Remote Control Basics > Remote Control Interfaces and Protocols > GPIB Interface (IEC/IEEE Bus Interface)
GPIB Interface (IEC/IEEE Bus Interface)

To be able to control the instrument via the GPIB bus, the instrument and the controller must be linked by a GPIB bus cable. A GPIB bus card, the card drivers and the program libraries for the programming language used must be provided in the controller. The controller must address the instrument with the GPIB bus address (see "GPIB Instrument Address").

Characteristics

The GPIB interface is described by the following characteristics:

  • Up to 15 instruments can be connected
  • The total cable length is restricted to a maximum of 15 m; the cable length between two instruments should not exceed 2m.
  • A wired "OR"-connection is used if several instruments are connected in parallel, since the slowest instrument determines the speed.

Any connected IEC bus cable must be terminated by an instrument or controller.

 


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