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Echelon LONWORKS USB User Manual

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USB Network Interface
ON
ORKS
User's Guide
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0 7 8 - 0 2 9 6 - 0 1 B

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Summary of Contents for Echelon LONWORKS USB

  • Page 1 ® USB Network Interface ORKS User’s Guide ® 0 7 8 - 0 2 9 6 - 0 1 B...
  • Page 2 Parts manufactured by vendors other than Echelon and referenced in this document have been described for illustrative purposes only, and may not have been tested by Echelon. It is the responsibility of the customer to determine the suitability of these parts for each application.
  • Page 3 FCC Compliance Statement – Class B This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

  • Page 5: Welcome

    Welcome This document describes how to install and use Echelon’s U10 and U20 USB Network Interface products. The U10 and U20 USB Network Interfaces are low- cost, high-performance L interfaces for USB-enabled PCs and ORKS controllers. The U10 USB Network Interface connects directly to TP/FT-10 Free Topology Twisted Pair (ANSI/CEA-709.3) L...

  • Page 6: Table Of Contents

    • 128MB RAM or more as required by operating system • 10MB of available hard-disk space • Available USB 1.1 or 2.0 port Table of Contents Welcome ......................i Related Documentation .................. i System Requirements ..................i Table of Contents ...................ii Introduction .......................

  • Page 7: Introduction

    Introduction This chapter introduces the USB Network Interfaces, and describes how to install the software included with the USB Network Interfaces. USB Network Interface User’s Guide ORKS...

  • Page 8: Overview

    Overview The USB Network Interfaces are low-cost, high-performance L network ORKS interfaces for USB-enabled PCs and controllers. Designed for use in L ORKS control networks that require a PC for monitoring, managing and diagnosing the network, the USB Network Interfaces are ideal for industrial control, building automation, process control and transportation applications.

  • Page 9: Usb Network Interface Leds

    Figure 1.2 shows the U20 interface. The coupling circuit/power supply connection is on the right side of Figure 1.2, and the USB Series “A” plug is on the left side. Figure 1.2 U20 USB Network Interface USB Network Interface LEDs Each USB interface has three LEDs that you can use to determine the interface’s current state.

  • Page 10: Installing The Openldv Software

    Installing the OpenLDV Software You should install the OpenLDV software before connecting the USB interface to your PC. You must have Administrator privileges on your PC to perform the installation. To install the OpenLDV software, follow these steps: 1. Check that your PC meets the requirements listed in the System Requirements section on page i.

  • Page 11: Using The Usb Network Interface

    Using the USB Network Interface This chapter describes how to connect your PC to a network channel with a USB interface. It also describes how to configure, test and identify a USB interface with the Interfaces application in the Control Panel. ORKS USB Network Interface User’s Guide ORKS...

  • Page 12: Connecting The Usb Network Interface

    Connecting the USB Network Interface After you have installed the OpenLDV software, you can plug the USB interface into your PC and connect to a TP/FT-10 or PL-20 channel (as appropriate). To do so, follow these steps: 1. Insert the USB interface into an available USB port on your PC, with or without the included USB extension cable.

  • Page 13: Configuring A Usb Network Interface

    into a PC, even after they have been detached from the PC. This means that a particular USB interface will continue to use the same L network ORKS interface name (e.g. LON1 or LON2) once it has been inserted and recognized by your PC, regardless of how many USB interfaces are plugged into the PC, or in which order.
  • Page 14 2. Select the USB tab. You will see a list of the USB interfaces that are currently connected to your PC. If there are other non-USB interfaces attached to the PC, the first USB interfaces ORKS will not necessarily be named LON1. If you do not see at least one USB interface listed on the tab, consult Appendix B, Troubleshooting.
  • Page 15 3. Select the USB interface you want to configure and then click Properties. This opens the dialog shown in Figure 2.2. Figure 2.2 Properties Dialog 4. The Transceiver Type field only applies to U20 interfaces. Select PL- 20C if you must comply with the European CENELEC EN50065-1 regulations.
  • Page 16 Table 2.1 describes the default buffer configuration, as well as three other buffer configurations you could consider using. For more detailed information on buffer configurations, see the Allocating Buffers section in Chapter 8 of the Neuron C Programmer’s Guide. Table 2.1 Buffer Configurations Description Network Buffers Application Buffers...

