Proconx CAN-ETH User Manual
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Proconx CAN-ETH User Manual

Can/ethernet gateway
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CAN-ETH
CAN/Ethernet
gateway
User manual
UMCANETH-1901

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Summary of Contents for Proconx CAN-ETH

  • Page 1 CAN-ETH CAN/Ethernet gateway User manual UMCANETH-1901...
  • Page 2 Pty Ltd. CANopen is a registered trademark of CAN in Automation e.V. All other product and brand names mentioned in this document may be trademarks or registered trademarks of their respective owners.

  • Page 3: Table Of Contents

    IP setup using a terminal program like HyperTerminal ........12 Temporarily changing the IP settings on your PC ..........13 5 Web browser based management ................. 15 Connecting to the CAN-ETH ................15 Monitoring and diagnostic ................16 Device status ....................16 CAN communication status ................
  • Page 4 5.2 Overview page ....................16 5.3 CAN communication status page ................ 17 5.4 About page ......................18 5.5 Ethernet and IP settings page ................19 5.6 IP settings changed confirmation ................ 20 5.7 Restart device page ..................... 20 5.8 Restart confirmation page ................... 21 6.1 Structure of encapsulated CAN messages ............

  • Page 5: Important User Information

    • Apply appropriate personal protective equipment and follow safe electrical practices. • Turn off all power supplying the equipment in which the CAN-ETH is to be installed before installing, wiring or removing the CAN-ETH. • Always use a properly rated voltage sensing device to confirm that power is off.

  • Page 6: Document Conventions

    Document conventions Throughout this manual we use the following symbols and typefaces to make you aware of safety or other important considerations: Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation that, if not avoided, could result in damage to equipment.

  • Page 7: Introduction

    Introduction Chapter 1. Introduction The CAN-ETH is a CAN to Ethernet gateway specifically designed to interface CAN networks with TCP/IP networks. The gateway features a CAN and an Ethernet port and can be mounted on a DIN rail. It encapsulates CAN messages into UDP packets and transports them via Ethernet.

  • Page 8: Features

    Features The CAN-ETH gateway provides the following key features: • UDP encapsulation for CAN messages • Peer-to-peer mode • Broadcast mode • 8 CAN receive filters • Low configuration overhead, just an IP address and CAN bitrate to set-up • Embedded web server for easy configuration and commissioning using a web browser •...

  • Page 9: Description

      CAN connector LED indicators Four LEDs located at the front panel indicate the status of the CAN-ETH. The LEDs assist maintenance personnel in quickly identifying wiring or communication errors. A LED test is exercised at power-up, cycling each LED off, green and then red for approximately 0.25 seconds.
  • Page 10 The following table outlines the indicator condition and the corresponding status after the power-on self-test has been completed: Function Condition Indication Power Power No power applied to the device. Green Power supply OK Link Ethernet link No Ethernet link Green Ethernet link OK Status1 Device status...

  • Page 11: Installation

    Regulatory notes 1. The CAN-ETH is suitable for use in non-hazardous locations only. 2. The CAN-ETH is not authorized for use in life support devices or systems. 3. Wiring and installation must be in accordance with applicable electrical codes in accordance with the authority having jurisdiction.

  • Page 12: Din Rail Mounting And Removal

    DIN rail mounting and removal The CAN-ETH gateway is designed to be mounted on a 35 mm DIN rail according to DIN/ EN 50022. The enclosure features a 35 mm profile at the back which snaps into the DIN rail.

  • Page 13: Powering The Can-Eth

    • Make sure there is sufficient air ventilation and clearance to other devices mounted next to the unit. • Observe applicable local regulations like EN60204 / VDE0113. Powering the CAN-ETH Before connecting power please follow the rules in the section called “Safety Precau- tions” and the section called “Before connecting anything”.

  • Page 14: Connecting Ethernet

    • The network must be terminated at both ends with its characteristic impedance, typically a 120 Ohm 1/4 W resistor. • Maximum number of electrically connected CAN nodes is 64 • Maximum CAN cable length is 250 m (820 ft) and is derated depending on bit rates and cable type.

  • Page 15: Diagnostic Port Connector Pinout

    • The shield must not be connected to the GND pin. To connect the CAN-ETH to a PC (Personal Computer) or any other device with data terminal equipment (DTE) pinout you need a null-modem or cross-over cable.
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  • Page 17: Ethernet & Ip Configuration

    “Temporarily changing the IP settings on your PC”). In order to connect to the CAN-ETH via TCP/IP, your PC must be on same IP subnet as the gateway. In most situations this means that the first three numbers of the IP address have to be identical.

  • Page 18: Ip Setup Using A Terminal Program Like Hyperterminal

    IP setup using a terminal program like HyperTerminal 1. Connect a null modem RS-232 cable between your PC and the CAN-ETH's diagnostic port. 2. In Windows XP, click Start, point to All Programs, point to Accessories, point to Communications, and then click HyperTerminal.

  • Page 19: Temporarily Changing The Ip Settings On Your Pc

    This method involves manually assigning an IP address to your PC in the same subnet as the gateway. The default subnet of the gateway is 169.254.0.0/16. 1. Connect the CAN-ETH to your Ethernet network. 2. On a Windows PC, open the Control Panel and double-click on Network Connections.
  • Page 20 8. Click Configuration… and then Ethernet & IP in the menu on the left side of the page. 9. Enter the IP address, subnet mask, and gateway address assigned to your CAN-ETH, then click Save. 10.Restore your computer’s original settings.

