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National Instruments GPIB-ENET, Getting Started

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National Instruments GPIB-ENET Getting Started Download Page 16

Chapter 1

Introduction

GPIB-ENET for Windows 95/98

1-4

©

 National Instruments Corporation

Figure 1-1 shows the seven light-emitting diodes (LEDs) on the 
GPIB-ENET top panel. The LEDs show the current status of the 
GPIB-ENET. Table 1-1 describes each LED.

Figure 1-1.  GPIB-ENET Top Panel and LEDs

Table 1-1.  LED Descriptions

LED

Indication

POWER

Indicates that power has been supplied to the unit and 
the ON/OFF switch is in the ON position.

READY

Indicates the functional state of the GPIB-ENET. 
When the GPIB-ENET is powered on, this LED 
flashes and then becomes steady when the box is 
ready for operation. Continuous flashing indicates an 
error has occurred.

TALK

Indicates that the GPIB-ENET is configured as a 
GPIB Talker.

LISTEN

Indicates that the GPIB-ENET is configured as a 
GPIB Listener.

TRANSMIT

Indicates that the GPIB-ENET is transmitting onto the 
Ethernet network.

RECEIVE

Indicates that the GPIB-ENET is receiving Ethernet 
network traffic.

LINK

Indicates that the GPIB-ENET has detected a twisted 
pair (10Base-T) link. For GPIB-ENET coax and AUI 
options, this LED is not used and remains OFF.

ETHERNET

IEEE 488 Controller

Ethernet AUI

Connector

GPIB

Connector

Location of Coax or

10Base-T Connector

(Depending on Version)

Summary of Contents for GPIB-ENET

Page 1: ...Started with Your GPIB ENET and the GPIB Software for Windows 95 98 GPIB ENET for Windows 95 98 June 1998 Edition Part Number 321243C 01 Copyright 1997 1998 National Instruments Corporation All rights reserved ...

Page 2: ...elgium 02 757 00 20 Brazil 011 288 3336 Canada Ontario 905 785 0085 Canada Québec 514 694 8521 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico 5 520 2635 Netherlands 0348 433466 Norway 32 84 84 00 Singapore 2265886 Spain 91 640 0085 Sweden 08 730 49 70 Switzerland...

Page 3: ...PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any dela...

Page 4: ...al area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Notices to User Changes or modifications not expressly approved by National Instruments could void the user s authority to operate the equipment under the FCC Rules This device complies with the FCC rules only if used with shielded interface cables of suitable qual...

Page 5: ...ftware Overview 1 5 Time Saving Development Tools 1 5 Chapter 2 Installation and Configuration Install the GPIB Software 2 1 Install the GPIB ENET Hardware 2 3 Configure the Software and Hardware 2 5 Step 1 Determine IP and Ethernet Addresses 2 5 Step 2 Configure the GPIB Software Characteristics 2 6 Configure the GPIB Interface 2 6 Configure the Network Addresses 2 7 Configure the Device Template...

Page 6: ...neral Programming Considerations 4 3 Appendix A Uninstall the Hardware and Software Uninstalling the Hardware A 1 Uninstalling the Software A 2 Appendix B GPIB ENET 8 Bit DIP Switch 8 Bit DIP Switch Descriptions B 2 Appendix C READY LED Signaling READY LED Overview C 1 Step 1 Count the Long Flashes C 1 Step 2 Count the Short Flashes C 2 Step 3 Record Your Status Code Number C 2 Appendix D Troubles...

Page 7: ... Questions D 6 Appendix E Specifications Hardware Characteristics E 1 Software Transfer Rate E 2 Appendix F Customer Communication Glossary Figures Figure 1 1 GPIB ENET Top Panel and LEDs 1 4 Figure 2 1 Add Remove Programs Properties Dialog Box 2 2 Figure 2 2 GPIB Software Setup Screen 2 3 Figure 2 3 Add New Hardware Wizard Hardware Selection 2 4 Figure 2 4 GPIB ENET Bottom Panel Identification La...

Page 8: ...GPIB ENET Back Panel Switches B 1 Tables Table 1 1 LED Descriptions 1 4 Table B 1 DIP Switch Settings for Modes of Operation B 2 Table C 1 Sample READY LED Signals and the Corresponding Status Code Numbers C 3 Table E 1 Electrical Characteristics E 1 Table E 2 Environmental Characteristics E 1 Table E 3 Physical Characteristics E 2 Table E 4 GPIB Software Transfer Rate for the GPIB ENET E 2 ...

