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National Instruments GPIB-ENET/100 Getting Started

Ethernet-to-gpib controller for ni-488.2 for hp-ux
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GPIB
Getting Started with Your
GPIB-ENET/100 and
™
NI-488.2
for HP-UX
GPIB-ENET/100 for HP-UX
March 2001 Edition
Part Number 322987A-01

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  • Page 1 GPIB Getting Started with Your GPIB-ENET/100 and ™ NI-488.2 for HP-UX GPIB-ENET/100 for HP-UX March 2001 Edition Part Number 322987A-01...
  • Page 2 Singapore 2265886, Spain 91 640 0085, Sweden 08 587 895 00, Switzerland 056 200 51 51, Taiwan 02 2528 7227, United Kingdom 01635 523545 For further support information, see the Technical Support Resources appendix. To comment on the documentation, send e-mail to techpubs@ni.com Copyright © 2001 National Instruments Corporation. All rights reserved.
  • Page 3 The reader should consult National Instruments if errors are suspected. In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it.
  • Page 4 Classification requirements are the same for the Federal Communications Commission (FCC) and the Canadian Department of Communications (DOC). Changes or modifications not expressly approved by National Instruments could void the user’s authority to operate the equipment under the FCC Rules.
  • Page 5 Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. European Union - Compliance to EEC Directives Readers in the EU/EEC/EEA must refer to the Manufacturer's Declaration of Conformity (DoC) for information** pertaining to the CE Mark compliance scheme.

  • Page 6: Table Of Contents

    Installing the GPIB-ENET/100 Hardware ..............2-2 Step 1. Record the Serial Number, Ethernet Address, and Default Hostname ..................2-2 Step 2. Connect the Cables................2-3 Step 3. Switch on Your GPIB-ENET/100............2-4 Chapter 3 Ethernet Configuration Entering Network Configuration Mode .................3-1 Using the NI Ethernet Device Configuration Utility .............3-2 Changing the Network Settings...............3-4...
  • Page 7 Chapter 5 Verify the Installation Connecting the GPIB Cable ..................5-2 Chapter 6 Using Your GPIB-ENET/100 and NI-488.2 Using DHCP........................6-1 Using the CFG RESET Switch..................6-3 Using the CFG RESET Switch during Operation........... 6-3 Using the CFG RESET Switch at Power-On..........6-4 Updating the Firmware....................
  • Page 8 Contents Figures Figure 1-1. GPIB-ENET/100 Front Panel..............1-3 Figure 2-1. GPIB-ENET/100 Baseplate Identification Label ........2-2 Figure 2-2. GPIB-ENET/100 Rear Panel..............2-3 Figure 2-3. Connecting Power to the GPIB-ENET/100...........2-4 Figure 3-1. Example NI Ethernet Device Configuration Main Screen ....3-2 Figure 3-2. Example Properties Screen..............3-4 Figure 3-3.

  • Page 9: About This Manual

    About This Manual This manual contains instructions to help you install and configure the National Instruments GPIB-ENET/100 and NI-488.2 for HP-UX. The NI-488.2 software included in this kit is intended for use with Hewlett-Packard 9000 Series 700 workstations running HP-UX version 9.01 or higher.

  • Page 10: Related Documentation

    • ANSI/IEEE Standard 488.1-1987, IEEE Standard Digital Interface for Programmable Instrumentation • ANSI/IEEE Standard 488.2-1992, IEEE Standard Codes, Formats, Protocols, and Common Commands • ANSI/IEEE Standard 802.3-1988, Information Processing Systems, Local Area Networks, Part 3 GPIB-ENET/100 for HP-UX ni.com...

  • Page 11: Introduction

    Introduction This chapter lists what you need to get started and optional equipment you can order, and briefly describes the GPIB-ENET/100 hardware and NI-488.2 for HP-UX. What You Need to Get Started Before you install your GPIB-ENET/100 hardware and NI-488.2 for HP-UX, make sure you have all of the following items: ❑...

  • Page 12: Optional Equipment

    GPIB mechanical switch Multiple-Computer Software License A multiple-computer software license allows one or more hosts on a single physical network to access one or more GPIB-ENET/100 boxes. For information about ordering a software license, contact National Instruments. GPIB-ENET/100 Hardware Overview The GPIB-ENET/100 high-speed interface controls GPIB instruments across Ethernet networks.

  • Page 13: Feature Overview

    Internet to communicate with your GPIB instruments throughout the world. LED Overview Figure 1-1 shows the six light-emitting diodes (LEDs) on the GPIB-ENET/100. The LEDs are visible from the top and front of the unit. 1 Power/Ready LED 3 GPIB Port LEDs 2 Ethernet LEDs 4 Power Switch Figure 1-1.

