Agilent Technologies HP 54601B Especificações descarregar pdf (Página 60)

Infinity Representation

The representation of infinity is 9.9E+37. This is also the value returned

when a measurement cannot be made.

Sequential and Overlapped Commands

IEEE 488.2 distinguishes between sequential and overlapped commands.

Sequential commands finish their task before the execution of the next

command starts. Overlapped commands run concurrently. Commands

following an overlapped command may be started before the overlapped

command is completed. All of the commands are sequential.

Response Generation

As defined by IEEE 488.2, query responses may be buffered for the following

conditions:

When the query is parsed by the instrument.

When the controller addresses the instrument to talk so that it may read

the response.

The responses to a query are buffered when the query is parsed.

Programming and Documentation Conventions

Infinity Representation

5–11

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Agilent Technologies HP 54601B Especificações Página 60