Page 9: ... an Ethernet network Before you can use the driver software for the GPIB ENET you must already have a Windows Sockets WinSock Interface version 1 1 or later installed Microsoft provides a WinSock Interface with Windows Additionally you can use a WinSock Interface purchased from another network vendor How to Use the Manual Set GPIB User Manual for Win32 Application Development and Examples Novice U...

Page 10: ...s how to install and configure the GPIB ENET hardware and the GPIB software Chapter 3 Verify the Installation describes how to verify that the hardware and software are functioning correctly Chapter 4 Begin to Use the GPIB Software helps you get started with the GPIB software Appendix A Uninstall the Hardware and Software describes how to uninstall your GPIB ENET and the GPIB software Appendix B G...

Page 11: ...or a system crash This icon to the left of bold italicized text denotes a warning which advises you of precautions to take to avoid being electrically shocked bold Bold text denotes the names of menus menu items parameters dialog boxes dialog box buttons or options icons windows Windows tabs or LEDs bold italic Bold italic text denotes a note caution or warning bold monospace Bold text in this fon...

Page 12: ...88 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 Microsoft Windows 95 98 Online Help Microsoft Corporation Additionally you might need to refer to the documentation provided by your WinSock vendor C...

Page 13: ...describes the GPIB ENET hardware and the GPIB software How to Use This Manual Yes No Gather What You Need to Get Started Chapter 2 Chapter 3 Chapter 4 User Manual and Function Reference Manual Chapter 1 Write Application Program Passes Install the Software and Hardware Configure the Software and Hardware Verify the Installation Run Interactive Control Utility Review Programming Considerations Trou...

Page 14: ...ne of the following power cords which is included in your kit U S A standard power cord Switzerland power cord Australian power cord Universal European power cord North American power cord U K power cord The following 3 5 in high density 1 44 MB disks which are included in your kit GPIB Software for Windows 95 98 Disk 1 of 2 GPIB Software for Windows 95 98 Disk 2 of 2 One of the following shielded...

Page 15: ...r isolator GPIB mechanical switch GPIB ENET Hardware Overview The GPIB ENET transparently handles data transfers between an Ethernet based TCP IP host and the GPIB With the GPIB ENET multiple hosts can share a set of GPIB instruments or a single host can control several GPIB systems The GPIB ENET converts a computer equipped with the GPIB software and an Ethernet port into a GPIB Talker Listener C...

Page 16: ...is powered on this LED flashes and then becomes steady when the box is ready for operation Continuous flashing indicates an error has occurred TALK Indicates that the GPIB ENET is configured as a GPIB Talker LISTEN Indicates that the GPIB ENET is configured as a GPIB Listener TRANSMIT Indicates that the GPIB ENET is transmitting onto the Ethernet network RECEIVE Indicates that the GPIB ENET is rec...

Page 17: ...munications and bus management capability The GPIB software includes the following components Device driver Diagnostic utility Configuration utility Interactive control program Utilities for software development Language interface libraries for Microsoft Visual C C 2 0 or later Borland C C 4 0 or later and Microsoft Visual Basic 4 0 or later Example programs that use NI 488 functions and NI 488 2 ...

Page 18: ...that it combines an interactive easy to use development approach with the programming power and flexibility of compiled ANSI C code The GPIB Analyzer is another optional tool available from National Instruments that is useful in troubleshooting a variety of IEEE 488 hardware and software problems With its built in time stamping capability you can easily determine the throughput and overhead of you...

Page 19: ...PIB ENET hardware and the GPIB software Install the GPIB Software Before installing the GPIB ENET hardware complete the following steps to install the GPIB software 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet A dialog box similar to the one in Figure 2 1 appears ...

Page 20: ...same applet to uninstall the software at a later time Refer to Appendix A Uninstall the Hardware and Software for more information 3 Click on the Install button 4 Insert the GPIB Software for Windows 95 98 Disk 1 of 2 and click on the Next button to proceed 5 The software installation wizard begins with the screen shown in Figure 2 2 Click on the Next button to proceed with installation ...

Page 21: ...You can exit the setup if necessary by choosing Cancel 6 When the setup is complete restart Windows Proceed to the next section Install the GPIB ENET Hardware Install the GPIB ENET Hardware Use the Add New Hardware Wizard to inform Windows about the new hardware you are about to install in your system 1 Select Start Settings Control Panel 2 Launch the Add New Hardware Wizard by double clicking on ...

