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National Instruments GPIB-100A - page 1
© Copyright 1985, 1991 National Instruments Corporation. All Rights Reserved. GPIB-100A User Manual March 1990 Edition Part Number 320063-01 ...
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National Instruments GPIB-100A - page 2
National Instruments Corporation 6504 Bridge Point Parkway Austin, TX 78730-5039 (512) 794-0100 (800) IEEE-488 (toll-free U.S. and Canada) Technical support fax: (512) 794-5678 ...
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National Instruments GPIB-100A - page 3
Limited Warranty The GPIB-100A 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. This warranty includes parts and ...
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National Instruments GPIB-100A - page 4
FCC/DOC Radio Frequency Interference Compliance This equipment generates and uses radio frequency energy and, if not installed and used in strict accordance with the instructions in this manual, may cause interference to radio and television reception. This equipment has been tested and found to comply with (1) the limits for a Class A computing de ...
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National Instruments GPIB-100A - page 5
© 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 Bus Extender and how it is used. This section also lists all components and accessories. In addition, it provides s ...
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National Instruments GPIB-100A - page 6
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 microsecond nsec nanosecond sec second V volts V ...
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National Instruments GPIB-100A - page 7
© National Instruments Corporation v i i GPIB-100A User Manual Contents Chapter 1 Description of the GPIB-100A ....................................................................................... 1-1 Introduction................................................................................................................... ... 1-1 GPIB-100A ...
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National Instruments GPIB-100A - page 8
Contents GPIB-100A User Manual viii © National Instruments Corporation Appendix A Operation of the GPIB ....................................................................................................... A-1 History of the GPIB......................................................................................................... A-1 Types of ...
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National Instruments GPIB-100A - page 9
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 1-3. Typical GPIB-100A Extension System (Logical ...
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National Instruments GPIB-100A - page 10
© National Instruments Corporation 1- 1 GPIB-100A User Manual Chapter 1 Description of the GPIB-100A Introduction The high-speed GPIB-100A Bus Extender (Figure 1-1) is used in pairs with a special parallel data transmission cable to connect two separate GPIB or IEEE-488 bus systems in a functionally transparent manner. Figure 1-1. The Model GPIB-1 ...
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National Instruments GPIB-100A - page 11
Description of the GPIB-100A Chapter 1 GPIB-100A User Manual 1 - 2 © National Instruments Corporation extension. And because the GPIB-100A is a functionally transparent extender, the same GPIB communications and control programs that work with an unextended system will work unmodified with an extended system. There is one minor exception to this t ...
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National Instruments GPIB-100A - page 12
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 list of available GPIB-100A components and acc ...
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National Instruments GPIB-100A - page 13
Description of the GPIB-100A Chapter 1 GPIB-100A User Manual 1 - 4 © National Instruments Corporation Table 1-2. Performance Characteristics Characteristic Specification speed 250 to 135 kbytes/sec (approximately 4 µ sec per byte degraded at 10.5 nsec per meter of distance) no limitation to device speeds when there are no listeners on remote side ...
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National Instruments GPIB-100A - page 14
Chapter 1 Description of the GPIB-100A © National Instruments Corporation 1- 5 GPIB-100A User Manual Table 1-4. Electrical Characteristics Characteristic Specification GPIB interface circuit duplex transceivers with open collector drivers (MC3441A) transmission interface RS-422 drivers and receivers circuit (MC3487 and AM26LS32) connected with pat ...
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National Instruments GPIB-100A - page 15
Description of the GPIB-100A Chapter 1 GPIB-100A User Manual 1 - 6 © National Instruments Corporation Table 1-6. Physical Characteristics Characteristic Specification case style C S 2 size 3.5 x 8.5 x 13 in. (89 x 216 x 330 mm) case material UL94V-0 flame retardant polystyrene Dow 60875 F or equivalent rack mounting single or dual kits available G ...
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National Instruments GPIB-100A - page 16
© National Instruments Corporation 2- 1 GPIB-100A User Manual Chapter 2 Installation Inspection Inspect the shipping container and contents for evidence of physical damage or stress. If damage is discovered and appears to have been caused in shipment, file a claim with the carrier. If the equipment is damaged, do not attempt to operate it before c ...
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National Instruments GPIB-100A - page 17
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 a power source, this cable connects the equipment chassis to the power ground. The GPIB-100A is shipped from the factory with chassis and power ground ...
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National Instruments GPIB-100A - page 18
© National Instruments Corporation 3- 1 GPIB-100A User Manual Chapter 3 Configuration and Operation Users who are unfamiliar with the GPIB should first read Appendix A, Operation of the GPIB , to become familiar with GPIB terminology and protocol. In the following discussions, the terms local and remote refer to certain states of the two GPIB- 100 ...
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National Instruments GPIB-100A - page 19
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 only mode. Usually, there is just one Listener as well. In the TL mode, the System and Active Controller states remain inactive ...
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National Instruments GPIB-100A - page 20
Chapter 3 Configuration and Operation © National Instruments Corporation 3- 3 GPIB-100A User Manual Buffered PPR Mode (Approach 1) Most Controllers pulse the IDY signal for a period of time exceeding 2 µ sec and expect a response within that time. When used with this type of Controller, the GPIB-100A should be left in the Buffered PPR mode as set ...
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National Instruments GPIB-100A - page 21
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 the extension, the two GPIB-100A units can be set to Unbuffered and Buffered PPR modes accordingly. A. Unbuffered PPR Mode B. Buffered P ...
