Quantum-composers 9500 Plus Series Manual de usuario descargar pdf (Pagina 44)

SCPI Specific and Implied Channel

Some commands, such as PULSe, allow specifying a channel with an optional

numeric keyword suffix. The suffix will be shown in square brackets [ 1 / 2 ]. The

brackets are not part of command and are not to be sent to the pulse generator.

The numeric parameters correspond to the following channels: 0 = To, 1 = ChA,

2 = ChB, etc. Only one channel may be specified at a time.

If you do not specify the channel number, the implied channel is specified by the

:INSTrument:SELect command or the last referenced channel. After power-up or

reset (*RST), the instrument default is channel #1.

SCPI Parameter Types

The following parameter types are used:

<numeric value> Accepts all commonly used decimal representation of

numbers including optional signs, decimal points and

scientific notation:

123, 123e2, -123, -1.23e2, .123, 1.23e-2, 1.2300E-01

<boolean value> Represents a single binary condition that is either true

or false. True is represented by a 1 or ON; false is rep-

resented by a 0 or OFF. Queries return 1 or 0.

<identifier> Selects from a finite number of predefined strings.

Error Codes

The unit responds to all commands with either:

ok <cr><lf> or ?n <cr><lf>

Where "n" is one of the following error codes:

1: Incorrect prefix, i.e. no colon or * to start command.

2: Missing command keyword.

3: Invalid command keyword.

4: Missing parameter.

5: Invalid parameter.

6: Query only, command needs a question mark.

7: Invalid query, command does not have a query form.

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Quantum-composers 9500 Plus Series Manual de usuario Pagina 44