 Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 CAN-PN...
  • Page 35 Appendix InRailBus (Option) CAN-PN Hardware Manual • Doc. No.: C.2920.21 / Rev. 1.1 Page 35 of 35...

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