National Instruments GPIB-SCSI-A Getting Started

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Getting Started with
Your GPIB-SCSI-A
and the NI-488.2
Software for MacOS
GPIB-SCSI-A for MacOS
July 1997 Edition
Part Number 320468C-01
© Copyright 1992, 1997 National Instruments Corporation. All rights reserved.

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Summary of Contents for National Instruments GPIB-SCSI-A

  • Page 1 Getting Started with Your GPIB-SCSI-A ™ and the NI-488.2 Software for MacOS GPIB-SCSI-A for MacOS July 1997 Edition Part Number 320468C-01 © Copyright 1992, 1997 National Instruments Corporation. All rights reserved.
  • Page 2 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 056 200 51 51, Taiwan 02 377 1200, United Kingdom 01635 523545 National Instruments Corporate Headquarters 6504 Bridge Point Parkway Austin, TX 78730-5039 Tel: (512) 794-0100...
  • Page 3 Important Information Warranty The GPIB-SCSI-A is warranted against defects in materials and workmanship for a period of two years from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment that proves to be defective during the warranty period.
  • Page 4 This device complies with the FCC rules only if used with shielded interface cables of suitable quality and construction. National Instruments used such cables to test this device and provides them for sale to the user. The use of inferior or nonshielded interface cables could void the user’s authority to operate the equipment under the...
  • Page 5: Table Of Contents

    Connect the Hardware ....................2-1 Step 1. Shut Down Your System..............2-2 Step 2. Connect the Cables................2-2 Step 3. Switch On Your GPIB-SCSI-A............2-3 Step 4. Power On Your System..............2-3 Install the Software ....................... 2-3 NI-488.2 Software Components..............2-3 Step 1.
  • Page 6 SW2 Default Mode Switch Settings............3-5 Figure 3-4. Terminating Resistors for GPIB-SCSI-A at End of SCSI Bus ..... 3-6 Figure 3-5. Terminating Resistors for GPIB-SCSI-A Not at End of SCSI Bus ..3-7 GPIB-SCSI-A for MacOS © National Instruments Corporation...
  • Page 7 Configuration Parameters for Switches 4 through 8......3-3 Table 3-3. Factory Default Configurations for SW2..........3-5 Table A-1. Electrical Characteristics ............... A-1 Table A-2. Environmental Characteristics ............... A-1 Table A-3. Physical Characteristics ................. A-2 © National Instruments Corporation GPIB-SCSI-A for MacOS...
  • Page 8: About This Manual

    This Manual This manual contains instructions for installing and configuring the National Instruments GPIB-SCSI-A SCSI-to-GPIB Controller and NI-488.2 software for MacOS. This manual is meant to be used with the NI-488.2 User Manual for MacOS and the NI-488.2 Function Reference Manual for MacOS.
  • Page 9: Organization Of This Manual

    Installation and Configuration, and Chapter 3, Hardware Configuration. • Appendix C, Customer Communication, contains forms you can use to request help form National Instruments or to comment on our products and manuals. • The Glossary contains an alphabetical list and description of terms used in this manual including abbreviations, acronyms, metric prefixes, mnemonics, and symbols.
  • Page 10: Conventions Used In This Manual

    The Glossary lists abbreviations, acronyms, metric prefixes, mnemonics, symbols, and terms. Related Documentation The following documents contain information that you may find helpful as you read this manual: • ANSI X3.131-1986, Small Computer Systems Interface (SCSI) © National Instruments Corporation GPIB-SCSI-A for MacOS...
  • Page 11: Customer Communication

    Protocols, and Common Commands Customer Communication National Instruments wants to receive your comments on our products and manuals. We are interested in the applications you develop with our products, and we want to help if you have problems with them. To make it easy for you to contact us, this manual contains comment and configuration forms for you to complete.
  • Page 12: Introduction

    You can order the following optional equipment from National Instruments. • Double-Shielded SCSI Cables: – Type SCSI-M GPIB-SCSI-A (50-pin Champ) to Macintosh Powerbook port — 0.5 m – Type SCSI-A GPIB-SCSI-A (50-pin Champ) to Macintosh (25-pin D-Sub) — 1 m –...
  • Page 13: Hardware Description

    SCSI port into a GPIB Talker/Listener/Controller or make any device on the SCSI bus look like a GPIB device. The GPIB-SCSI-A has all the software and logic required to implement the physical and electrical characteristics of the ANSI/IEEE Standard 488.1-1987 and the ANSI Standard X3T9.2.
  • Page 14: Optional Programming Tools