  • Page 14: Ni-488.2 Overview

    Chapter 1 Introduction The LEDs show the current status of the GPIB-ENET/100. Table 1-1 describes each LED. Table 1-1. LED Descriptions Description PWR/RDY Flashes rapidly at start-up while performing self tests and when acquiring network parameters. A steady yellow state indicates the box is ready for operation.

  • Page 15: Time-Saving Development Software

    GPIB-ENET/100 and NI-488.2, you can use standard GPIB I/O functions in LabVIEW with your GPIB interface. If you already have LabVIEW and want to use it with your GPIB-ENET/100, refer to your product documentation for information about GPIB I/O functions. For ordering information, contact National Instruments.

  • Page 16: Installation

    /dev/floppy/c201d3s0 by entering the following command: instgpib ./instgpib Follow the instructions on your screen to complete the installation. After you install NI-488.2, you are ready to install the GPIB-ENET/100 hardware. © National Instruments Corporation GPIB-ENET/100 for HP-UX...

  • Page 17: Installing The Gpib-Enet/100 Hardware

    Step 1. Record the Serial Number, Ethernet Address, and Default Hostname When you configure the GPIB-ENET/100 for use on your network, you will need to differentiate it from other network devices. Every product has a unique serial number, Ethernet address, and default hostname.

  • Page 18: Step 2. Connect The Cables

    If you do not have an Ethernet cable, as listed in the What You Need to Get Started Note section of Chapter 1, Introduction, contact National Instruments for ordering information. Figure 2-2 shows the locations of the power, Ethernet, and GPIB connections on the rear panel of the GPIB-ENET/100.

  • Page 19: Step 3. Switch On Your Gpib-Enet/100

    NI-488.2. When you turn on the front-panel power switch, the PWR/RDY LED alternates rapidly between red and yellow while the GPIB-ENET/100 completes its power-on self-tests and attempts to acquire its network parameters. Each Ethernet and GPIB LED lights up as its functionality is tested.
  • Page 20 If at any time you want to return the GPIB-ENET/100 to its default configuration Note state as given on the baseplate label, press and hold the CFG RESET switch for three seconds while you switch the power on.

  • Page 21: Ethernet Configuration

    If the GPIB-ENET/100 is configured to use DHCP and DHCP is unavailable, the unit automatically enters network configuration mode after a 60 second timeout. The GPIB-ENET/100 must be in this mode before you can make changes to the network parameters.

  • Page 22: Using The Ni Ethernet Device Configuration Utility

    24-row display. To run the utility, complete the following steps: Enter the full path to the NI Ethernet Device Configuration utility, which is installed in the GPIB-ENET/100 utilities directory. The default path is as follows: <Install Directory>/GPIBENET100/EthernetConfig The NI Ethernet Device Configuration utility lists National Instruments Ethernet devices found on your subnet, sorted by model.
  • Page 23 Choose if you do not see your <R>efresh List of Devices GPIB-ENET/100 in the list of Ethernet devices, or to discover a device that you recently added to the subnet. Choose if you are using DHCP and you do not <E>xit Program...

  • Page 24: Changing The Network Settings

    Chapter 3 Ethernet Configuration Changing the Network Settings Your GPIB-ENET/100 must be in network configuration mode if you want to change its network settings. Any changes you make will not take effect while in normal operating mode. When you choose to view the device properties, the NI Ethernet Device Configuration utility displays a Properties screen for your GPIB-ENET/100, similar to Figure 3-2.

  • Page 25: Static Ip Parameters

    Configuration utility. The device automatically reboots with the new configuration in effect. Static IP Parameters If DHCP is not available, you must provide the GPIB-ENET/100 with several important network parameters. These parameters are listed below. • IP address—The unique, computer-readable address of a device on your network.

  • Page 26: Choosing A Static Ip Address

    For a Network Administered by a Network Administrator If you are adding the GPIB-ENET/100 to an existing Ethernet network, you must choose IP addresses carefully. Contact your network administrator to obtain an appropriate static IP address for your GPIB-ENET/100. Also have the network administrator assign the proper subnet mask, gateway, and DNS server addresses.

  • Page 27: Verifying The Hostname

    Review the list of devices to determine which one displays an (!) next to its IP address/hostname. Select the number that corresponds to the device to view its properties. © National Instruments Corporation GPIB-ENET/100 for HP-UX...

  • Page 28: Figure 3-3. Example Verification Error Message

    <3> Keep the existing hostname. Use this option if you wish to keep the previously assigned hostname. If you select this option, contact your network administrator to change the DNS entry. GPIB-ENET/100 for HP-UX ni.com...
  • Page 29 <Y>es in effect. After the device reboots, choose <R>efresh List of Devices verify that the hostname is now valid. If you are finished using the NI Ethernet Device Configuration utility, choose <E>xit Program © National Instruments Corporation GPIB-ENET/100 for HP-UX...

