Page 4 - FCC/DOC Radio Frequency Interference Compliance
FCC/DOC Radio Frequency Interference Compliance This equipment generates and uses radio frequency energy and, if not installed and used in strictaccordance with the instructions in this manual, may cause interference to radio and televisionreception. This equipment has been tested and found to compl...
Page 5 - Preface; Organization of the Manual; Related Document
© National Instruments Corporation v GPIB-100A User Manual Preface Organization of the Manual This manual is divided into the following chapters: Chapter 1, Description of the GPIB-100A, contains a brief description of the GPIB-100A BusExtender and how it is used. This section also lists all compone...
Page 6 - Abbreviations Used in the Manual
Preface GPIB-100A User Manual v i © National Instruments Corporation Abbreviations Used in the Manual The following abbreviations are used in the text of this manual. C centigrade F Fahrenheit Hz hertz in. inch kbytes thousand bytes m meter m A milliamperes Mbytes million bytes m m millimeter µ sec ...
Page 7 - Contents
© National Instruments Corporation v i i GPIB-100A User Manual Contents Chapter 1Description of the GPIB-100A ....................................................................................... 1-1 Introduction.........................................................................................
Page 9 - Figures
Contents © National Instruments Corporation ix GPIB-100A User Manual Figures Figure 1-1. The Model GPIB-100A Bus Extender .................................................................. 1-1 Figure 1-2. Typical GPIB-100A Extension System (Physical Configuration) ........................ 1-2 Figure...
Page 10 - Introduction
© National Instruments Corporation 1-1 GPIB-100A User Manual Chapter 1Description of the GPIB-100A Introduction The high-speed GPIB-100A Bus Extender (Figure 1-1) is used in pairs with a special parallel datatransmission cable to connect two separate GPIB or IEEE-488 bus systems in a functionallytra...
Page 12 - GPIB-100A Specifications
Chapter 1 Description of the GPIB-100A © National Instruments Corporation 1-3 GPIB-100A User Manual GPIB-100A Specifications The following tables show the system configuration; the performance, operating, electrical,environmental, and physical characteristics of the GPIB-100A, as well as providing a...
Page 16 - Inspection
© National Instruments Corporation 2-1 GPIB-100A User Manual Chapter 2Installation Inspection Inspect the shipping container and contents for evidence of physical damage or stress. If damageis discovered and appears to have been caused in shipment, file a claim with the carrier. If theequipment is d...
Page 17 - Grounding Configuration; Disassembly; Mounting
Installation Chapter 2 GPIB-100A User Manual 2-2 © National Instruments Corporation Grounding Configuration A U.S. standard three-wire power cable is provided with the GPIB-100A. When connected to apower source, this cable connects the equipment chassis to the power ground. The GPIB-100A is shipped ...
Page 18 - Operating Modes
© National Instruments Corporation 3-1 GPIB-100A User Manual Chapter 3Configuration and Operation Users who are unfamiliar with the GPIB should first read Appendix A, Operation of the GPIB, tobecome familiar with GPIB terminology and protocol. In the following discussions, the terms local and remote...
Page 19 - Setting the Operating Mode
Configuration and Operation Chapter 3 GPIB-100A User Manual 3-2 © National Instruments Corporation Talker/Listener (TL) Mode There is no Controller and only one Talker in the TL mode of operation, sometimes called talk onlymode. Usually, there is just one Listener as well. In the TL mode, the System...
Page 21 - Mixed Mode Operation; Operating the GPIB-100A System
Configuration and Operation Chapter 3 GPIB-100A User Manual 3-4 © National Instruments Corporation Mixed Mode Operation If there are multiple Controllers and all of the same type are located on the same side of theextension, the two GPIB-100A units can be set to Unbuffered and Buffered PPR modesacco...
Page 22 - Diagrams
© National Instruments Corporation 4-1 GPIB-100A User Manual Chapter 4Theory of Operation Diagrams Figure 4-1 shows a block diagram for the GPIB-100A. Refer to Appendix B for GPIB-100Aschematic diagrams and Appendix C for the GPIB-100A parts locator diagram. Figure 4-1. GPIB-100A Block Diagram Power...