    Introduction Optional Programming Tools Your kit includes the NI-488.2 software for MacOS. In addition, you can order the LabVIEW software from National Instruments. LabVIEW includes instrument driver libraries that make it easier to communicate with your GPIB instruments. LabVIEW is a complete programming environment that departs from the sequential nature of traditional programming languages and features a graphical programming environment.
  • Page 15: Installation And Configuration

    SCSI devices to a host so that a single port on the host can serve a variable number of devices. If you are installing the GPIB-SCSI-A in the middle of a daisy-chain, you need to remove the terminating resistor pack. Refer to the Using SCSI Terminating Resistors section in Chapter 3, Hardware Configuration, for additional instructions for daisy-chaining SCSI devices.
  • Page 16: Step 1. Shut Down Your System

    Installation and Configuration Caution: Operating the GPIB-SCSI-A at any voltage other than the one specified on the rear panel label could damage the unit. Replacement fuses must be the proper type and rating. See Appendix A, Hardware Specifications, for fuse information.
  • Page 17: Step 3. Switch On Your Gpib-Scsi-A

    Installation and Configuration Step 3. Switch On Your GPIB-SCSI-A Switch on your GPIB-SCSI-A by using the rocker switch on the rear panel. The POWER LED indicator should come on immediately and the READY LED indicator on the front panel should come on after the GPIB-SCSI-A has passed its power-on self-test, indicating that the unit is ready for operation.
  • Page 18: Step 1. Install The Ni-488.2 Files And Folders

    IBDIAG PCMCIA diagnostic utilities. • folder contains utilities that are applicable only if Ethernet you have a National Instruments GPIB-ENET. • file contains the latest updates and corrections to the Read Me manual when appropriate. Install the NI-488.2 software by completing the following steps.
  • Page 19: Figure 2-1. Installer Window

    Figure 2-2. The installer places the file in the folder and the NI-488 Config Control Panels files in the folder. NI-488 INIT NI-DMA/DSP Extensions Figure 2-2. File and Folder Organization after Installation © National Instruments Corporation GPIB-SCSI-A for MacOS...
  • Page 20: Step 2. Examine Or Change The Software Settings

    SCSI box products as shown in Figure 2-3. Checking the Auto Configure box causes a scan over the SCSI bus to locate any GPIB-SCSI-A. An X appears in each SCSI ID box that corresponds to a GPIB-SCSI-A. If no boxes are checked, you might need to change a hardware setting.
  • Page 21: Step 3. Restart Your Macintosh

    Macintosh. The NI-488.2 software displays the National Instruments icon momentarily in the lower left corner of the screen to indicate that the driver is being installed. If the National Instruments icon does not appear on your screen, repeat the installation procedure before continuing to the next section, Verify the Software Installation.
  • Page 22: Hardware Configuration

    Configuring the Switch Settings The GPIB-SCSI-A is shipped from the factory configured to operate in S (SCSI) mode. The SCSI ID to which the GPIB-SCSI-A responds is set at 5, and the primary GPIB address is set at 0. Additionally, the GPIB-SCSI-A is shipped from the factory with a SCSI terminator installed.
  • Page 23: Configuration Switch Settings For Sw1

    GPIB address and SCSI ID of the GPIB-SCSI-A. The DIP switch has eight configuration switches. Figure 3-2 shows the factory default setting of the GPIB-SCSI-A for switch SW1. Switches 1 through 3 are ON, OFF, and ON, respectively, selecting the SCSI ID of 5.
  • Page 24 GPIB Primary Address 11 GPIB Primary Address 12 GPIB Primary Address 13 GPIB Primary Address 14 GPIB Primary Address 15 GPIB Primary Address 16 GPIB Primary Address 17 GPIB Primary Address 18 GPIB Primary Address 19 © National Instruments Corporation GPIB-SCSI-A for MacOS...
  • Page 25: Configuration Switch Settings For Sw2

    The DIP switch at location SW2 on the rear panel (see Figure 3-1) is used to configure the mode of operation for the GPIB-SCSI-A. The GPIB-SCSI-A is configured at the factory to operate in SCSI (S) mode. In S mode, the SCSI port is the controlling interface. You do not need to change these switch settings for use with the Macintosh computer.
  • Page 26: Figure 3-3. Sw2 Default Mode Switch Settings