Page 22: ...xt button in the next Add New Hardware Wizard dialog box b In the next dialog box check No the device isn t in the list then click on the Next button to continue c In the next dialog box check No I want to select the hardware from a list then click on the Next button to continue 5 The next Add New Hardware Wizard dialog box lets you select the type of hardware you want to install Select the Other ...

Page 23: ...e network and host When you first install a GPIB ENET in a network or if the IP address for the GPIB ENET changes you must configure the GPIB ENET IP address 1 Note the Ethernet address from the identification label on the bottom panel of the GPIB ENET The Ethernet address is not the same as the IP address All devices on an Ethernet network are assigned a physical address the Ethernet address so t...

Page 24: ...y right clicking on any of the controls on the configuration utility tabs includes all of the information that you need to configure the GPIB software properly Configure the GPIB Interface To begin to configure the GPIB software double click on the System icon under Start Settings Control Panel In the System Properties dialog box that appears select the Device Manager tab click on the View devices...

Page 25: ...ure 2 5 GPIB Settings Tab for the GPIB ENET Configure the Network Addresses The Network Settings tab shown in Figure 2 6 provides information about the network addresses assigned to the GPIB interface Enter the IP Address reserved by your network administrator in the IP address box on the Network Settings tab ...

Page 26: ...Each utility includes built in context sensitive online help Configure the Device Templates If you want to examine or modify the logical device templates for the GPIB software double click on the System icon under Start Settings Control Panel In the System Properties dialog box that appears select the Device Manager tab click on the View devices by type button at the top of the tab scroll down to ...

Page 27: ...IB ENET Operating Characteristics The GPIB ENET has a two position slide switch that you use to configure the network interface connector of the box The GPIB ENET also has an 8 bit DIP switch used to configure the operating characteristics The switches are located on the back panel of the GPIB ENET as shown in Figure 2 8 Figure 2 8 GPIB ENET Back Panel Switches 10BASE T AUI 8 7 6 5 4 3 2 1 ON ...

Page 28: ...uration If you want to use the AUI connector change the switch setting to match the appropriate setting as shown in Figure 2 10 Figure 2 10 Switch Setting for AUI Ethernet Port Configuration Configure the 8 Bit DIP Switch The 8 bit DIP switch selects the operating mode of the GPIB ENET The GPIB ENET is shipped to you with the DIP switches set for normal operation mode In normal operation mode all ...

Page 29: ... voltage Step 5 Switch on Your GPIB ENET Caution Operating the GPIB ENET at any voltage other than the one specified could damage the unit The GPIB ENET is shipped from the factory with either a 100 120 VAC or 220 240 VAC power supply Before you configure your GPIB ENET verify that the voltage rating listed on the bottom of the box matches the voltage that is supplied in your area Assign IP Addres...

Page 30: ...click on the OK button g Reboot your computer when prompted After your computer has rebooted you may run the Assign IP Address utility 2 To run the Assign IP Address utility a Select Start Settings Control Panel b Double click on the System icon c In the System Properties dialog box that appears select the Device Manager tab and double click on the National Instruments GPIB Interfaces icon d Doubl...

Page 31: ...s Run the Assign Subnet Information utility by clicking on the Assign Subnet Information button on the Network Settings tab of the Device Manager This utility has built in context sensitive online help available by clicking on the Help button When you have finished configuring the software and hardware proceed to Chapter 3 Verify the Installation ...

Page 32: ...our network and the configuration of your GPIB ENET If the POWER LED does not come on immediately or the READY LED continues to flash for more than 1 minute refer to Appendix D Troubleshooting and Common Questions Diagnostic Utility The Diagnostic utility installed with your GPIB software verifies that your hardware and software are functioning properly To run the utility select the Diagnostic ite...

Page 33: ...erface and clicking on the Details button For each failed GPIB interface select it and click on the Details button to get a description of the failure Use that information and the information in Appendix D Troubleshooting and Common Questions to troubleshoot the problem Troubleshooting information is also available in the online help for the Diagnostic utility which you can access by clicking on t...

Page 34: ...oot problems with your application To run this utility select the Win32 Interactive Control item under Start Programs National Instruments GPIB This utility includes extensive online help available by entering help at the prompt For more information about the Win32 Interactive Control utility refer to the GPIB User Manual for Win32 Introduction to the NI Spy Utility Included with the GPIB software...

Page 35: ...river look for the line device path gpib com in your config sys file where path refers to the drive and directory where gpib com is located If that line appears either delete it or comment it out and restart your computer To configure the GPIB software to run existing DOS GPIB applications first make sure that you have installed the GPIB software and your GPIB hardware Then complete the following ...