  • Page 21: Web Browser Based Management

    Web browser based management Chapter 5. Web browser based management The CAN-ETH incorporates an embedded web server. This allows you to connect to the device and monitor and configure it using a web browser. Most browsers should work, provided they support JavaScript. We recommend Internet Explorer 6.0 or higher.

  • Page 22: Monitoring And Diagnostic

    In order to connect to the CAN-ETH via TCP/IP, your PC must be on same IP subnet as the gateway. In most situations this means that the first three numbers of the IP address have to be identical. Monitoring and diagnostic The CAN-ETH offers several web pages which allow monitoring of the status of the different communication networks and the device performance.

  • Page 23: Can Communication Status

    CAN’s built in fault confinement mechanism has set the node to bus-off state due to excessive errors on the CAN bus. This alarm indicates a wiring error. The CAN-ETH will not transmit or receive any message on the CAN bus once entered this state. The device needs to be manually restarted on order to recover from this fault.

  • Page 24: Finding The Firmware Version And Serial Number

    WAIT The presence of a supported Woodward CANopen based control has been detected however the CAN-ETH is currently waiting to receive a complete visualisation data set. TIME-OUT No CANopen PDO was received for a period of 1 second. A Woodward control must be configured to transmit cyclically visualisation data using a TXPDO with a specific COB-ID number and the correct Data Protocol.

  • Page 25: Configuring And Commissioning

    Web browser based management Serial number The serial number of the CAN-ETH. The serial number is specific to your device. Configuring and commissioning The configuration pages are accessed by clicking on the Configuration… menu entry on the menu bar which then expands a configuration sub-menu. All configuration settings are kept in the device' non-volatile memory.

  • Page 26: Configuring Can And Canopen

    Configuring CAN and CANopen The CAN-ETH gateway itself does not require any CANopen configuration. No Node-ID is allocated for the CAN-ETH because it operates as a CANopen consumer and client only. However the CANopen settings of the connected Woodward controls must be configured accordingly.
  • Page 27 Web browser based management Click on the Restart button to perform a restart of the device. The restart is confirmed with the following notification: Figure 5.8: Restart confirmation page Please allow a few seconds before continuing working with the device as it has to fully start-up first, before being able to respond to further web browser requests.
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  • Page 29: Protocol Description

    Protocol Description Chapter 6. Protocol Description The CAN-ETH gateway sends and receives CAN frames via TCP/IP using UDP datagrams. UDP was chosen over TCP as UDP is similar to CAN, a connectionless protocol. The implemented protocol is conceptually easy to understand, easy to implement, efficient and gives high performance.

  • Page 30: Example

    Example The CAN message 18h 22h 3Ah 8Fh 77h 12h 88h 7Dh with identifier 181h is encoded as shown in this example: Position Value Description The ASCII character "I" The ASCII character "S" The ASCII character "O" The ASCII character "1" The ASCII character "1"...

  • Page 31: Decommissioning

    1. Ensure that the system power and external supplies have been turned off. 2. Disconnect power supply plug. 3. Disconnect all I/O cables. 4. Remove the CAN-ETH from the DIN rail following the procedure described in the section called “DIN rail mounting and removal”. Disposal This product must be disposed of at a specialized electronic waste recycling facility.
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  • Page 33: A Specifications

    Specifications Appendix A.  S pecifications CAN-ETH Product name Interfaces Ethernet Serial ports 1 for diagnostics (RS-232) User interface LED indicators Power (green), Ethernet link (green), 2 status (bi-color red/green) Monitoring & configuration Web browser based Diagnostic High availability features Watchdog supervision, brown-out detection...

  • Page 34: Dimensions

    Radiated RF EN 61000-4-3 Fast transients EN 61000-4-4 Conducted RF EN 61000-4-6 Enclosure Material Self-extinguishing PC/ABS blend (UL 94-V0) Mounting 35 mm DIN rail (EN 60715) Classification / Type rating IP 20 / NEMA Type 1 Cooling Convection Environmental Operating temperature 0 to 60 °C / 32 to 140 °F Storage temperature -25 to 85 °C / -13 to 185 °F...

  • Page 35: Glossary

    Glossary Glossary EIA-574 Standard for the pinout of serial D-sub connectors. 10BASE-T 10 Mbit/s twisted pair Ethernet standard. Electromagnetic compatibility Standardized in IEEE 802.3i. APIPA Electromagnetic interference Automatic Private IP Addressing Controller area network. Standardized in ISO European standard 11898. CANopen Electrostatic discharge Internationally standardized (EN 50325-4)
  • Page 36 used to restrict transmissions to certain Ingress Protection Rating according IEC subnets. 60529. Standard for various grades of Switch electrical enclosures. A device that facilitates transmissions IP address between nodes in a star-formed network A numeric address used by computer hosts TCP/IP to transmit and receive information over the Transport...

  • Page 37: Index

    Index Index Ethernet, 8, 19 settings, 19 faults, 16 About, 18 features, 2 ACTIVE, 17 Firmware version, 18 APIPA, 11 Gateway address, 20 Brown out reset, 16 grounding, 5 BUS-OFF, 17 Hardware version, 18 cable HyperTerminal, 12 RS-232, 9 cable length CAN, 8 Ethernet length, 8 settings, 11, 20...
  • Page 38 remote restart, 20 removal, 6 Reset to factory defaults, 16 restart, 20 RJ-45, 8 RS-232, 9 run-time faults, 16 Serial number, 19 settings Ethernet, 19 IP, 11, 20 shield, 8, 9 shielding, 5 shock, 6 Specifications, 27 storage, 5 Stub connections, 8 Subnet mask, 19 supply voltage, 7 temperature...
  • Page 39 Notes Notes UMCANETH-1901...
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