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GPIB General Purpose Interface Bus

GPIB General Purpose Interface Bus. Raymond Giron , Adam Bahr, George Asbeck. History. Originally developed by HP in the 1960’s Wanted an easier way to interface the instruments and controllers Other companies started using it and named it the General Purpose Interface Bus

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GPIB General Purpose Interface Bus

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  1. GPIBGeneral Purpose Interface Bus Raymond Giron, Adam Bahr, George Asbeck

  2. History • Originally developed by HP in the 1960’s • Wanted an easier way to interface the instruments and controllers • Other companies started using it and named it the General Purpose Interface Bus • The device was standardized in 1975 by the IEEE and again in 1978 and 1987 • IEEE 448.1 is the standard for the connector, while IEEE 488.2 is the control command standard

  3. Characteristics • Total of 24 pins on the device • 8 pins for data, 8 for ground, 5 for bus management and 3 “handshake” pins • Connected devices can be talkers, listeners, or controllers • Wires are “double-headed” with a male connector on one side and female on the other

  4. Advantages • Rugged connector that is screwed in place • Well established and supported by many devices • Fast and slow devices can be used in the same system

  5. Up to 15 connectors can be stacked together

  6. Disadvantages • Connector is large and bulky • Cable and connector are more expensive to make than others such as USB • Maximum transfer rate is around 8 Mbits/s • USB 3.0 can transfer at 5 Gbits/s • Not a standard connector on modern PCs

  7. Sources • http://www.hit.bme.hu/~papay/edu/GPIB/tutor.htm • http://en.wikipedia.org/wiki/IEEE-488 • http://digital.natinst.com/public.nsf/$CXIV/ATTACH-AEEE-7E8RYX/$FILE/GPIB.JPG • http://en.wikipedia.org/wiki/File:IEEE-488-Stecker2.jpg • http://www.ee.ucla.edu/~ftwang/ee202/Week7/gpib.jpg

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