Page 36: ...b 32 dll either by linking with one of the language interfaces provided with the GPIB software or by using direct DLL entry from other programming environments Several sample GPIB applications are included with the GPIB software Use these as a guide for your own application development For information about choosing a programming method developing your application or compiling and linking refer to...

Page 37: ...steps to remove the hardware information 1 Select Start Settings Control Panel and double click on the System icon 2 In the System Properties dialog box select the Device Manager tab click on the View devices by type button and double click on the National Instruments GPIB Interfaces icon 3 Select the interface you want to remove from the National Instruments GPIB Interfaces list as shown in Figur...

Page 38: ...re Before you uninstall the GPIB software you should remove all GPIB hardware information from the Windows Device Manager as described in the previous section Complete the following steps to uninstall the GPIB software 1 Select Start Settings Control Panel and double click on the Add Remove Programs icon The dialog box shown in Figure A 2 lists the software available for removal ...

Page 39: ...VxDs DLLs and registry entries associated with the GPIB software The uninstall program removes only items that the GPIB setup program installed If you add anything to a directory that was created by the GPIB setup program the uninstall program does not delete that directory because the directory is not empty after the uninstallation You will need to remove any remaining components yourself If you ...

Page 40: ...e operation of the GPIB ENET The 8 bit DIP switch is located on the back panel of the GPIB ENET as shown in Figure B 1 The DIP switches are used to set the operation mode of the GPIB ENET The GPIB ENET is shipped to you with the DIP switches set for normal operation mode all the switches are in the OFF position Figure B 1 GPIB ENET Back Panel Switches 10BASE T AUI 8 7 6 5 4 3 2 1 ON ...

Page 41: ...and should remain OFF for normal operating mode The firmware controlling the GPIB ENET is stored in an electrically erasable memory When this switch is ON you can reprogram the firmware memory from the Ethernet network using the Firmware Update utility or you can modify the subnet information using the Assign Subnet Information utility To run one of these utilities click the button with its name o...

Page 42: ...t in nonvolatile memory If switch 6 is ON the GPIB ENET retrieves the IP address that is stored in nonvolatile memory Switch 5 selects the method by which IP addresses are configured in the GPIB ENET When switch 5 is OFF the GPIB ENET issues RARP Reverse Address Resolution Protocol requests each time it is powered on The GPIB ENET continues to issue RARP requests until a valid RARP reply is receiv...

Page 43: ...alert you of internal GPIB ENET errors For assistance in correcting this problem use this appendix to interpret and record the pattern that the READY LED flashes and then contact National Instruments Note By recording the READY LED status messages before calling National Instruments you can save yourself time and the GPIB Product Support Department can answer your questions more accurately and eff...

Page 44: ...of one to ten which represent the digits 0 through 9 For example one short flash represents the digit 0 in the ones column two short flashes represent the digit 1 in the ones column and 10 short flashes represent a 9 in the ones column Using this method the READY LED flashes the following sequence to represent status message 11 three seconds OFF two long flashes two short flashes three seconds OFF...

Page 45: ...8 Table C 1 lists some examples of the long and short flashes and the status codes they report Table C 1 Sample READY LED Signals and the Corresponding Status Code Numbers Number of Long Flashes Number of Short Flashes Corresponding Status Code Number 1 1 00 2 1 10 5 3 42 1 8 07 3 4 23 10 10 99 ...

Page 46: ...ee Appendix E Specifications for fuse specifications Verify that the Ethernet port configuration slide switch is set to the correct Ethernet port Refer to the Configure the Slide Switch section of Chapter 2 Installation and Configuration for more information Verify that the DIP switch settings are configured properly for your setup Refer to Appendix B GPIB ENET 8 Bit DIP Switch for more informatio...

Page 47: ...rs with ibcntl set to 0xE028002C You can assign a board number to a GPIB interface by configuring the GPIB software and selecting an interface name For information on how to configure the GPIB software refer to Configure the Software and Hardware in Chapter 2 Installation and Configuration EDVR Error Condition with ibcntl Set to 0xE0140025 535560155 If a call is made with a board number that is no...

Page 48: ...y present in the system or if you have not assigned logical board names to your GPIB interfaces using the Device Manager If you encounter this problem use the Device Manager to examine the installed GPIB interfaces and the logical board names assigned to each Then run the Diagnostic utility again To access this information in the Device Manager complete the following steps 1 Double click on the Sy...