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National Instruments GPIB-100A - page 22
© National Instruments Corporation 4- 1 GPIB-100A User Manual Chapter 4 Theory of Operation Diagrams Figure 4-1 shows a block diagram for the GPIB-100A. Refer to Appendix B for GPIB-100A schematic diagrams and Appendix C for the GPIB-100A parts locator diagram. Figure 4-1. GPIB-100A Block Diagram Power-On When the GPIB-100A is powered on, a reset ...
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National Instruments GPIB-100A - page 23
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 Local System Controller (LSC) signals. When Interface Clear (IFC) is received from the local side via GPIB transceiver U2B, the LSC FF is set on t ...
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National Instruments GPIB-100A - page 24
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 parallel poll (U38F and U34A). Before the LS FF ...
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National Instruments GPIB-100A - page 25
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 after they propagate to the remote side, BUS PP is also unasserted. This causes FF U36D to be cleared as well, terminating the parallel poll process and removing the NRF ...
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National Instruments GPIB-100A - page 26
© National Instruments Corporation A- 1 GPIB-100A User Manual Appendix A Operation of the GPIB History of the GPIB The GPIB is a link, bus, or interface system through which interconnected electronic devices communicate. Hewlett-Packard invented the GPIB, which they call the HP-IB, to connect and control programmable instruments manufactured by th ...
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National Instruments GPIB-100A - page 27
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 a better analogy is to the switching center of a city telephone system. The switching center (Controller) monitors the communications network (GPIB). When t ...
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National Instruments GPIB-100A - page 28
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* REN* GND (TW PAIR W/DAV*) GND (TW PAIR W/NRFD*) GND (TW PAIR W/NDAC*) GND (TW PAIR ...
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National Instruments GPIB-100A - page 29
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 all devices when receiving commands and by Listeners when receiving data messages. DAV (data valid) DAV tells when the signals on the dat ...
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National Instruments GPIB-100A - page 30
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 cable with both a plug and receptacle at each end. This design allows devices to be connected in either a linear or a star c ...
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National Instruments GPIB-100A - page 31
Operation of the GPIB Appendix A GPIB-100A User Manual A - 6 © National Instruments Corporation Figure A-3. Star Configuration of GPIB Devices The standard connector is the Amphenol or Cinch Series 57 MICRORIBBON or AMP CHAMP type. An adapter cable using non-standard cable and/or connector is used for special interconnect applications. The GPIB us ...
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National Instruments GPIB-100A - page 32
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 between devices and the number of devices on the bus is limited. The following restrictions are typical: • A maximum separation of 4 ...
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National Instruments GPIB-100A - page 33
© National Instruments Corporation B- 1 GPIB-100A User Manual Appendix B Schematic Diagram This appendix contains the schematic diagram for the GPIB-100A. ...
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National Instruments GPIB-100A - page 34
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National Instruments GPIB-100A - page 35
© National Instruments Corporation C-1 GPIB-100A User Manual Appendix C GPIB-100A Parts Locator Diagram This appendix contains the parts locator diagram for the GPIB-100A. The parts locator diagram shows the locations of the GPIB-100A configuration jumpers and switches. Figure C-1. GPIB-100A Parts Locator Diagram ...
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National Instruments GPIB-100A - page 36
© National Instruments Corporation D - 1 GPIB-100A User Manual Appendix D Cable Assembly Wire List This appendix contains the wire list for the GPIB-100A Transmission Cable. ...
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National Instruments GPIB-100A - page 37
Table D-1. Cable Assembly Wire List ...
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National Instruments GPIB-100A - page 38
© National Instruments Corporation E- 1 GPIB-100A User Manual Appendix E Multiline Interface Command Messages The following tables are multiline interface messages (sent and received with ATN TRUE). ...
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National Instruments GPIB-100A - page 39
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 M s g H e x Oct D e c ASCII M s g 00 0 00 0 NUL 20 0 40 32 S P MLA0 01 00 1 1 SO H G T L 21 04 1 33 ! MLA1 02 0 02 2 STX 22 0 42 34 " MLA2 03 00 3 3 ET X 23 04 3 35 # MLA3 04 00 4 4 ...
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National Instruments GPIB-100A - page 40
Appendix E Multiline Interface Command Messages © National Instruments Corporation E- 3 GPIB-100A User Manual Multiline Interface Messages H e x Oct D e c ASCII M s g H e x Oct D e c ASCII M s g 40 10 0 64 @ MTA0 6 0 140 96 ` MSA0,PPE 41 10 1 65 A MTA1 61 1 41 97 a MSA1,PPE 42 10 2 66 B MTA2 62 142 98 b MSA2,PPE 43 10 3 67 C MTA3 63 143 99 c MSA3, ...
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National Instruments GPIB-100A - page 41
© National Instruments Corporation F- 1 GPIB-100A User Manual Appendix F Mnemonics Key This appendix contains a mnemonics key that defines the mnemonics (abbreviations) used throughout this manual. Mnemonic Definition ASCII American Standard Code for Information Interchange A T N Attention C Controller CIC Controller-In-Charge Bit D A V Data Valid ...
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National Instruments GPIB-100A - page 42
Mnemonics Key Appendix F GPIB-100A User Manual F- 2 © National Instruments Corporation Mnemonic Definition R E N Remote Enable R F D Ready for Data RR Remote Response R S Remote Source RS C Remote System Controller S R Q Service Request T Talker T L Talker/Listener TL C Talker/Listener/Controller (GPIB Adapter) T T L Transistor/Transistor Logic ...
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National Instruments GPIB-100A - page 43
User 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: GPIB-100A User Manual Edition Date March 1990 Part Number: 320063-01 Please comment on the completeness, clarity, and organization of the manual. If you find ...
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