  • Page 30: Gpib Configuration

    The default path is as follows: <Install Directory>/ibconf displays a list of all the GPIB interfaces and device names, as ibconf shown in Figure 4-1. Context-sensitive online help is available to describe each configuration option. © National Instruments Corporation GPIB-ENET/100 for HP-UX...

  • Page 31: Figure 4-1. Example Ibconf Screen

    Figure 4-1. Example ibconf Screen can use a numerical IP address, a hostname, or a hostname alias to ibconf identify your GPIB-ENET/100. Contact your network administrator to determine which of these is appropriate and whether you need to modify your system file.

  • Page 32: Increasing The Allowed Number Of Boxes Or Devices (Optional)

    Increasing the Allowed Number of Boxes or Devices (Optional) NI-488.2 for HP-UX supports eight GPIB-ENET/100 boxes and 44 devices by default. If you want to use more GPIB-ENET/100 boxes or devices, you can use to create a new configuration file that will...

  • Page 33: Modifying The /Etc/Hosts System File

    However, if you want to use the hostname alias or your network does not use any form of hostname-to-IP address resolution, you must edit the file and add an entry for the GPIB-ENET/100. Create the /etc/hosts entry in the following format: Internet-address official-host-name aliases •...

  • Page 34: Verify The Installation

    Configuration, to verify your configuration settings. Follow these steps to run the software verification test. Ensure all GPIB cables are disconnected from the GPIB-ENET/100. Enter the full path to the GPIB software verification utility. The default path is as follows: <Install Directory>/ibtsta...

  • Page 35: Connecting The Gpib Cable

    Note section of Chapter 1, Introduction, contact National Instruments for ordering information. Connect one end of your GPIB cable to your GPIB-ENET/100 and tighten the thumb screws on the connector. Connect the other end of your GPIB cable to your GPIB system. Make sure you comply with all IEEE 488.1 cabling restrictions and use only shielded GPIB cables.

  • Page 36: Using Your Gpib-Enet/100 And Ni-488.2

    Using Your GPIB-ENET/100 and NI-488.2 This chapter lists some general programming requirements and describes how to use the following various options and programs available with the GPIB-ENET/100 and NI-488.2 for HP-UX: • Dynamic Host Configuration Protocol (DHCP) • Configuration Reset (CFG RESET) switch •...
  • Page 37 Chapter 6 Using Your GPIB-ENET/100 and NI-488.2 One possible failure can occur if the pool of available addresses contains no more unassigned IP addresses. This problem is evident if DHCP fails to work and the PWR/RDY LED continues to flicker for longer than 90 seconds at power on.

  • Page 38: Using The Cfg Reset Switch

    GPIB-ENET/100 is now in network configuration mode. This mode remains in effect until you switch off the GPIB-ENET/100 or you use the NI Ethernet Device Configuration utility to change its network characteristics. The GPIB-ENET/100 automatically reboots when you exit the utility.

  • Page 39: Using The Cfg Reset Switch At Power-On

    NI-488.2 for HP-UX and the GPIB-ENET/100 contains a firmware update utility you can use to access new features that may be added to the GPIB-ENET/100 in the future. It may be necessary to update the firmware to take advantage of these new features.
  • Page 40 The NI Ethernet Device Firmware Update utility cannot update the firmware while any network connections are active. Close any open connections before you attempt a firmware update. Hosts cannot connect to the GPIB-ENET/100 while it is updating the firmware. Complete the following steps to run the NI Ethernet Device Firmware Update utility.

  • Page 41: Using Ibic

    Chapter 6 Using Your GPIB-ENET/100 and NI-488.2 Figure 6-1 shows a successful execution of FirmwareUpdate Figure 6-1. Example FirmwareUpdate Execution Using ibic The NI-488.2 software includes the Interface Bus Interactive Control utility, . You can use to enter NI-488 functions and...