Page 49: ...gured for your network Try to ping your GPIB ENET to make sure it is recognizable on the network The ping utility is a network utility that sends a packet to a device host on the network then waits for it to be echoed back which indicates an active device host Your WinSock provider probably came with a ping utility Find the directory where ping exe is installed and type in the following command pi...

Page 50: ...rers listbox You should also consult your network provider s documentation for details concerning additional configuration steps required for the chosen protocol After you have properly installed and configured WinSock support run the Diagnostic utility again GPIB Cables Need to Be Disconnected This error occurs if you have any GPIB cables connected to the GPIB interface Disconnect all GPIB cables...

Page 51: ...unication is slower than straight cable communication You might need to raise the default Timeout value using the GPIB Configuration utility Refer to Step 2 Configure the GPIB Software Characteristics in Chapter 2 Installation and Configuration for information about the GPIB Configuration utility I powered off my GPIB ENET before recording the flashing READY LED pattern What should I do Try to dup...

Page 52: ...d the troubleshooting steps fill out the forms in Appendix F Customer Communication and contact National Instruments How many GPIB interfaces can I configure for use with my GPIB software You can configure the GPIB software to communicate with up to 100 GPIB interfaces How many devices can I configure for use with my GPIB software The GPIB software provides a total of 1 024 logical devices for app...

Page 53: ...apter 3 Developing Your Application in the GPIB User Manual for Win32 Why does the uninstall program leave some components installed The uninstall program removes only items that the GPIB setup program installed If you add anything to a directory that was created by the GPIB setup program the uninstall program does not delete that directory because the directory is not empty after the uninstallati...

Page 54: ... 1 Electrical Characteristics Characteristic Specification Power Supply Unit 100 120 VAC 220 240 VAC Maximum Current Requirement 100 120 VAC 110 mA or 220 240 VAC 55 mA Fuse Rating and Type 100 120 VAC 300 mA UL CSA approved or 220 240 VAC 500 mA IEC approved Table E 2 Environmental Characteristics Characteristic Specification Operating Temperature 0 to 40 C Storage Temperature 20 to 70 C Relative...

Page 55: ...fication Overall Case Size Dimensions 8 89 by 14 35 by 4 11 cm 3 5 by 5 65 by 1 62 in Case Material All metal enclosure Weight 0 41 kg 0 9 lb Table E 4 GPIB Software Transfer Rate for the GPIB ENET Transfer Method Maximum GPIB Transfer Rate 3 wire IEEE 488 74 kbytes s Actual speed may vary considerably from speed shown because of system and instrumentation capabilities ...

Page 56: ...ystems does not answer your questions we offer fax and telephone support through our technical support centers which are staffed by applications engineers Electronic Services Bulletin Board Support National Instruments has BBS and FTP sites dedicated for 24 hour support with a collection of files and documents to answer most common customer questions From these sites you can also download the late...

Page 57: ...ct the source from which you purchased your software to obtain support Country Telephone Fax Australia 03 9879 5166 03 9879 6277 Austria 0662 45 79 90 0 0662 45 79 90 19 Belgium 02 757 00 20 02 757 03 11 Brazil 011 288 3336 011 288 8528 Canada Ontario 905 785 0085 905 785 0086 Canada Québec 514 694 8521 514 694 4399 Denmark 45 76 26 00 45 76 26 02 Finland 09 725 725 11 09 725 725 55 France 01 48 1...

Page 58: ...____ Instruments used _________________________________________________________________ _______________________________________________________________________________ National Instruments hardware product model _____________ Revision ____________________ Configuration ___________________________________________________________________ National Instruments software product ___________________ Vers...

Page 59: ..._____________________________________ GPIB Software for Windows 95 98 Version Number on Disk ______________________________ Programming Language Interface Version ______________________________________________ Diagnostic Utility Results ___________________________________________________________ Other Products Resource Summary Report from the Device Manager To create this report first display the ...

Page 60: ...____________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ ___...

Page 61: ...g current ANSI American National Standards Institute AUI attachment unit interface C Celsius CSA Canadian Standards Association DIP dual inline package DLL dynamic link library EMI electromagnetic interference FCC Federal Communications Commission Prefix Meanings Value m milli 10 3 c centi 10 2 k kilo 103 M mega 106 ...

Page 62: ... Commission IEEE Institute of Electrical and Electronic Engineers in inches IP Internet Protocol lb pounds LED light emitting diode m meters MB megabytes of memory PC personal computer RAM random access memory RARP Reverse Address Resolution Protocol s seconds TCP Transmission Control Protocol UL Underwriters Laboratories V volts VAC volts alternating current ...

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