Page 23 - System Controller Detection
Theory of Operation Chapter 4 GPIB-100A User Manual 4-2 © National Instruments Corporation System Controller Detection PON initializes FFs U22A and U12A to clear the Remote System Controller (RSC) and LocalSystem Controller (LSC) signals. When Interface Clear (IFC) is received from the local side vi...
Page 24 - Parallel Polling
Chapter 4 Theory of Operation © National Instruments Corporation 4-3 GPIB-100A User Manual • Whenever a change in the state of the local ATN signal is caused by a pulse created via U38E,U24B/C, and associated RC network. • While ATN or DAV is received from the local side (U34A/D). • During a paralle...
Page 25 - Data Direction Control; EOI
Theory of Operation Chapter 4 GPIB-100A User Manual 4-4 © National Instruments Corporation the remote poll response into register U16. Clearing U45B unasserts XEOI and XATN, and afterthey propagate to the remote side, BUS PP is also unasserted. This causes FF U36D to be clearedas well, terminating t...
Page 26 - History of the GPIB
© National Instruments Corporation A-1 GPIB-100A User Manual Appendix AOperation of the GPIB History of the GPIB The GPIB is a link, bus, or interface system through which interconnected electronic devicescommunicate. Hewlett-Packard invented the GPIB, which they call the HP-IB, to connect andcontro...
Page 27 - System Controller and Active Controller
Operation of the GPIB Appendix A GPIB-100A User Manual A-2 © National Instruments Corporation The role of the GPIB Controller can also be compared to the role of the computer's CPU, but abetter analogy is to the switching center of a city telephone system. The switching center (Controller) monitors ...
Page 28 - Data Lines; Handshake Lines
Appendix A Operation of the GPIB © National Instruments Corporation A-3 GPIB-100A User Manual Figure A-1 shows the arrangement of these signals on the GPIB cable connector. DIO1*DIO2*DIO3*DIO4* EOI* DAV* NRFD* NDAC* IFC* SRQ*ATN* SHIELD DIO5*DIO6*DIO7*DIO8*R E N *GND (TW PAIR W/DAV*)GND (TW PAIR W/N...
Page 29 - Interface Management Lines
Operation of the GPIB Appendix A GPIB-100A User Manual A-4 © National Instruments Corporation NDAC (not data accepted) NDAC indicates when a device has or has not accepted a message byte. The line is driven by alldevices when receiving commands and by Listeners when receiving data messages. DAV (dat...
Page 30 - Physical and Electrical Characteristics
Appendix A Operation of the GPIB © National Instruments Corporation A-5 GPIB-100A User Manual Physical and Electrical Characteristics Devices are usually connected with a cable assembly consisting of a shielded 24-conductor cablewith both a plug and receptacle at each end. This design allows devices...
Page 32 - Configuration Restrictions
Appendix A Operation of the GPIB © National Instruments Corporation A-7 GPIB-100A User Manual Configuration Restrictions To achieve the high data transfer rate that the GPIB is designed for, the physical distance betweendevices and the number of devices on the bus is limited. The following restricti...
Page 39 - Multiline Interface Messages
Multiline Interface Command Messages Appendix E GPIB-100A User Manual E-2 © National Instruments Corporation Multiline Interface Messages H e x Oct D e c ASCII Msg H e x Oct D e c ASCII Msg 00 000 0 NUL 20 040 32 S P MLA0 01 001 1 SOH GTL 21 041 33 ! MLA1 02 002 2 STX 22 042 34 " MLA2 03 003 3 E...
Page 43 - User Comment Form
User Comment Form National Instruments encourages you to comment on the documentation supplied with ourproducts. This information helps us provide quality products to meet your needs. Title: GPIB-100A User Manual Edition Date March 1990 Part Number: 320063-01 Please comment on the completeness, clar...