  • Page 42: Programming Considerations

    , is installed with the software for backward Note cib.o compatibility. National Instruments strongly recommends that you link with the GPIB library to ease transition to future upgrades. If you are using LabVIEW for your application, you do not need to add any files to implement GPIB.
  • Page 43 This appendix describes how to interpret the PWR/RDY LED error codes. PWR/RDY LED Overview The PWR/RDY LED has several purposes on the GPIB-ENET/100. When you first power on the unit, the PWR/RDY LED alternates rapidly between red and yellow while it completes its power-on self-tests and acquires network parameters.
  • Page 44 Step 3. Record Your Status Code Number When you have computed your error message number, write it down and also note the ON/OFF state of the LINK, TX, and RX LEDs. Have this information available when calling National Instruments. GPIB-ENET/100 for HP-UX ni.com...
  • Page 45 • If the PWR/RDY LED continues to flash rapidly after 90 seconds, the GPIB-ENET/100 is unable to obtain its IP address from the network. Check with your network administrator to verify your IP address and make sure that you recorded the Ethernet address correctly.
  • Page 46 /etc Common Questions Can I control the GPIB-ENET/100 and other GPIB interfaces from the same computer? This version of NI-488.2 supports only the GPIB-ENET/100 and GPIB-ENET. If you need to access other National Instruments GPIB interfaces, you must install NI-488.2 for the other interfaces.
  • Page 47 I just added a GPIB-ENET/100 to the network, but it does not show up in the NI Ethernet Device Configuration utility. What is the problem? Allow at least 15 seconds for the GPIB-ENET/100 to complete its power-on self tests before launching the utility or refreshing the display.
  • Page 48 My driver is not communicating with the GPIB-ENET/100. What should I do? Make sure that the GPIB-ENET/100 is configured properly. To isolate the problem, try to ping your GPIB-ENET/100 to make sure it is recognizable on the network. is a network utility that sends a packet to a...
  • Page 49 NI-488.2M Software Reference Manual. My I/O worked with a board interface, but it times out when I use the GPIB-ENET/100 interface. What should I do? Network communication is slower than straight cable communication. You might need to raise the timeout value using .
  • Page 50 Specifications This appendix describes the characteristics of the GPIB-ENET/100 and the transfer rates of the NI-488.2 software, along with the recommended operating conditions. Electrical Characteristics Input power requirements ...... 9–30 VDC Current requirements 9–30 VDC........425 mA maximum @ 15 VDC ........250 mA typical Environmental Characteristics Operating temperature......
  • Page 51 GPIB connector ........IEEE 488 standard 24 pin Network Specifications Connection type ........IEEE 802.3 compliant 100BaseTX (100 Mbits/s) 10BaseT (10 Mbits/s) Duplex mode...........Half duplex Actual speed may vary considerably from speed shown due to system, network, and instrumentation capabilities. GPIB-ENET/100 for HP-UX ni.com...
  • Page 52 Technical Support Resources Web Support National Instruments Web support is your first stop for help in solving installation, configuration, and application problems and questions. Online problem-solving and diagnostic resources include frequently asked questions, knowledge bases, product-specific troubleshooting wizards, manuals, drivers, software updates, and more. Web support is available through the Technical Support section of ni.com...
  • Page 53 Appendix D Technical Support Resources Worldwide Support National Instruments has offices located around the world to help address your support needs. You can access our branch office Web sites from the Worldwide Offices section of . Branch office Web sites provide ni.com...
  • Page 54 Dynamic Host Configuration Protocol Domain Name Server electromagnetic interference EEPROM Electrically Erasable Programmable Read Only Memory Federal Communications Commission grams GPIB General Purpose Interface Bus hertz input/output IEEE Institute of Electrical and Electronic Engineers inches © National Instruments Corporation GPIB-ENET/100 for HP-UX...
  • Page 55 Glossary Internet Protocol pounds light-emitting diode meters megabytes of memory network interface card seconds Transmission Control Protocol volts volts alternating current GPIB-ENET/100 for HP-UX ni.com...
  • Page 56 2-5 common questions, B-2 using with DNS, 3-4, 6-1 communication problems distance capabilities, 1-3 between driver and GPIB-ENET/100, B-4 with Ethernet Device Configuration if not supported, 3-4 utility, B-3 manually inserting hostname in DNS Configuration Reset switch.
  • Page 57 3-3, B-3, B-5 GPIB-ENET example (figure), 3-2 configuring, B-2 GPIB-ENET, B-4 replacing with GPIB-ENET/100, B-3 if GPIB-ENET/100 is not listed, B-3 GPIB-ENET/100 network configuration mode, 3-1 front panel (figure), 1-3 refreshing list of devices, 3-3, B-3 hardware overview, 1-2...
  • Page 58 2-2 installation verification, 5-1 National Instruments software installing LabVIEW, 1-5 Ethernet cable, 2-3 National Instruments Web support, D-1 getting started, 1-1 network administrator GPIB cable, 5-2 assigning IP parameters, 3-6 GPIB-ENET/100, 2-2 confirming DHCP availability, 2-4 NI-488.2, 2-1...
  • Page 59 (maximum), C-2 installing, 2-3 specifications types, 1-1 electrical characteristics, C-1 power requirements, C-1 environmental characteristics, C-1 powering on your GPIB-ENET/100, 2-4 network specifications, C-2 programming considerations, 6-7 physical characteristics, C-1 properties software characteristics, C-2 configuring, 3-4 static IP parameters...
  • Page 60 National voltage rating, C-1 Instruments, D-1 warning technical support resources, D-1 using firmware update utility, 6-4 timeout problems Web support from National Instruments, D-1 fixing, B-5 worldwide technical support, D-2 troubleshooting hardware problems, B-1 software problems, B-1 universal power supply...

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