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Agilent B2900 SCPI Command Reference, Edition 2 1- 11

Programming Basics

SCPI Conventions and Data Formats

<NRf+> Expanded decimal format that includes <NRf>, MIN, and

MAX. Examples: 273, 27.3, 2.73E+02, MAX.

MIN and MAX are the minimum and maximum limit values

that are implicit in the range specification for the parameter.

<NDN> Non-decimal numeric value. May also be represented in binary

preceded by “#B”, octal preceded by “#Q”, or hexadecimal

preceded by “#H”. Examples: 29 (decimal), #B11101 (binary),

#Q35 (octal), #H1D (hexadecimal)

<Bool> Boolean data. Can be numeric (0, 1), or named (OFF, ON).

<SPD> String program data. Programs string parameters enclosed in

single or double quotes.

<CPD> Character program data. Programs discrete parameters.

Accepts both short form and long form.

<SRD> String response data. Returns string parameters enclosed in

single or double quotes.

<CRD> Character response data. Returns discrete parameters. Only the

short form of the parameter is returned.

<AARD> Arbitrary ASCII response data. Permits the return of

un-delimited 7-bit ASCII. This data type has an implied

message terminator.

<Block> Arbitrary block response data. Permits the return of definite

length and indefinite length arbitrary response data. This data

type has an implied message terminator.

<Expr> Channel list, group list, or math expression.

Channel list: Parenthetical data beginning with “@”

Group list: Parenthetical data beginning with “@”

Math expression: Parenthetical math expression (see

:CALCulate:MATH[:EXPRession][:DEFine] command)

Convention Description

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Agilent Technologies B2902 Manuale di Servizio Pagina 27