    Double buffering is enabled. Reserved and should remain OFF. Switch 8 is OFF, indicating that the GPIB-SCSI-A is operating in S mode. Switch 7 is ON, indicating that the GPIB-SCSI-A neither notices nor reports SCSI parity errors. Switch 6 is ON, indicating that the GPIB-SCSI-A buffers data during data transfer commands.
  • Page 27: Using Scsi Terminating Resistors

    If your GPIB-SCSI-A is located at the end of a SCSI bus, you can prevent echoes by leaving the terminating resistor pack installed on one of the ports on the rear panel of the GPIB-SCSI-A. Also ensure that the device at the other end of the SCSI bus (for example, the SCSI host in Figure 3-4) has a terminating resistor installed.
  • Page 28: Figure 3-5. Terminating Resistors For Gpib-Scsi-A Not At End Of Scsi Bus

    GPIB-SCSI-A in Figure 3-5) do not have terminating resistors installed. The devices at each end of the SCSI bus should have terminating resistors installed. Figure 3-5 shows the GPIB-SCSI-A at a location other than the end of a SCSI system. Terminating...
  • Page 29: Appendix A Hardware Specifications

    Appendix Hardware Specifications This appendix specifies the electrical, environmental, and physical characteristics of the GPIB-SCSI-A. Table A-1. Electrical Characteristics Characteristic Specification Power Supply 100 to 120 VAC ±10%, 50 to 60 Hz or Unit 220 to 240 VAC ±10%, 50 to 60 Hz...
  • Page 30: Table A-3. Physical Characteristics

    109.2 mm by 74.5 mm by 250.9 mm (Dimensions) (7.489 in. by 2.934 in. by 9.88 in.) Case Material All metal enclosure Rack Mounting Single or dual kits available Weight 1.81 kg (4 lb) GPIB-SCSI-A for MacOS © National Instruments Corporation...
  • Page 31: Appendix B Troubleshooting

    The SCSI cable must be securely connected to the GPIB-SCSI-A. • If the GPIB-SCSI-A is the last device on the SCSI bus, make sure that you have placed the terminating resistor pack on one of the SCSI ports on the rear panel of the GPIB-SCSI-A to terminate the SCSI bus.
  • Page 32: Troubleshooting Software Problems

    , an X should appear in the ID checkbox that NI-488 Config corresponds to the SCSI ID of your GPIB-SCSI-A. If an X does not appear in that box, make sure that all SCSI devices daisy-chained to the SCSI cable are connected properly.
  • Page 33 NI-488.2 User Manual for MacOS. What information should I have before I call National Instruments? When you call National Instruments, you should have the results of the hardware and software verification tests. In addition, make sure you have filled out the configuration form in Appendix C, Customer Communication.
  • Page 34: Appendix C Customer Communication

    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 latest instrument drivers, updates, and example programs. For recorded instructions on how to use the bulletin board and FTP services and for BBS automated information, call (512) 795-6990.
  • Page 35 Telephone and Fax Support National Instruments has branch offices all over the world. Use the list below to find the technical support number for your country. If there is no National Instruments office in your country, contact the source from which you purchased your software to obtain support.
  • Page 36 National Instruments for technical support helps our applications engineers answer your questions more efficiently. If you are using any National Instruments hardware or software products related to this problem, include the configuration forms from their user manuals. Include additional pages if necessary.
  • Page 37 Complete a new copy of this form each time you revise your software or hardware configuration, and use this form as a reference for your current configuration. Completing this form accurately before contacting National Instruments for technical support helps our applications engineers answer your questions more efficiently.
  • Page 38 Documentation Comment Form National Instruments encourages you to comment on the documentation supplied with our products. This information helps us provide quality products to meet your needs. Title: ™ Getting Started with Your GPIB-SCSI-A and the NI-488.2 Software for MacOS...
  • Page 39: Glossary

    Federal Communications Commission grams GPIB General Purpose Interface Bus hertz International Electrotechnical Commission IEEE Institute for Electrical and Electronic Engineers inches pounds light-emitting diode meters megabytes of memory © National Instruments Corporation GPIB-SCSI-A for MacOS...
  • Page 40 Glossary random-access memory SCSI Small Computer Systems Interface Underwriters Laboratories volts volts alternating current volts direct current GPIB-SCSI-A for MacOS © National Instruments Corporation...

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