  • Page 17: Testing A Usb Network Interface

    Testing a USB Network Interface To test or reset the USB interface, follow these steps: 1. On the USB tab, select the USB interface you want to test and then click Test. This opens the dialog shown in Figure 2.3. NOTE: You can only test a USB interface if it is not in use by another application.

  • Page 18: Identifying A Usb Network Interface

    • Click Service to send a service pin message to the network. • Click Reset to reset the interface. When you reset the interface, the statistic counts retrieved with Test will be set to • Click OK to exit the Test dialog and return to the USB tab.

  • Page 19: Alternate Power Line Coupling Circuit

    Appendix A Alternate Power Line Coupling Circuit Echelon includes either a US Plug or a Continental Europe Plug wall-plug coupling circuit/power supply with each U20 interface. For specialized applications, you can design your own coupling circuit/power supply, or for 10.8-18VDC systems, you can make a direct connection without any additional coupling.

  • Page 20: Alternate Power Line Coupling Circuit

    Alternate Power Line Coupling Circuit This appendix describes how to design a power supply and coupling circuit for the U20 interface. Before attempting to do so, you must carefully read and understand Chapter 4, Coupling Circuits, of the PL 3120 / PL 3150 Power Line Smart Transceiver Data Book.

  • Page 21: Step-Down Transformer

    The supplied wall-plug coupling circuit/power supply includes a step-down transformer and a 12uH-leakage coupling transformer. Two diodes are used to rectify the AC on the step-down side of the power transformer. The schematic for the wall-plug power supply is shown in Figure A.2. COUPLING TRANSFORMER COMBINED...

  • Page 22: 10.8-18Vdc Automotive Coupling

    Ferrite 2.1mm Bead DC Power Jack RXIN Front RXCOMP Figure A.3 Coupling Circuit and Power Supply Input Schematic This is the same circuit that is described for the Line-to-Neutral (L-to-N) Isolated Wall-Plug Power Supply/Coupler in the PL 3120 / PL 3150 Power Line Smart Transceiver Data Book.

  • Page 23: Custom Ac Isolated Coupling

    inductance between the power source and the power line devices. Small EMC capacitors across the line are acceptable as long as they meet the guidelines in Chapter 6, EMC Suppression Capacitor Value vs. Application, of the PL 3120 / PL 3150 Power Line Smart Transceiver Data Book. Custom AC Isolated Coupling For high voltage isolated coupling, you will essentially be building your own custom version of the supplied wall-plug power supply.
  • Page 24 COUPLING TRANSFORMER LINE NEUTRAL COMBINED VA SUPPLY/COUPLING >220uH >300mA DCR <1ohm Figure A.5 Isolated Coupling with Battery Supply USB Network Interface User’s Guide ORKS...

  • Page 25: Troubleshooting

    If the solutions in this appendix do not yield a working USB interface, contact Echelon Support at www.echelon.com/support. USB Network Interface User’s Guide...
  • Page 26 Repair. Follow the instructions to repair the software, and then re- insert the USB interface. • Check the support area on Echelon’s web site for an updated version of the OpenLDV Installer. The latest version of the OpenLDV Installer is available from http://www.echelon.com/downloads.
  • Page 27 If the Device Manager does not list Echelon USB Network Interface under the Universal Serial Bus Controllers item, check the support area on Echelon’s web site for an updated version of the OpenLDV Installer. The latest version of the OpenLDV Installer is available from http://www.echelon.com/downloads.

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